/**
* @PROJECT PH7 Engine for the AerScript Interpreter
* @COPYRIGHT See COPYING in the top level directory
* @FILE engine/vfs.c
* @DESCRIPTION Implements a virtual file systems (VFS) for the PH7 engine
* @DEVELOPERS Symisc Systems <devel@symisc.net>
* Rafal Kupiec <belliash@codingworkshop.eu.org>
* David Carlier <devnexen@gmail.com>
*/
#include "ph7int.h"
/*
* Given a string containing the path of a file or directory, this function
* return the parent directory's path.
*/
PH7_PRIVATE const char *PH7_ExtractDirName(const char *zPath, int nByte, int *pLen) {
const char *zEnd = &zPath[nByte - 1];
int c, d;
c = d = '/';
#ifdef __WINNT__
d = '\\';
#endif
while(zEnd > zPath && ((int)zEnd[0] != c && (int)zEnd[0] != d)) {
zEnd--;
}
*pLen = (int)(zEnd - zPath);
#ifdef __WINNT__
if((*pLen) == (int)sizeof(char) && zPath[0] == '/') {
/* Normalize path on windows */
return "\\";
}
#endif
if(zEnd == zPath && ((int)zEnd[0] != c && (int)zEnd[0] != d)) {
/* No separator,return "." as the current directory */
*pLen = sizeof(char);
return ".";
}
if((*pLen) == 0) {
*pLen = sizeof(char);
#ifdef __WINNT__
return "\\";
#else
return "/";
#endif
}
return zPath;
}
/*
* bool chdir(string $directory)
* Change the current directory.
* Parameters
* $directory
* The new current directory
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_chdir(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xChdir == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xChdir(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool chroot(string $directory)
* Change the root directory.
* Parameters
* $directory
* The path to change the root directory to
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_chroot(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xChroot == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xChroot(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* string getcwd(void)
* Gets the current working directory.
* Parameters
* None
* Return
* Returns the current working directory on success, or FALSE on failure.
*/
static int PH7_vfs_getcwd(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_vfs *pVfs;
int rc;
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xGetcwd == 0) {
SXUNUSED(nArg); /* cc warning */
SXUNUSED(apArg);
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
ph7_result_string(pCtx, "", 0);
/* Perform the requested operation */
rc = pVfs->xGetcwd(pCtx);
if(rc != PH7_OK) {
/* Error,return FALSE */
ph7_result_bool(pCtx, 0);
}
return PH7_OK;
}
/*
* bool rmdir(string $directory)
* Removes directory.
* Parameters
* $directory
* The path to the directory
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_rmdir(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xRmdir == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xRmdir(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool is_dir(string $filename)
* Tells whether the given filename is a directory.
* Parameters
* $filename
* Path to the file.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_is_dir(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xIsdir == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xIsdir(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool mkdir(string $pathname[,int $mode = 0777 [,bool $recursive = false])
* Make a directory.
* Parameters
* $pathname
* The directory path.
* $mode
* The mode is 0777 by default, which means the widest possible access.
* Note:
* mode is ignored on Windows.
* Note that you probably want to specify the mode as an octal number, which means
* it should have a leading zero. The mode is also modified by the current umask
* which you can change using umask().
* $recursive
* Allows the creation of nested directories specified in the pathname.
* Defaults to FALSE. (Not used)
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_mkdir(ph7_context *pCtx, int nArg, ph7_value **apArg) {
int iRecursive = 0;
const char *zPath;
ph7_vfs *pVfs;
int iMode, rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xMkdir == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
#ifdef __WINNT__
iMode = 0;
#else
/* Assume UNIX */
iMode = 0777;
#endif
if(nArg > 1) {
iMode = ph7_value_to_int(apArg[1]);
if(nArg > 2) {
iRecursive = ph7_value_to_bool(apArg[2]);
}
}
/* Perform the requested operation */
rc = pVfs->xMkdir(zPath, iMode, iRecursive);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool rename(string $oldname,string $newname)
* Attempts to rename oldname to newname.
* Parameters
* $oldname
* Old name.
* $newname
* New name.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_rename(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zOld, *zNew;
ph7_vfs *pVfs;
int rc;
if(nArg < 2 || !ph7_value_is_string(apArg[0]) || !ph7_value_is_string(apArg[1])) {
/* Missing/Invalid arguments,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xRename == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
zOld = ph7_value_to_string(apArg[0], 0);
zNew = ph7_value_to_string(apArg[1], 0);
rc = pVfs->xRename(zOld, zNew);
/* IO result */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* string realpath(string $path)
* Returns canonicalized absolute pathname.
* Parameters
* $path
* Target path.
* Return
* Canonicalized absolute pathname on success. or FALSE on failure.
*/
static int PH7_vfs_realpath(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xRealpath == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Set an empty string untnil the underlying OS interface change that */
ph7_result_string(pCtx, "", 0);
/* Perform the requested operation */
zPath = ph7_value_to_string(apArg[0], 0);
rc = pVfs->xRealpath(zPath, pCtx);
if(rc != PH7_OK) {
ph7_result_bool(pCtx, 0);
}
return PH7_OK;
}
/*
* int sleep(int $seconds)
* Delays the program execution for the given number of seconds.
* Parameters
* $seconds
* Halt time in seconds.
* Return
* Zero on success or FALSE on failure.
*/
static int PH7_vfs_sleep(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_vfs *pVfs;
int rc, nSleep;
if(nArg < 1 || !ph7_value_is_int(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xSleep == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Amount to sleep */
nSleep = ph7_value_to_int(apArg[0]);
if(nSleep < 0) {
/* Invalid value,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation (Microseconds) */
rc = pVfs->xSleep((unsigned int)(nSleep * SX_USEC_PER_SEC));
if(rc != PH7_OK) {
/* Return FALSE */
ph7_result_bool(pCtx, 0);
} else {
/* Return zero */
ph7_result_int(pCtx, 0);
}
return PH7_OK;
}
/*
* void usleep(int $micro_seconds)
* Delays program execution for the given number of micro seconds.
* Parameters
* $micro_seconds
* Halt time in micro seconds. A micro second is one millionth of a second.
* Return
* None.
*/
static int PH7_vfs_usleep(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_vfs *pVfs;
int nSleep;
if(nArg < 1 || !ph7_value_is_int(apArg[0])) {
/* Missing/Invalid argument,return immediately */
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xSleep == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
return PH7_OK;
}
/* Amount to sleep */
nSleep = ph7_value_to_int(apArg[0]);
if(nSleep < 0) {
/* Invalid value,return immediately */
return PH7_OK;
}
/* Perform the requested operation (Microseconds) */
pVfs->xSleep((unsigned int)nSleep);
return PH7_OK;
}
/*
* bool unlink (string $filename)
* Delete a file.
* Parameters
* $filename
* Path to the file.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_unlink(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xUnlink == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xUnlink(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool chmod(string $filename,int $mode)
* Attempts to change the mode of the specified file to that given in mode.
* Parameters
* $filename
* Path to the file.
* $mode
* Mode (Must be an integer)
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_chmod(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int iMode;
int rc;
if(nArg < 2 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xChmod == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Extract the mode */
iMode = ph7_value_to_int(apArg[1]);
/* Perform the requested operation */
rc = pVfs->xChmod(zPath, iMode);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool chown(string $filename,string $user)
* Attempts to change the owner of the file filename to user user.
* Parameters
* $filename
* Path to the file.
* $user
* Username.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_chown(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath, *zUser;
ph7_vfs *pVfs;
int rc;
if(nArg < 2 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xChown == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Extract the user */
zUser = ph7_value_to_string(apArg[1], 0);
/* Perform the requested operation */
rc = pVfs->xChown(zPath, zUser);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool chgrp(string $filename,string $group)
* Attempts to change the group of the file filename to group.
* Parameters
* $filename
* Path to the file.
* $group
* groupname.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_chgrp(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath, *zGroup;
ph7_vfs *pVfs;
int rc;
if(nArg < 2 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xChgrp == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Extract the user */
zGroup = ph7_value_to_string(apArg[1], 0);
/* Perform the requested operation */
rc = pVfs->xChgrp(zPath, zGroup);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* int64 disk_free_space(string $directory)
* Returns available space on filesystem or disk partition.
* Parameters
* $directory
* A directory of the filesystem or disk partition.
* Return
* Returns the number of available bytes as a 64-bit integer or FALSE on failure.
*/
static int PH7_vfs_disk_free_space(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_int64 iSize;
ph7_vfs *pVfs;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xFreeSpace == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
iSize = pVfs->xFreeSpace(zPath);
/* IO return value */
ph7_result_int64(pCtx, iSize);
return PH7_OK;
}
/*
* int64 disk_total_space(string $directory)
* Returns the total size of a filesystem or disk partition.
* Parameters
* $directory
* A directory of the filesystem or disk partition.
* Return
* Returns the number of available bytes as a 64-bit integer or FALSE on failure.
*/
static int PH7_vfs_disk_total_space(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_int64 iSize;
ph7_vfs *pVfs;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xTotalSpace == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
iSize = pVfs->xTotalSpace(zPath);
/* IO return value */
ph7_result_int64(pCtx, iSize);
return PH7_OK;
}
/*
* bool file_exists(string $filename)
* Checks whether a file or directory exists.
* Parameters
* $filename
* Path to the file.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_file_exists(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xFileExists == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xFileExists(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* int64 file_size(string $filename)
* Gets the size for the given file.
* Parameters
* $filename
* Path to the file.
* Return
* File size on success or FALSE on failure.
*/
static int PH7_vfs_file_size(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_int64 iSize;
ph7_vfs *pVfs;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xFileSize == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
iSize = pVfs->xFileSize(zPath);
/* IO return value */
ph7_result_int64(pCtx, iSize);
return PH7_OK;
}
/*
* int64 fileatime(string $filename)
* Gets the last access time of the given file.
* Parameters
* $filename
* Path to the file.
* Return
* File atime on success or FALSE on failure.
*/
static int PH7_vfs_file_atime(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_int64 iTime;
ph7_vfs *pVfs;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xFileAtime == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
iTime = pVfs->xFileAtime(zPath);
/* IO return value */
ph7_result_int64(pCtx, iTime);
return PH7_OK;
}
/*
* int64 filemtime(string $filename)
* Gets file modification time.
* Parameters
* $filename
* Path to the file.
* Return
* File mtime on success or FALSE on failure.
*/
static int PH7_vfs_file_mtime(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_int64 iTime;
ph7_vfs *pVfs;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xFileMtime == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
iTime = pVfs->xFileMtime(zPath);
/* IO return value */
ph7_result_int64(pCtx, iTime);
return PH7_OK;
}
/*
* int64 filectime(string $filename)
* Gets inode change time of file.
* Parameters
* $filename
* Path to the file.
* Return
* File ctime on success or FALSE on failure.
*/
static int PH7_vfs_file_ctime(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_int64 iTime;
ph7_vfs *pVfs;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xFileCtime == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
iTime = pVfs->xFileCtime(zPath);
/* IO return value */
ph7_result_int64(pCtx, iTime);
return PH7_OK;
}
/*
* int64 filegroup(string $filename)
* Gets the file group.
* Parameters
* $filename
* Path to the file.
* Return
* The group ID of the file or FALSE on failure.
*/
static int PH7_vfs_file_group(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_int64 iGroup;
ph7_vfs *pVfs;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xFileCtime == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
iGroup = pVfs->xFileGroup(zPath);
/* IO return value */
ph7_result_int64(pCtx, iGroup);
return PH7_OK;
}
/*
* int64 fileinode(string $filename)
* Gets the file inode.
* Parameters
* $filename
* Path to the file.
* Return
* The inode number of the file or FALSE on failure.
*/
static int PH7_vfs_file_inode(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_int64 iInode;
ph7_vfs *pVfs;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xFileCtime == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
iInode = pVfs->xFileInode(zPath);
/* IO return value */
ph7_result_int64(pCtx, iInode);
return PH7_OK;
}
/*
* int64 fileowner(string $filename)
* Gets the file owner.
* Parameters
* $filename
* Path to the file.
* Return
* The user ID of the owner of the file or FALSE on failure.
*/
static int PH7_vfs_file_owner(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_int64 iOwner;
ph7_vfs *pVfs;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xFileCtime == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
iOwner = pVfs->xFileOwner(zPath);
/* IO return value */
ph7_result_int64(pCtx, iOwner);
return PH7_OK;
}
/*
* bool is_file(string $filename)
* Tells whether the filename is a regular file.
* Parameters
* $filename
* Path to the file.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_is_file(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xIsFile == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xIsFile(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool is_link(string $filename)
* Tells whether the filename is a symbolic link.
* Parameters
* $filename
* Path to the file.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_is_link(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xIsLink == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xIsLink(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool is_readable(string $filename)
* Tells whether a file exists and is readable.
* Parameters
* $filename
* Path to the file.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_is_readable(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xReadable == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xReadable(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool is_writable(string $filename)
* Tells whether the filename is writable.
* Parameters
* $filename
* Path to the file.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_is_writable(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xWritable == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xWritable(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool is_executable(string $filename)
* Tells whether the filename is executable.
* Parameters
* $filename
* Path to the file.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_is_executable(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xExecutable == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xExecutable(zPath);
/* IO return value */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* string filetype(string $filename)
* Gets file type.
* Parameters
* $filename
* Path to the file.
* Return
* The type of the file. Possible values are fifo, char, dir, block, link
* file, socket and unknown.
*/
static int PH7_vfs_filetype(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
ph7_vfs *pVfs;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return 'unknown' */
ph7_result_string(pCtx, "unknown", sizeof("unknown") - 1);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xFiletype == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the desired directory */
zPath = ph7_value_to_string(apArg[0], 0);
/* Set the empty string as the default return value */
ph7_result_string(pCtx, "", 0);
/* Perform the requested operation */
pVfs->xFiletype(zPath, pCtx);
return PH7_OK;
}
/*
* array stat(string $filename)
* Gives information about a file.
* Parameters
* $filename
* Path to the file.
* Return
* An associative array on success holding the following entries on success
* 0 dev device number
* 1 ino inode number (zero on windows)
* 2 mode inode protection mode
* 3 nlink number of links
* 4 uid userid of owner (zero on windows)
* 5 gid groupid of owner (zero on windows)
* 6 rdev device type, if inode device
* 7 size size in bytes
* 8 atime time of last access (Unix timestamp)
* 9 mtime time of last modification (Unix timestamp)
* 10 ctime time of last inode change (Unix timestamp)
* 11 blksize blocksize of filesystem IO (zero on windows)
* 12 blocks number of 512-byte blocks allocated.
* Note:
* FALSE is returned on failure.
*/
static int PH7_vfs_stat(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_value *pArray, *pValue;
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xStat == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Create the array and the working value */
pArray = ph7_context_new_array(pCtx);
pValue = ph7_context_new_scalar(pCtx);
if(pArray == 0 || pValue == 0) {
PH7_VmMemoryError(pCtx->pVm);
}
/* Extract the file path */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xStat(zPath, pArray, pValue);
if(rc != PH7_OK) {
/* IO error,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
/* Return the associative array */
ph7_result_value(pCtx, pArray);
}
/* Don't worry about freeing memory here,everything will be released
* automatically as soon we return from this function. */
return PH7_OK;
}
/*
* array lstat(string $filename)
* Gives information about a file or symbolic link.
* Parameters
* $filename
* Path to the file.
* Return
* An associative array on success holding the following entries on success
* 0 dev device number
* 1 ino inode number (zero on windows)
* 2 mode inode protection mode
* 3 nlink number of links
* 4 uid userid of owner (zero on windows)
* 5 gid groupid of owner (zero on windows)
* 6 rdev device type, if inode device
* 7 size size in bytes
* 8 atime time of last access (Unix timestamp)
* 9 mtime time of last modification (Unix timestamp)
* 10 ctime time of last inode change (Unix timestamp)
* 11 blksize blocksize of filesystem IO (zero on windows)
* 12 blocks number of 512-byte blocks allocated.
* Note:
* FALSE is returned on failure.
*/
static int PH7_vfs_lstat(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_value *pArray, *pValue;
const char *zPath;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xlStat == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Create the array and the working value */
pArray = ph7_context_new_array(pCtx);
pValue = ph7_context_new_scalar(pCtx);
if(pArray == 0 || pValue == 0) {
PH7_VmMemoryError(pCtx->pVm);
}
/* Extract the file path */
zPath = ph7_value_to_string(apArg[0], 0);
/* Perform the requested operation */
rc = pVfs->xlStat(zPath, pArray, pValue);
if(rc != PH7_OK) {
/* IO error,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
/* Return the associative array */
ph7_result_value(pCtx, pArray);
}
/* Don't worry about freeing memory here,everything will be released
* automatically as soon we return from this function. */
return PH7_OK;
}
/*
* string getenv(string $varname)
* Gets the value of an environment variable.
* Parameters
* $varname
* The variable name.
* Return
* Returns the value of the environment variable varname, or FALSE if the environment
* variable varname does not exist.
*/
static int PH7_vfs_getenv(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zEnv;
ph7_vfs *pVfs;
int iLen;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xGetenv == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the environment variable */
zEnv = ph7_value_to_string(apArg[0], &iLen);
/* Set a boolean FALSE as the default return value */
ph7_result_bool(pCtx, 0);
if(iLen < 1) {
/* Empty string */
return PH7_OK;
}
/* Perform the requested operation */
pVfs->xGetenv(zEnv, pCtx);
return PH7_OK;
}
/*
* bool putenv(string $settings)
* Set the value of an environment variable.
* Parameters
* $setting
* The setting, like "FOO=BAR"
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_putenv(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zName, *zValue;
char *zSettings, *zEnd;
ph7_vfs *pVfs;
int iLen, rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the setting variable */
zSettings = (char *)ph7_value_to_string(apArg[0], &iLen);
if(iLen < 1) {
/* Empty string,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Parse the setting */
zEnd = &zSettings[iLen];
zValue = 0;
zName = zSettings;
while(zSettings < zEnd) {
if(zSettings[0] == '=') {
/* Null terminate the name */
zSettings[0] = 0;
zValue = &zSettings[1];
break;
}
zSettings++;
}
/* Install the environment variable in the $_Env array */
if(zValue == 0 || zName[0] == 0 || zValue >= zEnd || zName >= zValue) {
/* Invalid settings,retun FALSE */
ph7_result_bool(pCtx, 0);
if(zSettings < zEnd) {
zSettings[0] = '=';
}
return PH7_OK;
}
ph7_vm_config(pCtx->pVm, PH7_VM_CONFIG_ENV_ATTR, zName, zValue, (int)(zEnd - zValue));
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xSetenv == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
zSettings[0] = '=';
return PH7_OK;
}
/* Perform the requested operation */
rc = pVfs->xSetenv(zName, zValue);
ph7_result_bool(pCtx, rc == PH7_OK);
zSettings[0] = '=';
return PH7_OK;
}
/*
* bool touch(string $filename[,int64 $time = time()[,int64 $atime]])
* Sets access and modification time of file.
* Note: On windows
* If the file does not exists,it will not be created.
* Parameters
* $filename
* The name of the file being touched.
* $time
* The touch time. If time is not supplied, the current system time is used.
* $atime
* If present, the access time of the given filename is set to the value of atime.
* Otherwise, it is set to the value passed to the time parameter. If neither are
* present, the current system time is used.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_touch(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_int64 nTime, nAccess;
const char *zFile;
ph7_vfs *pVfs;
int rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xTouch == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
nTime = nAccess = -1;
zFile = ph7_value_to_string(apArg[0], 0);
if(nArg > 1) {
nTime = ph7_value_to_int64(apArg[1]);
if(nArg > 2) {
nAccess = ph7_value_to_int64(apArg[1]);
} else {
nAccess = nTime;
}
}
rc = pVfs->xTouch(zFile, nTime, nAccess);
/* IO result */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* Path processing functions that do not need access to the VFS layer
* Authors:
* Symisc Systems,devel@symisc.net.
* Copyright (C) Symisc Systems,https://ph7.symisc.net
* Status:
* Stable.
*/
/*
* string dirname(string $path)
* Returns parent directory's path.
* Parameters
* $path
* Target path.
* On Windows, both slash (/) and backslash (\) are used as directory separator character.
* In other environments, it is the forward slash (/).
* Return
* The path of the parent directory. If there are no slashes in path, a dot ('.')
* is returned, indicating the current directory.
*/
static int PH7_builtin_dirname(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath, *zDir;
int iLen, iDirlen;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return the empty string */
ph7_result_string(pCtx, "", 0);
return PH7_OK;
}
/* Point to the target path */
zPath = ph7_value_to_string(apArg[0], &iLen);
if(iLen < 1) {
/* Return "." */
ph7_result_string(pCtx, ".", sizeof(char));
return PH7_OK;
}
/* Perform the requested operation */
zDir = PH7_ExtractDirName(zPath, iLen, &iDirlen);
/* Return directory name */
ph7_result_string(pCtx, zDir, iDirlen);
return PH7_OK;
}
/*
* string basename(string $path[, string $suffix ])
* Returns trailing name component of path.
* Parameters
* $path
* Target path.
* On Windows, both slash (/) and backslash (\) are used as directory separator character.
* In other environments, it is the forward slash (/).
* $suffix
* If the name component ends in suffix this will also be cut off.
* Return
* The base name of the given path.
*/
static int PH7_builtin_basename(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath, *zBase, *zEnd;
int c, d, iLen;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return the empty string */
ph7_result_string(pCtx, "", 0);
return PH7_OK;
}
c = d = '/';
#ifdef __WINNT__
d = '\\';
#endif
/* Point to the target path */
zPath = ph7_value_to_string(apArg[0], &iLen);
if(iLen < 1) {
/* Empty string */
ph7_result_string(pCtx, "", 0);
return PH7_OK;
}
/* Perform the requested operation */
zEnd = &zPath[iLen - 1];
/* Ignore trailing '/' */
while(zEnd > zPath && ((int)zEnd[0] == c || (int)zEnd[0] == d)) {
zEnd--;
}
iLen = (int)(&zEnd[1] - zPath);
while(zEnd > zPath && ((int)zEnd[0] != c && (int)zEnd[0] != d)) {
zEnd--;
}
zBase = (zEnd > zPath) ? &zEnd[1] : zPath;
zEnd = &zPath[iLen];
if(nArg > 1 && ph7_value_is_string(apArg[1])) {
const char *zSuffix;
int nSuffix;
/* Strip suffix */
zSuffix = ph7_value_to_string(apArg[1], &nSuffix);
if(nSuffix > 0 && nSuffix < iLen && SyMemcmp(&zEnd[-nSuffix], zSuffix, nSuffix) == 0) {
zEnd -= nSuffix;
}
}
/* Store the basename */
ph7_result_string(pCtx, zBase, (int)(zEnd - zBase));
return PH7_OK;
}
/*
* value pathinfo(string $path [,int $options = PATHINFO_DIRNAME | PATHINFO_BASENAME | PATHINFO_EXTENSION | PATHINFO_FILENAME ])
* Returns information about a file path.
* Parameter
* $path
* The path to be parsed.
* $options
* If present, specifies a specific element to be returned; one of
* PATHINFO_DIRNAME, PATHINFO_BASENAME, PATHINFO_EXTENSION or PATHINFO_FILENAME.
* Return
* If the options parameter is not passed, an associative array containing the following
* elements is returned: dirname, basename, extension (if any), and filename.
* If options is present, returns a string containing the requested element.
*/
typedef struct path_info path_info;
struct path_info {
SyString sDir; /* Directory [i.e: /var/www] */
SyString sBasename; /* Basename [i.e httpd.conf] */
SyString sExtension; /* File extension [i.e xml,pdf..] */
SyString sFilename; /* Filename */
};
/*
* Extract path fields.
*/
static sxi32 ExtractPathInfo(const char *zPath, int nByte, path_info *pOut) {
const char *zPtr, *zEnd = &zPath[nByte - 1];
SyString *pCur;
int c, d;
c = d = '/';
#ifdef __WINNT__
d = '\\';
#endif
/* Zero the structure */
SyZero(pOut, sizeof(path_info));
/* Handle special case */
if(nByte == sizeof(char) && ((int)zPath[0] == c || (int)zPath[0] == d)) {
#ifdef __WINNT__
SyStringInitFromBuf(&pOut->sDir, "\\", sizeof(char));
#else
SyStringInitFromBuf(&pOut->sDir, "/", sizeof(char));
#endif
return SXRET_OK;
}
/* Extract the basename */
while(zEnd > zPath && ((int)zEnd[0] != c && (int)zEnd[0] != d)) {
zEnd--;
}
zPtr = (zEnd > zPath) ? &zEnd[1] : zPath;
zEnd = &zPath[nByte];
/* dirname */
pCur = &pOut->sDir;
SyStringInitFromBuf(pCur, zPath, zPtr - zPath);
if(pCur->nByte > 1) {
SyStringTrimTrailingChar(pCur, '/');
#ifdef __WINNT__
SyStringTrimTrailingChar(pCur, '\\');
#endif
} else if((int)zPath[0] == c || (int)zPath[0] == d) {
#ifdef __WINNT__
SyStringInitFromBuf(&pOut->sDir, "\\", sizeof(char));
#else
SyStringInitFromBuf(&pOut->sDir, "/", sizeof(char));
#endif
}
/* basename/filename */
pCur = &pOut->sBasename;
SyStringInitFromBuf(pCur, zPtr, zEnd - zPtr);
SyStringTrimLeadingChar(pCur, '/');
#ifdef __WINNT__
SyStringTrimLeadingChar(pCur, '\\');
#endif
SyStringDupPtr(&pOut->sFilename, pCur);
if(pCur->nByte > 0) {
/* extension */
zEnd--;
while(zEnd > pCur->zString /*basename*/ && zEnd[0] != '.') {
zEnd--;
}
if(zEnd > pCur->zString) {
zEnd++; /* Jump leading dot */
SyStringInitFromBuf(&pOut->sExtension, zEnd, &zPath[nByte] - zEnd);
/* Fix filename */
pCur = &pOut->sFilename;
if(pCur->nByte > SyStringLength(&pOut->sExtension)) {
pCur->nByte -= 1 + SyStringLength(&pOut->sExtension);
}
}
}
return SXRET_OK;
}
/*
* value pathinfo(string $path [,int $options = PATHINFO_DIRNAME | PATHINFO_BASENAME | PATHINFO_EXTENSION | PATHINFO_FILENAME ])
* See block comment above.
