Rewrite INI parser
This commit is contained in:
Jozef Nagy
parent
e8574a6d8c
commit
fabadd013c
@ -66,7 +66,7 @@ file(RELATIVE_PATH _PATH_PREFIX ${EXECTOS_BINARY_DIR} ${EXECTOS_SOURCE_DIR})
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add_compiler_flags(-D__RELFILE__="&__FILE__[__FILE__[0] == '.' ? sizeof \\\"${_PATH_PREFIX}\\\" - 1 : sizeof XTOS_SOURCE_DIR]")
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# Set the virtual disk image size (in MiB)
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set_disk_image_size(128)
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set_disk_image_size(16)
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# Build all subprojects
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add_subdirectory(bootdata)
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107
xtldr2/config.c
107
xtldr2/config.c
@ -13,7 +13,7 @@
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* Parses configuration INI file contents.
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*
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* @param FileContents
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* Supplies a pointer to a string containing contents of the configuration file.
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* Supplies a pointer to a wide string containing contents of the configuration file.
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*
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* @param Sections
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* Supplies a pointer to a linked list which will be written by this routine.
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@ -27,76 +27,83 @@ XTSTATUS
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BlConfigParseIniFile(IN PWCHAR FileContents,
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OUT PLIST_ENTRY Sections)
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{
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PWCHAR Line, LastLine, Key, Value;
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SIZE_T Length, KeyLength;
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PWCHAR CurrentSectionName, Key, Value;
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PWCHAR Input;
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UINT SectionLength, KeyLength, ValueLength;
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UINT Error;
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Input = FileContents;
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CurrentSectionName = L"None";
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/* There's not error at the moment */
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Error = 0;
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/* Tokenize provided options */
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Line = RtlWideStringTokenize(FileContents, L"\n", &LastLine);
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while(Line != NULL)
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while(*Input != 0)
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{
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Length = RtlWideStringLength(Line, 0);
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SectionLength = 0;
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KeyLength = 0;
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ValueLength = 0;
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/* Parse */
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if (Length < 1)
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if(*Input == ';' || *Input == '#')
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{
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/* Blank line */
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/* Skip comments */
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while(*Input != 0 && *Input != '\n')
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{
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Input++;
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}
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}
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else if (RtlWideStringCompare(Line, L"#", 1) == 0 ||
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RtlWideStringCompare(Line, L";", 1) == 0)
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else if(*Input == '\n')
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{
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/* Don't parse a comment */
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/* Skip newline */
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Input++;
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}
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else if (RtlWideStringCompare(Line, L"[", 1) == 0 &&
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RtlWideStringCompare(Line + Length - 3, L"]", 1) == 0)
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else if(*Input == '[')
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{
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/* Get the section name */
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Input++;
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CurrentSectionName = Input;
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/* Remove brackets around section name */
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PWCHAR SectionName = Line + 1;
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SectionName[Length - 3] = 0;
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/* Skip to the next line */
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while(*Input != ']' && *Input != 0 && *Input != '\n')
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{
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Input++;
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SectionLength++;
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}
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CurrentSectionName[SectionLength] = 0;
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Input++;
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/* Save section name */
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BlConsolePrint(L"Section: %S\n", SectionName);
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BlConsolePrint(L"[%S]\n", CurrentSectionName);
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}
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else
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{
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KeyLength = 0;
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/* Set key=value pair to the entire line for further processing */
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Value = Line;
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Key = Line;
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/* Get the value */
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while(Value != 0 &&
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RtlWideStringCompare(Value, L"=", 1) != 0)
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/* Get the length of key */
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while(*Input != '=' && *Input != 0 && *Input != '\n')
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{
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Value++;
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Input++;
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KeyLength++;
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}
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/* Get rid of the leading '=' */
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Value++;
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/* Set the key */
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/* Set key */
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Input -= KeyLength;
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Key = Input;
