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