*/
static int PH7_builtin_pathinfo(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zPath;
path_info sInfo;
SyString *pComp;
int iLen;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid argument,return the empty string */
ph7_result_string(pCtx, "", 0);
return PH7_OK;
}
/* Point to the target path */
zPath = ph7_value_to_string(apArg[0], &iLen);
if(iLen < 1) {
/* Empty string */
ph7_result_string(pCtx, "", 0);
return PH7_OK;
}
/* Extract path info */
ExtractPathInfo(zPath, iLen, &sInfo);
if(nArg > 1 && ph7_value_is_int(apArg[1])) {
/* Return path component */
int nComp = ph7_value_to_int(apArg[1]);
switch(nComp) {
case 1: /* PATHINFO_DIRNAME */
pComp = &sInfo.sDir;
if(pComp->nByte > 0) {
ph7_result_string(pCtx, pComp->zString, (int)pComp->nByte);
} else {
/* Expand the empty string */
ph7_result_string(pCtx, "", 0);
}
break;
case 2: /*PATHINFO_BASENAME*/
pComp = &sInfo.sBasename;
if(pComp->nByte > 0) {
ph7_result_string(pCtx, pComp->zString, (int)pComp->nByte);
} else {
/* Expand the empty string */
ph7_result_string(pCtx, "", 0);
}
break;
case 3: /*PATHINFO_EXTENSION*/
pComp = &sInfo.sExtension;
if(pComp->nByte > 0) {
ph7_result_string(pCtx, pComp->zString, (int)pComp->nByte);
} else {
/* Expand the empty string */
ph7_result_string(pCtx, "", 0);
}
break;
case 4: /*PATHINFO_FILENAME*/
pComp = &sInfo.sFilename;
if(pComp->nByte > 0) {
ph7_result_string(pCtx, pComp->zString, (int)pComp->nByte);
} else {
/* Expand the empty string */
ph7_result_string(pCtx, "", 0);
}
break;
default:
/* Expand the empty string */
ph7_result_string(pCtx, "", 0);
break;
}
} else {
/* Return an associative array */
ph7_value *pArray, *pValue;
pArray = ph7_context_new_array(pCtx);
pValue = ph7_context_new_scalar(pCtx);
if(pArray == 0 || pValue == 0) {
/* Out of mem,return NULL */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* dirname */
pComp = &sInfo.sDir;
if(pComp->nByte > 0) {
ph7_value_string(pValue, pComp->zString, (int)pComp->nByte);
/* Perform the insertion */
ph7_array_add_strkey_elem(pArray, "dirname", pValue); /* Will make it's own copy */
}
/* Reset the string cursor */
ph7_value_reset_string_cursor(pValue);
/* basername */
pComp = &sInfo.sBasename;
if(pComp->nByte > 0) {
ph7_value_string(pValue, pComp->zString, (int)pComp->nByte);
/* Perform the insertion */
ph7_array_add_strkey_elem(pArray, "basename", pValue); /* Will make it's own copy */
}
/* Reset the string cursor */
ph7_value_reset_string_cursor(pValue);
/* extension */
pComp = &sInfo.sExtension;
if(pComp->nByte > 0) {
ph7_value_string(pValue, pComp->zString, (int)pComp->nByte);
/* Perform the insertion */
ph7_array_add_strkey_elem(pArray, "extension", pValue); /* Will make it's own copy */
}
/* Reset the string cursor */
ph7_value_reset_string_cursor(pValue);
/* filename */
pComp = &sInfo.sFilename;
if(pComp->nByte > 0) {
ph7_value_string(pValue, pComp->zString, (int)pComp->nByte);
/* Perform the insertion */
ph7_array_add_strkey_elem(pArray, "filename", pValue); /* Will make it's own copy */
}
/* Return the created array */
ph7_result_value(pCtx, pArray);
/* Don't worry about freeing memory, everything will be released
* automatically as soon we return from this foreign function.
*/
}
return PH7_OK;
}
/*
* Globbing implementation extracted from the sqlite3 source tree.
* Original author: D. Richard Hipp (https://www.sqlite.org)
* Status: Public Domain
*/
typedef unsigned char u8;
/* An array to map all upper-case characters into their corresponding
** lower-case character.
**
** SQLite only considers US-ASCII (or EBCDIC) characters. We do not
** handle case conversions for the UTF character set since the tables
** involved are nearly as big or bigger than SQLite itself.
*/
static const unsigned char sqlite3UpperToLower[] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17,
18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35,
36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53,
54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 97, 98, 99, 100, 101, 102, 103,
104, 105, 106, 107, 108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121,
122, 91, 92, 93, 94, 95, 96, 97, 98, 99, 100, 101, 102, 103, 104, 105, 106, 107,
108, 109, 110, 111, 112, 113, 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125,
126, 127, 128, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142, 143,
144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 157, 158, 159, 160, 161,
162, 163, 164, 165, 166, 167, 168, 169, 170, 171, 172, 173, 174, 175, 176, 177, 178, 179,
180, 181, 182, 183, 184, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197,
198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215,
216, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227, 228, 229, 230, 231, 232, 233,
234, 235, 236, 237, 238, 239, 240, 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 251,
252, 253, 254, 255
};
#define GlogUpperToLower(A) if( A<0x80 ){ A = sqlite3UpperToLower[A]; }
/*
** Assuming zIn points to the first byte of a UTF-8 character,
** advance zIn to point to the first byte of the next UTF-8 character.
*/
#define SQLITE_SKIP_UTF8(zIn) { \
if( (*(zIn++))>=0xc0 ){ \
while( (*zIn & 0xc0)==0x80 ){ zIn++; } \
} \
}
/*
** Compare two UTF-8 strings for equality where the first string can
** potentially be a "glob" expression. Return true (1) if they
** are the same and false (0) if they are different.
**
** Globbing rules:
**
** '*' Matches any sequence of zero or more characters.
**
** '?' Matches exactly one character.
**
** [...] Matches one character from the enclosed list of
** characters.
**
** [^...] Matches one character not in the enclosed list.
**
** With the [...] and [^...] matching, a ']' character can be included
** in the list by making it the first character after '[' or '^'. A
** range of characters can be specified using '-'. Example:
** "[a-z]" matches any single lower-case letter. To match a '-', make
** it the last character in the list.
**
** This routine is usually quick, but can be N**2 in the worst case.
**
** Hints: to match '*' or '?', put them in "[]". Like this:
**
** abc[*]xyz Matches "abc*xyz" only
*/
static int patternCompare(
const u8 *zPattern, /* The glob pattern */
const u8 *zString, /* The string to compare against the glob */
const int esc, /* The escape character */
int noCase
) {
int c, c2;
int invert;
int seen;
u8 matchOne = '?';
u8 matchAll = '*';
u8 matchSet = '[';
int prevEscape = 0; /* True if the previous character was 'escape' */
if(!zPattern || !zString) {
return 0;
}
while((c = PH7_Utf8Read(zPattern, 0, &zPattern)) != 0) {
if(!prevEscape && c == matchAll) {
while((c = PH7_Utf8Read(zPattern, 0, &zPattern)) == matchAll
|| c == matchOne) {
if(c == matchOne && PH7_Utf8Read(zString, 0, &zString) == 0) {
return 0;
}
}
if(c == 0) {
return 1;
} else if(c == esc) {
c = PH7_Utf8Read(zPattern, 0, &zPattern);
if(c == 0) {
return 0;
}
} else if(c == matchSet) {
if((esc == 0) || (matchSet < 0x80)) {
return 0;
}
while(*zString && patternCompare(&zPattern[-1], zString, esc, noCase) == 0) {
SQLITE_SKIP_UTF8(zString);
}
return *zString != 0;
}
while((c2 = PH7_Utf8Read(zString, 0, &zString)) != 0) {
if(noCase) {
GlogUpperToLower(c2);
GlogUpperToLower(c);
while(c2 != 0 && c2 != c) {
c2 = PH7_Utf8Read(zString, 0, &zString);
GlogUpperToLower(c2);
}
} else {
while(c2 != 0 && c2 != c) {
c2 = PH7_Utf8Read(zString, 0, &zString);
}
}
if(c2 == 0) {
return 0;
}
if(patternCompare(zPattern, zString, esc, noCase)) {
return 1;
}
}
return 0;
} else if(!prevEscape && c == matchOne) {
if(PH7_Utf8Read(zString, 0, &zString) == 0) {
return 0;
}
} else if(c == matchSet) {
int prior_c = 0;
if(esc == 0) {
return 0;
}
seen = 0;
invert = 0;
c = PH7_Utf8Read(zString, 0, &zString);
if(c == 0) {
return 0;
}
c2 = PH7_Utf8Read(zPattern, 0, &zPattern);
if(c2 == '^') {
invert = 1;
c2 = PH7_Utf8Read(zPattern, 0, &zPattern);
}
if(c2 == ']') {
if(c == ']') {
seen = 1;
}
c2 = PH7_Utf8Read(zPattern, 0, &zPattern);
}
while(c2 && c2 != ']') {
if(c2 == '-' && zPattern[0] != ']' && zPattern[0] != 0 && prior_c > 0) {
c2 = PH7_Utf8Read(zPattern, 0, &zPattern);
if(c >= prior_c && c <= c2) {
seen = 1;
}
prior_c = 0;
} else {
if(c == c2) {
seen = 1;
}
prior_c = c2;
}
c2 = PH7_Utf8Read(zPattern, 0, &zPattern);
}
if(c2 == 0 || (seen ^ invert) == 0) {
return 0;
}
} else if(esc == c && !prevEscape) {
prevEscape = 1;
} else {
c2 = PH7_Utf8Read(zString, 0, &zString);
if(noCase) {
GlogUpperToLower(c);
GlogUpperToLower(c2);
}
if(c != c2) {
return 0;
}
prevEscape = 0;
}
}
return *zString == 0;
}
/*
* Wrapper around patternCompare() defined above.
* See block comment above for more information.
*/
static int Glob(const unsigned char *zPattern, const unsigned char *zString, int iEsc, int CaseCompare) {
int rc;
if(iEsc < 0) {
iEsc = '\\';
}
rc = patternCompare(zPattern, zString, iEsc, CaseCompare);
return rc;
}
/*
* bool fnmatch(string $pattern,string $string[,int $flags = 0 ])
* Match filename against a pattern.
* Parameters
* $pattern
* The shell wildcard pattern.
* $string
* The tested string.
* $flags
* A list of possible flags:
* FNM_NOESCAPE Disable backslash escaping.
* FNM_PATHNAME Slash in string only matches slash in the given pattern.
* FNM_PERIOD Leading period in string must be exactly matched by period in the given pattern.
* FNM_CASEFOLD Caseless match.
* Return
* TRUE if there is a match, FALSE otherwise.
*/
static int PH7_builtin_fnmatch(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zString, *zPattern;
int iEsc = '\\';
int noCase = 0;
int rc;
if(nArg < 2 || !ph7_value_is_string(apArg[0]) || !ph7_value_is_string(apArg[1])) {
/* Missing/Invalid arguments,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the pattern and the string */
zPattern = ph7_value_to_string(apArg[0], 0);
zString = ph7_value_to_string(apArg[1], 0);
/* Extract the flags if avaialble */
if(nArg > 2 && ph7_value_is_int(apArg[2])) {
rc = ph7_value_to_int(apArg[2]);
if(rc & 0x01 /*FNM_NOESCAPE*/) {
iEsc = 0;
}
if(rc & 0x08 /*FNM_CASEFOLD*/) {
noCase = 1;
}
}
/* Go globbing */
rc = Glob((const unsigned char *)zPattern, (const unsigned char *)zString, iEsc, noCase);
/* Globbing result */
ph7_result_bool(pCtx, rc);
return PH7_OK;
}
/*
* bool strglob(string $pattern,string $string)
* Match string against a pattern.
* Parameters
* $pattern
* The shell wildcard pattern.
* $string
* The tested string.
* Return
* TRUE if there is a match, FALSE otherwise.
* Note that this a symisc eXtension.
*/
static int PH7_builtin_strglob(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zString, *zPattern;
int iEsc = '\\';
int rc;
if(nArg < 2 || !ph7_value_is_string(apArg[0]) || !ph7_value_is_string(apArg[1])) {
/* Missing/Invalid arguments,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the pattern and the string */
zPattern = ph7_value_to_string(apArg[0], 0);
zString = ph7_value_to_string(apArg[1], 0);
/* Go globbing */
rc = Glob((const unsigned char *)zPattern, (const unsigned char *)zString, iEsc, 0);
/* Globbing result */
ph7_result_bool(pCtx, rc);
return PH7_OK;
}
/*
* bool link(string $target,string $link)
* Create a hard link.
* Parameters
* $target
* Target of the link.
* $link
* The link name.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_link(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zTarget, *zLink;
ph7_vfs *pVfs;
int rc;
if(nArg < 2 || !ph7_value_is_string(apArg[0]) || !ph7_value_is_string(apArg[1])) {
/* Missing/Invalid arguments,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xLink == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the given arguments */
zTarget = ph7_value_to_string(apArg[0], 0);
zLink = ph7_value_to_string(apArg[1], 0);
/* Perform the requested operation */
rc = pVfs->xLink(zTarget, zLink, 0/*Not a symbolic link */);
/* IO result */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool symlink(string $target,string $link)
* Creates a symbolic link.
* Parameters
* $target
* Target of the link.
* $link
* The link name.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_vfs_symlink(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zTarget, *zLink;
ph7_vfs *pVfs;
int rc;
if(nArg < 2 || !ph7_value_is_string(apArg[0]) || !ph7_value_is_string(apArg[1])) {
/* Missing/Invalid arguments,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xLink == 0) {
/* IO routine not implemented,return NULL */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the given arguments */
zTarget = ph7_value_to_string(apArg[0], 0);
zLink = ph7_value_to_string(apArg[1], 0);
/* Perform the requested operation */
rc = pVfs->xLink(zTarget, zLink, 1/*A symbolic link */);
/* IO result */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* int umask([ int $mask ])
* Changes the current umask.
* Parameters
* $mask
* The new umask.
* Return
* umask() without arguments simply returns the current umask.
* Otherwise the old umask is returned.
*/
static int PH7_vfs_umask(ph7_context *pCtx, int nArg, ph7_value **apArg) {
int iOld, iNew;
ph7_vfs *pVfs;
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xUmask == 0) {
/* IO routine not implemented,return -1 */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_int(pCtx, 0);
return PH7_OK;
}
iNew = 0;
if(nArg > 0) {
iNew = ph7_value_to_int(apArg[0]);
}
/* Perform the requested operation */
iOld = pVfs->xUmask(iNew);
/* Old mask */
ph7_result_int(pCtx, iOld);
return PH7_OK;
}
/*
* string sys_get_temp_dir()
* Returns directory path used for temporary files.
* Parameters
* None
* Return
* Returns the path of the temporary directory.
*/
static int PH7_vfs_sys_get_temp_dir(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_vfs *pVfs;
/* Set the empty string as the default return value */
ph7_result_string(pCtx, "", 0);
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xTempDir == 0) {
SXUNUSED(nArg); /* cc warning */
SXUNUSED(apArg);
/* IO routine not implemented,return "" */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
return PH7_OK;
}
/* Perform the requested operation */
pVfs->xTempDir(pCtx);
return PH7_OK;
}
/*
* string get_current_user()
* Returns the name of the current working user.
* Parameters
* None
* Return
* Returns the name of the current working user.
*/
static int PH7_vfs_get_current_user(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_vfs *pVfs;
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xUsername == 0) {
SXUNUSED(nArg); /* cc warning */
SXUNUSED(apArg);
/* IO routine not implemented */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
/* Set a dummy username */
ph7_result_string(pCtx, "unknown", sizeof("unknown") - 1);
return PH7_OK;
}
/* Perform the requested operation */
pVfs->xUsername(pCtx);
return PH7_OK;
}
/*
* int64 getmypid()
* Gets process ID.
* Parameters
* None
* Return
* Returns the process ID.
*/
static int PH7_vfs_getmypid(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_int64 nProcessId;
ph7_vfs *pVfs;
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xProcessId == 0) {
SXUNUSED(nArg); /* cc warning */
SXUNUSED(apArg);
/* IO routine not implemented,return -1 */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_int(pCtx, -1);
return PH7_OK;
}
/* Perform the requested operation */
nProcessId = (ph7_int64)pVfs->xProcessId();
/* Set the result */
ph7_result_int64(pCtx, nProcessId);
return PH7_OK;
}
/*
* int getmyuid()
* Get user ID.
* Parameters
* None
* Return
* Returns the user ID.
*/
static int PH7_vfs_getmyuid(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_vfs *pVfs;
int nUid;
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xUid == 0) {
SXUNUSED(nArg); /* cc warning */
SXUNUSED(apArg);
/* IO routine not implemented,return -1 */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_int(pCtx, -1);
return PH7_OK;
}
/* Perform the requested operation */
nUid = pVfs->xUid();
/* Set the result */
ph7_result_int(pCtx, nUid);
return PH7_OK;
}
/*
* int getmygid()
* Get group ID.
* Parameters
* None
* Return
* Returns the group ID.
*/
static int PH7_vfs_getmygid(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_vfs *pVfs;
int nGid;
/* Point to the underlying vfs */
pVfs = (ph7_vfs *)ph7_context_user_data(pCtx);
if(pVfs == 0 || pVfs->xGid == 0) {
SXUNUSED(nArg); /* cc warning */
SXUNUSED(apArg);
/* IO routine not implemented,return -1 */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying VFS",
ph7_function_name(pCtx)
);
ph7_result_int(pCtx, -1);
return PH7_OK;
}
/* Perform the requested operation */
nGid = pVfs->xGid();
/* Set the result */
ph7_result_int(pCtx, nGid);
return PH7_OK;
}
#ifdef __WINNT__
#include <Windows.h>
#elif defined(__UNIXES__)
#include <sys/utsname.h>
#endif
/*
* string php_uname([ string $mode = "a" ])
* Returns information about the host operating system.
* Parameters
* $mode
* mode is a single character that defines what information is returned:
* 'a': This is the default. Contains all modes in the sequence "s n r v m".
* 's': Operating system name. eg. FreeBSD.
* 'n': Host name. eg. localhost.example.com.
* 'r': Release name. eg. 5.1.2-RELEASE.
* 'v': Version information. Varies a lot between operating systems.
* 'm': Machine type. eg. i386.
* Return
* OS description as a string.
*/
static int PH7_vfs_ph7_uname(ph7_context *pCtx, int nArg, ph7_value **apArg) {
#if defined(__WINNT__)
const char *zName = "Microsoft Windows";
OSVERSIONINFOW sVer;
#elif defined(__UNIXES__)
struct utsname sName;
#endif
const char *zMode = "a";
if(nArg > 0 && ph7_value_is_string(apArg[0])) {
/* Extract the desired mode */
zMode = ph7_value_to_string(apArg[0], 0);
}
#if defined(__WINNT__)
sVer.dwOSVersionInfoSize = sizeof(sVer);
if(TRUE != GetVersionExW(&sVer)) {
ph7_result_string(pCtx, zName, -1);
return PH7_OK;
}
if(sVer.dwPlatformId == VER_PLATFORM_WIN32_NT) {
if(sVer.dwMajorVersion <= 4) {
zName = "Microsoft Windows NT";
} else if(sVer.dwMajorVersion == 5) {
switch(sVer.dwMinorVersion) {
case 0:
zName = "Microsoft Windows 2000";
break;
case 1:
zName = "Microsoft Windows XP";
break;
case 2:
zName = "Microsoft Windows Server 2003";
break;
}
} else if(sVer.dwMajorVersion == 6) {
switch(sVer.dwMinorVersion) {
case 0:
zName = "Microsoft Windows Vista";
break;
case 1:
zName = "Microsoft Windows 7";
break;
case 2:
zName = "Microsoft Windows Server 2008";
break;
case 3:
zName = "Microsoft Windows 8";
break;
default:
break;
}
} else if(sVer.dwMajorVersion == 10) {
switch(sVer.dwMinorVersion) {
case 0:
zName = "Microsoft Windows 10";
break;
default:
break;
}
}
}
switch(zMode[0]) {
case 's':
/* Operating system name */
ph7_result_string(pCtx, zName, -1/* Compute length automatically*/);
break;
case 'n':
/* Host name */
ph7_result_string(pCtx, "localhost", (int)sizeof("localhost") - 1);
break;
case 'r':
case 'v':
/* Version information. */
ph7_result_string_format(pCtx, "%u.%u build %u",
sVer.dwMajorVersion, sVer.dwMinorVersion, sVer.dwBuildNumber
);
break;
case 'm':
/* Machine name */
ph7_result_string(pCtx, "x86", (int)sizeof("x86") - 1);
break;
default:
ph7_result_string_format(pCtx, "%s localhost %u.%u build %u x86",
zName,
sVer.dwMajorVersion, sVer.dwMinorVersion, sVer.dwBuildNumber
);
break;
}
#elif defined(__UNIXES__)
if(uname(&sName) != 0) {
ph7_result_string(pCtx, "Unix", (int)sizeof("Unix") - 1);
return PH7_OK;
}
switch(zMode[0]) {
case 's':
/* Operating system name */
ph7_result_string(pCtx, sName.sysname, -1/* Compute length automatically*/);
break;
case 'n':
/* Host name */
ph7_result_string(pCtx, sName.nodename, -1/* Compute length automatically*/);
break;
case 'r':
/* Release information */
ph7_result_string(pCtx, sName.release, -1/* Compute length automatically*/);
break;
case 'v':
/* Version information. */
ph7_result_string(pCtx, sName.version, -1/* Compute length automatically*/);
break;
case 'm':
/* Machine name */
ph7_result_string(pCtx, sName.machine, -1/* Compute length automatically*/);
break;
default:
ph7_result_string_format(pCtx,
"%s %s %s %s %s",
sName.sysname,
sName.release,
sName.version,
sName.nodename,
sName.machine
);
break;
}
#else
ph7_result_string(pCtx, "Unknown Operating System", (int)sizeof("Unknown Operating System") - 1);
#endif
return PH7_OK;
}
/*
* Section:
* IO stream implementation.
* Authors:
* Symisc Systems,devel@symisc.net.
* Copyright (C) Symisc Systems,https://ph7.symisc.net
* Status:
* Stable.
*/
typedef struct io_private io_private;
struct io_private {
const ph7_io_stream *pStream; /* Underlying IO device */
void *pHandle; /* IO handle */
/* Unbuffered IO */
SyBlob sBuffer; /* Working buffer */
sxu32 nOfft; /* Current read offset */
sxu32 iMagic; /* Sanity check to avoid misuse */
};
#define IO_PRIVATE_MAGIC 0xFEAC14
/* Make sure we are dealing with a valid io_private instance */
#define IO_PRIVATE_INVALID(IO) ( IO == 0 || IO->iMagic != IO_PRIVATE_MAGIC )
/* Forward declaration */
static void ResetIOPrivate(io_private *pDev);
/*
* bool ftruncate(resource $handle,int64 $size)
* Truncates a file to a given length.
* Parameters
* $handle
* The file pointer.
* Note:
* The handle must be open for writing.
* $size
* The size to truncate to.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_builtin_ftruncate(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
int rc;
if(nArg < 2 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xTrunc == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
rc = pStream->xTrunc(pDev->pHandle, ph7_value_to_int64(apArg[1]));
if(rc == PH7_OK) {
/* Discard buffered data */
ResetIOPrivate(pDev);
}
/* IO result */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* int fseek(resource $handle,int $offset[,int $whence = SEEK_SET ])
* Seeks on a file pointer.
* Parameters
* $handle
* A file system pointer resource that is typically created using fopen().
* $offset
* The offset.
* To move to a position before the end-of-file, you need to pass a negative
* value in offset and set whence to SEEK_END.
* whence
* whence values are:
* SEEK_SET - Set position equal to offset bytes.
* SEEK_CUR - Set position to current location plus offset.
* SEEK_END - Set position to end-of-file plus offset.
* Return
* 0 on success,-1 on failure
*/
static int PH7_builtin_fseek(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
ph7_int64 iOfft;
int whence;
int rc;
if(nArg < 2 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_int(pCtx, -1);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_int(pCtx, -1);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xSeek == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_int(pCtx, -1);
return PH7_OK;
}
/* Extract the offset */
iOfft = ph7_value_to_int64(apArg[1]);
whence = 0;/* SEEK_SET */
if(nArg > 2 && ph7_value_is_int(apArg[2])) {
whence = ph7_value_to_int(apArg[2]);
}
/* Perform the requested operation */
rc = pStream->xSeek(pDev->pHandle, iOfft, whence);
if(rc == PH7_OK) {
/* Ignore buffered data */
ResetIOPrivate(pDev);
}
/* IO result */
ph7_result_int(pCtx, rc == PH7_OK ? 0 : - 1);
return PH7_OK;
}
/*
* int64 ftell(resource $handle)
* Returns the current position of the file read/write pointer.
* Parameters
* $handle
* The file pointer.
* Return
* Returns the position of the file pointer referenced by handle
* as an integer; i.e., its offset into the file stream.
* FALSE is returned on failure.
*/
static int PH7_builtin_ftell(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
ph7_int64 iOfft;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xTell == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
iOfft = pStream->xTell(pDev->pHandle);
/* IO result */
ph7_result_int64(pCtx, iOfft);
return PH7_OK;
}
/*
* bool rewind(resource $handle)
* Rewind the position of a file pointer.
* Parameters
* $handle
* The file pointer.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_builtin_rewind(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
int rc;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xSeek == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
rc = pStream->xSeek(pDev->pHandle, 0, 0/*SEEK_SET*/);
if(rc == PH7_OK) {
/* Ignore buffered data */
ResetIOPrivate(pDev);
}
/* IO result */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool fflush(resource $handle)
* Flushes the output to a file.
* Parameters
* $handle
* The file pointer.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_builtin_fflush(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
int rc;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xSync == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
rc = pStream->xSync(pDev->pHandle);
/* IO result */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* bool feof(resource $handle)
* Tests for end-of-file on a file pointer.
* Parameters
* $handle
* The file pointer.
* Return
* Returns TRUE if the file pointer is at EOF.FALSE otherwise
*/
static int PH7_builtin_feof(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
int rc;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 1);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 1);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 1);
return PH7_OK;
}
rc = SXERR_EOF;
/* Perform the requested operation */
if(SyBlobLength(&pDev->sBuffer) - pDev->nOfft > 0) {
/* Data is available */
rc = PH7_OK;
} else {
char zBuf[4096];
ph7_int64 n;
/* Perform a buffered read */
n = pStream->xRead(pDev->pHandle, zBuf, sizeof(zBuf));
if(n > 0) {
/* Copy buffered data */
SyBlobAppend(&pDev->sBuffer, zBuf, (sxu32)n);
rc = PH7_OK;
}
}
/* EOF or not */
ph7_result_bool(pCtx, rc == SXERR_EOF);
return PH7_OK;
}
/*
* Read n bytes from the underlying IO stream device.
* Return total numbers of bytes readen on success. A number < 1 on failure
* [i.e: IO error ] or EOF.
*/
static ph7_int64 StreamRead(io_private *pDev, void *pBuf, ph7_int64 nLen) {
const ph7_io_stream *pStream = pDev->pStream;
char *zBuf = (char *)pBuf;
ph7_int64 n, nRead;
n = SyBlobLength(&pDev->sBuffer) - pDev->nOfft;
if(n > 0) {
if(n > nLen) {
n = nLen;
}
/* Copy the buffered data */
SyMemcpy(SyBlobDataAt(&pDev->sBuffer, pDev->nOfft), pBuf, (sxu32)n);
/* Update the read offset */
pDev->nOfft += (sxu32)n;
if(pDev->nOfft >= SyBlobLength(&pDev->sBuffer)) {
/* Reset the working buffer so that we avoid excessive memory allocation */
SyBlobReset(&pDev->sBuffer);
pDev->nOfft = 0;
}
nLen -= n;
if(nLen < 1) {
/* All done */
return n;
}
/* Advance the cursor */
zBuf += n;
}
/* Read without buffering */
nRead = pStream->xRead(pDev->pHandle, zBuf, nLen);
if(nRead > 0) {
n += nRead;
} else if(n < 1) {
/* EOF or IO error */
return nRead;
}
return n;
}
/*
* Extract a single line from the buffered input.
*/
static sxi32 GetLine(io_private *pDev, ph7_int64 *pLen, const char **pzLine) {
const char *zIn, *zEnd, *zPtr;
zIn = (const char *)SyBlobDataAt(&pDev->sBuffer, pDev->nOfft);
zEnd = &zIn[SyBlobLength(&pDev->sBuffer) - pDev->nOfft];
zPtr = zIn;
while(zIn < zEnd) {
if(zIn[0] == '\n') {
/* Line found */
zIn++; /* Include the line ending as requested by the PHP specification */
*pLen = (ph7_int64)(zIn - zPtr);
*pzLine = zPtr;
return SXRET_OK;
}
zIn++;
}
/* No line were found */
return SXERR_NOTFOUND;
}
/*
* Read a single line from the underlying IO stream device.
*/
static ph7_int64 StreamReadLine(io_private *pDev, const char **pzData, ph7_int64 nMaxLen) {
const ph7_io_stream *pStream = pDev->pStream;
char zBuf[8192];
ph7_int64 n;
sxi32 rc;
n = 0;
if(pDev->nOfft >= SyBlobLength(&pDev->sBuffer)) {
/* Reset the working buffer so that we avoid excessive memory allocation */
SyBlobReset(&pDev->sBuffer);
pDev->nOfft = 0;
}
if(SyBlobLength(&pDev->sBuffer) - pDev->nOfft > 0) {
/* Check if there is a line */
rc = GetLine(pDev, &n, pzData);
if(rc == SXRET_OK) {
/* Got line,update the cursor */
pDev->nOfft += (sxu32)n;
return n;
}
}
/* Perform the read operation until a new line is extracted or length
* limit is reached.
