reactos/sdk/lib/inflib/infhostgen.c

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/*
* PROJECT: .inf file parser
* LICENSE: GPL - See COPYING in the top level directory
* PROGRAMMER: Royce Mitchell III
* Eric Kohl
* Ge van Geldorp <gvg@reactos.org>
*/
/* INCLUDES *****************************************************************/
#include "inflib.h"
#include "infhost.h"
#define NDEBUG
#include <debug.h>
/* PUBLIC FUNCTIONS *********************************************************/
int
InfHostOpenBufferedFile(PHINF InfHandle,
void *Buffer,
ULONG BufferSize,
LANGID LanguageId,
ULONG *ErrorLine)
{
INFSTATUS Status;
PINFCACHE Cache;
WCHAR *FileBuffer;
ULONG FileBufferSize;
*InfHandle = NULL;
*ErrorLine = (ULONG)-1;
/* Allocate file buffer */
FileBufferSize = BufferSize + 2;
FileBuffer = MALLOC(FileBufferSize);
if (FileBuffer == NULL)
{
DPRINT1("MALLOC() failed\n");
return(INF_STATUS_INSUFFICIENT_RESOURCES);
}
MEMCPY(FileBuffer, Buffer, BufferSize);
/* Append string terminator */
FileBuffer[BufferSize] = 0;
FileBuffer[BufferSize + 1] = 0;
/* Allocate infcache header */
Cache = (PINFCACHE)MALLOC(sizeof(INFCACHE));
if (Cache == NULL)
{
DPRINT1("MALLOC() failed\n");
FREE(FileBuffer);
return(INF_STATUS_INSUFFICIENT_RESOURCES);
}
/* Initialize inicache header */
ZEROMEMORY(Cache,
sizeof(INFCACHE));
Cache->LanguageId = LanguageId;
/* Parse the inf buffer */
if (!RtlIsTextUnicode(FileBuffer, (INT)FileBufferSize, NULL))
{
// static const BYTE utf8_bom[3] = { 0xef, 0xbb, 0xbf };
WCHAR *new_buff;
// UINT codepage = CP_ACP;
UINT offset = 0;
// if (BufferSize > sizeof(utf8_bom) && !memcmp(FileBuffer, utf8_bom, sizeof(utf8_bom) ))
// {
// codepage = CP_UTF8;
// offset = sizeof(utf8_bom);
// }
new_buff = MALLOC(FileBufferSize * sizeof(WCHAR));
if (new_buff != NULL)
{
ULONG len;
Status = RtlMultiByteToUnicodeN(new_buff,
FileBufferSize * sizeof(WCHAR),
&len,
(char *)FileBuffer + offset,
FileBufferSize - offset);
Status = InfpParseBuffer(Cache,
new_buff,
new_buff + len / sizeof(WCHAR),
ErrorLine);
FREE(new_buff);
}
else
Status = INF_STATUS_INSUFFICIENT_RESOURCES;
}
else
{
WCHAR *new_buff = (WCHAR *)FileBuffer;
/* UCS-16 files should start with the Unicode BOM; we should skip it */
if (*new_buff == 0xfeff)
{
new_buff++;
FileBufferSize -= sizeof(WCHAR);
}
Status = InfpParseBuffer(Cache,
new_buff,
(WCHAR*)((char*)new_buff + FileBufferSize),
ErrorLine);
}
if (!INF_SUCCESS(Status))
{
FREE(Cache);
Cache = NULL;
}
/* Free file buffer */
FREE(FileBuffer);
*InfHandle = (HINF)Cache;
return INF_SUCCESS(Status) ? 0 : -1;
}
int
InfHostOpenFile(PHINF InfHandle,
const CHAR *FileName,
LANGID LanguageId,
ULONG *ErrorLine)
{
FILE *File;
CHAR *FileBuffer;
ULONG FileLength;
ULONG FileBufferLength;
PINFCACHE Cache;
INFSTATUS Status = INF_STATUS_SUCCESS;
*InfHandle = NULL;
*ErrorLine = (ULONG)-1;
