project64/Source/Project64-core/3rdParty/7zip.h

70 lines
2.1 KiB
C++

#pragma once
#include <string>
#ifdef __cplusplus
extern "C" {
#endif
#include "7zip/7zCrc.h"
#include "7zip/7z.h"
#include "7zip/7zFile.h"
#include "7zip/Types.h"
#ifdef __cplusplus
}
#endif
class C7zip
{
public:
C7zip(const char * FileName);
~C7zip();
typedef void (*LP7ZNOTIFICATION)(const char * Status, void * CBInfo);
inline int NumFiles(void) const { return m_db ? m_db->db.NumFiles : 0; }
inline CSzFileItem * FileItem(int index) const { return m_db ? &m_db->db.Files[index] : nullptr; }
inline int FileSize(void) const { return m_FileSize; }
inline bool OpenSuccess(void) const { return m_Opened; }
bool GetFile(int index, Byte * Data, size_t DataLen);
const char * FileName(char * FileName, size_t SizeOfFileName) const;
std::wstring FileNameIndex(int index);
void SetNotificationCallback(LP7ZNOTIFICATION NotfyFnc, void * CBInfo);
private:
C7zip(void);
C7zip(const C7zip&);
C7zip& operator=(const C7zip&);
CSzArEx * m_db;
CFileInStream m_archiveStream;
CLookToRead m_archiveLookStream;
ISzAlloc m_allocImp;
ISzAlloc m_allocTempImp;
int m_FileSize;
char m_FileName[260];
int m_CurrentFile;
bool m_Opened;
// Used for extraction
UInt32 m_blockIndex; // It can have any value before first call (if outBuffer = 0)
Byte * m_outBuffer; // It must be 0 before first call for each new archive
size_t m_outBufferSize; // It can have any value before first call (if outBuffer = 0)
static void * AllocAllocImp(void *p, size_t size);
static void AllocFreeImp(void *p, void *address); // Address can be 0
static SRes SzFileReadImp(void *object, void *buffer, size_t *processedSize);
static SRes SzFileSeekImp(void *p, Int64 *pos, ESzSeek origin);
//static void __stdcall StatusUpdate(_7Z_STATUS status, int Value1, int Value2, C7zip * _this);
static void NotfyCallbackDefault(const char * /*Status*/, void * /*CBInfo*/) { }
LP7ZNOTIFICATION m_NotfyCallback;
void * m_NotfyCallbackInfo;
};