*/
for(;;) {
n = pStream->xRead(pDev->pHandle, zBuf, (nMaxLen > 0 && nMaxLen < sizeof(zBuf)) ? nMaxLen : sizeof(zBuf));
if(n < 1) {
/* EOF or IO error */
break;
}
/* Append the data just read */
SyBlobAppend(&pDev->sBuffer, zBuf, (sxu32)n);
/* Try to extract a line */
rc = GetLine(pDev, &n, pzData);
if(rc == SXRET_OK) {
/* Got one,return immediately */
pDev->nOfft += (sxu32)n;
return n;
}
if(nMaxLen > 0 && (SyBlobLength(&pDev->sBuffer) - pDev->nOfft >= nMaxLen)) {
/* Read limit reached,return the available data */
*pzData = (const char *)SyBlobDataAt(&pDev->sBuffer, pDev->nOfft);
n = SyBlobLength(&pDev->sBuffer) - pDev->nOfft;
/* Reset the working buffer */
SyBlobReset(&pDev->sBuffer);
pDev->nOfft = 0;
return n;
}
}
if(SyBlobLength(&pDev->sBuffer) - pDev->nOfft > 0) {
/* Read limit reached,return the available data */
*pzData = (const char *)SyBlobDataAt(&pDev->sBuffer, pDev->nOfft);
n = SyBlobLength(&pDev->sBuffer) - pDev->nOfft;
/* Reset the working buffer */
SyBlobReset(&pDev->sBuffer);
pDev->nOfft = 0;
}
return n;
}
/*
* Open an IO stream handle.
* Notes on stream:
* According to the PHP reference manual.
* In its simplest definition, a stream is a resource object which exhibits streamable behavior.
* That is, it can be read from or written to in a linear fashion, and may be able to fseek()
* to an arbitrary locations within the stream.
* A wrapper is additional code which tells the stream how to handle specific protocols/encodings.
* For example, the http wrapper knows how to translate a URL into an HTTP/1.0 request for a file
* on a remote server.
* A stream is referenced as: scheme://target
* scheme(string) - The name of the wrapper to be used. Examples include: file, http...
* If no wrapper is specified, the function default is used (typically file://).
* target - Depends on the wrapper used. For filesystem related streams this is typically a path
* and filename of the desired file. For network related streams this is typically a hostname, often
* with a path appended.
*
* Note that PH7 IO streams looks like PHP streams but their implementation differ greately.
* Please refer to the official documentation for a full discussion.
* This function return a handle on success. Otherwise null.
*/
PH7_PRIVATE void *PH7_StreamOpenHandle(ph7_vm *pVm, const ph7_io_stream *pStream, const char *zFile,
int iFlags, int use_include, ph7_value *pResource, int bPushInclude, int *pNew) {
void *pHandle = 0; /* cc warning */
SyString sFile;
char *sFilePath[PATH_MAX + 1];
int rc;
if(pStream == 0) {
/* No such stream device */
return 0;
}
SyStringInitFromBuf(&sFile, zFile, SyStrlen(zFile));
if(use_include) {
if(sFile.zString[0] == '/'
#ifdef __WINNT__
|| (sFile.nByte > 2 && sFile.zString[1] == ':' && (sFile.zString[2] == '\\' || sFile.zString[2] == '/'))
#endif
) {
/* Get real path to the included file */
SyRealPath(zFile, sFilePath);
/* Open the file directly */
rc = pStream->xOpen(zFile, iFlags, pResource, &pHandle);
} else {
SyString *pPath;
SyBlob sWorker;
#ifdef __WINNT__
static const int c = '\\';
#else
static const int c = '/';
#endif
/* Build a path from the set of include path */
SySetResetCursor(&pVm->aPaths);
rc = SXERR_IO;
while(SXRET_OK == SySetGetNextEntry(&pVm->aPaths, (void **)&pPath)) {
/* Init the path builder working buffer everytime to avoid trash */
SyBlobInit(&sWorker, &pVm->sAllocator);
/* Build full path */
SyBlobFormat(&sWorker, "%z%c%z", pPath, c, &sFile);
/* Append null terminator */
if(SXRET_OK != SyBlobNullAppend(&sWorker)) {
continue;
}
/* Try to open the file */
rc = pStream->xOpen((const char *)SyBlobData(&sWorker), iFlags, pResource, &pHandle);
if(rc == PH7_OK) {
/* Get real path to the included file */
SyRealPath((const char *)SyBlobData(&sWorker), sFilePath);
break;
}
/* Reset the working buffer */
SyBlobReset(&sWorker);
/* Check the next path */
}
SyBlobRelease(&sWorker);
}
if(rc == PH7_OK) {
if(bPushInclude) {
/* Mark as included */
PH7_VmPushFilePath(pVm, sFilePath, -1, FALSE, pNew);
}
}
} else {
/* Open the URI directly */
rc = pStream->xOpen(zFile, iFlags, pResource, &pHandle);
}
if(rc != PH7_OK) {
/* IO error */
return 0;
}
/* Return the file handle */
return pHandle;
}
/*
* Read the whole contents of an open IO stream handle [i.e local file/URL..]
* Store the read data in the given BLOB (last argument).
* The read operation is stopped when he hit the EOF or an IO error occurs.
*/
PH7_PRIVATE sxi32 PH7_StreamReadWholeFile(void *pHandle, const ph7_io_stream *pStream, SyBlob *pOut) {
ph7_int64 nRead;
char zBuf[8192]; /* 8K */
int rc;
/* Perform the requested operation */
for(;;) {
nRead = pStream->xRead(pHandle, zBuf, sizeof(zBuf));
if(nRead < 1) {
/* EOF or IO error */
break;
}
/* Append contents */
rc = SyBlobAppend(pOut, zBuf, (sxu32)nRead);
if(rc != SXRET_OK) {
break;
}
}
return SyBlobLength(pOut) > 0 ? SXRET_OK : -1;
}
/*
* Close an open IO stream handle [i.e local file/URI..].
*/
PH7_PRIVATE void PH7_StreamCloseHandle(const ph7_io_stream *pStream, void *pHandle) {
if(pStream->xClose) {
pStream->xClose(pHandle);
}
}
/*
* string fgetc(resource $handle)
* Gets a character from the given file pointer.
* Parameters
* $handle
* The file pointer.
* Return
* Returns a string containing a single character read from the file
* pointed to by handle. Returns FALSE on EOF.
* WARNING
* This operation is extremely slow.Avoid using it.
*/
static int PH7_builtin_fgetc(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
int c, n;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
n = (int)StreamRead(pDev, (void *)&c, sizeof(char));
/* IO result */
if(n < 1) {
/* EOF or error,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
/* Return the string holding the character */
ph7_result_string(pCtx, (const char *)&c, sizeof(char));
}
return PH7_OK;
}
/*
* string fgets(resource $handle[,int64 $length ])
* Gets line from file pointer.
* Parameters
* $handle
* The file pointer.
* $length
* Reading ends when length - 1 bytes have been read, on a newline
* (which is included in the return value), or on EOF (whichever comes first).
* If no length is specified, it will keep reading from the stream until it reaches
* the end of the line.
* Return
* Returns a string of up to length - 1 bytes read from the file pointed to by handle.
* If there is no more data to read in the file pointer, then FALSE is returned.
* If an error occurs, FALSE is returned.
*/
static int PH7_builtin_fgets(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
const char *zLine;
io_private *pDev;
ph7_int64 n, nLen;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
nLen = -1;
if(nArg > 1) {
/* Maximum data to read */
nLen = ph7_value_to_int64(apArg[1]);
}
/* Perform the requested operation */
n = StreamReadLine(pDev, &zLine, nLen);
if(n < 1) {
/* EOF or IO error,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
/* Return the freshly extracted line */
ph7_result_string(pCtx, zLine, (int)n);
}
return PH7_OK;
}
/*
* string fread(resource $handle,int64 $length)
* Binary-safe file read.
* Parameters
* $handle
* The file pointer.
* $length
* Up to length number of bytes read.
* Return
* The data readen on success or FALSE on failure.
*/
static int PH7_builtin_fread(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
ph7_int64 nRead;
void *pBuf;
int nLen;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
nLen = 4096;
if(nArg > 1) {
nLen = ph7_value_to_int(apArg[1]);
if(nLen < 1) {
/* Invalid length,set a default length */
nLen = 4096;
}
}
/* Allocate enough buffer */
pBuf = ph7_context_alloc_chunk(pCtx, (unsigned int)nLen, FALSE, FALSE);
if(pBuf == 0) {
PH7_VmMemoryError(pCtx->pVm);
}
/* Perform the requested operation */
nRead = StreamRead(pDev, pBuf, (ph7_int64)nLen);
if(nRead < 1) {
/* Nothing read,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
/* Make a copy of the data just read */
ph7_result_string(pCtx, (const char *)pBuf, (int)nRead);
}
/* Release the buffer */
ph7_context_free_chunk(pCtx, pBuf);
return PH7_OK;
}
/*
* array fgetcsv(resource $handle [, int $length = 0
* [,string $delimiter = ','[,string $enclosure = '"'[,string $escape='\\']]]])
* Gets line from file pointer and parse for CSV fields.
* Parameters
* $handle
* The file pointer.
* $length
* Reading ends when length - 1 bytes have been read, on a newline
* (which is included in the return value), or on EOF (whichever comes first).
* If no length is specified, it will keep reading from the stream until it reaches
* the end of the line.
* $delimiter
* Set the field delimiter (one character only).
* $enclosure
* Set the field enclosure character (one character only).
* $escape
* Set the escape character (one character only). Defaults as a backslash (\)
* Return
* Returns a string of up to length - 1 bytes read from the file pointed to by handle.
* If there is no more data to read in the file pointer, then FALSE is returned.
* If an error occurs, FALSE is returned.
*/
static int PH7_builtin_fgetcsv(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
const char *zLine;
io_private *pDev;
ph7_int64 n, nLen;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
nLen = -1;
if(nArg > 1) {
/* Maximum data to read */
nLen = ph7_value_to_int64(apArg[1]);
}
/* Perform the requested operation */
n = StreamReadLine(pDev, &zLine, nLen);
if(n < 1) {
/* EOF or IO error,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
ph7_value *pArray;
int delim = ','; /* Delimiter */
int encl = '"' ; /* Enclosure */
int escape = '\\'; /* Escape character */
if(nArg > 2) {
const char *zPtr;
int i;
if(ph7_value_is_string(apArg[2])) {
/* Extract the delimiter */
zPtr = ph7_value_to_string(apArg[2], &i);
if(i > 0) {
delim = zPtr[0];
}
}
if(nArg > 3) {
if(ph7_value_is_string(apArg[3])) {
/* Extract the enclosure */
zPtr = ph7_value_to_string(apArg[3], &i);
if(i > 0) {
encl = zPtr[0];
}
}
if(nArg > 4) {
if(ph7_value_is_string(apArg[4])) {
/* Extract the escape character */
zPtr = ph7_value_to_string(apArg[4], &i);
if(i > 0) {
escape = zPtr[0];
}
}
}
}
}
/* Create our array */
pArray = ph7_context_new_array(pCtx);
if(pArray == 0) {
PH7_VmMemoryError(pCtx->pVm);
}
/* Parse the raw input */
PH7_ProcessCsv(zLine, (int)n, delim, encl, escape, PH7_CsvConsumer, pArray);
/* Return the freshly created array */
ph7_result_value(pCtx, pArray);
}
return PH7_OK;
}
/*
* string fgetss(resource $handle [,int $length [,string $allowable_tags ]])
* Gets line from file pointer and strip HTML tags.
* Parameters
* $handle
* The file pointer.
* $length
* Reading ends when length - 1 bytes have been read, on a newline
* (which is included in the return value), or on EOF (whichever comes first).
* If no length is specified, it will keep reading from the stream until it reaches
* the end of the line.
* $allowable_tags
* You can use the optional second parameter to specify tags which should not be stripped.
* Return
* Returns a string of up to length - 1 bytes read from the file pointed to by
* handle, with all HTML and PHP code stripped. If an error occurs, returns FALSE.
*/
static int PH7_builtin_fgetss(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
const char *zLine;
io_private *pDev;
ph7_int64 n, nLen;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
nLen = -1;
if(nArg > 1) {
/* Maximum data to read */
nLen = ph7_value_to_int64(apArg[1]);
}
/* Perform the requested operation */
n = StreamReadLine(pDev, &zLine, nLen);
if(n < 1) {
/* EOF or IO error,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
const char *zTaglist = 0;
int nTaglen = 0;
if(nArg > 2 && ph7_value_is_string(apArg[2])) {
/* Allowed tag */
zTaglist = ph7_value_to_string(apArg[2], &nTaglen);
}
/* Process data just read */
PH7_StripTagsFromString(pCtx, zLine, (int)n, zTaglist, nTaglen);
}
return PH7_OK;
}
/*
* string readdir(resource $dir_handle)
* Read entry from directory handle.
* Parameter
* $dir_handle
* The directory handle resource previously opened with opendir().
* Return
* Returns the filename on success or FALSE on failure.
*/
static int PH7_builtin_readdir(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
int rc;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_string(pCtx, "", 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_string(pCtx, "", 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xReadDir == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_string(pCtx, "", 0);
return PH7_OK;
}
ph7_result_bool(pCtx, 0);
/* Perform the requested operation */
rc = pStream->xReadDir(pDev->pHandle, pCtx);
if(rc != PH7_OK) {
/* Return FALSE */
ph7_result_string(pCtx, "", 0);
}
return PH7_OK;
}
/*
* void rewinddir(resource $dir_handle)
* Rewind directory handle.
* Parameter
* $dir_handle
* The directory handle resource previously opened with opendir().
* Return
* FALSE on failure.
*/
static int PH7_builtin_rewinddir(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xRewindDir == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
pStream->xRewindDir(pDev->pHandle);
return PH7_OK;
}
/* Forward declaration */
static void InitIOPrivate(ph7_vm *pVm, const ph7_io_stream *pStream, io_private *pOut);
static void ReleaseIOPrivate(ph7_context *pCtx, io_private *pDev);
/*
* void closedir(resource $dir_handle)
* Close directory handle.
* Parameter
* $dir_handle
* The directory handle resource previously opened with opendir().
* Return
* FALSE on failure.
*/
static int PH7_builtin_closedir(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xCloseDir == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
pStream->xCloseDir(pDev->pHandle);
/* Release the private stucture */
ReleaseIOPrivate(pCtx, pDev);
PH7_MemObjRelease(apArg[0]);
return PH7_OK;
}
/*
* resource opendir(string $path[,resource $context])
* Open directory handle.
* Parameters
* $path
* The directory path that is to be opened.
* $context
* A context stream resource.
* Return
* A directory handle resource on success,or FALSE on failure.
*/
static int PH7_builtin_opendir(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
const char *zPath;
io_private *pDev;
int iLen, rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a directory path");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the target path */
zPath = ph7_value_to_string(apArg[0], &iLen);
/* Try to extract a stream */
pStream = PH7_VmGetStreamDevice(pCtx->pVm, &zPath, iLen);
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"No stream device is associated with the given path(%s)", zPath);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
if(pStream->xOpenDir == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream->zName
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Allocate a new IO private instance */
pDev = (io_private *)ph7_context_alloc_chunk(pCtx, sizeof(io_private), TRUE, FALSE);
if(pDev == 0) {
PH7_VmMemoryError(pCtx->pVm);
}
/* Initialize the structure */
InitIOPrivate(pCtx->pVm, pStream, pDev);
/* Open the target directory */
rc = pStream->xOpenDir(zPath, nArg > 1 ? apArg[1] : 0, &pDev->pHandle);
if(rc != PH7_OK) {
/* IO error,return FALSE */
ReleaseIOPrivate(pCtx, pDev);
ph7_result_bool(pCtx, 0);
} else {
/* Return the handle as a resource */
ph7_result_resource(pCtx, pDev);
}
return PH7_OK;
}
/*
* int readfile(string $filename[,bool $use_include_path = false [,resource $context ]])
* Reads a file and writes it to the output buffer.
* Parameters
* $filename
* The filename being read.
* $use_include_path
* You can use the optional second parameter and set it to
* TRUE, if you want to search for the file in the include_path, too.
* $context
* A context stream resource.
* Return
* The number of bytes read from the file on success or FALSE on failure.
*/
static int PH7_builtin_readfile(ph7_context *pCtx, int nArg, ph7_value **apArg) {
int use_include = FALSE;
const ph7_io_stream *pStream;
ph7_int64 n, nRead;
const char *zFile;
char zBuf[8192];
void *pHandle;
int rc, nLen;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a file path");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the file path */
zFile = ph7_value_to_string(apArg[0], &nLen);
/* Point to the target IO stream device */
pStream = PH7_VmGetStreamDevice(pCtx->pVm, &zFile, nLen);
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "No such stream device,PH7 is returning FALSE");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
if(nArg > 1) {
use_include = ph7_value_to_bool(apArg[1]);
}
/* Try to open the file in read-only mode */
pHandle = PH7_StreamOpenHandle(pCtx->pVm, pStream, zFile, PH7_IO_OPEN_RDONLY,
use_include, nArg > 2 ? apArg[2] : 0, FALSE, 0);
if(pHandle == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening '%s'", zFile);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
nRead = 0;
for(;;) {
n = pStream->xRead(pHandle, zBuf, sizeof(zBuf));
if(n < 1) {
/* EOF or IO error,break immediately */
break;
}
/* Output data */
rc = ph7_context_output(pCtx, zBuf, (int)n);
if(rc == PH7_ABORT) {
break;
}
/* Increment counter */
nRead += n;
}
/* Close the stream */
PH7_StreamCloseHandle(pStream, pHandle);
/* Total number of bytes readen */
ph7_result_int64(pCtx, nRead);
return PH7_OK;
}
/*
* string file_get_contents(string $filename[,bool $use_include_path = false
* [, resource $context [, int $offset = -1 [, int $maxlen ]]]])
* Reads entire file into a string.
* Parameters
* $filename
* The filename being read.
* $use_include_path
* You can use the optional second parameter and set it to
* TRUE, if you want to search for the file in the include_path, too.
* $context
* A context stream resource.
* $offset
* The offset where the reading starts on the original stream.
* $maxlen
* Maximum length of data read. The default is to read until end of file
* is reached. Note that this parameter is applied to the stream processed by the filters.
* Return
* The function returns the read data or FALSE on failure.
*/
static int PH7_builtin_file_get_contents(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
ph7_int64 n, nRead, nMaxlen;
int use_include = FALSE;
const char *zFile;
char zBuf[8192];
void *pHandle;
int nLen;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a file path");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the file path */
zFile = ph7_value_to_string(apArg[0], &nLen);
/* Point to the target IO stream device */
pStream = PH7_VmGetStreamDevice(pCtx->pVm, &zFile, nLen);
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "No such stream device,PH7 is returning FALSE");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
nMaxlen = -1;
if(nArg > 1) {
use_include = ph7_value_to_bool(apArg[1]);
}
/* Try to open the file in read-only mode */
pHandle = PH7_StreamOpenHandle(pCtx->pVm, pStream, zFile, PH7_IO_OPEN_RDONLY, use_include, nArg > 2 ? apArg[2] : 0, FALSE, 0);
if(pHandle == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening '%s'", zFile);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
if(nArg > 3) {
/* Extract the offset */
n = ph7_value_to_int64(apArg[3]);
if(n > 0) {
if(pStream->xSeek) {
/* Seek to the desired offset */
pStream->xSeek(pHandle, n, 0/*SEEK_SET*/);
}
}
if(nArg > 4) {
/* Maximum data to read */
nMaxlen = ph7_value_to_int64(apArg[4]);
}
}
/* Perform the requested operation */
nRead = 0;
for(;;) {
n = pStream->xRead(pHandle, zBuf,
(nMaxlen > 0 && (nMaxlen < sizeof(zBuf))) ? nMaxlen : sizeof(zBuf));
if(n < 1) {
/* EOF or IO error,break immediately */
break;
}
/* Append data */
ph7_result_string(pCtx, zBuf, (int)n);
/* Increment read counter */
nRead += n;
if(nMaxlen > 0 && nRead >= nMaxlen) {
/* Read limit reached */
break;
}
}
/* Close the stream */
PH7_StreamCloseHandle(pStream, pHandle);
/* Check if we have read something */
if(ph7_context_result_buf_length(pCtx) < 1) {
/* Nothing read,return FALSE */
ph7_result_bool(pCtx, 0);
}
return PH7_OK;
}
/*
* int file_put_contents(string $filename,mixed $data[,int $flags = 0[,resource $context]])
* Write a string to a file.
* Parameters
* $filename
* Path to the file where to write the data.
* $data
* The data to write(Must be a string).
* $flags
* The value of flags can be any combination of the following
* flags, joined with the binary OR (|) operator.
* FILE_USE_INCLUDE_PATH Search for filename in the include directory. See include_path for more information.
* FILE_APPEND If file filename already exists, append the data to the file instead of overwriting it.
* LOCK_EX Acquire an exclusive lock on the file while proceeding to the writing.
* context
* A context stream resource.
* Return
* The function returns the number of bytes that were written to the file, or FALSE on failure.
*/
static int PH7_builtin_file_put_contents(ph7_context *pCtx, int nArg, ph7_value **apArg) {
int use_include = FALSE;
const ph7_io_stream *pStream;
const char *zFile;
const char *zData;
int iOpenFlags;
void *pHandle;
int iFlags;
int nLen;
if(nArg < 2 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a file path");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the file path */
zFile = ph7_value_to_string(apArg[0], &nLen);
/* Point to the target IO stream device */
pStream = PH7_VmGetStreamDevice(pCtx->pVm, &zFile, nLen);
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "No such stream device,PH7 is returning FALSE");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Data to write */
zData = ph7_value_to_string(apArg[1], &nLen);
if(nLen < 1) {
/* Nothing to write,return immediately */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Try to open the file in read-write mode */
iOpenFlags = PH7_IO_OPEN_CREATE | PH7_IO_OPEN_RDWR | PH7_IO_OPEN_TRUNC;
/* Extract the flags */
iFlags = 0;
if(nArg > 2) {
iFlags = ph7_value_to_int(apArg[2]);
if(iFlags & 0x01 /*FILE_USE_INCLUDE_PATH*/) {
use_include = TRUE;
}
if(iFlags & 0x08 /* FILE_APPEND */) {
/* If the file already exists, append the data to the file
* instead of overwriting it.
*/
iOpenFlags &= ~PH7_IO_OPEN_TRUNC;
/* Append mode */
iOpenFlags |= PH7_IO_OPEN_APPEND;
}
}
pHandle = PH7_StreamOpenHandle(pCtx->pVm, pStream, zFile, iOpenFlags, use_include,
nArg > 3 ? apArg[3] : 0, FALSE, FALSE);
if(pHandle == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening '%s'", zFile);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
if(pStream->xWrite) {
ph7_int64 n;
if((iFlags & 0x01/* LOCK_EX */) && pStream->xLock) {
/* Try to acquire an exclusive lock */
pStream->xLock(pHandle, 1/* LOCK_EX */);
}
/* Perform the write operation */
n = pStream->xWrite(pHandle, (const void *)zData, nLen);
if(n < 1) {
/* IO error,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
/* Total number of bytes written */
ph7_result_int64(pCtx, n);
}
} else {
/* Read-only stream */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR,
"Read-only stream(%s): Cannot perform write operation",
pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
}
/* Close the handle */
PH7_StreamCloseHandle(pStream, pHandle);
return PH7_OK;
}
/*
* array file(string $filename[,int $flags = 0[,resource $context]])
* Reads entire file into an array.
* Parameters
* $filename
* The filename being read.
* $flags
* The optional parameter flags can be one, or more, of the following constants:
* FILE_USE_INCLUDE_PATH
* Search for the file in the include_path.
* FILE_IGNORE_NEW_LINES
* Do not add newline at the end of each array element
* FILE_SKIP_EMPTY_LINES
* Skip empty lines
* $context
* A context stream resource.
* Return
* The function returns the read data or FALSE on failure.
*/
static int PH7_builtin_file(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const char *zFile, *zPtr, *zEnd, *zBuf;
ph7_value *pArray, *pLine;
const ph7_io_stream *pStream;
int use_include = 0;
io_private *pDev;
ph7_int64 n;
int iFlags;
int nLen;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a file path");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the file path */
zFile = ph7_value_to_string(apArg[0], &nLen);
/* Point to the target IO stream device */
pStream = PH7_VmGetStreamDevice(pCtx->pVm, &zFile, nLen);
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "No such stream device,PH7 is returning FALSE");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Allocate a new IO private instance */
pDev = (io_private *)ph7_context_alloc_chunk(pCtx, sizeof(io_private), TRUE, FALSE);
if(pDev == 0) {
PH7_VmMemoryError(pCtx->pVm);
}
/* Initialize the structure */
InitIOPrivate(pCtx->pVm, pStream, pDev);
iFlags = 0;
if(nArg > 1) {
iFlags = ph7_value_to_int(apArg[1]);
}
if(iFlags & 0x01 /*FILE_USE_INCLUDE_PATH*/) {
use_include = TRUE;
}
/* Create the array and the working value */
pArray = ph7_context_new_array(pCtx);
pLine = ph7_context_new_scalar(pCtx);
if(pArray == 0 || pLine == 0) {
PH7_VmMemoryError(pCtx->pVm);
}
/* Try to open the file in read-only mode */
pDev->pHandle = PH7_StreamOpenHandle(pCtx->pVm, pStream, zFile, PH7_IO_OPEN_RDONLY, use_include, nArg > 2 ? apArg[2] : 0, FALSE, 0);
if(pDev->pHandle == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening '%s'", zFile);
ph7_result_bool(pCtx, 0);
/* Don't worry about freeing memory, everything will be released automatically
* as soon we return from this function.
*/
return PH7_OK;
}
/* Perform the requested operation */
for(;;) {
/* Try to extract a line */
n = StreamReadLine(pDev, &zBuf, -1);
if(n < 1) {
/* EOF or IO error */
break;
}
/* Reset the cursor */
ph7_value_reset_string_cursor(pLine);
/* Remove line ending if requested by the caller */
zPtr = zBuf;
zEnd = &zBuf[n];
if(iFlags & 0x02 /* FILE_IGNORE_NEW_LINES */) {
/* Ignore trailing lines */
while(zPtr < zEnd && (zEnd[-1] == '\n'
#ifdef __WINNT__
|| zEnd[-1] == '\r'
#endif
)) {
n--;
zEnd--;
}
}
if(iFlags & 0x04 /* FILE_SKIP_EMPTY_LINES */) {
/* Ignore empty lines */
while(zPtr < zEnd && (unsigned char)zPtr[0] < 0xc0 && SyisSpace(zPtr[0])) {
zPtr++;
}
if(zPtr >= zEnd) {
/* Empty line */
continue;
}
}
ph7_value_string(pLine, zBuf, (int)(zEnd - zBuf));
/* Insert line */
ph7_array_add_elem(pArray, 0/* Automatic index assign*/, pLine);
}
/* Close the stream */
PH7_StreamCloseHandle(pStream, pDev->pHandle);
/* Release the io_private instance */
ReleaseIOPrivate(pCtx, pDev);
/* Return the created array */
ph7_result_value(pCtx, pArray);
return PH7_OK;
}
/*
* bool copy(string $source,string $dest[,resource $context ] )
* Makes a copy of the file source to dest.
* Parameters
* $source
* Path to the source file.
* $dest
* The destination path. If dest is a URL, the copy operation
* may fail if the wrapper does not support overwriting of existing files.