/* Open the inf file */
File = fopen(FileName, "rb");
if (NULL == File)
{
DPRINT1("fopen() failed (errno %d)\n", errno);
return -1;
}
DPRINT("fopen() successful\n");
/* Query file size */
if (fseek(File, (size_t)0, SEEK_END))
{
DPRINT1("fseek() to EOF failed (errno %d)\n", errno);
fclose(File);
return -1;
}
FileLength = (ULONG)ftell(File);
if ((ULONG) -1 == FileLength)
{
DPRINT1("ftell() failed (errno %d)\n", errno);
fclose(File);
return -1;
}
DPRINT("File size: %u\n", (UINT)FileLength);
/* Rewind */
if (fseek(File, (size_t)0, SEEK_SET))
{
DPRINT1("fseek() to BOF failed (errno %d)\n", errno);
fclose(File);
return -1;
}
/* Allocate file buffer */
FileBufferLength = FileLength + 2;
FileBuffer = MALLOC(FileBufferLength);
if (FileBuffer == NULL)
{
DPRINT1("MALLOC() failed\n");
fclose(File);
return -1;
}
/* Read file */
if (FileLength != fread(FileBuffer, (size_t)1, (size_t)FileLength, File))
{
DPRINT1("fread() failed (errno %d)\n", errno);
FREE(FileBuffer);
fclose(File);
return -1;
}
fclose(File);
/* Append string terminator */
FileBuffer[FileLength] = 0;
FileBuffer[FileLength + 1] = 0;
/* Allocate infcache header */
Cache = (PINFCACHE)MALLOC(sizeof(INFCACHE));
if (Cache == NULL)
{
DPRINT1("MALLOC() failed\n");
FREE(FileBuffer);
return -1;
}
/* Initialize inicache header */
ZEROMEMORY(Cache,
sizeof(INFCACHE));
Cache->LanguageId = LanguageId;
/* Parse the inf buffer */
if (!RtlIsTextUnicode(FileBuffer, (INT)FileBufferLength, NULL))
{
// static const BYTE utf8_bom[3] = { 0xef, 0xbb, 0xbf };
WCHAR *new_buff;
// UINT codepage = CP_ACP;
UINT offset = 0;
// if (FileLength > sizeof(utf8_bom) && !memcmp(FileBuffer, utf8_bom, sizeof(utf8_bom) ))
// {
// codepage = CP_UTF8;
// offset = sizeof(utf8_bom);
// }
new_buff = MALLOC(FileBufferLength * sizeof(WCHAR));
if (new_buff != NULL)
{
ULONG len;
Status = RtlMultiByteToUnicodeN(new_buff,
FileBufferLength * sizeof(WCHAR),
&len,
(char *)FileBuffer + offset,
FileBufferLength - offset);
Status = InfpParseBuffer(Cache,
new_buff,
new_buff + len / sizeof(WCHAR),
ErrorLine);
FREE(new_buff);
}
else
Status = INF_STATUS_INSUFFICIENT_RESOURCES;
}
else
{
WCHAR *new_buff = (WCHAR *)FileBuffer;
/* UCS-16 files should start with the Unicode BOM; we should skip it */
if (*new_buff == 0xfeff)
{
new_buff++;
FileBufferLength -= sizeof(WCHAR);
}
Status = InfpParseBuffer(Cache,
new_buff,
(WCHAR*)((char*)new_buff + FileBufferLength),
ErrorLine);
}
if (!INF_SUCCESS(Status))
{
FREE(Cache);
Cache = NULL;
}
/* Free file buffer */
FREE(FileBuffer);
*InfHandle = (HINF)Cache;
return INF_SUCCESS(Status) ? 0 : -1;
}
void
InfHostCloseFile(HINF InfHandle)
{
PINFCACHE Cache;
Cache = (PINFCACHE)InfHandle;
if (Cache == NULL)
{
return;
}
while (Cache->FirstSection != NULL)
{
Cache->FirstSection = InfpFreeSection(Cache->FirstSection);
}
Cache->LastSection = NULL;
FREE(Cache);
}
/* EOF */