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Key[KeyLength] = 0;
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BlConsolePrint(L"%S=", Key);
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BlConsolePrint(L"Key: %S\n Value: %S\n", Key, Value);
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/* Skip to the value */
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Input += KeyLength + 1;
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/* Get the length of value */
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while(*Input != 0 && *Input != '\n')
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{
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Input++;
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ValueLength++;
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}
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/* Set value */
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Input -= ValueLength;
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Value = Input;
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Value[ValueLength] = 0;
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BlConsolePrint(L"%S\n", Value);
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Input += ValueLength;
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Input++;
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}
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if(Error == 1)
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{
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/* Display error message and exit */
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BlConsolePrint(L"Syntax error\n");
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return STATUS_INVALID_PARAMETER;
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}
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/* Take next line */
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Line = RtlWideStringTokenize(NULL, L"\n", &LastLine);
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}
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return STATUS_SUCCESS;
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@ -38,13 +38,13 @@ BlStartXtLoader(IN EFI_HANDLE ImageHandle,
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RtlInitializeListHead(&ConfigSections);
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/* Initialize UEFI console and early print XTLDR version */
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BlConsoleInitialize();
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BlpConsoleInitialize();
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/* Parse INI Configuration file */
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BlConfigParseIniFile(L"# This is the XT Boot Loader (XTLDR) configuration file. It follows an INI format and is divided into sections, which\n# contain a properties. Each property has a name and value delimited by an equal (=) character. Comments must start\n# with a semicolon (;) or a hash character (#) and run to the end of the line.\n#\n# Basic section is [XTLDR] which contains a bootloader specific options:\n# Debug - enables the debugging port and consists of two comma-separated parameters: com port and baud rate;\n# it is also possible to specify custom port address with: COM0:[address],[baud_rate]\n# Default - specifies which operating system listen in config file will be started if no choice is made\n# Theme - allows to set a custom theme to personalize XTLDR's look'n'feel\n# Timeout - sets the countdown timer (in seconds) before the default OS get started automatically\n# Tune - plays a tune on the pcspeaker right before the XTLDR loads\n#\n# Another type of section is [OS-Section] which adds a new position (operating system) to the boot menu. Each type\n# of the operating system provides a set of available parameters. If unsupported option is added, it is being ignored\n# by the XT Boot Loader. The available options are:\n# SystemName - sets a long operating system name that will be shown on the boot menu\n# SystemType - specifies an OS type from a predefined list of supported boot protocols\n# SystemPath - the ARC path, eg. multi(0)disk(0)rdisk(0)partition(1)\n# KernelFile - sets kernel filename with optional path relative to SystemPath\n# InitrdFile - sets initramfs image filename with optional path relative to SystemPath\n# HalFile - sets HAL filename with optional path relative to SystemPath\n# Parameters - specifies extra boot options for the kernel\n[XTLDR]Tune=400 880 2 988 2 783 2 392 2 587 3Debug=COM1,115200Timeout=30Theme=FancyDefault=ExectOS[ExectOS]SystemName=\"ExectOS Operating System\"SystemType=XTOSSystemPath=multi(0)disk(0)rdisk(0)partition(1)/ExectOSKernelFile=xtoskrnl.exeParameters=DEBUG DEBUGPORT=COM1,115200[Windows]SystemName=\"Microsoft Windows 2000\"SystemType=NT50SystemPath=multi(0)disk(0)rdisk(0)partition(2)/WindowsKernelFile=ntoskrnl.exeHalFile=hal.dllParameters=/NOGUIBOOT /MININT[Linux]SystemName=\"GNU/Linux\"SystemType=LINUXSystemPath=multi(0)disk(0)rdisk(0)partition(3)/bootKernelFile=vmlinuzInitrdFile=initramfs.cpio.gzParameters=root=/dev/xvda3 rootfstype=ext4", &ConfigSections);
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/* Initialize XTLDR and early print XTLDR version */
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BlpInitializeEfiBootLoader();
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BlConfigParseIniFile(L"# This is the XT Boot Loader (XTLDR) configuration file. It follows an INI format and is divided into sections, which\n# contain a properties. Each property has a name and value delimited by an equal (=) character. Comments must start\n# with a semicolon (;) or a hash character (#) and run to the end of the line.\n#\n# Basic section is [XTLDR] which contains a bootloader specific options:\n# Debug - enables the debugging port and consists of two comma-separated parameters: com port and baud rate;\n# it is also possible to specify custom port address with: COM0:[address],[baud_rate]\n# Default - specifies which operating system listen in config file will be started if no choice is made\n# Timeout - sets the countdown timer (in seconds) before the default OS get started automatically\n# Tune - plays a tune on the pcspeaker right before the XTLDR loads\n#\n# Another type of section is [OS-Section] which adds a new position (operating system) to the boot menu. Each type\n# of the operating system provides a set of available parameters. If unsupported option is added, it is being ignored\n# by the XT Boot Loader. The available options are:\n# SystemName - sets a long operating system name that will be shown on the boot menu\n# SystemType - specifies an OS type from a predefined list of supported boot protocols\n# SystemPath - the ARC path, eg. multi(0)disk(0)rdisk(0)partition(1)\n# KernelFile - sets kernel filename with optional path relative to SystemPath\n# InitrdFile - sets initramfs image filename with optional path relative to SystemPath\n# HalFile - sets HAL filename with optional path relative to SystemPath\n# Parameters - specifies extra boot options for the kernel\n\n[XTLDR]\nTune=400 880 2 988 2 783 2 392 2 587 3\nDebug=COM1,115200\nTimeout=30\nDefault=ExectOS\n\n[ExectOS]\nSystemName=\"ExectOS Operating System\"\nSystemType=XTOS\nSystemPath=multi(0)disk(0)rdisk(0)partition(1)/ExectOS\nKernelFile=xtoskrnl.exe\nParameters=DEBUG DEBUGPORT=COM1,115200\n\n[Windows]\nSystemName=\"Microsoft Windows 2000\"\nSystemType=NT50\nSystemPath=multi(0)disk(0)rdisk(0)partition(2)/Windows\nKernelFile=ntoskrnl.exe\nHalFile=hal.dll\nParameters=/NOGUIBOOT /MININT\n\n[Linux]\nSystemName=\"GNU/Linux\"\nSystemType=LINUX\nSystemPath=multi(0)disk(0)rdisk(0)partition(3)/boot\nKernelFile=vmlinuz\nInitrdFile=initramfs.cpio.gz\nParameters=root=/dev/xvda3 rootfstype=ext4", &ConfigSections);
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BlConsolePrint(L"XTLDR boot loader v%s\n", XTOS_VERSION);
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/* Parse configuration options passed from UEFI shell */
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