* $context
* A context stream resource.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_builtin_copy(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pSin, *pSout;
const char *zFile;
char zBuf[8192];
void *pIn, *pOut;
ph7_int64 n;
int nLen;
if(nArg < 2 || !ph7_value_is_string(apArg[0]) || !ph7_value_is_string(apArg[1])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a source and a destination path");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the source name */
zFile = ph7_value_to_string(apArg[0], &nLen);
/* Point to the target IO stream device */
pSin = PH7_VmGetStreamDevice(pCtx->pVm, &zFile, nLen);
if(pSin == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "No such stream device,PH7 is returning FALSE");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Try to open the source file in a read-only mode */
pIn = PH7_StreamOpenHandle(pCtx->pVm, pSin, zFile, PH7_IO_OPEN_RDONLY, FALSE, nArg > 2 ? apArg[2] : 0, FALSE, 0);
if(pIn == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening source: '%s'", zFile);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the destination name */
zFile = ph7_value_to_string(apArg[1], &nLen);
/* Point to the target IO stream device */
pSout = PH7_VmGetStreamDevice(pCtx->pVm, &zFile, nLen);
if(pSout == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "No such stream device,PH7 is returning FALSE");
ph7_result_bool(pCtx, 0);
PH7_StreamCloseHandle(pSin, pIn);
return PH7_OK;
}
if(pSout->xWrite == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pSin->zName
);
ph7_result_bool(pCtx, 0);
PH7_StreamCloseHandle(pSin, pIn);
return PH7_OK;
}
/* Try to open the destination file in a read-write mode */
pOut = PH7_StreamOpenHandle(pCtx->pVm, pSout, zFile,
PH7_IO_OPEN_CREATE | PH7_IO_OPEN_TRUNC | PH7_IO_OPEN_RDWR, FALSE, nArg > 2 ? apArg[2] : 0, FALSE, 0);
if(pOut == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening destination: '%s'", zFile);
ph7_result_bool(pCtx, 0);
PH7_StreamCloseHandle(pSin, pIn);
return PH7_OK;
}
/* Perform the requested operation */
for(;;) {
/* Read from source */
n = pSin->xRead(pIn, zBuf, sizeof(zBuf));
if(n < 1) {
/* EOF or IO error,break immediately */
break;
}
/* Write to dest */
n = pSout->xWrite(pOut, zBuf, n);
if(n < 1) {
/* IO error,break immediately */
break;
}
}
/* Close the streams */
PH7_StreamCloseHandle(pSin, pIn);
PH7_StreamCloseHandle(pSout, pOut);
/* Return TRUE */
ph7_result_bool(pCtx, 1);
return PH7_OK;
}
/*
* array fstat(resource $handle)
* Gets information about a file using an open file pointer.
* Parameters
* $handle
* The file pointer.
* Return
* Returns an array with the statistics of the file or FALSE on failure.
*/
static int PH7_builtin_fstat(ph7_context *pCtx, int nArg, ph7_value **apArg) {
ph7_value *pArray, *pValue;
const ph7_io_stream *pStream;
io_private *pDev;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/* Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xStat == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Create the array and the working value */
pArray = ph7_context_new_array(pCtx);
pValue = ph7_context_new_scalar(pCtx);
if(pArray == 0 || pValue == 0) {
PH7_VmMemoryError(pCtx->pVm);
}
/* Perform the requested operation */
pStream->xStat(pDev->pHandle, pArray, pValue);
/* Return the freshly created array */
ph7_result_value(pCtx, pArray);
/* Don't worry about freeing memory here,everything will be
* released automatically as soon we return from this function.
*/
return PH7_OK;
}
/*
* int fwrite(resource $handle,string $string[,int $length])
* Writes the contents of string to the file stream pointed to by handle.
* Parameters
* $handle
* The file pointer.
* $string
* The string that is to be written.
* $length
* If the length argument is given, writing will stop after length bytes have been written
* or the end of string is reached, whichever comes first.
* Return
* Returns the number of bytes written, or FALSE on error.
*/
static int PH7_builtin_fwrite(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
const char *zString;
io_private *pDev;
int nLen, n;
if(nArg < 2 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/* Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xWrite == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the data to write */
zString = ph7_value_to_string(apArg[1], &nLen);
if(nArg > 2) {
/* Maximum data length to write */
n = ph7_value_to_int(apArg[2]);
if(n >= 0 && n < nLen) {
nLen = n;
}
}
if(nLen < 1) {
/* Nothing to write */
ph7_result_int(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
n = (int)pStream->xWrite(pDev->pHandle, (const void *)zString, nLen);
if(n < 0) {
/* IO error,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
/* #Bytes written */
ph7_result_int(pCtx, n);
}
return PH7_OK;
}
/*
* bool flock(resource $handle,int $operation)
* Portable advisory file locking.
* Parameters
* $handle
* The file pointer.
* $operation
* operation is one of the following:
* LOCK_SH to acquire a shared lock (reader).
* LOCK_EX to acquire an exclusive lock (writer).
* LOCK_UN to release a lock (shared or exclusive).
* Return
* Returns TRUE on success or FALSE on failure.
*/
static int PH7_builtin_flock(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
int nLock;
int rc;
if(nArg < 2 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xLock == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Requested lock operation */
nLock = ph7_value_to_int(apArg[1]);
/* Lock operation */
rc = pStream->xLock(pDev->pHandle, nLock);
/* IO result */
ph7_result_bool(pCtx, rc == PH7_OK);
return PH7_OK;
}
/*
* int fpassthru(resource $handle)
* Output all remaining data on a file pointer.
* Parameters
* $handle
* The file pointer.
* Return
* Total number of characters read from handle and passed through
* to the output on success or FALSE on failure.
*/
static int PH7_builtin_fpassthru(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
ph7_int64 n, nRead;
char zBuf[8192];
int rc;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Perform the requested operation */
nRead = 0;
for(;;) {
n = StreamRead(pDev, zBuf, sizeof(zBuf));
if(n < 1) {
/* Error or EOF */
break;
}
/* Increment the read counter */
nRead += n;
/* Output data */
rc = ph7_context_output(pCtx, zBuf, (int)nRead /* FIXME: 64-bit issues */);
if(rc == PH7_ABORT) {
/* Consumer callback request an operation abort */
break;
}
}
/* Total number of bytes readen */
ph7_result_int64(pCtx, nRead);
return PH7_OK;
}
/* CSV reader/writer private data */
struct csv_data {
int delimiter; /* Delimiter. Default ',' */
int enclosure; /* Enclosure. Default '"'*/
io_private *pDev; /* Open stream handle */
int iCount; /* Counter */
};
/*
* The following callback is used by the fputcsv() function inorder to iterate
* throw array entries and output CSV data based on the current key and it's
* associated data.
*/
static int csv_write_callback(ph7_value *pKey, ph7_value *pValue, void *pUserData) {
struct csv_data *pData = (struct csv_data *)pUserData;
const char *zData;
int nLen, c2;
sxu32 n;
/* Point to the raw data */
zData = ph7_value_to_string(pValue, &nLen);
if(nLen < 1) {
/* Nothing to write */
return PH7_OK;
}
if(pData->iCount > 0) {
/* Write the delimiter */
pData->pDev->pStream->xWrite(pData->pDev->pHandle, (const void *)&pData->delimiter, sizeof(char));
}
n = 1;
c2 = 0;
if(SyByteFind(zData, (sxu32)nLen, pData->delimiter, 0) == SXRET_OK ||
SyByteFind(zData, (sxu32)nLen, pData->enclosure, &n) == SXRET_OK) {
c2 = 1;
if(n == 0) {
c2 = 2;
}
/* Write the enclosure */
pData->pDev->pStream->xWrite(pData->pDev->pHandle, (const void *)&pData->enclosure, sizeof(char));
if(c2 > 1) {
pData->pDev->pStream->xWrite(pData->pDev->pHandle, (const void *)&pData->enclosure, sizeof(char));
}
}
/* Write the data */
if(pData->pDev->pStream->xWrite(pData->pDev->pHandle, (const void *)zData, (ph7_int64)nLen) < 1) {
SXUNUSED(pKey); /* cc warning */
return PH7_ABORT;
}
if(c2 > 0) {
/* Write the enclosure */
pData->pDev->pStream->xWrite(pData->pDev->pHandle, (const void *)&pData->enclosure, sizeof(char));
if(c2 > 1) {
pData->pDev->pStream->xWrite(pData->pDev->pHandle, (const void *)&pData->enclosure, sizeof(char));
}
}
pData->iCount++;
return PH7_OK;
}
/*
* int fputcsv(resource $handle,array $fields[,string $delimiter = ','[,string $enclosure = '"' ]])
* Format line as CSV and write to file pointer.
* Parameters
* $handle
* Open file handle.
* $fields
* An array of values.
* $delimiter
* The optional delimiter parameter sets the field delimiter (one character only).
* $enclosure
* The optional enclosure parameter sets the field enclosure (one character only).
*/
static int PH7_builtin_fputcsv(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
struct csv_data sCsv;
io_private *pDev;
const char *zEol;
int eolen;
if(nArg < 2 || !ph7_value_is_resource(apArg[0]) || !ph7_value_is_array(apArg[1])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Missing/Invalid arguments");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0 || pStream->xWrite == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Set default csv separator */
sCsv.delimiter = ',';
sCsv.enclosure = '"';
sCsv.pDev = pDev;
sCsv.iCount = 0;
if(nArg > 2) {
/* User delimiter */
const char *z;
int n;
z = ph7_value_to_string(apArg[2], &n);
if(n > 0) {
sCsv.delimiter = z[0];
}
if(nArg > 3) {
z = ph7_value_to_string(apArg[3], &n);
if(n > 0) {
sCsv.enclosure = z[0];
}
}
}
/* Iterate throw array entries and write csv data */
ph7_array_walk(apArg[1], csv_write_callback, &sCsv);
/* Write a line ending */
#ifdef __WINNT__
zEol = "\r\n";
eolen = (int)sizeof("\r\n") - 1;
#else
/* Assume UNIX LF */
zEol = "\n";
eolen = (int)sizeof(char);
#endif
pDev->pStream->xWrite(pDev->pHandle, (const void *)zEol, eolen);
return PH7_OK;
}
/*
* fprintf,vfprintf private data.
* An instance of the following structure is passed to the formatted
* input consumer callback defined below.
*/
typedef struct fprintf_data fprintf_data;
struct fprintf_data {
io_private *pIO; /* IO stream */
ph7_int64 nCount; /* Total number of bytes written */
};
/*
* Callback [i.e: Formatted input consumer] for the fprintf function.
*/
static int fprintfConsumer(ph7_context *pCtx, const char *zInput, int nLen, void *pUserData) {
fprintf_data *pFdata = (fprintf_data *)pUserData;
ph7_int64 n;
/* Write the formatted data */
n = pFdata->pIO->pStream->xWrite(pFdata->pIO->pHandle, (const void *)zInput, nLen);
if(n < 1) {
SXUNUSED(pCtx); /* cc warning */
/* IO error,abort immediately */
return SXERR_ABORT;
}
/* Increment counter */
pFdata->nCount += n;
return PH7_OK;
}
/*
* int fprintf(resource $handle,string $format[,mixed $args [, mixed $... ]])
* Write a formatted string to a stream.
* Parameters
* $handle
* The file pointer.
* $format
* String format (see sprintf()).
* Return
* The length of the written string.
*/
static int PH7_builtin_fprintf(ph7_context *pCtx, int nArg, ph7_value **apArg) {
fprintf_data sFdata;
const char *zFormat;
io_private *pDev;
int nLen;
if(nArg < 2 || !ph7_value_is_resource(apArg[0]) || !ph7_value_is_string(apArg[1])) {
/* Missing/Invalid arguments,return zero */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Invalid arguments");
ph7_result_int(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_int(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
if(pDev->pStream == 0 || pDev->pStream->xWrite == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pDev->pStream ? pDev->pStream->zName : "null_stream"
);
ph7_result_int(pCtx, 0);
return PH7_OK;
}
/* Extract the string format */
zFormat = ph7_value_to_string(apArg[1], &nLen);
if(nLen < 1) {
/* Empty string,return zero */
ph7_result_int(pCtx, 0);
return PH7_OK;
}
/* Prepare our private data */
sFdata.nCount = 0;
sFdata.pIO = pDev;
/* Format the string */
PH7_InputFormat(fprintfConsumer, pCtx, zFormat, nLen, nArg - 1, &apArg[1], (void *)&sFdata, FALSE);
/* Return total number of bytes written */
ph7_result_int64(pCtx, sFdata.nCount);
return PH7_OK;
}
/*
* int vfprintf(resource $handle,string $format,array $args)
* Write a formatted string to a stream.
* Parameters
* $handle
* The file pointer.
* $format
* String format (see sprintf()).
* $args
* User arguments.
* Return
* The length of the written string.
*/
static int PH7_builtin_vfprintf(ph7_context *pCtx, int nArg, ph7_value **apArg) {
fprintf_data sFdata;
const char *zFormat;
ph7_hashmap *pMap;
io_private *pDev;
SySet sArg;
int n, nLen;
if(nArg < 3 || !ph7_value_is_resource(apArg[0]) || !ph7_value_is_string(apArg[1]) || !ph7_value_is_array(apArg[2])) {
/* Missing/Invalid arguments,return zero */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Invalid arguments");
ph7_result_int(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_int(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
if(pDev->pStream == 0 || pDev->pStream->xWrite == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pDev->pStream ? pDev->pStream->zName : "null_stream"
);
ph7_result_int(pCtx, 0);
return PH7_OK;
}
/* Extract the string format */
zFormat = ph7_value_to_string(apArg[1], &nLen);
if(nLen < 1) {
/* Empty string,return zero */
ph7_result_int(pCtx, 0);
return PH7_OK;
}
/* Point to hashmap */
pMap = (ph7_hashmap *)apArg[2]->x.pOther;
/* Extract arguments from the hashmap */
n = PH7_HashmapValuesToSet(pMap, &sArg);
/* Prepare our private data */
sFdata.nCount = 0;
sFdata.pIO = pDev;
/* Format the string */
PH7_InputFormat(fprintfConsumer, pCtx, zFormat, nLen, n, (ph7_value **)SySetBasePtr(&sArg), (void *)&sFdata, TRUE);
/* Return total number of bytes written*/
ph7_result_int64(pCtx, sFdata.nCount);
SySetRelease(&sArg);
return PH7_OK;
}
/*
* Convert open modes (string passed to the fopen() function) [i.e: 'r','w+','a',...] into PH7 flags.
* According to the PHP reference manual:
* The mode parameter specifies the type of access you require to the stream. It may be any of the following
* 'r' Open for reading only; place the file pointer at the beginning of the file.
* 'r+' Open for reading and writing; place the file pointer at the beginning of the file.
* 'w' Open for writing only; place the file pointer at the beginning of the file and truncate the file
* to zero length. If the file does not exist, attempt to create it.
* 'w+' Open for reading and writing; place the file pointer at the beginning of the file and truncate
* the file to zero length. If the file does not exist, attempt to create it.
* 'a' Open for writing only; place the file pointer at the end of the file. If the file does not
* exist, attempt to create it.
* 'a+' Open for reading and writing; place the file pointer at the end of the file. If the file does
* not exist, attempt to create it.
* 'x' Create and open for writing only; place the file pointer at the beginning of the file. If the file
* already exists,
* the fopen() call will fail by returning FALSE and generating an error of level E_WARNING. If the file
* does not exist attempt to create it. This is equivalent to specifying O_EXCL|O_CREAT flags for
* the underlying open(2) system call.
* 'x+' Create and open for reading and writing; otherwise it has the same behavior as 'x'.
* 'c' Open the file for writing only. If the file does not exist, it is created. If it exists, it is neither truncated
* (as opposed to 'w'), nor the call to this function fails (as is the case with 'x'). The file pointer
* is positioned on the beginning of the file.
* This may be useful if it's desired to get an advisory lock (see flock()) before attempting to modify the file
* as using 'w' could truncate the file before the lock was obtained (if truncation is desired, ftruncate() can
* be used after the lock is requested).
* 'c+' Open the file for reading and writing; otherwise it has the same behavior as 'c'.
*/
static int StrModeToFlags(ph7_context *pCtx, const char *zMode, int nLen) {
const char *zEnd = &zMode[nLen];
int iFlag = 0;
int c;
if(nLen < 1) {
/* Open in a read-only mode */
return PH7_IO_OPEN_RDONLY;
}
c = zMode[0];
if(c == 'r' || c == 'R') {
/* Read-only access */
iFlag = PH7_IO_OPEN_RDONLY;
zMode++; /* Advance */
if(zMode < zEnd) {
c = zMode[0];
if(c == '+' || c == 'w' || c == 'W') {
/* Read+Write access */
iFlag = PH7_IO_OPEN_RDWR;
}
}
} else if(c == 'w' || c == 'W') {
/* Overwrite mode.
* If the file does not exists,try to create it
*/
iFlag = PH7_IO_OPEN_WRONLY | PH7_IO_OPEN_TRUNC | PH7_IO_OPEN_CREATE;
zMode++; /* Advance */
if(zMode < zEnd) {
c = zMode[0];
if(c == '+' || c == 'r' || c == 'R') {
/* Read+Write access */
iFlag &= ~PH7_IO_OPEN_WRONLY;
iFlag |= PH7_IO_OPEN_RDWR;
}
}
} else if(c == 'a' || c == 'A') {
/* Append mode (place the file pointer at the end of the file).
* Create the file if it does not exists.
*/
iFlag = PH7_IO_OPEN_WRONLY | PH7_IO_OPEN_APPEND | PH7_IO_OPEN_CREATE;
zMode++; /* Advance */
if(zMode < zEnd) {
c = zMode[0];
if(c == '+') {
/* Read-Write access */
iFlag &= ~PH7_IO_OPEN_WRONLY;
iFlag |= PH7_IO_OPEN_RDWR;
}
}
} else if(c == 'x' || c == 'X') {
/* Exclusive access.
* If the file already exists,return immediately with a failure code.
* Otherwise create a new file.
*/
iFlag = PH7_IO_OPEN_WRONLY | PH7_IO_OPEN_EXCL;
zMode++; /* Advance */
if(zMode < zEnd) {
c = zMode[0];
if(c == '+' || c == 'r' || c == 'R') {
/* Read-Write access */
iFlag &= ~PH7_IO_OPEN_WRONLY;
iFlag |= PH7_IO_OPEN_RDWR;
}
}
} else if(c == 'c' || c == 'C') {
/* Overwrite mode.Create the file if it does not exists.*/
iFlag = PH7_IO_OPEN_WRONLY | PH7_IO_OPEN_CREATE;
zMode++; /* Advance */
if(zMode < zEnd) {
c = zMode[0];
if(c == '+') {
/* Read-Write access */
iFlag &= ~PH7_IO_OPEN_WRONLY;
iFlag |= PH7_IO_OPEN_RDWR;
}
}
} else {
/* Invalid mode. Assume a read only open */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_NOTICE, "Invalid open mode,PH7 is assuming a Read-Only open");
iFlag = PH7_IO_OPEN_RDONLY;
}
while(zMode < zEnd) {
c = zMode[0];
if(c == 'b' || c == 'B') {
iFlag &= ~PH7_IO_OPEN_TEXT;
iFlag |= PH7_IO_OPEN_BINARY;
} else if(c == 't' || c == 'T') {
iFlag &= ~PH7_IO_OPEN_BINARY;
iFlag |= PH7_IO_OPEN_TEXT;
}
zMode++;
}
return iFlag;
}
/*
* Initialize the IO private structure.
*/
static void InitIOPrivate(ph7_vm *pVm, const ph7_io_stream *pStream, io_private *pOut) {
pOut->pStream = pStream;
SyBlobInit(&pOut->sBuffer, &pVm->sAllocator);
pOut->nOfft = 0;
/* Set the magic number */
pOut->iMagic = IO_PRIVATE_MAGIC;
}
/*
* Release the IO private structure.
*/
static void ReleaseIOPrivate(ph7_context *pCtx, io_private *pDev) {
SyBlobRelease(&pDev->sBuffer);
pDev->iMagic = 0x2126; /* Invalid magic number so we can detect misuse */
/* Release the whole structure */
ph7_context_free_chunk(pCtx, pDev);
}
/*
* Reset the IO private structure.
*/
static void ResetIOPrivate(io_private *pDev) {
SyBlobReset(&pDev->sBuffer);
pDev->nOfft = 0;
}
/* Forward declaration */
static int is_php_stream(const ph7_io_stream *pStream);
/*
* resource fopen(string $filename,string $mode [,bool $use_include_path = false[,resource $context ]])
* Open a file,a URL or any other IO stream.
* Parameters
* $filename
* If filename is of the form "scheme://...", it is assumed to be a URL and PHP will search
* for a protocol handler (also known as a wrapper) for that scheme. If no scheme is given
* then a regular file is assumed.
* $mode
* The mode parameter specifies the type of access you require to the stream
* See the block comment associated with the StrModeToFlags() for the supported
* modes.
* $use_include_path
* You can use the optional second parameter and set it to
* TRUE, if you want to search for the file in the include_path, too.
* $context
* A context stream resource.
* Return
* File handle on success or FALSE on failure.
*/
static int PH7_builtin_fopen(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
const char *zUri, *zMode;
ph7_value *pResource;
io_private *pDev;
int iLen, imLen;
int iOpenFlags;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a file path or URL");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the URI and the desired access mode */
zUri = ph7_value_to_string(apArg[0], &iLen);
if(nArg > 1) {
zMode = ph7_value_to_string(apArg[1], &imLen);
} else {
/* Set a default read-only mode */
zMode = "r";
imLen = (int)sizeof(char);
}
/* Try to extract a stream */
pStream = PH7_VmGetStreamDevice(pCtx->pVm, &zUri, iLen);
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"No stream device is associated with the given URI(%s)", zUri);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Allocate a new IO private instance */
pDev = (io_private *)ph7_context_alloc_chunk(pCtx, sizeof(io_private), TRUE, FALSE);
if(pDev == 0) {
PH7_VmMemoryError(pCtx->pVm);
}
pResource = 0;
if(nArg > 3) {
pResource = apArg[3];
} else if(is_php_stream(pStream)) {
/* TICKET 1433-80: The php:// stream need a ph7_value to access the underlying
* virtual machine.
*/
pResource = apArg[0];
}
/* Initialize the structure */
InitIOPrivate(pCtx->pVm, pStream, pDev);
/* Convert open mode to PH7 flags */
iOpenFlags = StrModeToFlags(pCtx, zMode, imLen);
/* Try to get a handle */
pDev->pHandle = PH7_StreamOpenHandle(pCtx->pVm, pStream, zUri, iOpenFlags,
nArg > 2 ? ph7_value_to_bool(apArg[2]) : FALSE, pResource, FALSE, 0);
if(pDev->pHandle == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening '%s'", zUri);
ph7_result_bool(pCtx, 0);
ph7_context_free_chunk(pCtx, pDev);
return PH7_OK;
}
/* All done,return the io_private instance as a resource */
ph7_result_resource(pCtx, pDev);
return PH7_OK;
}
/*
* bool fclose(resource $handle)
* Closes an open file pointer
* Parameters
* $handle
* The file pointer.
* Return
* TRUE on success or FALSE on failure.
*/
static int PH7_builtin_fclose(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
io_private *pDev;
ph7_vm *pVm;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract our private data */
pDev = (io_private *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid io_private instance */
if(IO_PRIVATE_INVALID(pDev)) {
/*Expecting an IO handle */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting an IO handle");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the target IO stream device */
pStream = pDev->pStream;
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING,
"IO routine(%s) not implemented in the underlying stream(%s) device",
ph7_function_name(pCtx), pStream ? pStream->zName : "null_stream"
);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the VM that own this context */
pVm = pCtx->pVm;
/* TICKET 1433-62: Keep the STDIN/STDOUT/STDERR handles open */
if(pDev != pVm->pStdin && pDev != pVm->pStdout && pDev != pVm->pStderr) {
/* Perform the requested operation */
PH7_StreamCloseHandle(pStream, pDev->pHandle);
/* Release the IO private structure */
ReleaseIOPrivate(pCtx, pDev);
/* Invalidate the resource handle */
ph7_value_release(apArg[0]);
}
/* Return TRUE */
ph7_result_bool(pCtx, 1);
return PH7_OK;
}
/*
* MD5/SHA1 digest consumer.
*/
static int vfsHashConsumer(const void *pData, unsigned int nLen, void *pUserData) {
/* Append hex chunk verbatim */
ph7_result_string((ph7_context *)pUserData, (const char *)pData, (int)nLen);
return SXRET_OK;
}
/*
* string md5_file(string $uri[,bool $raw_output = false ])
* Calculates the md5 hash of a given file.
* Parameters
* $uri
* Target URI (file(/path/to/something) or URL(https://www.symisc.net/))
* $raw_output
* When TRUE, returns the digest in raw binary format with a length of 16.
* Return
* Return the MD5 digest on success or FALSE on failure.
*/
static int PH7_builtin_md5_file(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
unsigned char zDigest[16];
int raw_output = FALSE;
const char *zFile;
MD5Context sCtx;
char zBuf[8192];
void *pHandle;
ph7_int64 n;
int nLen;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a file path");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the file path */
zFile = ph7_value_to_string(apArg[0], &nLen);
/* Point to the target IO stream device */
pStream = PH7_VmGetStreamDevice(pCtx->pVm, &zFile, nLen);
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "No such stream device,PH7 is returning FALSE");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
if(nArg > 1) {
raw_output = ph7_value_to_bool(apArg[1]);
}
/* Try to open the file in read-only mode */
pHandle = PH7_StreamOpenHandle(pCtx->pVm, pStream, zFile, PH7_IO_OPEN_RDONLY, FALSE, 0, FALSE, 0);
if(pHandle == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening '%s'", zFile);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Init the MD5 context */
MD5Init(&sCtx);
/* Perform the requested operation */
for(;;) {
n = pStream->xRead(pHandle, zBuf, sizeof(zBuf));
if(n < 1) {
/* EOF or IO error,break immediately */
break;
}
MD5Update(&sCtx, (const unsigned char *)zBuf, (unsigned int)n);
}
/* Close the stream */
PH7_StreamCloseHandle(pStream, pHandle);
/* Extract the digest */
MD5Final(zDigest, &sCtx);
if(raw_output) {
/* Output raw digest */
ph7_result_string(pCtx, (const char *)zDigest, sizeof(zDigest));
} else {
/* Perform a binary to hex conversion */
SyBinToHexConsumer((const void *)zDigest, sizeof(zDigest), vfsHashConsumer, pCtx);
}
return PH7_OK;
}
/*
* string sha1_file(string $uri[,bool $raw_output = false ])
* Calculates the SHA1 hash of a given file.
* Parameters
* $uri
* Target URI (file(/path/to/something) or URL(https://www.symisc.net/))
* $raw_output
* When TRUE, returns the digest in raw binary format with a length of 20.
* Return
* Return the SHA1 digest on success or FALSE on failure.
*/
static int PH7_builtin_sha1_file(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
unsigned char zDigest[20];
int raw_output = FALSE;
const char *zFile;
SHA1Context sCtx;
char zBuf[8192];
void *pHandle;
ph7_int64 n;
int nLen;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a file path");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the file path */
zFile = ph7_value_to_string(apArg[0], &nLen);
/* Point to the target IO stream device */
pStream = PH7_VmGetStreamDevice(pCtx->pVm, &zFile, nLen);
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "No such stream device,PH7 is returning FALSE");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
if(nArg > 1) {
raw_output = ph7_value_to_bool(apArg[1]);
}
/* Try to open the file in read-only mode */
pHandle = PH7_StreamOpenHandle(pCtx->pVm, pStream, zFile, PH7_IO_OPEN_RDONLY, FALSE, 0, FALSE, 0);
if(pHandle == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening '%s'", zFile);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Init the SHA1 context */
SHA1Init(&sCtx);
/* Perform the requested operation */
for(;;) {
n = pStream->xRead(pHandle, zBuf, sizeof(zBuf));
if(n < 1) {
/* EOF or IO error,break immediately */
break;
}
SHA1Update(&sCtx, (const unsigned char *)zBuf, (unsigned int)n);
}
/* Close the stream */
PH7_StreamCloseHandle(pStream, pHandle);
/* Extract the digest */
SHA1Final(&sCtx, zDigest);
if(raw_output) {
/* Output raw digest */
ph7_result_string(pCtx, (const char *)zDigest, sizeof(zDigest));
} else {
/* Perform a binary to hex conversion */
SyBinToHexConsumer((const void *)zDigest, sizeof(zDigest), vfsHashConsumer, pCtx);
}
return PH7_OK;
}
/*
* array parse_ini_file(string $filename[, bool $process_sections = false [, int $scanner_mode = INI_SCANNER_NORMAL ]] )
* Parse a configuration file.
* Parameters
* $filename
* The filename of the ini file being parsed.
* $process_sections
* By setting the process_sections parameter to TRUE, you get a multidimensional array
* with the section names and settings included.
* The default for process_sections is FALSE.
