+/*
+ * PROJECT: .inf file parser
+ * LICENSE: GPL - See COPYING in the top level directory
+ * COPYRIGHT: Copyright 2005 Ge van Geldorp <gvg@reactos.org>
+ */
+
+/* INCLUDES *****************************************************************/
+
+#include "inflib.h"
+
+#define NDEBUG
+#include <debug.h>
+
+#define EOL _T("\r\n")
+#define SIZE_INC 1024
+
+typedef struct _OUTPUTBUFFER
+{
+ PCHAR Buffer;
+ PCHAR Current;
+ ULONG TotalSize;
+ ULONG FreeSize;
+ INFSTATUS Status;
+} OUTPUTBUFFER, *POUTPUTBUFFER;
+
+static void
+Output(POUTPUTBUFFER OutBuf, PCTSTR Text)
+{
+ ULONG Length;
+ PCHAR NewBuf;
+ ULONG NewSize;
+
+ /* Skip mode? */
+ if (! INF_SUCCESS(OutBuf->Status))
+ {
+ return;
+ }
+
+ /* Doesn't fit? */
+ Length = _tcslen(Text);
+ if (OutBuf->FreeSize < Length + 1 && INF_SUCCESS(OutBuf->Status))
+ {
+ DPRINT("Out of free space. TotalSize %lu FreeSize %lu Length %u\n",
+ OutBuf->TotalSize, OutBuf->FreeSize, Length);
+ /* Round up to next SIZE_INC */
+ NewSize = OutBuf->TotalSize +
+ (((Length + 1) - OutBuf->FreeSize + (SIZE_INC - 1)) /
+ SIZE_INC) * SIZE_INC;
+ DPRINT("NewSize %lu\n", NewSize);
+ NewBuf = MALLOC(NewSize);
+ /* Abort if failed */
+ if (NULL == NewBuf)
+ {
+ DPRINT1("MALLOC() failed\n");
+ OutBuf->Status = INF_STATUS_NO_MEMORY;
+ return;
+ }
+
+ /* Need to copy old contents? */
+ if (NULL != OutBuf->Buffer)
+ {
+ DPRINT("Copying %lu bytes from old content\n",
+ OutBuf->TotalSize - OutBuf->FreeSize);
+ MEMCPY(NewBuf, OutBuf->Buffer, OutBuf->TotalSize - OutBuf->FreeSize);
+ OutBuf->Current = NewBuf + (OutBuf->Current - OutBuf->Buffer);
+ FREE(OutBuf->Buffer);
+ }
+ else
+ {
+ OutBuf->Current = NewBuf;
+ }
+ OutBuf->Buffer = NewBuf;
+ OutBuf->FreeSize += NewSize - OutBuf->TotalSize;
+ OutBuf->TotalSize = NewSize;
+ DPRINT("After reallocation TotalSize %lu FreeSize %lu\n",
+ OutBuf->TotalSize, OutBuf->FreeSize);
+ }
+
+ /* We're guaranteed to have enough room now. Copy char by char because of
+ possible "conversion" from Unicode to Ansi */
+ while (Length--)
+ {
+ *OutBuf->Current++ = (char) *Text++;
+ OutBuf->FreeSize--;
+ }
+ OutBuf->Current[1] = '\0';
+}
+
+INFSTATUS
+InfpBuildFileBuffer(PINFCACHE Cache,
+ PCHAR *Buffer,
+ PULONG BufferSize)
+{
+ OUTPUTBUFFER OutBuf;
+ PINFCACHESECTION CacheSection;
+ PINFCACHELINE CacheLine;
+ PINFCACHEFIELD CacheField;
+ PTCHAR p;
+ BOOLEAN NeedQuotes;
+
+ OutBuf.Buffer = NULL;
+ OutBuf.Current = NULL;
+ OutBuf.FreeSize = 0;
+ OutBuf.TotalSize = 0;
+ OutBuf.Status = INF_STATUS_SUCCESS;
+
+ /* Iterate through list of sections */
+ CacheSection = Cache->FirstSection;
+ while (CacheSection != NULL)
+ {
+ DPRINT("Processing section " STRFMT "\n", CacheSection->Name);
+ if (CacheSection != Cache->FirstSection)
+ {
+ Output(&OutBuf, EOL);
+ }
+ Output(&OutBuf, _T("["));
+ Output(&OutBuf, CacheSection->Name);
+ Output(&OutBuf, _T("]"));
+ Output(&OutBuf, EOL);
+
+ /* Iterate through list of lines */
