84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
#pragma once
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#include <string>
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#include "7zip/7z.h"
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#include "7zip/7zCrc.h"
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#include "7zip/7zFile.h"
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#include "7zip/Types.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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C7zip(const char * FileName);
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~C7zip();
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typedef void (*LP7ZNOTIFICATION)(const char * Status, void * CBInfo);
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inline int NumFiles(void) const
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{
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return m_db ? m_db->db.NumFiles : 0;
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}
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inline CSzFileItem * FileItem(int index) const
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{
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return m_db ? &m_db->db.Files[index] : nullptr;
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}
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inline int FileSize(void) const
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{
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return m_FileSize;
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}
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inline bool OpenSuccess(void) const
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{
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return m_Opened;
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}
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bool GetFile(int index, Byte * Data, size_t DataLen);
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const char * FileName(char * FileName, size_t SizeOfFileName) const;
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std::wstring FileNameIndex(int index);
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void SetNotificationCallback(LP7ZNOTIFICATION NotfyFnc, void * CBInfo);
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private:
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C7zip(void);
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C7zip(const C7zip &);
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C7zip & operator=(const C7zip &);
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CSzArEx * m_db;
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CFileInStream m_archiveStream;
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CLookToRead m_archiveLookStream;
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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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bool m_Opened;
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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 void * AllocAllocImp(void * p, size_t size);
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static void AllocFreeImp(void * p, void * address); // Address can be 0
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static SRes SzFileReadImp(void * object, void * buffer, size_t * processedSize);
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static SRes SzFileSeekImp(void * p, Int64 * pos, ESzSeek origin);
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//static void __stdcall StatusUpdate(_7Z_STATUS status, int Value1, int Value2, C7zip * _this);
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static void NotfyCallbackDefault(const char * /*Status*/, void * /*CBInfo*/)
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{
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}
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LP7ZNOTIFICATION m_NotfyCallback;
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void * m_NotfyCallbackInfo;
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};
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