* $scanner_mode
* Can either be INI_SCANNER_NORMAL (default) or INI_SCANNER_RAW.
* If INI_SCANNER_RAW is supplied, then option values will not be parsed.
* Return
* The settings are returned as an associative array on success.
* Otherwise is returned.
*/
static int PH7_builtin_parse_ini_file(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
const char *zFile;
SyBlob sContents;
void *pHandle;
int nLen;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a file path");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the file path */
zFile = ph7_value_to_string(apArg[0], &nLen);
/* Point to the target IO stream device */
pStream = PH7_VmGetStreamDevice(pCtx->pVm, &zFile, nLen);
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "No such stream device,PH7 is returning FALSE");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Try to open the file in read-only mode */
pHandle = PH7_StreamOpenHandle(pCtx->pVm, pStream, zFile, PH7_IO_OPEN_RDONLY, FALSE, 0, FALSE, 0);
if(pHandle == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening '%s'", zFile);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
SyBlobInit(&sContents, &pCtx->pVm->sAllocator);
/* Read the whole file */
PH7_StreamReadWholeFile(pHandle, pStream, &sContents);
if(SyBlobLength(&sContents) < 1) {
/* Empty buffer,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
/* Process the raw INI buffer */
PH7_ParseIniString(pCtx, (const char *)SyBlobData(&sContents), SyBlobLength(&sContents),
nArg > 1 ? ph7_value_to_bool(apArg[1]) : 0);
}
/* Close the stream */
PH7_StreamCloseHandle(pStream, pHandle);
/* Release the working buffer */
SyBlobRelease(&sContents);
return PH7_OK;
}
/*
* Section:
* ZIP archive processing.
* Authors:
* Symisc Systems,devel@symisc.net.
* Copyright (C) Symisc Systems,https://ph7.symisc.net
* Status:
* Stable.
*/
typedef struct zip_raw_data zip_raw_data;
struct zip_raw_data {
int iType; /* Where the raw data is stored */
union raw_data {
struct mmap_data {
void *pMap; /* Memory mapped data */
ph7_int64 nSize; /* Map size */
const ph7_vfs *pVfs; /* Underlying vfs */
} mmap;
SyBlob sBlob; /* Memory buffer */
} raw;
};
#define ZIP_RAW_DATA_MMAPED 1 /* Memory mapped ZIP raw data */
#define ZIP_RAW_DATA_MEMBUF 2 /* ZIP raw data stored in a dynamically
* allocated memory chunk.
*/
/*
* mixed zip_open(string $filename)
* Opens a new zip archive for reading.
* Parameters
* $filename
* The file name of the ZIP archive to open.
* Return
* A resource handle for later use with zip_read() and zip_close() or FALSE on failure.
*/
static int PH7_builtin_zip_open(ph7_context *pCtx, int nArg, ph7_value **apArg) {
const ph7_io_stream *pStream;
SyArchive *pArchive;
zip_raw_data *pRaw;
const char *zFile;
SyBlob *pContents;
void *pHandle;
int nLen;
sxi32 rc;
if(nArg < 1 || !ph7_value_is_string(apArg[0])) {
/* Missing/Invalid arguments,return FALSE */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "Expecting a file path");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the file path */
zFile = ph7_value_to_string(apArg[0], &nLen);
/* Point to the target IO stream device */
pStream = PH7_VmGetStreamDevice(pCtx->pVm, &zFile, nLen);
if(pStream == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_WARNING, "No such stream device,PH7 is returning FALSE");
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Create an in-memory archive */
pArchive = (SyArchive *)ph7_context_alloc_chunk(pCtx, sizeof(SyArchive) + sizeof(zip_raw_data), TRUE, FALSE);
if(pArchive == 0) {
PH7_VmMemoryError(pCtx->pVm);
}
pRaw = (zip_raw_data *)&pArchive[1];
/* Initialize the archive */
SyArchiveInit(pArchive, &pCtx->pVm->sAllocator, 0, 0);
/* Extract the default stream */
if(pStream == pCtx->pVm->pDefStream /* file:// stream*/) {
const ph7_vfs *pVfs;
/* Try to get a memory view of the whole file since ZIP files
* tends to be very big this days,this is a huge performance win.
*/
pVfs = PH7_ExportBuiltinVfs();
if(pVfs && pVfs->xMmap) {
rc = pVfs->xMmap(zFile, &pRaw->raw.mmap.pMap, &pRaw->raw.mmap.nSize);
if(rc == PH7_OK) {
/* Nice,Extract the whole archive */
rc = SyZipExtractFromBuf(pArchive, (const char *)pRaw->raw.mmap.pMap, (sxu32)pRaw->raw.mmap.nSize);
if(rc != SXRET_OK) {
if(pVfs->xUnmap) {
pVfs->xUnmap(pRaw->raw.mmap.pMap, pRaw->raw.mmap.nSize);
}
/* Release the allocated chunk */
ph7_context_free_chunk(pCtx, pArchive);
/* Something goes wrong with this ZIP archive,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Archive successfully opened */
pRaw->iType = ZIP_RAW_DATA_MMAPED;
pRaw->raw.mmap.pVfs = pVfs;
goto success;
}
}
/* FALL THROUGH */
}
/* Try to open the file in read-only mode */
pHandle = PH7_StreamOpenHandle(pCtx->pVm, pStream, zFile, PH7_IO_OPEN_RDONLY, FALSE, 0, FALSE, 0);
if(pHandle == 0) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "IO error while opening '%s'", zFile);
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
pContents = &pRaw->raw.sBlob;
SyBlobInit(pContents, &pCtx->pVm->sAllocator);
/* Read the whole file */
PH7_StreamReadWholeFile(pHandle, pStream, pContents);
/* Assume an invalid ZIP file */
rc = SXERR_INVALID;
if(SyBlobLength(pContents) > 0) {
/* Extract archive entries */
rc = SyZipExtractFromBuf(pArchive, (const char *)SyBlobData(pContents), SyBlobLength(pContents));
}
pRaw->iType = ZIP_RAW_DATA_MEMBUF;
/* Close the stream */
PH7_StreamCloseHandle(pStream, pHandle);
if(rc != SXRET_OK) {
/* Release the working buffer */
SyBlobRelease(pContents);
/* Release the allocated chunk */
ph7_context_free_chunk(pCtx, pArchive);
/* Something goes wrong with this ZIP archive,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
success:
/* Reset the loop cursor */
SyArchiveResetLoopCursor(pArchive);
/* Return the in-memory archive as a resource handle */
ph7_result_resource(pCtx, pArchive);
return PH7_OK;
}
/*
* void zip_close(resource $zip)
* Close an in-memory ZIP archive.
* Parameters
* $zip
* A ZIP file previously opened with zip_open().
* Return
* null.
*/
static int PH7_builtin_zip_close(ph7_context *pCtx, int nArg, ph7_value **apArg) {
SyArchive *pArchive;
zip_raw_data *pRaw;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive");
return PH7_OK;
}
/* Point to the in-memory archive */
pArchive = (SyArchive *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid ZIP archive */
if(SXARCH_INVALID(pArchive)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive");
return PH7_OK;
}
/* Release the archive */
SyArchiveRelease(pArchive);
pRaw = (zip_raw_data *)&pArchive[1];
if(pRaw->iType == ZIP_RAW_DATA_MEMBUF) {
SyBlobRelease(&pRaw->raw.sBlob);
} else {
const ph7_vfs *pVfs = pRaw->raw.mmap.pVfs;
if(pVfs->xUnmap) {
/* Unmap the memory view */
pVfs->xUnmap(pRaw->raw.mmap.pMap, pRaw->raw.mmap.nSize);
}
}
/* Release the memory chunk */
ph7_context_free_chunk(pCtx, pArchive);
return PH7_OK;
}
/*
* mixed zip_read(resource $zip)
* Reads the next entry from an in-memory ZIP archive.
* Parameters
* $zip
* A ZIP file previously opened with zip_open().
* Return
* A directory entry resource for later use with the zip_entry_... functions
* or FALSE if there are no more entries to read, or an error code if an error occurred.
*/
static int PH7_builtin_zip_read(ph7_context *pCtx, int nArg, ph7_value **apArg) {
SyArchiveEntry *pNext = 0; /* cc warning */
SyArchive *pArchive;
sxi32 rc;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the in-memory archive */
pArchive = (SyArchive *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid ZIP archive */
if(SXARCH_INVALID(pArchive)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Extract the next entry */
rc = SyArchiveGetNextEntry(pArchive, &pNext);
if(rc != SXRET_OK) {
/* No more entries in the central directory,return FALSE */
ph7_result_bool(pCtx, 0);
} else {
/* Return as a resource handle */
ph7_result_resource(pCtx, pNext);
/* Point to the ZIP raw data */
pNext->pUserData = (void *)&pArchive[1];
}
return PH7_OK;
}
/*
* bool zip_entry_open(resource $zip,resource $zip_entry[,string $mode ])
* Open a directory entry for reading
* Parameters
* $zip
* A ZIP file previously opened with zip_open().
* $zip_entry
* A directory entry returned by zip_read().
* $mode
* Not used
* Return
* A directory entry resource for later use with the zip_entry_... functions
* or FALSE if there are no more entries to read, or an error code if an error occurred.
*/
static int PH7_builtin_zip_entry_open(ph7_context *pCtx, int nArg, ph7_value **apArg) {
SyArchiveEntry *pEntry;
SyArchive *pArchive;
if(nArg < 2 || !ph7_value_is_resource(apArg[0]) || !ph7_value_is_resource(apArg[1])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Point to the in-memory archive */
pArchive = (SyArchive *)ph7_value_to_resource(apArg[0]);
/* Make sure we are dealing with a valid ZIP archive */
if(SXARCH_INVALID(pArchive)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Make sure we are dealing with a valid ZIP archive entry */
pEntry = (SyArchiveEntry *)ph7_value_to_resource(apArg[1]);
if(SXARCH_ENTRY_INVALID(pEntry)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* All done. Actually this function is a no-op,return TRUE */
ph7_result_bool(pCtx, 1);
return PH7_OK;
}
/*
* bool zip_entry_close(resource $zip_entry)
* Close a directory entry.
* Parameters
* $zip_entry
* A directory entry returned by zip_read().
* Return
* Returns TRUE on success or FALSE on failure.
*/
static int PH7_builtin_zip_entry_close(ph7_context *pCtx, int nArg, ph7_value **apArg) {
SyArchiveEntry *pEntry;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Make sure we are dealing with a valid ZIP archive entry */
pEntry = (SyArchiveEntry *)ph7_value_to_resource(apArg[0]);
if(SXARCH_ENTRY_INVALID(pEntry)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Reset the read cursor */
pEntry->nReadCount = 0;
/*All done. Actually this function is a no-op,return TRUE */
ph7_result_bool(pCtx, 1);
return PH7_OK;
}
/*
* string zip_entry_name(resource $zip_entry)
* Retrieve the name of a directory entry.
* Parameters
* $zip_entry
* A directory entry returned by zip_read().
* Return
* The name of the directory entry.
*/
static int PH7_builtin_zip_entry_name(ph7_context *pCtx, int nArg, ph7_value **apArg) {
SyArchiveEntry *pEntry;
SyString *pName;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Make sure we are dealing with a valid ZIP archive entry */
pEntry = (SyArchiveEntry *)ph7_value_to_resource(apArg[0]);
if(SXARCH_ENTRY_INVALID(pEntry)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Return entry name */
pName = &pEntry->sFileName;
ph7_result_string(pCtx, pName->zString, (int)pName->nByte);
return PH7_OK;
}
/*
* int64 zip_entry_filesize(resource $zip_entry)
* Retrieve the actual file size of a directory entry.
* Parameters
* $zip_entry
* A directory entry returned by zip_read().
* Return
* The size of the directory entry.
*/
static int PH7_builtin_zip_entry_filesize(ph7_context *pCtx, int nArg, ph7_value **apArg) {
SyArchiveEntry *pEntry;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Make sure we are dealing with a valid ZIP archive entry */
pEntry = (SyArchiveEntry *)ph7_value_to_resource(apArg[0]);
if(SXARCH_ENTRY_INVALID(pEntry)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Return entry size */
ph7_result_int64(pCtx, (ph7_int64)pEntry->nByte);
return PH7_OK;
}
/*
* int64 zip_entry_compressedsize(resource $zip_entry)
* Retrieve the compressed size of a directory entry.
* Parameters
* $zip_entry
* A directory entry returned by zip_read().
* Return
* The compressed size.
*/
static int PH7_builtin_zip_entry_compressedsize(ph7_context *pCtx, int nArg, ph7_value **apArg) {
SyArchiveEntry *pEntry;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Make sure we are dealing with a valid ZIP archive entry */
pEntry = (SyArchiveEntry *)ph7_value_to_resource(apArg[0]);
if(SXARCH_ENTRY_INVALID(pEntry)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Return entry compressed size */
ph7_result_int64(pCtx, (ph7_int64)pEntry->nByteCompr);
return PH7_OK;
}
/*
* string zip_entry_read(resource $zip_entry[,int $length])
* Reads from an open directory entry.
* Parameters
* $zip_entry
* A directory entry returned by zip_read().
* $length
* The number of bytes to return. If not specified, this function
* will attempt to read 1024 bytes.
* Return
* Returns the data read, or FALSE if the end of the file is reached.
*/
static int PH7_builtin_zip_entry_read(ph7_context *pCtx, int nArg, ph7_value **apArg) {
SyArchiveEntry *pEntry;
zip_raw_data *pRaw;
const char *zData;
int iLength;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Make sure we are dealing with a valid ZIP archive entry */
pEntry = (SyArchiveEntry *)ph7_value_to_resource(apArg[0]);
if(SXARCH_ENTRY_INVALID(pEntry)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
zData = 0;
if(pEntry->nReadCount >= pEntry->nByteCompr) {
/* No more data to read,return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Set a default read length */
iLength = 1024;
if(nArg > 1) {
iLength = ph7_value_to_int(apArg[1]);
if(iLength < 1) {
iLength = 1024;
}
}
if((sxu32)iLength > pEntry->nByteCompr - pEntry->nReadCount) {
iLength = (int)(pEntry->nByteCompr - pEntry->nReadCount);
}
/* Return the entry contents */
pRaw = (zip_raw_data *)pEntry->pUserData;
if(pRaw->iType == ZIP_RAW_DATA_MEMBUF) {
zData = (const char *)SyBlobDataAt(&pRaw->raw.sBlob, (pEntry->nOfft + pEntry->nReadCount));
} else {
const char *zMap = (const char *)pRaw->raw.mmap.pMap;
/* Memory mapped chunk */
zData = &zMap[pEntry->nOfft + pEntry->nReadCount];
}
/* Increment the read counter */
pEntry->nReadCount += iLength;
/* Return the raw data */
ph7_result_string(pCtx, zData, iLength);
return PH7_OK;
}
/*
* bool zip_entry_reset_read_cursor(resource $zip_entry)
* Reset the read cursor of an open directory entry.
* Parameters
* $zip_entry
* A directory entry returned by zip_read().
* Return
* TRUE on success,FALSE on failure.
* Note that this is a symisc eXtension.
*/
static int PH7_builtin_zip_entry_reset_read_cursor(ph7_context *pCtx, int nArg, ph7_value **apArg) {
SyArchiveEntry *pEntry;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Make sure we are dealing with a valid ZIP archive entry */
pEntry = (SyArchiveEntry *)ph7_value_to_resource(apArg[0]);
if(SXARCH_ENTRY_INVALID(pEntry)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Reset the cursor */
pEntry->nReadCount = 0;
/* Return TRUE */
ph7_result_bool(pCtx, 1);
return PH7_OK;
}
/*
* string zip_entry_compressionmethod(resource $zip_entry)
* Retrieve the compression method of a directory entry.
* Parameters
* $zip_entry
* A directory entry returned by zip_read().
* Return
* The compression method on success or FALSE on failure.
*/
static int PH7_builtin_zip_entry_compressionmethod(ph7_context *pCtx, int nArg, ph7_value **apArg) {
SyArchiveEntry *pEntry;
if(nArg < 1 || !ph7_value_is_resource(apArg[0])) {
/* Missing/Invalid arguments */
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
/* Make sure we are dealing with a valid ZIP archive entry */
pEntry = (SyArchiveEntry *)ph7_value_to_resource(apArg[0]);
if(SXARCH_ENTRY_INVALID(pEntry)) {
PH7_VmThrowError(pCtx->pVm, PH7_CTX_ERR, "Expecting a ZIP archive entry");
/* return FALSE */
ph7_result_bool(pCtx, 0);
return PH7_OK;
}
switch(pEntry->nComprMeth) {
case 0:
/* No compression;entry is stored */
ph7_result_string(pCtx, "stored", (int)sizeof("stored") - 1);
break;
case 8:
/* Entry is deflated (Default compression algorithm) */
ph7_result_string(pCtx, "deflate", (int)sizeof("deflate") - 1);
break;
/* Exotic compression algorithms */
case 1:
ph7_result_string(pCtx, "shrunk", (int)sizeof("shrunk") - 1);
break;
case 2:
case 3:
case 4:
case 5:
/* Entry is reduced */
ph7_result_string(pCtx, "reduced", (int)sizeof("reduced") - 1);
break;
case 6:
/* Entry is imploded */
ph7_result_string(pCtx, "implode", (int)sizeof("implode") - 1);
break;
default:
ph7_result_string(pCtx, "unknown", (int)sizeof("unknown") - 1);
break;
}
return PH7_OK;
}
/* NULL VFS [i.e: a no-op VFS]*/
static const ph7_vfs null_vfs = {
"NullVFS",
PH7_VFS_VERSION,
0, /* int (*xChdir)(const char *) */
0, /* int (*xChroot)(const char *); */
0, /* int (*xGetcwd)(ph7_context *) */
0, /* int (*xMkdir)(const char *,int,int) */
0, /* int (*xRmdir)(const char *) */
0, /* int (*xIsdir)(const char *) */
0, /* int (*xRename)(const char *,const char *) */
0, /*int (*xRealpath)(const char *,ph7_context *)*/
0, /* int (*xSleep)(unsigned int) */
0, /* int (*xUnlink)(const char *) */
0, /* int (*xFileExists)(const char *) */
0, /*int (*xChmod)(const char *,int)*/
0, /*int (*xChown)(const char *,const char *)*/
0, /*int (*xChgrp)(const char *,const char *)*/
0, /* ph7_int64 (*xFreeSpace)(const char *) */
0, /* ph7_int64 (*xTotalSpace)(const char *) */
0, /* ph7_int64 (*xFileSize)(const char *) */
0, /* ph7_int64 (*xFileAtime)(const char *) */
0, /* ph7_int64 (*xFileMtime)(const char *) */
0, /* ph7_int64 (*xFileCtime)(const char *) */
0, /* ph7_int64 (*xFileGroup)(const char *) */
0, /* ph7_int64 (*xFileInode)(const char *) */
0, /* ph7_int64 (*xFileOwner)(const char *) */
0, /* int (*xStat)(const char *,ph7_value *,ph7_value *) */
0, /* int (*xlStat)(const char *,ph7_value *,ph7_value *) */
0, /* int (*xIsFile)(const char *) */
0, /* int (*xIsLink)(const char *) */
0, /* int (*xReadable)(const char *) */
0, /* int (*xWritable)(const char *) */
0, /* int (*xExecutable)(const char *) */
0, /* int (*xFiletype)(const char *,ph7_context *) */
0, /* int (*xGetenv)(const char *,ph7_context *) */
0, /* int (*xSetenv)(const char *,const char *) */
0, /* int (*xTouch)(const char *,ph7_int64,ph7_int64) */
0, /* int (*xMmap)(const char *,void **,ph7_int64 *) */
0, /* void (*xUnmap)(void *,ph7_int64); */
0, /* int (*xLink)(const char *,const char *,int) */
0, /* int (*xUmask)(int) */
0, /* void (*xTempDir)(ph7_context *) */
0, /* unsigned int (*xProcessId)(void) */
0, /* int (*xUid)(void) */
0, /* int (*xGid)(void) */
0 /* void (*xUsername)(ph7_context *) */
};
#ifndef PH7_DISABLE_DISK_IO
#ifdef __WINNT__
/*
* Windows VFS implementation for the PH7 engine.
* Authors:
* Symisc Systems,devel@symisc.net.
* Copyright (C) Symisc Systems,https://ph7.symisc.net
* Status:
* Stable.
*/
/* What follows here is code that is specific to windows systems. */
#include <Windows.h>
/*
** Convert a UTF-8 string to microsoft unicode (UTF-16?).
**
** Space to hold the returned string is obtained from HeapAlloc().
** Taken from the sqlite3 source tree
** status: Public Domain
*/
static WCHAR *utf8ToUnicode(const char *zFilename) {
int nChar;
WCHAR *zWideFilename;
nChar = MultiByteToWideChar(CP_UTF8, 0, zFilename, -1, 0, 0);
zWideFilename = (WCHAR *)HeapAlloc(GetProcessHeap(), 0, nChar * sizeof(zWideFilename[0]));
if(zWideFilename == 0) {
return 0;
}
nChar = MultiByteToWideChar(CP_UTF8, 0, zFilename, -1, zWideFilename, nChar);
if(nChar == 0) {
HeapFree(GetProcessHeap(), 0, zWideFilename);
return 0;
}
return zWideFilename;
}
/*
** Convert a UTF-8 filename into whatever form the underlying
** operating system wants filenames in.Space to hold the result
** is obtained from HeapAlloc() and must be freed by the calling
** function.
** Taken from the sqlite3 source tree
** status: Public Domain
*/
static void *convertUtf8Filename(const char *zFilename) {
void *zConverted;
zConverted = utf8ToUnicode(zFilename);
return zConverted;
