60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
#ifdef __cplusplus
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extern "C" {
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#endif
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#include "7zip\7zCrc.h"
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#include "7zip\7zIn.h"
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#include "7zip\7zExtract.h"
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#ifdef __cplusplus
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}
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#endif
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class C7zip
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{
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public:
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typedef void (__stdcall *LP7ZNOTIFICATION)( LPCSTR Status, void * CBInfo );
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private:
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typedef struct _CFileInStream
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{
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ISzInStream InStream;
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FILE *File;
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} CFileInStream;
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CArchiveDatabaseEx m_db;
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CFileInStream m_archiveStream;
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ISzAlloc m_allocImp;
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ISzAlloc m_allocTempImp;
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int m_FileSize;
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char m_FileName[260];
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int m_CurrentFile;
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//Used for extraction
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UInt32 m_blockIndex ; // it can have any value before first call (if outBuffer = 0)
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Byte * m_outBuffer; // it must be 0 before first call for each new archive.
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size_t m_outBufferSize; // it can have any value before first call (if outBuffer = 0)
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static SZ_RESULT SzFileReadImp(void *object, void *buffer, size_t size, size_t *processedSize);
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static SZ_RESULT SzFileSeekImp(void *object, CFileSize pos);
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static void __stdcall StatusUpdate(_7Z_STATUS status, int Value1, int Value2, C7zip * _this);
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static void __stdcall NotfyCallbackDefault ( LPCSTR Status, void * CBInfo ) { }
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LP7ZNOTIFICATION NotfyCallback;
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void * NotfyCallbackInfo;
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public:
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C7zip (LPCSTR FileName);
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~C7zip ();
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inline int NumFiles ( void ) const { return m_db.Database.NumFiles; }
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inline CFileItem * FileItem ( int index ) const { return &m_db.Database.Files[index]; }
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bool GetFile ( int index, Byte * Data, size_t DataLen );
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char * FileName ( char * FileName, int SizeOfFileName ) const;
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inline int FileSize ( void ) const { return m_FileSize; }
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void SetNotificationCallback (LP7ZNOTIFICATION NotfyFnc, void * CBInfo);
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}; |