+ CacheLine = CacheSection->FirstLine;
+ while (CacheLine != NULL)
+ {
+ if (NULL != CacheLine->Key)
+ {
+ DPRINT("Line with key " STRFMT "\n", CacheLine->Key);
+ Output(&OutBuf, CacheLine->Key);
+ Output(&OutBuf, _T(" = "));
+ }
+ else
+ {
+ DPRINT("Line without key\n");
+ }
+
+ /* Iterate through list of lines */
+ CacheField = CacheLine->FirstField;
+ while (CacheField != NULL)
+ {
+ if (CacheField != CacheLine->FirstField)
+ {
+ Output(&OutBuf, _T(","));
+ }
+ p = CacheField->Data;
+ NeedQuotes = FALSE;
+ while (_T('\0') != *p && ! NeedQuotes)
+ {
+ NeedQuotes = _T(',') == *p || _T(';') == *p ||
+ _T('\\') == *p;
+ p++;
+ }
+ if (NeedQuotes)
+ {
+ Output(&OutBuf, _T("\""));
+ Output(&OutBuf, CacheField->Data);
+ Output(&OutBuf, _T("\""));
+ }
+ else
+ {
+ Output(&OutBuf, CacheField->Data);
+ }
+
+ /* Get the next field */
+ CacheField = CacheField->Next;
+ }
+
+ Output(&OutBuf, EOL);
+ /* Get the next line */
+ CacheLine = CacheLine->Next;
+ }
+
+ /* Get the next section */
+ CacheSection = CacheSection->Next;
+ }
+
+ if (INF_SUCCESS(OutBuf.Status))
+ {
+ *Buffer = OutBuf.Buffer;
+ *BufferSize = OutBuf.TotalSize - OutBuf.FreeSize;
+ }
+ else if (NULL != OutBuf.Buffer)
+ {
+ FREE(OutBuf.Buffer);
+ }
+
+ return INF_STATUS_SUCCESS;
+}
+
+INFSTATUS
+InfpFindOrAddSection(PINFCACHE Cache,
+ PCTSTR Section,
+ PINFCONTEXT *Context)
+{
+ DPRINT("InfpFindOrAddSection section " STRFMT "\n", Section);
+
+ *Context = MALLOC(sizeof(INFCONTEXT));
+ if (NULL == *Context)
+ {
+ DPRINT1("MALLOC() failed\n");
+ return INF_STATUS_NO_MEMORY;
+ }
+
+ (*Context)->Inf = Cache;
+ (*Context)->Section = InfpFindSection(Cache, Section);
+ (*Context)->Line = NULL;
+ if (NULL == (*Context)->Section)
+ {
+ DPRINT("Section not found, creating it\n");
+ (*Context)->Section = InfpAddSection(Cache, Section);
+ if (NULL == (*Context)->Section)
+ {
+ DPRINT("Failed to create section\n");
+ FREE(*Context);
+ return INF_STATUS_NO_MEMORY;
+ }
+ }
+
+ return INF_STATUS_SUCCESS;
+}
+
+INFSTATUS
+InfpAddLineWithKey(PINFCONTEXT Context, PCTSTR Key)
+{
+ if (NULL == Context)
+ {
+ DPRINT1("Invalid parameter\n");
+ return INF_STATUS_INVALID_PARAMETER;
+ }
+
+ Context->Line = InfpAddLine(Context->Section);
+ if (NULL == Context->Line)
+ {
+ DPRINT("Failed to create line\n");
+ return INF_STATUS_NO_MEMORY;
+ }
+
+ if (NULL != Key && NULL == InfpAddKeyToLine(Context->Line, Key))
+ {
+ DPRINT("Failed to add key\n");
+ return INF_STATUS_NO_MEMORY;
+ }
+
+ return INF_STATUS_SUCCESS;
+}
+
+INFSTATUS
+InfpAddField(PINFCONTEXT Context, PCTSTR Data)
+{
+ if (NULL == Context || NULL == Context->Line)
+ {
+ DPRINT1("Invalid parameter\n");
+ return INF_STATUS_INVALID_PARAMETER;
+ }
+
+ if (NULL == InfpAddFieldToLine(Context->Line, Data))
+ {
+ DPRINT("Failed to add field\n");
+ return INF_STATUS_NO_MEMORY;
+ }
+
+ return INF_STATUS_SUCCESS;
+}
+
+/* EOF */
projects / reactos.git / commitdiff