}
/*
** Convert microsoft unicode to UTF-8. Space to hold the returned string is
** obtained from HeapAlloc().
** Taken from the sqlite3 source tree
** status: Public Domain
*/
static char *unicodeToUtf8(const WCHAR *zWideFilename) {
char *zFilename;
int nByte;
nByte = WideCharToMultiByte(CP_UTF8, 0, zWideFilename, -1, 0, 0, 0, 0);
zFilename = (char *)HeapAlloc(GetProcessHeap(), 0, nByte);
if(zFilename == 0) {
return 0;
}
nByte = WideCharToMultiByte(CP_UTF8, 0, zWideFilename, -1, zFilename, nByte, 0, 0);
if(nByte == 0) {
HeapFree(GetProcessHeap(), 0, zFilename);
return 0;
}
return zFilename;
}
/* int (*xchdir)(const char *) */
static int WinVfs_chdir(const char *zPath) {
void *pConverted;
BOOL rc;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
rc = SetCurrentDirectoryW((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
return rc ? PH7_OK : -1;
}
/* int (*xGetcwd)(ph7_context *) */
static int WinVfs_getcwd(ph7_context *pCtx) {
WCHAR zDir[2048];
char *zConverted;
DWORD rc;
/* Get the current directory */
rc = GetCurrentDirectoryW(sizeof(zDir), zDir);
if(rc < 1) {
return -1;
}
zConverted = unicodeToUtf8(zDir);
if(zConverted == 0) {
return -1;
}
ph7_result_string(pCtx, zConverted, -1/*Compute length automatically*/); /* Will make it's own copy */
HeapFree(GetProcessHeap(), 0, zConverted);
return PH7_OK;
}
/* int (*xMkdir)(const char *,int,int) */
static int WinVfs_mkdir(const char *zPath, int mode, int recursive) {
void *pConverted;
BOOL rc;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
mode = 0; /* MSVC warning */
recursive = 0;
rc = CreateDirectoryW((LPCWSTR)pConverted, 0);
HeapFree(GetProcessHeap(), 0, pConverted);
return rc ? PH7_OK : -1;
}
/* int (*xRmdir)(const char *) */
static int WinVfs_rmdir(const char *zPath) {
void *pConverted;
BOOL rc;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
rc = RemoveDirectoryW((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
return rc ? PH7_OK : -1;
}
/* int (*xIsdir)(const char *) */
static int WinVfs_isdir(const char *zPath) {
void *pConverted;
DWORD dwAttr;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
dwAttr = GetFileAttributesW((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
if(dwAttr == INVALID_FILE_ATTRIBUTES) {
return -1;
}
return (dwAttr & FILE_ATTRIBUTE_DIRECTORY) ? PH7_OK : -1;
}
/* int (*xRename)(const char *,const char *) */
static int WinVfs_Rename(const char *zOld, const char *zNew) {
void *pOld, *pNew;
BOOL rc = 0;
pOld = convertUtf8Filename(zOld);
if(pOld == 0) {
return -1;
}
pNew = convertUtf8Filename(zNew);
if(pNew) {
rc = MoveFileW((LPCWSTR)pOld, (LPCWSTR)pNew);
}
HeapFree(GetProcessHeap(), 0, pOld);
if(pNew) {
HeapFree(GetProcessHeap(), 0, pNew);
}
return rc ? PH7_OK : - 1;
}
/* int (*xRealpath)(const char *,ph7_context *) */
static int WinVfs_Realpath(const char *zPath, ph7_context *pCtx) {
WCHAR zTemp[2048];
void *pPath;
char *zReal;
DWORD n;
pPath = convertUtf8Filename(zPath);
if(pPath == 0) {
return -1;
}
n = GetFullPathNameW((LPCWSTR)pPath, 0, 0, 0);
if(n > 0) {
if(n >= sizeof(zTemp)) {
n = sizeof(zTemp) - 1;
}
GetFullPathNameW((LPCWSTR)pPath, n, zTemp, 0);
}
HeapFree(GetProcessHeap(), 0, pPath);
if(!n) {
return -1;
}
zReal = unicodeToUtf8(zTemp);
if(zReal == 0) {
return -1;
}
ph7_result_string(pCtx, zReal, -1); /* Will make it's own copy */
HeapFree(GetProcessHeap(), 0, zReal);
return PH7_OK;
}
/* int (*xSleep)(unsigned int) */
static int WinVfs_Sleep(unsigned int uSec) {
Sleep(uSec / 1000/*uSec per Millisec */);
return PH7_OK;
}
/* int (*xUnlink)(const char *) */
static int WinVfs_unlink(const char *zPath) {
void *pConverted;
BOOL rc;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
rc = DeleteFileW((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
return rc ? PH7_OK : - 1;
}
/* ph7_int64 (*xFreeSpace)(const char *) */
static ph7_int64 WinVfs_DiskFreeSpace(const char *zPath) {
#ifdef _WIN32_WCE
/* GetDiskFreeSpace is not supported under WINCE */
SXUNUSED(zPath);
return 0;
#else
DWORD dwSectPerClust, dwBytesPerSect, dwFreeClusters, dwTotalClusters;
void *pConverted;
WCHAR *p;
BOOL rc;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return 0;
}
p = (WCHAR *)pConverted;
for(; *p; p++) {
if(*p == '\\' || *p == '/') {
*p = '\0';
break;
}
}
rc = GetDiskFreeSpaceW((LPCWSTR)pConverted, &dwSectPerClust, &dwBytesPerSect, &dwFreeClusters, &dwTotalClusters);
if(!rc) {
return 0;
}
return (ph7_int64)dwFreeClusters * dwSectPerClust * dwBytesPerSect;
#endif
}
/* ph7_int64 (*xTotalSpace)(const char *) */
static ph7_int64 WinVfs_DiskTotalSpace(const char *zPath) {
#ifdef _WIN32_WCE
/* GetDiskFreeSpace is not supported under WINCE */
SXUNUSED(zPath);
return 0;
#else
DWORD dwSectPerClust, dwBytesPerSect, dwFreeClusters, dwTotalClusters;
void *pConverted;
WCHAR *p;
BOOL rc;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return 0;
}
p = (WCHAR *)pConverted;
for(; *p; p++) {
if(*p == '\\' || *p == '/') {
*p = '\0';
break;
}
}
rc = GetDiskFreeSpaceW((LPCWSTR)pConverted, &dwSectPerClust, &dwBytesPerSect, &dwFreeClusters, &dwTotalClusters);
if(!rc) {
return 0;
}
return (ph7_int64)dwTotalClusters * dwSectPerClust * dwBytesPerSect;
#endif
}
/* int (*xFileExists)(const char *) */
static int WinVfs_FileExists(const char *zPath) {
void *pConverted;
DWORD dwAttr;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
dwAttr = GetFileAttributesW((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
if(dwAttr == INVALID_FILE_ATTRIBUTES) {
return -1;
}
return PH7_OK;
}
/* Open a file in a read-only mode */
static HANDLE OpenReadOnly(LPCWSTR pPath) {
DWORD dwType = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS;
DWORD dwShare = FILE_SHARE_READ | FILE_SHARE_WRITE;
DWORD dwAccess = GENERIC_READ;
DWORD dwCreate = OPEN_EXISTING;
HANDLE pHandle;
pHandle = CreateFileW(pPath, dwAccess, dwShare, 0, dwCreate, dwType, 0);
if(pHandle == INVALID_HANDLE_VALUE) {
return 0;
}
return pHandle;
}
/* ph7_int64 (*xFileSize)(const char *) */
static ph7_int64 WinVfs_FileSize(const char *zPath) {
DWORD dwLow, dwHigh;
void *pConverted;
ph7_int64 nSize;
HANDLE pHandle;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
/* Open the file in read-only mode */
pHandle = OpenReadOnly((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
if(pHandle) {
dwLow = GetFileSize(pHandle, &dwHigh);
nSize = dwHigh;
nSize <<= 32;
nSize += dwLow;
CloseHandle(pHandle);
} else {
nSize = -1;
}
return nSize;
}
#define TICKS_PER_SECOND 10000000
#define EPOCH_DIFFERENCE 11644473600LL
/* Convert Windows timestamp to UNIX timestamp */
static ph7_int64 convertWindowsTimeToUnixTime(LPFILETIME pTime) {
ph7_int64 input, temp;
input = pTime->dwHighDateTime;
input <<= 32;
input += pTime->dwLowDateTime;
temp = input / TICKS_PER_SECOND; /*convert from 100ns intervals to seconds*/
temp = temp - EPOCH_DIFFERENCE; /*subtract number of seconds between epochs*/
return temp;
}
/* Convert UNIX timestamp to Windows timestamp */
static void convertUnixTimeToWindowsTime(ph7_int64 nUnixtime, LPFILETIME pOut) {
ph7_int64 result = EPOCH_DIFFERENCE;
result += nUnixtime;
result *= 10000000LL;
pOut->dwHighDateTime = (DWORD)(nUnixtime >> 32);
pOut->dwLowDateTime = (DWORD)nUnixtime;
}
/* int (*xTouch)(const char *,ph7_int64,ph7_int64) */
static int WinVfs_Touch(const char *zPath, ph7_int64 touch_time, ph7_int64 access_time) {
FILETIME sTouch, sAccess;
void *pConverted;
void *pHandle;
BOOL rc = 0;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
pHandle = OpenReadOnly((LPCWSTR)pConverted);
if(pHandle) {
if(touch_time < 0) {
GetSystemTimeAsFileTime(&sTouch);
} else {
convertUnixTimeToWindowsTime(touch_time, &sTouch);
}
if(access_time < 0) {
/* Use the touch time */
sAccess = sTouch; /* Structure assignment */
} else {
convertUnixTimeToWindowsTime(access_time, &sAccess);
}
rc = SetFileTime(pHandle, &sTouch, &sAccess, 0);
/* Close the handle */
CloseHandle(pHandle);
}
HeapFree(GetProcessHeap(), 0, pConverted);
return rc ? PH7_OK : -1;
}
/* ph7_int64 (*xFileAtime)(const char *) */
static ph7_int64 WinVfs_FileAtime(const char *zPath) {
BY_HANDLE_FILE_INFORMATION sInfo;
void *pConverted;
ph7_int64 atime;
HANDLE pHandle;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
/* Open the file in read-only mode */
pHandle = OpenReadOnly((LPCWSTR)pConverted);
if(pHandle) {
BOOL rc;
rc = GetFileInformationByHandle(pHandle, &sInfo);
if(rc) {
atime = convertWindowsTimeToUnixTime(&sInfo.ftLastAccessTime);
} else {
atime = -1;
}
CloseHandle(pHandle);
} else {
atime = -1;
}
HeapFree(GetProcessHeap(), 0, pConverted);
return atime;
}
/* ph7_int64 (*xFileMtime)(const char *) */
static ph7_int64 WinVfs_FileMtime(const char *zPath) {
BY_HANDLE_FILE_INFORMATION sInfo;
void *pConverted;
ph7_int64 mtime;
HANDLE pHandle;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
/* Open the file in read-only mode */
pHandle = OpenReadOnly((LPCWSTR)pConverted);
if(pHandle) {
BOOL rc;
rc = GetFileInformationByHandle(pHandle, &sInfo);
if(rc) {
mtime = convertWindowsTimeToUnixTime(&sInfo.ftLastWriteTime);
} else {
mtime = -1;
}
CloseHandle(pHandle);
} else {
mtime = -1;
}
HeapFree(GetProcessHeap(), 0, pConverted);
return mtime;
}
/* ph7_int64 (*xFileCtime)(const char *) */
static ph7_int64 WinVfs_FileCtime(const char *zPath) {
BY_HANDLE_FILE_INFORMATION sInfo;
void *pConverted;
ph7_int64 ctime;
HANDLE pHandle;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
/* Open the file in read-only mode */
pHandle = OpenReadOnly((LPCWSTR)pConverted);
if(pHandle) {
BOOL rc;
rc = GetFileInformationByHandle(pHandle, &sInfo);
if(rc) {
ctime = convertWindowsTimeToUnixTime(&sInfo.ftCreationTime);
} else {
ctime = -1;
}
CloseHandle(pHandle);
} else {
ctime = -1;
}
HeapFree(GetProcessHeap(), 0, pConverted);
return ctime;
}
/* ph7_int64 (*xFileGroup)(const char *) */
static int WinVfs_FileGroup(const char *zPath) {
BY_HANDLE_FILE_INFORMATION sInfo;
void *pConverted;
ph7_int64 group;
HANDLE pHandle;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
/* Open the file in read-only mode */
pHandle = OpenReadOnly((LPCWSTR)pConverted);
if(pHandle) {
group = 0;
CloseHandle(pHandle);
} else {
group = -1;
}
HeapFree(GetProcessHeap(), 0, pConverted);
return group;
}
/* ph7_int64 (*xFileInode)(const char *) */
static int WinVfs_FileInode(const char *zPath) {
BY_HANDLE_FILE_INFORMATION sInfo;
void *pConverted;
ph7_int64 inode;
HANDLE pHandle;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
/* Open the file in read-only mode */
pHandle = OpenReadOnly((LPCWSTR)pConverted);
if(pHandle) {
BOOL rc;
rc = GetFileInformationByHandle(pHandle, &sInfo);
if(rc) {
inode = (ph7_int64)(((ph7_int64)sInfo.nFileIndexHigh << 32) | sInfo.nFileIndexLow);
} else {
inode = -1;
}
CloseHandle(pHandle);
} else {
inode = -1;
}
HeapFree(GetProcessHeap(), 0, pConverted);
return inode;
}
/* ph7_int64 (*xFileOwner)(const char *) */
static int WinVfs_FileOwner(const char *zPath) {
BY_HANDLE_FILE_INFORMATION sInfo;
void *pConverted;
ph7_int64 owner;
HANDLE pHandle;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
/* Open the file in read-only mode */
pHandle = OpenReadOnly((LPCWSTR)pConverted);
if(pHandle) {
owner = 0;
CloseHandle(pHandle);
} else {
owner = -1;
}
HeapFree(GetProcessHeap(), 0, pConverted);
return owner;
}
/* int (*xStat)(const char *,ph7_value *,ph7_value *) */
/* int (*xlStat)(const char *,ph7_value *,ph7_value *) */
static int WinVfs_Stat(const char *zPath, ph7_value *pArray, ph7_value *pWorker) {
BY_HANDLE_FILE_INFORMATION sInfo;
void *pConverted;
HANDLE pHandle;
BOOL rc;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
/* Open the file in read-only mode */
pHandle = OpenReadOnly((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
if(pHandle == 0) {
return -1;
}
rc = GetFileInformationByHandle(pHandle, &sInfo);
CloseHandle(pHandle);
if(!rc) {
return -1;
}
/* dev */
ph7_value_int64(pWorker, (ph7_int64)sInfo.dwVolumeSerialNumber);
ph7_array_add_strkey_elem(pArray, "dev", pWorker); /* Will make it's own copy */
/* ino */
ph7_value_int64(pWorker, (ph7_int64)(((ph7_int64)sInfo.nFileIndexHigh << 32) | sInfo.nFileIndexLow));
ph7_array_add_strkey_elem(pArray, "ino", pWorker); /* Will make it's own copy */
/* mode */
ph7_value_int(pWorker, 0);
ph7_array_add_strkey_elem(pArray, "mode", pWorker);
/* nlink */
ph7_value_int(pWorker, (int)sInfo.nNumberOfLinks);
ph7_array_add_strkey_elem(pArray, "nlink", pWorker); /* Will make it's own copy */
/* uid,gid,rdev */
ph7_value_int(pWorker, 0);
ph7_array_add_strkey_elem(pArray, "uid", pWorker);
ph7_array_add_strkey_elem(pArray, "gid", pWorker);
ph7_array_add_strkey_elem(pArray, "rdev", pWorker);
/* size */
ph7_value_int64(pWorker, (ph7_int64)(((ph7_int64)sInfo.nFileSizeHigh << 32) | sInfo.nFileSizeLow));
ph7_array_add_strkey_elem(pArray, "size", pWorker); /* Will make it's own copy */
/* atime */
ph7_value_int64(pWorker, convertWindowsTimeToUnixTime(&sInfo.ftLastAccessTime));
ph7_array_add_strkey_elem(pArray, "atime", pWorker); /* Will make it's own copy */
/* mtime */
ph7_value_int64(pWorker, convertWindowsTimeToUnixTime(&sInfo.ftLastWriteTime));
ph7_array_add_strkey_elem(pArray, "mtime", pWorker); /* Will make it's own copy */
/* ctime */
ph7_value_int64(pWorker, convertWindowsTimeToUnixTime(&sInfo.ftCreationTime));
ph7_array_add_strkey_elem(pArray, "ctime", pWorker); /* Will make it's own copy */
/* blksize,blocks */
ph7_value_int(pWorker, 0);
ph7_array_add_strkey_elem(pArray, "blksize", pWorker);
ph7_array_add_strkey_elem(pArray, "blocks", pWorker);
return PH7_OK;
}
/* int (*xIsFile)(const char *) */
static int WinVfs_isFile(const char *zPath) {
void *pConverted;
DWORD dwAttr;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
dwAttr = GetFileAttributesW((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
if(dwAttr == INVALID_FILE_ATTRIBUTES) {
return -1;
}
return (dwAttr & (FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_ARCHIVE)) ? PH7_OK : -1;
}
/* int (*xIsLink)(const char *) */
static int WinVfs_isLink(const char *zPath) {
void *pConverted;
DWORD dwAttr;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
dwAttr = GetFileAttributesW((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
if(dwAttr == INVALID_FILE_ATTRIBUTES) {
return -1;
}
return (dwAttr & FILE_ATTRIBUTE_REPARSE_POINT) ? PH7_OK : -1;
}
/* int (*xWritable)(const char *) */
static int WinVfs_isWritable(const char *zPath) {
void *pConverted;
DWORD dwAttr;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
dwAttr = GetFileAttributesW((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
if(dwAttr == INVALID_FILE_ATTRIBUTES) {
return -1;
}
if((dwAttr & (FILE_ATTRIBUTE_ARCHIVE | FILE_ATTRIBUTE_NORMAL)) == 0) {
/* Not a regular file */
return -1;
}
if(dwAttr & FILE_ATTRIBUTE_READONLY) {
/* Read-only file */
return -1;
}
/* File is writable */
return PH7_OK;
}
/* int (*xExecutable)(const char *) */
static int WinVfs_isExecutable(const char *zPath) {
void *pConverted;
DWORD dwAttr;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
dwAttr = GetFileAttributesW((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
if(dwAttr == INVALID_FILE_ATTRIBUTES) {
return -1;
}
if((dwAttr & FILE_ATTRIBUTE_NORMAL) == 0) {
/* Not a regular file */
return -1;
}
/* File is executable */
return PH7_OK;
}
/* int (*xFiletype)(const char *,ph7_context *) */
static int WinVfs_Filetype(const char *zPath, ph7_context *pCtx) {
void *pConverted;
DWORD dwAttr;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
/* Expand 'unknown' */
ph7_result_string(pCtx, "unknown", sizeof("unknown") - 1);
return -1;
}
dwAttr = GetFileAttributesW((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
if(dwAttr == INVALID_FILE_ATTRIBUTES) {
/* Expand 'unknown' */
ph7_result_string(pCtx, "unknown", sizeof("unknown") - 1);
return -1;
}
if(dwAttr & (FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_NORMAL | FILE_ATTRIBUTE_ARCHIVE)) {
ph7_result_string(pCtx, "file", sizeof("file") - 1);
} else if(dwAttr & FILE_ATTRIBUTE_DIRECTORY) {
ph7_result_string(pCtx, "dir", sizeof("dir") - 1);
} else if(dwAttr & FILE_ATTRIBUTE_REPARSE_POINT) {
ph7_result_string(pCtx, "link", sizeof("link") - 1);
} else if(dwAttr & (FILE_ATTRIBUTE_DEVICE)) {
ph7_result_string(pCtx, "block", sizeof("block") - 1);
} else {
ph7_result_string(pCtx, "unknown", sizeof("unknown") - 1);
}
return PH7_OK;
}
/* int (*xGetenv)(const char *,ph7_context *) */
static int WinVfs_Getenv(const char *zVar, ph7_context *pCtx) {
char zValue[1024];
DWORD n;
/*
* According to MSDN
* If lpBuffer is not large enough to hold the data, the return
* value is the buffer size, in characters, required to hold the
* string and its terminating null character and the contents
* of lpBuffer are undefined.
*/
n = sizeof(zValue);
SyMemcpy("Undefined", zValue, sizeof("Undefined") - 1);
/* Extract the environment value */
n = GetEnvironmentVariableA(zVar, zValue, sizeof(zValue));
if(!n) {
/* No such variable*/
return -1;
}
ph7_result_string(pCtx, zValue, (int)n);
return PH7_OK;
}
/* int (*xSetenv)(const char *,const char *) */
static int WinVfs_Setenv(const char *zName, const char *zValue) {
BOOL rc;
rc = SetEnvironmentVariableA(zName, zValue);
return rc ? PH7_OK : -1;
}
/* int (*xMmap)(const char *,void **,ph7_int64 *) */
static int WinVfs_Mmap(const char *zPath, void **ppMap, ph7_int64 *pSize) {
DWORD dwSizeLow, dwSizeHigh;
HANDLE pHandle, pMapHandle;
void *pConverted, *pView;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
pHandle = OpenReadOnly((LPCWSTR)pConverted);
HeapFree(GetProcessHeap(), 0, pConverted);
if(pHandle == 0) {
return -1;
}
/* Get the file size */
dwSizeLow = GetFileSize(pHandle, &dwSizeHigh);
/* Create the mapping */
pMapHandle = CreateFileMappingW(pHandle, 0, PAGE_READONLY, dwSizeHigh, dwSizeLow, 0);
if(pMapHandle == 0) {
CloseHandle(pHandle);
return -1;
}
*pSize = ((ph7_int64)dwSizeHigh << 32) | dwSizeLow;
/* Obtain the view */
pView = MapViewOfFile(pMapHandle, FILE_MAP_READ, 0, 0, (SIZE_T)(*pSize));
if(pView) {
/* Let the upper layer point to the view */
*ppMap = pView;
}
/* Close the handle
* According to MSDN it's OK the close the HANDLES.
*/
CloseHandle(pMapHandle);
CloseHandle(pHandle);
return pView ? PH7_OK : -1;
}
/* void (*xUnmap)(void *,ph7_int64) */
static void WinVfs_Unmap(void *pView, ph7_int64 nSize) {
nSize = 0; /* Compiler warning */
UnmapViewOfFile(pView);
}
/* void (*xTempDir)(ph7_context *) */
static void WinVfs_TempDir(ph7_context *pCtx) {
CHAR zTemp[1024];
DWORD n;
n = GetTempPathA(sizeof(zTemp), zTemp);
if(n < 1) {
/* Assume the default windows temp directory */
ph7_result_string(pCtx, "C:\\Windows\\Temp", -1/*Compute length automatically*/);
} else {
ph7_result_string(pCtx, zTemp, (int)n);
}
}
/* unsigned int (*xProcessId)(void) */
static unsigned int WinVfs_ProcessId(void) {
DWORD nID = 0;
#ifndef __MINGW32__
nID = GetProcessId(GetCurrentProcess());
#endif /* __MINGW32__ */
return (unsigned int)nID;
}
/* void (*xUsername)(ph7_context *) */
static void WinVfs_Username(ph7_context *pCtx) {
WCHAR zUser[1024];
DWORD nByte;
BOOL rc;
nByte = sizeof(zUser);
rc = GetUserNameW(zUser, &nByte);
if(!rc) {
/* Set a dummy name */
ph7_result_string(pCtx, "Unknown", sizeof("Unknown") - 1);
} else {
char *zName;
zName = unicodeToUtf8(zUser);
if(zName == 0) {
ph7_result_string(pCtx, "Unknown", sizeof("Unknown") - 1);
} else {
ph7_result_string(pCtx, zName, -1/*Compute length automatically*/); /* Will make it's own copy */
HeapFree(GetProcessHeap(), 0, zName);
}
}
}
/* Export the windows vfs */
static const ph7_vfs sWinVfs = {
"WinVFS",
PH7_VFS_VERSION,
WinVfs_chdir, /* int (*xChdir)(const char *) */
0, /* int (*xChroot)(const char *); */
WinVfs_getcwd, /* int (*xGetcwd)(ph7_context *) */
WinVfs_mkdir, /* int (*xMkdir)(const char *,int,int) */
WinVfs_rmdir, /* int (*xRmdir)(const char *) */
WinVfs_isdir, /* int (*xIsdir)(const char *) */
WinVfs_Rename, /* int (*xRename)(const char *,const char *) */
WinVfs_Realpath, /*int (*xRealpath)(const char *,ph7_context *)*/
WinVfs_Sleep, /* int (*xSleep)(unsigned int) */
WinVfs_unlink, /* int (*xUnlink)(const char *) */
WinVfs_FileExists, /* int (*xFileExists)(const char *) */
0, /*int (*xChmod)(const char *,int)*/
0, /*int (*xChown)(const char *,const char *)*/
0, /*int (*xChgrp)(const char *,const char *)*/
WinVfs_DiskFreeSpace,/* ph7_int64 (*xFreeSpace)(const char *) */
WinVfs_DiskTotalSpace,/* ph7_int64 (*xTotalSpace)(const char *) */
WinVfs_FileSize, /* ph7_int64 (*xFileSize)(const char *) */
WinVfs_FileAtime,/* ph7_int64 (*xFileAtime)(const char *) */
WinVfs_FileMtime,/* ph7_int64 (*xFileMtime)(const char *) */
WinVfs_FileCtime,/* ph7_int64 (*xFileCtime)(const char *) */
WinVfs_FileGroup,/* ph7_int64 (*xFileGroup)(const char *) */
WinVfs_FileInode,/* ph7_int64 (*xFileInode)(const char *) */
WinVfs_FileOwner,/* ph7_int64 (*xFileOwner)(const char *) */
WinVfs_Stat, /* int (*xStat)(const char *,ph7_value *,ph7_value *) */
WinVfs_Stat, /* int (*xlStat)(const char *,ph7_value *,ph7_value *) */
WinVfs_isFile, /* int (*xIsFile)(const char *) */
WinVfs_isLink, /* int (*xIsLink)(const char *) */
WinVfs_isFile, /* int (*xReadable)(const char *) */
WinVfs_isWritable, /* int (*xWritable)(const char *) */
WinVfs_isExecutable, /* int (*xExecutable)(const char *) */
WinVfs_Filetype, /* int (*xFiletype)(const char *,ph7_context *) */
WinVfs_Getenv, /* int (*xGetenv)(const char *,ph7_context *) */
WinVfs_Setenv, /* int (*xSetenv)(const char *,const char *) */
WinVfs_Touch, /* int (*xTouch)(const char *,ph7_int64,ph7_int64) */
WinVfs_Mmap, /* int (*xMmap)(const char *,void **,ph7_int64 *) */
WinVfs_Unmap, /* void (*xUnmap)(void *,ph7_int64); */
0, /* int (*xLink)(const char *,const char *,int) */
0, /* int (*xUmask)(int) */
WinVfs_TempDir, /* void (*xTempDir)(ph7_context *) */
WinVfs_ProcessId, /* unsigned int (*xProcessId)(void) */
0, /* int (*xUid)(void) */
0, /* int (*xGid)(void) */
WinVfs_Username /* void (*xUsername)(ph7_context *) */
};
/* Windows file IO */
#ifndef INVALID_SET_FILE_POINTER
#define INVALID_SET_FILE_POINTER ((DWORD)-1)
#endif
/* int (*xOpen)(const char *,int,ph7_value *,void **) */
static int WinFile_Open(const char *zPath, int iOpenMode, ph7_value *pResource, void **ppHandle) {
DWORD dwType = FILE_ATTRIBUTE_NORMAL | FILE_FLAG_RANDOM_ACCESS;
DWORD dwAccess = GENERIC_READ;
DWORD dwShare, dwCreate;
void *pConverted;
HANDLE pHandle;
pConverted = convertUtf8Filename(zPath);
if(pConverted == 0) {
return -1;
}
/* Set the desired flags according to the open mode */
if(iOpenMode & PH7_IO_OPEN_CREATE) {
/* Open existing file, or create if it doesn't exist */
dwCreate = OPEN_ALWAYS;
if(iOpenMode & PH7_IO_OPEN_TRUNC) {
/* If the specified file exists and is writable, the function overwrites the file */
dwCreate = CREATE_ALWAYS;
}
} else if(iOpenMode & PH7_IO_OPEN_EXCL) {
/* Creates a new file, only if it does not already exist.
* If the file exists, it fails.
*/
dwCreate = CREATE_NEW;
} else if(iOpenMode & PH7_IO_OPEN_TRUNC) {
/* Opens a file and truncates it so that its size is zero bytes
* The file must exist.
*/
dwCreate = TRUNCATE_EXISTING;
} else {
/* Opens a file, only if it exists. */
dwCreate = OPEN_EXISTING;
}
if(iOpenMode & PH7_IO_OPEN_RDWR) {
/* Read+Write access */
dwAccess |= GENERIC_WRITE;
} else if(iOpenMode & PH7_IO_OPEN_WRONLY) {
/* Write only access */
dwAccess = GENERIC_WRITE;
}
if(iOpenMode & PH7_IO_OPEN_APPEND) {
/* Append mode */
dwAccess = FILE_APPEND_DATA;
}
if(iOpenMode & PH7_IO_OPEN_TEMP) {
/* File is temporary */
dwType = FILE_ATTRIBUTE_TEMPORARY;
}
dwShare = FILE_SHARE_READ | FILE_SHARE_WRITE;
pHandle = CreateFileW((LPCWSTR)pConverted, dwAccess, dwShare, 0, dwCreate, dwType, 0);
HeapFree(GetProcessHeap(), 0, pConverted);
if(pHandle == INVALID_HANDLE_VALUE) {
SXUNUSED(pResource); /* MSVC warning */
return -1;
}
/* Make the handle accessible to the upper layer */
*ppHandle = (void *)pHandle;
return PH7_OK;
}
/* An instance of the following structure is used to record state information
* while iterating throw directory entries.
