INI configuration parser for XTLDR

2023-12-03 18:23:50 +01:00
parent a66456979a
commit cb7f4deb37
5 changed files with 133 additions and 0 deletions
--- a/xtldr2/config.c
+++ b/xtldr2/config.c
@@ -4,10 +4,115 @@
 * FILE:            xtldr/config.c
 * DESCRIPTION:     XT Boot Loader Configuration
 * DEVELOPERS:      Rafal Kupiec <belliash@codingworkshop.eu.org>
+ *                  Jozef Nagy <schkwve@gmail.com>
 */

 #include <xtbm.h>

+/**
+ * Parses configuration INI file contents.
+ * 
+ * @param FileContents
+ *        Supplies a pointer to a wide string containing contents of the configuration file.
+ * 
+ * @param Sections
+ *        Supplies a pointer to a linked list which will be written by this routine.
+ * 
+ * @return This routine returns a status code.
+ * 
+ * @since XT 1.0
+ */
+XTCDECL
+XTSTATUS
+BlConfigParseIniFile(IN PWCHAR FileContents,
+                     OUT PLIST_ENTRY Sections)
+{
+    PWCHAR Argument, LastArg, CurrentSectionName;
+    SIZE_T Length;
+
+    /* Set a default section name */
+    CurrentSectionName = L"Unknown";
+
+    /* Tokenize provided options */
+    Argument = RtlWideStringTokenize(FileContents, L"\r\n", &LastArg);
+
+    /* Iterate over all arguments passed to boot loader */
+    while(Argument != NULL)
+    {
+        /* Check every line */
+        if(RtlWideStringCompare(Argument, L"[", 1) == 0)
+        {
+            /* Skip to the section name */
+            Argument += 1;
+            Length = RtlWideStringLength(Argument, 0);
+
+            /* Everything until ']' belongs to the section's name */
+            // CurrentSectionName = RtlWideStringTokenize(Argument, L"]", &LastArg);
+            BlConsolePrint(L"New section: %S\n", CurrentSectionName);
+        }
+        else if(RtlWideStringCompare(Argument, L"Default=", 8) == 0)
+        {
+            /* Skip to the argument value and calculate argument length */
+            Argument += 8;
+            Length = RtlWideStringLength(Argument, 0);
+
+            /* Set a default section */
+            BlConsolePrint(L"Setting DEFAULT value to %S\n", Argument);
+        }
+        else if(RtlWideStringCompare(Argument, L"Debug=", 6) == 0)
+        {
+            /* Skip to the argument value */
+            Argument += 6;
+            Length = RtlWideStringLength(Argument, 0);
+
+            /* Set a debug port and baud rate */
+            BlConsolePrint(L"Setting DEBUG value to %S\n", Argument);
+        }
+        else if(RtlWideStringCompare(Argument, L"Theme=", 6) == 0)
+        {
+            /* Skip to the argument value */
+            Argument += 6;
+            Length = RtlWideStringLength(Argument, 0);
+
+            /* Set a theme name */
+            BlConsolePrint(L"Setting THEME value to %S\n", Argument);
+        }
+        else if(RtlWideStringCompare(Argument, L"Timeout=", 8) == 0)
+        {
+            /* Skip to the argument value */
+            Argument += 8;
+            Length = RtlWideStringLength(Argument, 0);
+
+            /* Set a timeout */
+            BlConsolePrint(L"Setting TIMEOUT value to %S\n", Argument);
+        }
+        else if(RtlWideStringCompare(Argument, L"Tune=", 5) == 0)
+        {
+            /* Skip to the argument value */
+            Argument += 5;
+            Length = RtlWideStringLength(Argument, 0);
+
+            /* Set a tune */
+            BlConsolePrint(L"Setting TUNE value to %S\n", Argument);
+        }
+        else if(RtlWideStringCompare(Argument, L"#", 1) == 0)
+        {
+            /* We can safely ignore a comment */
+            Argument += 1;
+        }
+        else
+        {
+            /* Configuration file might be corrupt */
+            BlConsolePrint(L"Unknown argument: %S\n", Argument);
+            return STATUS_INVALID_PARAMETER;
+        }
+
+        /* Take next argument */
+        Argument = RtlWideStringTokenize(NULL, L"\n", &LastArg);
+    }
+
+    return STATUS_SUCCESS;
+}

 /**
 * Parses command line arguments and updates global configuration.