diff options
| author | John Schoenick <[email protected]> | 2015-09-09 18:35:41 -0700 |
|---|---|---|
| committer | John Schoenick <[email protected]> | 2015-09-09 18:35:41 -0700 |
| commit | 0d8dceea4310fde5706b3ce1c70609d72a38efdf (patch) | |
| tree | c831ef32c2c801a5c5a80401736b52c7b5a528ec /mp/src/utils/lzma/C/7z.h | |
| parent | Updated the SDK with the latest code from the TF and HL2 branches. (diff) | |
| download | source-sdk-2013-master.tar.xz source-sdk-2013-master.zip | |
Diffstat (limited to 'mp/src/utils/lzma/C/7z.h')
| -rw-r--r-- | mp/src/utils/lzma/C/7z.h | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/mp/src/utils/lzma/C/7z.h b/mp/src/utils/lzma/C/7z.h new file mode 100644 index 00000000..ca4a2233 --- /dev/null +++ b/mp/src/utils/lzma/C/7z.h @@ -0,0 +1,216 @@ +/* 7z.h -- 7z interface +2013-01-18 : Igor Pavlov : Public domain */ + +#ifndef __7Z_H +#define __7Z_H + +#include "7zTypes.h" + +EXTERN_C_BEGIN + +#define k7zStartHeaderSize 0x20 +#define k7zSignatureSize 6 + +extern Byte k7zSignature[k7zSignatureSize]; + +typedef struct +{ + const Byte *Data; + size_t Size; +} CSzData; + +/* CSzCoderInfo & CSzFolder support only default methods */ + +typedef struct +{ + size_t PropsOffset; + UInt32 MethodID; + Byte NumInStreams; + Byte NumOutStreams; + Byte PropsSize; +} CSzCoderInfo; + +typedef struct +{ + UInt32 InIndex; + UInt32 OutIndex; +} CSzBindPair; + +#define SZ_NUM_CODERS_IN_FOLDER_MAX 4 +#define SZ_NUM_BINDS_IN_FOLDER_MAX 3 +#define SZ_NUM_PACK_STREAMS_IN_FOLDER_MAX 4 +#define SZ_NUM_CODERS_OUT_STREAMS_IN_FOLDER_MAX 4 + +typedef struct +{ + UInt32 NumCoders; + UInt32 NumBindPairs; + UInt32 NumPackStreams; + UInt32 MainOutStream; + UInt32 PackStreams[SZ_NUM_PACK_STREAMS_IN_FOLDER_MAX]; + CSzBindPair BindPairs[SZ_NUM_BINDS_IN_FOLDER_MAX]; + CSzCoderInfo Coders[SZ_NUM_CODERS_IN_FOLDER_MAX]; + UInt64 CodersUnpackSizes[SZ_NUM_CODERS_OUT_STREAMS_IN_FOLDER_MAX]; +} CSzFolder; + +/* +typedef struct +{ + size_t CodersDataOffset; + size_t UnpackSizeDataOffset; + // UInt32 StartCoderUnpackSizesIndex; + UInt32 StartPackStreamIndex; + // UInt32 IndexOfMainOutStream; +} CSzFolder2; +*/ + +SRes SzGetNextFolderItem(CSzFolder *f, CSzData *sd, CSzData *sdSizes); + +typedef struct +{ + UInt32 Low; + UInt32 High; +} CNtfsFileTime; + +typedef struct +{ + Byte *Defs; /* MSB 0 bit numbering */ + UInt32 *Vals; +} CSzBitUi32s; + +typedef struct +{ + Byte *Defs; /* MSB 0 bit numbering */ + // UInt64 *Vals; + CNtfsFileTime *Vals; +} CSzBitUi64s; + +#define SzBitArray_Check(p, i) (((p)[(i) >> 3] & (0x80 >> ((i) & 7))) != 0) + +#define SzBitWithVals_Check(p, i) ((p)->Defs && ((p)->Defs[(i) >> 3] & (0x80 >> ((i) & 7))) != 0) + +typedef struct +{ + UInt32 NumPackStreams; + UInt32 NumFolders; + + UInt64 *PackPositions; // NumPackStreams + 1 + CSzBitUi32s FolderCRCs; + + size_t *FoCodersOffsets; + size_t *FoSizesOffsets; + // UInt32 StartCoderUnpackSizesIndex; + UInt32 *FoStartPackStreamIndex; + + // CSzFolder2 *Folders; // +1 item for sum values + Byte *CodersData; + Byte *UnpackSizesData; + size_t UnpackSizesDataSize; + // UInt64 *CoderUnpackSizes; +} CSzAr; + + +SRes SzAr_DecodeFolder(const CSzAr *p, UInt32 folderIndex, + ILookInStream *stream, UInt64 startPos, + Byte *outBuffer, size_t outSize, + ISzAlloc *allocMain); + +/* + SzExtract extracts file from archive + + *outBuffer must be 0 before first call for each new archive. + + Extracting cache: + If you need to decompress more than one file, you can send + these values from previous call: + *blockIndex, + *outBuffer, + *outBufferSize + You can consider "*outBuffer" as cache of solid block. If your archive is solid, + it will increase decompression speed. + + If you use external function, you can declare these 3 cache variables + (blockIndex, outBuffer, outBufferSize) as static in that external function. + + Free *outBuffer and set *outBuffer to 0, if you want to flush cache. +*/ + +typedef struct +{ + CSzAr db; + + UInt64 startPosAfterHeader; + UInt64 dataPos; + + UInt32 NumFiles; + + UInt64 *UnpackPositions; + // Byte *IsEmptyFiles; + Byte *IsDirs; + CSzBitUi32s CRCs; + + CSzBitUi32s Attribs; + // CSzBitUi32s Parents; + CSzBitUi64s MTime; + CSzBitUi64s CTime; + + // UInt32 *FolderStartPackStreamIndex; + UInt32 *FolderStartFileIndex; // + 1 + UInt32 *FileIndexToFolderIndexMap; + + size_t *FileNameOffsets; /* in 2-byte steps */ + Byte *FileNames; /* UTF-16-LE */ +} CSzArEx; + +#define SzArEx_IsDir(p, i) (SzBitArray_Check((p)->IsDirs, i)) + +#define SzArEx_GetFileSize(p, i) ((p)->UnpackPositions[(i) + 1] - (p)->UnpackPositions[i]) + +void SzArEx_Init(CSzArEx *p); +void SzArEx_Free(CSzArEx *p, ISzAlloc *alloc); +UInt64 SzArEx_GetFolderStreamPos(const CSzArEx *p, UInt32 folderIndex, UInt32 indexInFolder); +int SzArEx_GetFolderFullPackSize(const CSzArEx *p, UInt32 folderIndex, UInt64 *resSize); + +/* +if dest == NULL, the return value specifies the required size of the buffer, + in 16-bit characters, including the null-terminating character. +if dest != NULL, the return value specifies the number of 16-bit characters that + are written to the dest, including the null-terminating character. */ + +size_t SzArEx_GetFileNameUtf16(const CSzArEx *p, size_t fileIndex, UInt16 *dest); + +/* +size_t SzArEx_GetFullNameLen(const CSzArEx *p, size_t fileIndex); +UInt16 *SzArEx_GetFullNameUtf16_Back(const CSzArEx *p, size_t fileIndex, UInt16 *dest); +*/ + +SRes SzArEx_Extract( + const CSzArEx *db, + ILookInStream *inStream, + UInt32 fileIndex, /* index of file */ + UInt32 *blockIndex, /* index of solid block */ + Byte **outBuffer, /* pointer to pointer to output buffer (allocated with allocMain) */ + size_t *outBufferSize, /* buffer size for output buffer */ + size_t *offset, /* offset of stream for required file in *outBuffer */ + size_t *outSizeProcessed, /* size of file in *outBuffer */ + ISzAlloc *allocMain, + ISzAlloc *allocTemp); + + +/* +SzArEx_Open Errors: +SZ_ERROR_NO_ARCHIVE +SZ_ERROR_ARCHIVE +SZ_ERROR_UNSUPPORTED +SZ_ERROR_MEM +SZ_ERROR_CRC +SZ_ERROR_INPUT_EOF +SZ_ERROR_FAIL +*/ + +SRes SzArEx_Open(CSzArEx *p, ILookInStream *inStream, + ISzAlloc *allocMain, ISzAlloc *allocTemp); + +EXTERN_C_END + +#endif |