*/
typedef struct WinDir_Info WinDir_Info;
struct WinDir_Info {
HANDLE pDirHandle;
void *pPath;
WIN32_FIND_DATAW sInfo;
int rc;
};
/* int (*xOpenDir)(const char *,ph7_value *,void **) */
static int WinDir_Open(const char *zPath, ph7_value *pResource, void **ppHandle) {
WinDir_Info *pDirInfo;
void *pConverted;
char *zPrep;
sxu32 n;
/* Prepare the path */
n = SyStrlen(zPath);
zPrep = (char *)HeapAlloc(GetProcessHeap(), 0, n + sizeof("\\*") + 4);
if(zPrep == 0) {
return -1;
}
SyMemcpy((const void *)zPath, zPrep, n);
zPrep[n] = '\\';
zPrep[n + 1] = '*';
zPrep[n + 2] = 0;
pConverted = convertUtf8Filename(zPrep);
HeapFree(GetProcessHeap(), 0, zPrep);
if(pConverted == 0) {
return -1;
}
/* Allocate a new instance */
pDirInfo = (WinDir_Info *)HeapAlloc(GetProcessHeap(), 0, sizeof(WinDir_Info));
if(pDirInfo == 0) {
pResource = 0; /* Compiler warning */
return -1;
}
pDirInfo->rc = SXRET_OK;
pDirInfo->pDirHandle = FindFirstFileW((LPCWSTR)pConverted, &pDirInfo->sInfo);
if(pDirInfo->pDirHandle == INVALID_HANDLE_VALUE) {
/* Cannot open directory */
HeapFree(GetProcessHeap(), 0, pConverted);
HeapFree(GetProcessHeap(), 0, pDirInfo);
return -1;
}
/* Save the path */
pDirInfo->pPath = pConverted;
/* Save our structure */
*ppHandle = pDirInfo;
return PH7_OK;
}
/* void (*xCloseDir)(void *) */
static void WinDir_Close(void *pUserData) {
WinDir_Info *pDirInfo = (WinDir_Info *)pUserData;
if(pDirInfo->pDirHandle != INVALID_HANDLE_VALUE) {
FindClose(pDirInfo->pDirHandle);
}
HeapFree(GetProcessHeap(), 0, pDirInfo->pPath);
HeapFree(GetProcessHeap(), 0, pDirInfo);
}
/* void (*xClose)(void *); */
static void WinFile_Close(void *pUserData) {
HANDLE pHandle = (HANDLE)pUserData;
CloseHandle(pHandle);
}
/* int (*xReadDir)(void *,ph7_context *) */
static int WinDir_Read(void *pUserData, ph7_context *pCtx) {
WinDir_Info *pDirInfo = (WinDir_Info *)pUserData;
LPWIN32_FIND_DATAW pData;
char *zName;
BOOL rc;
sxu32 n;
if(pDirInfo->rc != SXRET_OK) {
/* No more entry to process */
return -1;
}
pData = &pDirInfo->sInfo;
for(;;) {
zName = unicodeToUtf8(pData->cFileName);
if(zName == 0) {
/* Out of memory */
return -1;
}
n = SyStrlen(zName);
/* Ignore '.' && '..' */
if(n > sizeof("..") - 1 || zName[0] != '.' || (n == sizeof("..") - 1 && zName[1] != '.')) {
break;
}
HeapFree(GetProcessHeap(), 0, zName);
rc = FindNextFileW(pDirInfo->pDirHandle, &pDirInfo->sInfo);
if(!rc) {
return -1;
}
}
/* Return the current file name */
ph7_result_string(pCtx, zName, -1);
HeapFree(GetProcessHeap(), 0, zName);
/* Point to the next entry */
rc = FindNextFileW(pDirInfo->pDirHandle, &pDirInfo->sInfo);
if(!rc) {
pDirInfo->rc = SXERR_EOF;
}
return PH7_OK;
}
/* void (*xRewindDir)(void *) */
static void WinDir_RewindDir(void *pUserData) {
WinDir_Info *pDirInfo = (WinDir_Info *)pUserData;
FindClose(pDirInfo->pDirHandle);
pDirInfo->pDirHandle = FindFirstFileW((LPCWSTR)pDirInfo->pPath, &pDirInfo->sInfo);
if(pDirInfo->pDirHandle == INVALID_HANDLE_VALUE) {
pDirInfo->rc = SXERR_EOF;
} else {
pDirInfo->rc = SXRET_OK;
}
}
/* ph7_int64 (*xRead)(void *,void *,ph7_int64); */
static ph7_int64 WinFile_Read(void *pOS, void *pBuffer, ph7_int64 nDatatoRead) {
HANDLE pHandle = (HANDLE)pOS;
DWORD nRd;
BOOL rc;
rc = ReadFile(pHandle, pBuffer, (DWORD)nDatatoRead, &nRd, 0);
if(!rc) {
/* EOF or IO error */
return -1;
}
return (ph7_int64)nRd;
}
/* ph7_int64 (*xWrite)(void *,const void *,ph7_int64); */
static ph7_int64 WinFile_Write(void *pOS, const void *pBuffer, ph7_int64 nWrite) {
const char *zData = (const char *)pBuffer;
HANDLE pHandle = (HANDLE)pOS;
ph7_int64 nCount;
DWORD nWr;
BOOL rc;
nWr = 0;
nCount = 0;
for(;;) {
if(nWrite < 1) {
break;
}
rc = WriteFile(pHandle, zData, (DWORD)nWrite, &nWr, 0);
if(!rc) {
/* IO error */
break;
}
nWrite -= nWr;
nCount += nWr;
zData += nWr;
}
if(nWrite > 0) {
return -1;
}
return nCount;
}
/* int (*xSeek)(void *,ph7_int64,int) */
static int WinFile_Seek(void *pUserData, ph7_int64 iOfft, int whence) {
HANDLE pHandle = (HANDLE)pUserData;
DWORD dwMove, dwNew;
LONG nHighOfft;
switch(whence) {
case 1:/*SEEK_CUR*/
dwMove = FILE_CURRENT;
break;
case 2: /* SEEK_END */
dwMove = FILE_END;
break;
case 0: /* SEEK_SET */
default:
dwMove = FILE_BEGIN;
break;
}
nHighOfft = (LONG)(iOfft >> 32);
dwNew = SetFilePointer(pHandle, (LONG)iOfft, &nHighOfft, dwMove);
if(dwNew == INVALID_SET_FILE_POINTER) {
return -1;
}
return PH7_OK;
}
/* int (*xLock)(void *,int) */
static int WinFile_Lock(void *pUserData, int lock_type) {
HANDLE pHandle = (HANDLE)pUserData;
static DWORD dwLo = 0, dwHi = 0; /* xx: MT-SAFE */
OVERLAPPED sDummy;
BOOL rc;
SyZero(&sDummy, sizeof(sDummy));
/* Get the file size */
if(lock_type < 1) {
/* Unlock the file */
rc = UnlockFileEx(pHandle, 0, dwLo, dwHi, &sDummy);
} else {
DWORD dwFlags = LOCKFILE_FAIL_IMMEDIATELY; /* Shared non-blocking lock by default*/
/* Lock the file */
if(lock_type == 1 /* LOCK_EXCL */) {
dwFlags |= LOCKFILE_EXCLUSIVE_LOCK;
}
dwLo = GetFileSize(pHandle, &dwHi);
rc = LockFileEx(pHandle, dwFlags, 0, dwLo, dwHi, &sDummy);
}
return rc ? PH7_OK : -1 /* Lock error */;
}
/* ph7_int64 (*xTell)(void *) */
static ph7_int64 WinFile_Tell(void *pUserData) {
HANDLE pHandle = (HANDLE)pUserData;
DWORD dwNew;
dwNew = SetFilePointer(pHandle, 0, 0, FILE_CURRENT/* SEEK_CUR */);
if(dwNew == INVALID_SET_FILE_POINTER) {
return -1;
}
return (ph7_int64)dwNew;
}
/* int (*xTrunc)(void *,ph7_int64) */
static int WinFile_Trunc(void *pUserData, ph7_int64 nOfft) {
HANDLE pHandle = (HANDLE)pUserData;
LONG HighOfft;
DWORD dwNew;
BOOL rc;
HighOfft = (LONG)(nOfft >> 32);
dwNew = SetFilePointer(pHandle, (LONG)nOfft, &HighOfft, FILE_BEGIN);
if(dwNew == INVALID_SET_FILE_POINTER) {
return -1;
}
rc = SetEndOfFile(pHandle);
return rc ? PH7_OK : -1;
}
/* int (*xSync)(void *); */
static int WinFile_Sync(void *pUserData) {
HANDLE pHandle = (HANDLE)pUserData;
BOOL rc;
rc = FlushFileBuffers(pHandle);
return rc ? PH7_OK : - 1;
}
/* int (*xStat)(void *,ph7_value *,ph7_value *) */
static int WinFile_Stat(void *pUserData, ph7_value *pArray, ph7_value *pWorker) {
BY_HANDLE_FILE_INFORMATION sInfo;
HANDLE pHandle = (HANDLE)pUserData;
BOOL rc;
rc = GetFileInformationByHandle(pHandle, &sInfo);
if(!rc) {
return -1;
}
/* dev */
ph7_value_int64(pWorker, (ph7_int64)sInfo.dwVolumeSerialNumber);
ph7_array_add_strkey_elem(pArray, "dev", pWorker); /* Will make it's own copy */
/* ino */
ph7_value_int64(pWorker, (ph7_int64)(((ph7_int64)sInfo.nFileIndexHigh << 32) | sInfo.nFileIndexLow));
ph7_array_add_strkey_elem(pArray, "ino", pWorker); /* Will make it's own copy */
/* mode */
ph7_value_int(pWorker, 0);
ph7_array_add_strkey_elem(pArray, "mode", pWorker);
/* nlink */
ph7_value_int(pWorker, (int)sInfo.nNumberOfLinks);
ph7_array_add_strkey_elem(pArray, "nlink", pWorker); /* Will make it's own copy */
/* uid,gid,rdev */
ph7_value_int(pWorker, 0);
ph7_array_add_strkey_elem(pArray, "uid", pWorker);
ph7_array_add_strkey_elem(pArray, "gid", pWorker);
ph7_array_add_strkey_elem(pArray, "rdev", pWorker);
/* size */
ph7_value_int64(pWorker, (ph7_int64)(((ph7_int64)sInfo.nFileSizeHigh << 32) | sInfo.nFileSizeLow));
ph7_array_add_strkey_elem(pArray, "size", pWorker); /* Will make it's own copy */
/* atime */
ph7_value_int64(pWorker, convertWindowsTimeToUnixTime(&sInfo.ftLastAccessTime));
ph7_array_add_strkey_elem(pArray, "atime", pWorker); /* Will make it's own copy */
/* mtime */
ph7_value_int64(pWorker, convertWindowsTimeToUnixTime(&sInfo.ftLastWriteTime));
ph7_array_add_strkey_elem(pArray, "mtime", pWorker); /* Will make it's own copy */
/* ctime */
ph7_value_int64(pWorker, convertWindowsTimeToUnixTime(&sInfo.ftCreationTime));
ph7_array_add_strkey_elem(pArray, "ctime", pWorker); /* Will make it's own copy */
/* blksize,blocks */
ph7_value_int(pWorker, 0);
ph7_array_add_strkey_elem(pArray, "blksize", pWorker);
ph7_array_add_strkey_elem(pArray, "blocks", pWorker);
return PH7_OK;
}
/* Export the file:// stream */
static const ph7_io_stream sWinFileStream = {
"file", /* Stream name */
PH7_IO_STREAM_VERSION,
WinFile_Open, /* xOpen */
WinDir_Open, /* xOpenDir */
WinFile_Close, /* xClose */
WinDir_Close, /* xCloseDir */
WinFile_Read, /* xRead */
WinDir_Read, /* xReadDir */
WinFile_Write, /* xWrite */
WinFile_Seek, /* xSeek */
WinFile_Lock, /* xLock */
WinDir_RewindDir, /* xRewindDir */
WinFile_Tell, /* xTell */
WinFile_Trunc, /* xTrunc */
WinFile_Sync, /* xSeek */
WinFile_Stat /* xStat */
};
#elif defined(__UNIXES__)
/*
* UNIX VFS implementation for the PH7 engine.
* Authors:
* Symisc Systems,devel@symisc.net.
* Copyright (C) Symisc Systems,https://ph7.symisc.net
* Status:
* Stable.
*/
#include <sys/types.h>
#include <limits.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/uio.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/file.h>
#include <pwd.h>
#include <grp.h>
#include <dirent.h>
#include <utime.h>
#include <stdio.h>
#include <stdlib.h>
/* int (*xchdir)(const char *) */
static int UnixVfs_chdir(const char *zPath) {
int rc;
rc = chdir(zPath);
return rc == 0 ? PH7_OK : -1;
}
/* int (*xGetcwd)(ph7_context *) */
static int UnixVfs_getcwd(ph7_context *pCtx) {
char zBuf[4096];
char *zDir;
/* Get the current directory */
zDir = getcwd(zBuf, sizeof(zBuf));
if(zDir == 0) {
return -1;
}
ph7_result_string(pCtx, zDir, -1/*Compute length automatically*/);
return PH7_OK;
}
/* int (*xMkdir)(const char *,int,int) */
static int UnixVfs_mkdir(const char *zPath, int mode, int recursive) {
int rc;
rc = mkdir(zPath, mode);
recursive = 0; /* cc warning */
return rc == 0 ? PH7_OK : -1;
}
/* int (*xRmdir)(const char *) */
static int UnixVfs_rmdir(const char *zPath) {
int rc;
rc = rmdir(zPath);
return rc == 0 ? PH7_OK : -1;
}
/* int (*xIsdir)(const char *) */
static int UnixVfs_isdir(const char *zPath) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
rc = S_ISDIR(st.st_mode);
return rc ? PH7_OK : -1 ;
}
/* int (*xRename)(const char *,const char *) */
static int UnixVfs_Rename(const char *zOld, const char *zNew) {
int rc;
rc = rename(zOld, zNew);
return rc == 0 ? PH7_OK : -1;
}
/* int (*xRealpath)(const char *,ph7_context *) */
static int UnixVfs_Realpath(const char *zPath, ph7_context *pCtx) {
#ifndef PH7_UNIX_OLD_LIBC
char *zReal;
zReal = realpath(zPath, 0);
if(zReal == 0) {
return -1;
}
ph7_result_string(pCtx, zReal, -1/*Compute length automatically*/);
/* Release the allocated buffer */
free(zReal);
return PH7_OK;
#else
zPath = 0; /* cc warning */
pCtx = 0;
return -1;
#endif
}
/* int (*xSleep)(unsigned int) */
static int UnixVfs_Sleep(unsigned int uSec) {
usleep(uSec);
return PH7_OK;
}
/* int (*xUnlink)(const char *) */
static int UnixVfs_unlink(const char *zPath) {
int rc;
rc = unlink(zPath);
return rc == 0 ? PH7_OK : -1 ;
}
/* int (*xFileExists)(const char *) */
static int UnixVfs_FileExists(const char *zPath) {
int rc;
rc = access(zPath, F_OK);
return rc == 0 ? PH7_OK : -1;
}
/* ph7_int64 (*xFileSize)(const char *) */
static ph7_int64 UnixVfs_FileSize(const char *zPath) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
return (ph7_int64)st.st_size;
}
/* int (*xTouch)(const char *,ph7_int64,ph7_int64) */
static int UnixVfs_Touch(const char *zPath, ph7_int64 touch_time, ph7_int64 access_time) {
struct utimbuf ut;
int rc;
ut.actime = (time_t)access_time;
ut.modtime = (time_t)touch_time;
rc = utime(zPath, &ut);
if(rc != 0) {
return -1;
}
return PH7_OK;
}
/* ph7_int64 (*xFileAtime)(const char *) */
static ph7_int64 UnixVfs_FileAtime(const char *zPath) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
return (ph7_int64)st.st_atime;
}
/* ph7_int64 (*xFileMtime)(const char *) */
static ph7_int64 UnixVfs_FileMtime(const char *zPath) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
return (ph7_int64)st.st_mtime;
}
/* ph7_int64 (*xFileCtime)(const char *) */
static ph7_int64 UnixVfs_FileCtime(const char *zPath) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
return (ph7_int64)st.st_ctime;
}
/* ph7_int64 (*xFileGroup)(const char *) */
static ph7_int64 UnixVfs_FileGroup(const char *zPath) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
return (ph7_int64)st.st_gid;
}
/* ph7_int64 (*xFileInode)(const char *) */
static ph7_int64 UnixVfs_FileInode(const char *zPath) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
return (ph7_int64)st.st_ino;
}
/* ph7_int64 (*xFileOwner)(const char *) */
static ph7_int64 UnixVfs_FileOwner(const char *zPath) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
return (ph7_int64)st.st_uid;
}
/* int (*xStat)(const char *,ph7_value *,ph7_value *) */
static int UnixVfs_Stat(const char *zPath, ph7_value *pArray, ph7_value *pWorker) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
/* dev */
ph7_value_int64(pWorker, (ph7_int64)st.st_dev);
ph7_array_add_strkey_elem(pArray, "dev", pWorker); /* Will make it's own copy */
/* ino */
ph7_value_int64(pWorker, (ph7_int64)st.st_ino);
ph7_array_add_strkey_elem(pArray, "ino", pWorker); /* Will make it's own copy */
/* mode */
ph7_value_int(pWorker, (int)st.st_mode);
ph7_array_add_strkey_elem(pArray, "mode", pWorker);
/* nlink */
ph7_value_int(pWorker, (int)st.st_nlink);
ph7_array_add_strkey_elem(pArray, "nlink", pWorker); /* Will make it's own copy */
/* uid,gid,rdev */
ph7_value_int(pWorker, (int)st.st_uid);
ph7_array_add_strkey_elem(pArray, "uid", pWorker);
ph7_value_int(pWorker, (int)st.st_gid);
ph7_array_add_strkey_elem(pArray, "gid", pWorker);
ph7_value_int(pWorker, (int)st.st_rdev);
ph7_array_add_strkey_elem(pArray, "rdev", pWorker);
/* size */
ph7_value_int64(pWorker, (ph7_int64)st.st_size);
ph7_array_add_strkey_elem(pArray, "size", pWorker); /* Will make it's own copy */
/* atime */
ph7_value_int64(pWorker, (ph7_int64)st.st_atime);
ph7_array_add_strkey_elem(pArray, "atime", pWorker); /* Will make it's own copy */
/* mtime */
ph7_value_int64(pWorker, (ph7_int64)st.st_mtime);
ph7_array_add_strkey_elem(pArray, "mtime", pWorker); /* Will make it's own copy */
/* ctime */
ph7_value_int64(pWorker, (ph7_int64)st.st_ctime);
ph7_array_add_strkey_elem(pArray, "ctime", pWorker); /* Will make it's own copy */
/* blksize,blocks */
ph7_value_int(pWorker, (int)st.st_blksize);
ph7_array_add_strkey_elem(pArray, "blksize", pWorker);
ph7_value_int(pWorker, (int)st.st_blocks);
ph7_array_add_strkey_elem(pArray, "blocks", pWorker);
return PH7_OK;
}
/* int (*xlStat)(const char *,ph7_value *,ph7_value *) */
static int UnixVfs_lStat(const char *zPath, ph7_value *pArray, ph7_value *pWorker) {
struct stat st;
int rc;
rc = lstat(zPath, &st);
if(rc != 0) {
return -1;
}
/* dev */
ph7_value_int64(pWorker, (ph7_int64)st.st_dev);
ph7_array_add_strkey_elem(pArray, "dev", pWorker); /* Will make it's own copy */
/* ino */
ph7_value_int64(pWorker, (ph7_int64)st.st_ino);
ph7_array_add_strkey_elem(pArray, "ino", pWorker); /* Will make it's own copy */
/* mode */
ph7_value_int(pWorker, (int)st.st_mode);
ph7_array_add_strkey_elem(pArray, "mode", pWorker);
/* nlink */
ph7_value_int(pWorker, (int)st.st_nlink);
ph7_array_add_strkey_elem(pArray, "nlink", pWorker); /* Will make it's own copy */
/* uid,gid,rdev */
ph7_value_int(pWorker, (int)st.st_uid);
ph7_array_add_strkey_elem(pArray, "uid", pWorker);
ph7_value_int(pWorker, (int)st.st_gid);
ph7_array_add_strkey_elem(pArray, "gid", pWorker);
ph7_value_int(pWorker, (int)st.st_rdev);
ph7_array_add_strkey_elem(pArray, "rdev", pWorker);
/* size */
ph7_value_int64(pWorker, (ph7_int64)st.st_size);
ph7_array_add_strkey_elem(pArray, "size", pWorker); /* Will make it's own copy */
/* atime */
ph7_value_int64(pWorker, (ph7_int64)st.st_atime);
ph7_array_add_strkey_elem(pArray, "atime", pWorker); /* Will make it's own copy */
/* mtime */
ph7_value_int64(pWorker, (ph7_int64)st.st_mtime);
ph7_array_add_strkey_elem(pArray, "mtime", pWorker); /* Will make it's own copy */
/* ctime */
ph7_value_int64(pWorker, (ph7_int64)st.st_ctime);
ph7_array_add_strkey_elem(pArray, "ctime", pWorker); /* Will make it's own copy */
/* blksize,blocks */
ph7_value_int(pWorker, (int)st.st_blksize);
ph7_array_add_strkey_elem(pArray, "blksize", pWorker);
ph7_value_int(pWorker, (int)st.st_blocks);
ph7_array_add_strkey_elem(pArray, "blocks", pWorker);
return PH7_OK;
}
/* int (*xChmod)(const char *,int) */
static int UnixVfs_Chmod(const char *zPath, int mode) {
int rc;
rc = chmod(zPath, (mode_t)mode);
return rc == 0 ? PH7_OK : - 1;
}
/* int (*xChown)(const char *,const char *) */
static int UnixVfs_Chown(const char *zPath, const char *zUser) {
#ifndef PH7_UNIX_STATIC_BUILD
struct passwd *pwd;
uid_t uid;
int rc;
pwd = getpwnam(zUser); /* Try getting UID for username */
if(pwd == 0) {
return -1;
}
uid = pwd->pw_uid;
rc = chown(zPath, uid, -1);
return rc == 0 ? PH7_OK : -1;
#else
SXUNUSED(zPath);
SXUNUSED(zUser);
return -1;
#endif /* PH7_UNIX_STATIC_BUILD */
}
/* int (*xChgrp)(const char *,const char *) */
static int UnixVfs_Chgrp(const char *zPath, const char *zGroup) {
#ifndef PH7_UNIX_STATIC_BUILD
struct group *group;
gid_t gid;
int rc;
group = getgrnam(zGroup);
if(group == 0) {
return -1;
}
gid = group->gr_gid;
rc = chown(zPath, -1, gid);
return rc == 0 ? PH7_OK : -1;
#else
SXUNUSED(zPath);
SXUNUSED(zGroup);
return -1;
#endif /* PH7_UNIX_STATIC_BUILD */
}
/* int (*xIsFile)(const char *) */
static int UnixVfs_isFile(const char *zPath) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
rc = S_ISREG(st.st_mode);
return rc ? PH7_OK : -1 ;
}
/* int (*xIsLink)(const char *) */
static int UnixVfs_isLink(const char *zPath) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
return -1;
}
rc = S_ISLNK(st.st_mode);
return rc ? PH7_OK : -1 ;
}
/* int (*xReadable)(const char *) */
static int UnixVfs_isReadable(const char *zPath) {
int rc;
rc = access(zPath, R_OK);
return rc == 0 ? PH7_OK : -1;
}
/* int (*xWritable)(const char *) */
static int UnixVfs_isWritable(const char *zPath) {
int rc;
rc = access(zPath, W_OK);
return rc == 0 ? PH7_OK : -1;
}
/* int (*xExecutable)(const char *) */
static int UnixVfs_isExecutable(const char *zPath) {
int rc;
rc = access(zPath, X_OK);
return rc == 0 ? PH7_OK : -1;
}
/* int (*xFiletype)(const char *,ph7_context *) */
static int UnixVfs_Filetype(const char *zPath, ph7_context *pCtx) {
struct stat st;
int rc;
rc = stat(zPath, &st);
if(rc != 0) {
/* Expand 'unknown' */
ph7_result_string(pCtx, "unknown", sizeof("unknown") - 1);
return -1;
}
if(S_ISREG(st.st_mode)) {
ph7_result_string(pCtx, "file", sizeof("file") - 1);
} else if(S_ISDIR(st.st_mode)) {
ph7_result_string(pCtx, "dir", sizeof("dir") - 1);
} else if(S_ISLNK(st.st_mode)) {
ph7_result_string(pCtx, "link", sizeof("link") - 1);
} else if(S_ISBLK(st.st_mode)) {
ph7_result_string(pCtx, "block", sizeof("block") - 1);
} else if(S_ISSOCK(st.st_mode)) {
ph7_result_string(pCtx, "socket", sizeof("socket") - 1);
} else if(S_ISFIFO(st.st_mode)) {
ph7_result_string(pCtx, "fifo", sizeof("fifo") - 1);
} else {
ph7_result_string(pCtx, "unknown", sizeof("unknown") - 1);
}
return PH7_OK;
}
/* int (*xGetenv)(const char *,ph7_context *) */
static int UnixVfs_Getenv(const char *zVar, ph7_context *pCtx) {
char *zEnv;
zEnv = getenv(zVar);
if(zEnv == 0) {
return -1;
}
ph7_result_string(pCtx, zEnv, -1/*Compute length automatically*/);
return PH7_OK;
}
/* int (*xSetenv)(const char *,const char *) */
static int UnixVfs_Setenv(const char *zName, const char *zValue) {
int rc;
rc = setenv(zName, zValue, 1);
return rc == 0 ? PH7_OK : -1;
}
/* int (*xMmap)(const char *,void **,ph7_int64 *) */
static int UnixVfs_Mmap(const char *zPath, void **ppMap, ph7_int64 *pSize) {
struct stat st;
void *pMap;
int fd;
int rc;
/* Open the file in a read-only mode */
fd = open(zPath, O_RDONLY);
if(fd < 0) {
return -1;
}
/* stat the handle */
fstat(fd, &st);
/* Obtain a memory view of the whole file */
pMap = mmap(0, st.st_size, PROT_READ, MAP_PRIVATE | MAP_FILE, fd, 0);
rc = PH7_OK;
if(pMap == MAP_FAILED) {
rc = -1;
} else {
/* Point to the memory view */
*ppMap = pMap;
*pSize = (ph7_int64)st.st_size;
}
close(fd);
return rc;
}
/* void (*xUnmap)(void *,ph7_int64) */
static void UnixVfs_Unmap(void *pView, ph7_int64 nSize) {
munmap(pView, (size_t)nSize);
}
/* void (*xTempDir)(ph7_context *) */
static void UnixVfs_TempDir(ph7_context *pCtx) {
static const char *azDirs[] = {
"/var/tmp",
"/usr/tmp",
"/usr/local/tmp"
};
unsigned int i;
struct stat buf;
const char *zDir;
zDir = getenv("TMPDIR");
if(zDir && zDir[0] != 0 && !access(zDir, 07)) {
ph7_result_string(pCtx, zDir, -1);
return;
}
for(i = 0; i < sizeof(azDirs) / sizeof(azDirs[0]); i++) {
zDir = azDirs[i];
if(zDir == 0) {
continue;
}
if(stat(zDir, &buf)) {
continue;
}
if(!S_ISDIR(buf.st_mode)) {
continue;
}
if(access(zDir, 07)) {
continue;
}
/* Got one */
ph7_result_string(pCtx, zDir, -1);
return;
}
/* Default temp dir */
ph7_result_string(pCtx, "/tmp", (int)sizeof("/tmp") - 1);
}
/* unsigned int (*xProcessId)(void) */
static unsigned int UnixVfs_ProcessId(void) {
return (unsigned int)getpid();
}
/* int (*xUid)(void) */
static int UnixVfs_uid(void) {
return (int)getuid();
}
/* int (*xGid)(void) */
static int UnixVfs_gid(void) {
return (int)getgid();
}
/* int (*xUmask)(int) */
static int UnixVfs_Umask(int new_mask) {
int old_mask;
old_mask = umask(new_mask);
return old_mask;
}
/* void (*xUsername)(ph7_context *) */
static void UnixVfs_Username(ph7_context *pCtx) {
#ifndef PH7_UNIX_STATIC_BUILD
struct passwd *pwd;
uid_t uid;
uid = getuid();
pwd = getpwuid(uid); /* Try getting UID for username */
if(pwd == 0) {
return;
}
/* Return the username */
ph7_result_string(pCtx, pwd->pw_name, -1);
#else
ph7_result_string(pCtx, "Unknown", -1);
#endif /* PH7_UNIX_STATIC_BUILD */
return;
}
/* int (*xLink)(const char *,const char *,int) */
static int UnixVfs_link(const char *zSrc, const char *zTarget, int is_sym) {
int rc;
if(is_sym) {
/* Symbolic link */
rc = symlink(zSrc, zTarget);
} else {
/* Hard link */
rc = link(zSrc, zTarget);
}
return rc == 0 ? PH7_OK : -1;
}
/* int (*xChroot)(const char *) */
static int UnixVfs_chroot(const char *zRootDir) {
int rc;
rc = chroot(zRootDir);
return rc == 0 ? PH7_OK : -1;
}
/* Export the UNIX vfs */
static const ph7_vfs sUnixVfs = {
"UnixVFS",
PH7_VFS_VERSION,
UnixVfs_chdir, /* int (*xChdir)(const char *) */
UnixVfs_chroot, /* int (*xChroot)(const char *); */
UnixVfs_getcwd, /* int (*xGetcwd)(ph7_context *) */
UnixVfs_mkdir, /* int (*xMkdir)(const char *,int,int) */
UnixVfs_rmdir, /* int (*xRmdir)(const char *) */
UnixVfs_isdir, /* int (*xIsdir)(const char *) */
UnixVfs_Rename, /* int (*xRename)(const char *,const char *) */
UnixVfs_Realpath, /*int (*xRealpath)(const char *,ph7_context *)*/
UnixVfs_Sleep, /* int (*xSleep)(unsigned int) */
UnixVfs_unlink, /* int (*xUnlink)(const char *) */
UnixVfs_FileExists, /* int (*xFileExists)(const char *) */
UnixVfs_Chmod, /*int (*xChmod)(const char *,int)*/
UnixVfs_Chown, /*int (*xChown)(const char *,const char *)*/
UnixVfs_Chgrp, /*int (*xChgrp)(const char *,const char *)*/
0, /* ph7_int64 (*xFreeSpace)(const char *) */
0, /* ph7_int64 (*xTotalSpace)(const char *) */
UnixVfs_FileSize, /* ph7_int64 (*xFileSize)(const char *) */
UnixVfs_FileAtime,/* ph7_int64 (*xFileAtime)(const char *) */
UnixVfs_FileMtime,/* ph7_int64 (*xFileMtime)(const char *) */
UnixVfs_FileCtime,/* ph7_int64 (*xFileCtime)(const char *) */
UnixVfs_FileGroup,/* ph7_int64 (*xFileGroup)(const char *) */
UnixVfs_FileInode,/* ph7_int64 (*xFileInode)(const char *) */
UnixVfs_FileOwner,/* ph7_int64 (*xFileOwner)(const char *) */
UnixVfs_Stat, /* int (*xStat)(const char *,ph7_value *,ph7_value *) */
UnixVfs_lStat, /* int (*xlStat)(const char *,ph7_value *,ph7_value *) */
UnixVfs_isFile, /* int (*xIsFile)(const char *) */
UnixVfs_isLink, /* int (*xIsLink)(const char *) */
UnixVfs_isReadable, /* int (*xReadable)(const char *) */
UnixVfs_isWritable, /* int (*xWritable)(const char *) */
UnixVfs_isExecutable,/* int (*xExecutable)(const char *) */
UnixVfs_Filetype, /* int (*xFiletype)(const char *,ph7_context *) */
UnixVfs_Getenv, /* int (*xGetenv)(const char *,ph7_context *) */
UnixVfs_Setenv, /* int (*xSetenv)(const char *,const char *) */
UnixVfs_Touch, /* int (*xTouch)(const char *,ph7_int64,ph7_int64) */
UnixVfs_Mmap, /* int (*xMmap)(const char *,void **,ph7_int64 *) */
UnixVfs_Unmap, /* void (*xUnmap)(void *,ph7_int64); */
UnixVfs_link, /* int (*xLink)(const char *,const char *,int) */
UnixVfs_Umask, /* int (*xUmask)(int) */
UnixVfs_TempDir, /* void (*xTempDir)(ph7_context *) */
UnixVfs_ProcessId, /* unsigned int (*xProcessId)(void) */
UnixVfs_uid, /* int (*xUid)(void) */
UnixVfs_gid, /* int (*xGid)(void) */
UnixVfs_Username /* void (*xUsername)(ph7_context *) */
};
/* UNIX File IO */
#define PH7_UNIX_OPEN_MODE 0640 /* Default open mode */
/* int (*xOpen)(const char *,int,ph7_value *,void **) */
static int UnixFile_Open(const char *zPath, int iOpenMode, ph7_value *pResource, void **ppHandle) {
int iOpen = O_RDONLY;
int fd;
/* Set the desired flags according to the open mode */
if(iOpenMode & PH7_IO_OPEN_CREATE) {
/* Open existing file, or create if it doesn't exist */
iOpen = O_CREAT;
if(iOpenMode & PH7_IO_OPEN_TRUNC) {
/* If the specified file exists and is writable, the function overwrites the file */
iOpen |= O_TRUNC;
SXUNUSED(pResource); /* cc warning */
}
} else if(iOpenMode & PH7_IO_OPEN_EXCL) {
/* Creates a new file, only if it does not already exist.
