misc/libphysfs/lzma/C/Archive/7z/7zIn.h
changeset 12213 bb5522e88ab2
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12212:ea891871f481 12213:bb5522e88ab2
       
     1 /* 7zIn.h */
       
     2 
       
     3 #ifndef __7Z_IN_H
       
     4 #define __7Z_IN_H
       
     5 
       
     6 #include "7zHeader.h"
       
     7 #include "7zItem.h"
       
     8 #include "7zAlloc.h"
       
     9  
       
    10 typedef struct _CInArchiveInfo
       
    11 {
       
    12   CFileSize StartPositionAfterHeader; 
       
    13   CFileSize DataStartPosition;
       
    14 }CInArchiveInfo;
       
    15 
       
    16 typedef struct _CArchiveDatabaseEx
       
    17 {
       
    18   CArchiveDatabase Database;
       
    19   CInArchiveInfo ArchiveInfo;
       
    20   UInt32 *FolderStartPackStreamIndex;
       
    21   CFileSize *PackStreamStartPositions;
       
    22   UInt32 *FolderStartFileIndex;
       
    23   UInt32 *FileIndexToFolderIndexMap;
       
    24 }CArchiveDatabaseEx;
       
    25 
       
    26 void SzArDbExInit(CArchiveDatabaseEx *db);
       
    27 void SzArDbExFree(CArchiveDatabaseEx *db, void (*freeFunc)(void *));
       
    28 CFileSize SzArDbGetFolderStreamPos(CArchiveDatabaseEx *db, UInt32 folderIndex, UInt32 indexInFolder);
       
    29 int SzArDbGetFolderFullPackSize(CArchiveDatabaseEx *db, UInt32 folderIndex, CFileSize *resSize);
       
    30 
       
    31 typedef struct _ISzInStream
       
    32 {
       
    33   #ifdef _LZMA_IN_CB
       
    34   SZ_RESULT (*Read)(
       
    35       void *object,           /* pointer to ISzInStream itself */
       
    36       void **buffer,          /* out: pointer to buffer with data */
       
    37       size_t maxRequiredSize, /* max required size to read */
       
    38       size_t *processedSize); /* real processed size. 
       
    39                                  processedSize can be less than maxRequiredSize.
       
    40                                  If processedSize == 0, then there are no more 
       
    41                                  bytes in stream. */
       
    42   #else
       
    43   SZ_RESULT (*Read)(void *object, void *buffer, size_t size, size_t *processedSize);
       
    44   #endif
       
    45   SZ_RESULT (*Seek)(void *object, CFileSize pos);
       
    46 } ISzInStream;
       
    47 
       
    48  
       
    49 int SzArchiveOpen(
       
    50     ISzInStream *inStream, 
       
    51     CArchiveDatabaseEx *db,
       
    52     ISzAlloc *allocMain, 
       
    53     ISzAlloc *allocTemp);
       
    54  
       
    55 #endif