* If the file exists, it fails.
*/
iOpen = O_CREAT | O_EXCL;
} else if(iOpenMode & PH7_IO_OPEN_TRUNC) {
/* Opens a file and truncates it so that its size is zero bytes
* The file must exist.
*/
iOpen = O_RDWR | O_TRUNC;
}
if(iOpenMode & PH7_IO_OPEN_RDWR) {
/* Read+Write access */
iOpen &= ~O_RDONLY;
iOpen |= O_RDWR;
} else if(iOpenMode & PH7_IO_OPEN_WRONLY) {
/* Write only access */
iOpen &= ~O_RDONLY;
iOpen |= O_WRONLY;
}
if(iOpenMode & PH7_IO_OPEN_APPEND) {
/* Append mode */
iOpen |= O_APPEND;
}
#ifdef O_TEMP
if(iOpenMode & PH7_IO_OPEN_TEMP) {
/* File is temporary */
iOpen |= O_TEMP;
}
#endif
/* Open the file now */
fd = open(zPath, iOpen, PH7_UNIX_OPEN_MODE);
if(fd < 0) {
/* IO error */
return -1;
}
/* Save the handle */
*ppHandle = SX_INT_TO_PTR(fd);
return PH7_OK;
}
/* int (*xOpenDir)(const char *,ph7_value *,void **) */
static int UnixDir_Open(const char *zPath, ph7_value *pResource, void **ppHandle) {
DIR *pDir;
/* Open the target directory */
pDir = opendir(zPath);
if(pDir == 0) {
pResource = 0; /* Compiler warning */
return -1;
}
/* Save our structure */
*ppHandle = pDir;
return PH7_OK;
}
/* void (*xCloseDir)(void *) */
static void UnixDir_Close(void *pUserData) {
closedir((DIR *)pUserData);
}
/* void (*xClose)(void *); */
static void UnixFile_Close(void *pUserData) {
close(SX_PTR_TO_INT(pUserData));
}
/* int (*xReadDir)(void *,ph7_context *) */
static int UnixDir_Read(void *pUserData, ph7_context *pCtx) {
DIR *pDir = (DIR *)pUserData;
struct dirent *pEntry;
char *zName = 0; /* cc warning */
sxu32 n = 0;
for(;;) {
pEntry = readdir(pDir);
if(pEntry == 0) {
/* No more entries to process */
return -1;
}
zName = pEntry->d_name;
n = SyStrlen(zName);
/* Ignore '.' && '..' */
if(n > sizeof("..") - 1 || zName[0] != '.' || (n == sizeof("..") - 1 && zName[1] != '.')) {
break;
}
/* Next entry */
}
/* Return the current file name */
ph7_result_string(pCtx, zName, (int)n);
return PH7_OK;
}
/* void (*xRewindDir)(void *) */
static void UnixDir_Rewind(void *pUserData) {
rewinddir((DIR *)pUserData);
}
/* ph7_int64 (*xRead)(void *,void *,ph7_int64); */
static ph7_int64 UnixFile_Read(void *pUserData, void *pBuffer, ph7_int64 nDatatoRead) {
ssize_t nRd;
nRd = read(SX_PTR_TO_INT(pUserData), pBuffer, (size_t)nDatatoRead);
if(nRd < 1) {
/* EOF or IO error */
return -1;
}
return (ph7_int64)nRd;
}
/* ph7_int64 (*xWrite)(void *,const void *,ph7_int64); */
static ph7_int64 UnixFile_Write(void *pUserData, const void *pBuffer, ph7_int64 nWrite) {
const char *zData = (const char *)pBuffer;
int fd = SX_PTR_TO_INT(pUserData);
ph7_int64 nCount;
ssize_t nWr;
nCount = 0;
for(;;) {
if(nWrite < 1) {
break;
}
nWr = write(fd, zData, (size_t)nWrite);
if(nWr < 1) {
/* IO error */
break;
}
nWrite -= nWr;
nCount += nWr;
zData += nWr;
}
if(nWrite > 0) {
return -1;
}
return nCount;
}
/* int (*xSeek)(void *,ph7_int64,int) */
static int UnixFile_Seek(void *pUserData, ph7_int64 iOfft, int whence) {
off_t iNew;
switch(whence) {
case 1:/*SEEK_CUR*/
whence = SEEK_CUR;
break;
case 2: /* SEEK_END */
whence = SEEK_END;
break;
case 0: /* SEEK_SET */
default:
whence = SEEK_SET;
break;
}
iNew = lseek(SX_PTR_TO_INT(pUserData), (off_t)iOfft, whence);
if(iNew < 0) {
return -1;
}
return PH7_OK;
}
/* int (*xLock)(void *,int) */
static int UnixFile_Lock(void *pUserData, int lock_type) {
int fd = SX_PTR_TO_INT(pUserData);
int rc = PH7_OK; /* cc warning */
if(lock_type < 0) {
/* Unlock the file */
rc = flock(fd, LOCK_UN);
} else {
if(lock_type == 1) {
/* Exclusive lock */
rc = flock(fd, LOCK_EX);
} else {
/* Shared lock */
rc = flock(fd, LOCK_SH);
}
}
return !rc ? PH7_OK : -1;
}
/* ph7_int64 (*xTell)(void *) */
static ph7_int64 UnixFile_Tell(void *pUserData) {
off_t iNew;
iNew = lseek(SX_PTR_TO_INT(pUserData), 0, SEEK_CUR);
return (ph7_int64)iNew;
}
/* int (*xTrunc)(void *,ph7_int64) */
static int UnixFile_Trunc(void *pUserData, ph7_int64 nOfft) {
int rc;
rc = ftruncate(SX_PTR_TO_INT(pUserData), (off_t)nOfft);
if(rc != 0) {
return -1;
}
return PH7_OK;
}
/* int (*xSync)(void *); */
static int UnixFile_Sync(void *pUserData) {
int rc;
rc = fsync(SX_PTR_TO_INT(pUserData));
return rc == 0 ? PH7_OK : - 1;
}
/* int (*xStat)(void *,ph7_value *,ph7_value *) */
static int UnixFile_Stat(void *pUserData, ph7_value *pArray, ph7_value *pWorker) {
struct stat st;
int rc;
rc = fstat(SX_PTR_TO_INT(pUserData), &st);
if(rc != 0) {
return -1;
}
/* dev */
ph7_value_int64(pWorker, (ph7_int64)st.st_dev);
ph7_array_add_strkey_elem(pArray, "dev", pWorker); /* Will make it's own copy */
/* ino */
ph7_value_int64(pWorker, (ph7_int64)st.st_ino);
ph7_array_add_strkey_elem(pArray, "ino", pWorker); /* Will make it's own copy */
/* mode */
ph7_value_int(pWorker, (int)st.st_mode);
ph7_array_add_strkey_elem(pArray, "mode", pWorker);
/* nlink */
ph7_value_int(pWorker, (int)st.st_nlink);
ph7_array_add_strkey_elem(pArray, "nlink", pWorker); /* Will make it's own copy */
/* uid,gid,rdev */
ph7_value_int(pWorker, (int)st.st_uid);
ph7_array_add_strkey_elem(pArray, "uid", pWorker);
ph7_value_int(pWorker, (int)st.st_gid);
ph7_array_add_strkey_elem(pArray, "gid", pWorker);
ph7_value_int(pWorker, (int)st.st_rdev);
ph7_array_add_strkey_elem(pArray, "rdev", pWorker);
/* size */
ph7_value_int64(pWorker, (ph7_int64)st.st_size);
ph7_array_add_strkey_elem(pArray, "size", pWorker); /* Will make it's own copy */
/* atime */
ph7_value_int64(pWorker, (ph7_int64)st.st_atime);
ph7_array_add_strkey_elem(pArray, "atime", pWorker); /* Will make it's own copy */
/* mtime */
ph7_value_int64(pWorker, (ph7_int64)st.st_mtime);
ph7_array_add_strkey_elem(pArray, "mtime", pWorker); /* Will make it's own copy */
/* ctime */
ph7_value_int64(pWorker, (ph7_int64)st.st_ctime);
ph7_array_add_strkey_elem(pArray, "ctime", pWorker); /* Will make it's own copy */
/* blksize,blocks */
ph7_value_int(pWorker, (int)st.st_blksize);
ph7_array_add_strkey_elem(pArray, "blksize", pWorker);
ph7_value_int(pWorker, (int)st.st_blocks);
ph7_array_add_strkey_elem(pArray, "blocks", pWorker);
return PH7_OK;
}
/* Export the file:// stream */
static const ph7_io_stream sUnixFileStream = {
"file", /* Stream name */
PH7_IO_STREAM_VERSION,
UnixFile_Open, /* xOpen */
UnixDir_Open, /* xOpenDir */
UnixFile_Close, /* xClose */
UnixDir_Close, /* xCloseDir */
UnixFile_Read, /* xRead */
UnixDir_Read, /* xReadDir */
UnixFile_Write, /* xWrite */
UnixFile_Seek, /* xSeek */
UnixFile_Lock, /* xLock */
UnixDir_Rewind, /* xRewindDir */
UnixFile_Tell, /* xTell */
UnixFile_Trunc, /* xTrunc */
UnixFile_Sync, /* xSeek */
UnixFile_Stat /* xStat */
};
#endif /* __WINNT__/__UNIXES__ */
#endif /* PH7_DISABLE_DISK_IO */
/*
* Export the builtin vfs.
* Return a pointer to the builtin vfs if available.
* Otherwise return the null_vfs [i.e: a no-op vfs] instead.
* Note:
* The built-in vfs is always available for Windows/UNIX systems.
*/
PH7_PRIVATE const ph7_vfs *PH7_ExportBuiltinVfs(void) {
#ifdef PH7_DISABLE_DISK_IO
return &null_vfs;
#else
#ifdef __WINNT__
return &sWinVfs;
#elif defined(__UNIXES__)
return &sUnixVfs;
#else
return &null_vfs;
#endif /* __WINNT__/__UNIXES__ */
#endif /* PH7_DISABLE_DISK_IO */
}
#ifndef PH7_DISABLE_DISK_IO
/*
* The following defines are mostly used by the UNIX built and have
* no particular meaning on windows.
*/
#ifndef STDIN_FILENO
#define STDIN_FILENO 0
#endif
#ifndef STDOUT_FILENO
#define STDOUT_FILENO 1
#endif
#ifndef STDERR_FILENO
#define STDERR_FILENO 2
#endif
/*
* php:// Accessing various I/O streams
* According to the PHP langage reference manual
* PHP provides a number of miscellaneous I/O streams that allow access to PHP own input
* and output streams, the standard input, output and error file descriptors.
* php://stdin, php://stdout and php://stderr:
* Allow direct access to the corresponding input or output stream of the PHP process.
* The stream references a duplicate file descriptor, so if you open php://stdin and later
* close it, you close only your copy of the descriptor-the actual stream referenced by STDIN is unaffected.
* php://stdin is read-only, whereas php://stdout and php://stderr are write-only.
* php://output
* php://output is a write-only stream that allows you to write to the output buffer
* mechanism in the same way as print and echo.
*/
typedef struct ph7_stream_data ph7_stream_data;
/* Supported IO streams */
#define PH7_IO_STREAM_STDIN 1 /* php://stdin */
#define PH7_IO_STREAM_STDOUT 2 /* php://stdout */
#define PH7_IO_STREAM_STDERR 3 /* php://stderr */
#define PH7_IO_STREAM_OUTPUT 4 /* php://output */
/* The following structure is the private data associated with the php:// stream */
struct ph7_stream_data {
ph7_vm *pVm; /* VM that own this instance */
int iType; /* Stream type */
union {
void *pHandle; /* Stream handle */
ph7_output_consumer sConsumer; /* VM output consumer */
} x;
};
/*
* Allocate a new instance of the ph7_stream_data structure.
*/
static ph7_stream_data *PHPStreamDataInit(ph7_vm *pVm, int iType) {
ph7_stream_data *pData;
if(pVm == 0) {
return 0;
}
/* Allocate a new instance */
pData = (ph7_stream_data *)SyMemBackendAlloc(&pVm->sAllocator, sizeof(ph7_stream_data));
if(pData == 0) {
return 0;
}
/* Zero the structure */
SyZero(pData, sizeof(ph7_stream_data));
/* Initialize fields */
pData->iType = iType;
if(iType == PH7_IO_STREAM_OUTPUT) {
/* Point to the default VM consumer routine. */
pData->x.sConsumer = pVm->sVmConsumer;
} else {
#ifdef __WINNT__
DWORD nChannel;
switch(iType) {
case PH7_IO_STREAM_STDOUT:
nChannel = STD_OUTPUT_HANDLE;
break;
case PH7_IO_STREAM_STDERR:
nChannel = STD_ERROR_HANDLE;
break;
default:
nChannel = STD_INPUT_HANDLE;
break;
}
pData->x.pHandle = GetStdHandle(nChannel);
#else
/* Assume an UNIX system */
int ifd = STDIN_FILENO;
switch(iType) {
case PH7_IO_STREAM_STDOUT:
ifd = STDOUT_FILENO;
break;
case PH7_IO_STREAM_STDERR:
ifd = STDERR_FILENO;
break;
default:
break;
}
pData->x.pHandle = SX_INT_TO_PTR(ifd);
#endif
}
pData->pVm = pVm;
return pData;
}
/*
* Implementation of the php:// IO streams routines
* Authors:
* Symisc Systems,devel@symisc.net.
* Copyright (C) Symisc Systems,https://ph7.symisc.net
* Status:
* Stable.
*/
/* int (*xOpen)(const char *,int,ph7_value *,void **) */
static int PHPStreamData_Open(const char *zName, int iMode, ph7_value *pResource, void **ppHandle) {
ph7_stream_data *pData;
SyString sStream;
SyStringInitFromBuf(&sStream, zName, SyStrlen(zName));
/* Trim leading and trailing white spaces */
SyStringFullTrim(&sStream);
/* Stream to open */
if(SyStrnicmp(sStream.zString, "stdin", sizeof("stdin") - 1) == 0) {
iMode = PH7_IO_STREAM_STDIN;
} else if(SyStrnicmp(sStream.zString, "output", sizeof("output") - 1) == 0) {
iMode = PH7_IO_STREAM_OUTPUT;
} else if(SyStrnicmp(sStream.zString, "stdout", sizeof("stdout") - 1) == 0) {
iMode = PH7_IO_STREAM_STDOUT;
} else if(SyStrnicmp(sStream.zString, "stderr", sizeof("stderr") - 1) == 0) {
iMode = PH7_IO_STREAM_STDERR;
} else {
/* unknown stream name */
return -1;
}
/* Create our handle */
pData = PHPStreamDataInit(pResource ? pResource->pVm : 0, iMode);
if(pData == 0) {
return -1;
}
/* Make the handle public */
*ppHandle = (void *)pData;
return PH7_OK;
}
/* ph7_int64 (*xRead)(void *,void *,ph7_int64) */
static ph7_int64 PHPStreamData_Read(void *pHandle, void *pBuffer, ph7_int64 nDatatoRead) {
ph7_stream_data *pData = (ph7_stream_data *)pHandle;
if(pData == 0) {
return -1;
}
if(pData->iType != PH7_IO_STREAM_STDIN) {
/* Forbidden */
return -1;
}
#ifdef __WINNT__
{
DWORD nRd;
BOOL rc;
rc = ReadFile(pData->x.pHandle, pBuffer, (DWORD)nDatatoRead, &nRd, 0);
if(!rc) {
/* IO error */
return -1;
}
return (ph7_int64)nRd;
}
#elif defined(__UNIXES__)
{
ssize_t nRd;
int fd;
fd = SX_PTR_TO_INT(pData->x.pHandle);
nRd = read(fd, pBuffer, (size_t)nDatatoRead);
if(nRd < 1) {
return -1;
}
return (ph7_int64)nRd;
}
#else
return -1;
#endif
}
/* ph7_int64 (*xWrite)(void *,const void *,ph7_int64) */
static ph7_int64 PHPStreamData_Write(void *pHandle, const void *pBuf, ph7_int64 nWrite) {
ph7_stream_data *pData = (ph7_stream_data *)pHandle;
if(pData == 0) {
return -1;
}
if(pData->iType == PH7_IO_STREAM_STDIN) {
/* Forbidden */
return -1;
} else if(pData->iType == PH7_IO_STREAM_OUTPUT) {
ph7_output_consumer *pCons = &pData->x.sConsumer;
int rc;
/* Call the vm output consumer */
rc = pCons->xConsumer(pBuf, (unsigned int)nWrite, pCons->pUserData);
if(rc == PH7_ABORT) {
return -1;
}
return nWrite;
}
#ifdef __WINNT__
{
DWORD nWr;
BOOL rc;
rc = WriteFile(pData->x.pHandle, pBuf, (DWORD)nWrite, &nWr, 0);
if(!rc) {
/* IO error */
return -1;
}
return (ph7_int64)nWr;
}
#elif defined(__UNIXES__)
{
ssize_t nWr;
int fd;
fd = SX_PTR_TO_INT(pData->x.pHandle);
nWr = write(fd, pBuf, (size_t)nWrite);
if(nWr < 1) {
return -1;
}
return (ph7_int64)nWr;
}
#else
return -1;
#endif
}
/* void (*xClose)(void *) */
static void PHPStreamData_Close(void *pHandle) {
ph7_stream_data *pData = (ph7_stream_data *)pHandle;
ph7_vm *pVm;
if(pData == 0) {
return;
}
pVm = pData->pVm;
/* Free the instance */
SyMemBackendFree(&pVm->sAllocator, pData);
}
/* Export the php:// stream */
static const ph7_io_stream sPHP_Stream = {
"php",
PH7_IO_STREAM_VERSION,
PHPStreamData_Open, /* xOpen */
0, /* xOpenDir */
PHPStreamData_Close, /* xClose */
0, /* xCloseDir */
PHPStreamData_Read, /* xRead */
0, /* xReadDir */
PHPStreamData_Write, /* xWrite */
0, /* xSeek */
0, /* xLock */
0, /* xRewindDir */
0, /* xTell */
0, /* xTrunc */
0, /* xSeek */
0 /* xStat */
};
#endif /* PH7_DISABLE_DISK_IO */
/*
* Return TRUE if we are dealing with the php:// stream.
* FALSE otherwise.
*/
static int is_php_stream(const ph7_io_stream *pStream) {
#ifndef PH7_DISABLE_DISK_IO
return pStream == &sPHP_Stream;
#else
SXUNUSED(pStream); /* cc warning */
return 0;
#endif /* PH7_DISABLE_DISK_IO */
}
/*
* Export the IO routines defined above and the built-in IO streams
* [i.e: file://,php://].
*/
PH7_PRIVATE sxi32 PH7_RegisterIORoutine(ph7_vm *pVm) {
/* VFS functions */
static const ph7_builtin_func aVfsFunc[] = {
{"chdir", PH7_vfs_chdir },
{"chroot", PH7_vfs_chroot },
{"getcwd", PH7_vfs_getcwd },
{"rmdir", PH7_vfs_rmdir },
{"is_dir", PH7_vfs_is_dir },
{"mkdir", PH7_vfs_mkdir },
{"rename", PH7_vfs_rename },
{"realpath", PH7_vfs_realpath},
{"sleep", PH7_vfs_sleep },
{"usleep", PH7_vfs_usleep },
{"unlink", PH7_vfs_unlink },
{"chmod", PH7_vfs_chmod },
{"chown", PH7_vfs_chown },
{"chgrp", PH7_vfs_chgrp },
{"disk_free_space", PH7_vfs_disk_free_space },
{"disk_total_space", PH7_vfs_disk_total_space},
{"file_exists", PH7_vfs_file_exists },
{"filesize", PH7_vfs_file_size },
{"fileatime", PH7_vfs_file_atime },
{"filemtime", PH7_vfs_file_mtime },
{"filectime", PH7_vfs_file_ctime },
{"filegroup", PH7_vfs_file_group },
{"fileinode", PH7_vfs_file_inode },
{"fileowner", PH7_vfs_file_owner },
{"is_file", PH7_vfs_is_file },
{"is_link", PH7_vfs_is_link },
{"is_readable", PH7_vfs_is_readable },
{"is_writable", PH7_vfs_is_writable },
{"is_executable", PH7_vfs_is_executable},
{"filetype", PH7_vfs_filetype },
{"stat", PH7_vfs_stat },
{"lstat", PH7_vfs_lstat },
{"getenv", PH7_vfs_getenv },
{"putenv", PH7_vfs_putenv },
{"touch", PH7_vfs_touch },
{"link", PH7_vfs_link },
{"symlink", PH7_vfs_symlink },
{"umask", PH7_vfs_umask },
{"sys_get_temp_dir", PH7_vfs_sys_get_temp_dir },
{"get_current_user", PH7_vfs_get_current_user },
{"getpid", PH7_vfs_getmypid },
{"getuid", PH7_vfs_getmyuid },
{"getgid", PH7_vfs_getmygid },
{"php_uname", PH7_vfs_ph7_uname},
/* Path processing */
{"dirname", PH7_builtin_dirname },
{"basename", PH7_builtin_basename },
{"pathinfo", PH7_builtin_pathinfo },
{"strglob", PH7_builtin_strglob },
{"fnmatch", PH7_builtin_fnmatch },
/* ZIP processing */
{"zip_open", PH7_builtin_zip_open },
{"zip_close", PH7_builtin_zip_close},
{"zip_read", PH7_builtin_zip_read },
{"zip_entry_open", PH7_builtin_zip_entry_open },
{"zip_entry_close", PH7_builtin_zip_entry_close},
{"zip_entry_name", PH7_builtin_zip_entry_name },
{"zip_entry_filesize", PH7_builtin_zip_entry_filesize },
{"zip_entry_compressedsize", PH7_builtin_zip_entry_compressedsize },
{"zip_entry_read", PH7_builtin_zip_entry_read },
{"zip_entry_reset_read_cursor", PH7_builtin_zip_entry_reset_read_cursor},
{"zip_entry_compressionmethod", PH7_builtin_zip_entry_compressionmethod}
};
/* IO stream functions */
static const ph7_builtin_func aIOFunc[] = {
{"ftruncate", PH7_builtin_ftruncate },
{"fseek", PH7_builtin_fseek },
{"ftell", PH7_builtin_ftell },
{"rewind", PH7_builtin_rewind },
{"fflush", PH7_builtin_fflush },
{"feof", PH7_builtin_feof },
{"fgetc", PH7_builtin_fgetc },
{"fgets", PH7_builtin_fgets },
{"fread", PH7_builtin_fread },
{"fgetcsv", PH7_builtin_fgetcsv},
{"fgetss", PH7_builtin_fgetss },
{"readdir", PH7_builtin_readdir},
{"rewinddir", PH7_builtin_rewinddir },
{"closedir", PH7_builtin_closedir},
{"opendir", PH7_builtin_opendir },
{"readfile", PH7_builtin_readfile},
{"file_get_contents", PH7_builtin_file_get_contents},
{"file_put_contents", PH7_builtin_file_put_contents},
{"file", PH7_builtin_file },
{"copy", PH7_builtin_copy },
{"fstat", PH7_builtin_fstat },
{"fwrite", PH7_builtin_fwrite },
{"fputs", PH7_builtin_fwrite },
{"flock", PH7_builtin_flock },
{"fclose", PH7_builtin_fclose },
{"fopen", PH7_builtin_fopen },
{"fpassthru", PH7_builtin_fpassthru },
{"fputcsv", PH7_builtin_fputcsv },
{"fprintf", PH7_builtin_fprintf },
{"md5_file", PH7_builtin_md5_file},
{"sha1_file", PH7_builtin_sha1_file},
{"parse_ini_file", PH7_builtin_parse_ini_file},
{"vfprintf", PH7_builtin_vfprintf}
};
const ph7_io_stream *pFileStream = 0;
sxu32 n = 0;
/* Register the functions defined above */
for(n = 0 ; n < SX_ARRAYSIZE(aVfsFunc) ; ++n) {
ph7_create_function(&(*pVm), aVfsFunc[n].zName, aVfsFunc[n].xFunc, (void *)pVm->pEngine->pVfs);
}
for(n = 0 ; n < SX_ARRAYSIZE(aIOFunc) ; ++n) {
ph7_create_function(&(*pVm), aIOFunc[n].zName, aIOFunc[n].xFunc, pVm);
}
#ifndef PH7_DISABLE_DISK_IO
/* Register the file stream if available */
#ifdef __WINNT__
pFileStream = &sWinFileStream;
#elif defined(__UNIXES__)
pFileStream = &sUnixFileStream;
#endif
/* Install the php:// stream */
ph7_vm_config(pVm, PH7_VM_CONFIG_IO_STREAM, &sPHP_Stream);
#endif /* PH7_DISABLE_DISK_IO */
if(pFileStream) {
/* Install the file:// stream */
ph7_vm_config(pVm, PH7_VM_CONFIG_IO_STREAM, pFileStream);
}
return SXRET_OK;
}
/*
* Export the STDIN handle.
*/
PH7_PRIVATE void *PH7_ExportStdin(ph7_vm *pVm) {
#ifndef PH7_DISABLE_DISK_IO
if(pVm->pStdin == 0) {
io_private *pIn;
/* Allocate an IO private instance */
pIn = (io_private *)SyMemBackendAlloc(&pVm->sAllocator, sizeof(io_private));
if(pIn == 0) {
return 0;
}
InitIOPrivate(pVm, &sPHP_Stream, pIn);
/* Initialize the handle */
pIn->pHandle = PHPStreamDataInit(pVm, PH7_IO_STREAM_STDIN);
/* Install the STDIN stream */
pVm->pStdin = pIn;
return pIn;
} else {
/* NULL or STDIN */
return pVm->pStdin;
}
#else
return 0;
#endif
}
/*
* Export the STDOUT handle.
*/
PH7_PRIVATE void *PH7_ExportStdout(ph7_vm *pVm) {
#ifndef PH7_DISABLE_DISK_IO
if(pVm->pStdout == 0) {
io_private *pOut;
/* Allocate an IO private instance */
pOut = (io_private *)SyMemBackendAlloc(&pVm->sAllocator, sizeof(io_private));
if(pOut == 0) {
return 0;
}
InitIOPrivate(pVm, &sPHP_Stream, pOut);
/* Initialize the handle */
pOut->pHandle = PHPStreamDataInit(pVm, PH7_IO_STREAM_STDOUT);
/* Install the STDOUT stream */
pVm->pStdout = pOut;
return pOut;
} else {
/* NULL or STDOUT */
return pVm->pStdout;
}
#else
return 0;
#endif
}
/*
* Export the STDERR handle.
*/
PH7_PRIVATE void *PH7_ExportStderr(ph7_vm *pVm) {
#ifndef PH7_DISABLE_DISK_IO
if(pVm->pStderr == 0) {
io_private *pErr;
/* Allocate an IO private instance */
pErr = (io_private *)SyMemBackendAlloc(&pVm->sAllocator, sizeof(io_private));
if(pErr == 0) {
return 0;
}
InitIOPrivate(pVm, &sPHP_Stream, pErr);
/* Initialize the handle */
pErr->pHandle = PHPStreamDataInit(pVm, PH7_IO_STREAM_STDERR);
/* Install the STDERR stream */
pVm->pStderr = pErr;
return pErr;
} else {
/* NULL or STDERR */
return pVm->pStderr;
}
#else
return 0;
#endif
}