cZipReader.h

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//
//
 
#ifndef _INC_cZipReader_H
#define _INC_cZipReader_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "cZipDir.h"
 
#ifdef USE_ZLIB
#include "GrayCore/include/cString.h"
#include "GrayCore/include/cStreamProgress.h"
 
namespace GrayLib
{
        class cZipFileEntry1;
 
        class GRAYLIB_LINK cZipReader // : public IResourceLoader
        {
 
        public:
                cZipDir m_dir;                  
 
                // current file stuff.
                ITERATE_t m_nFileNum;                   
                ZIP_OFFSET_t m_nOffsetCHEntry;  
                cZipFileEntry1 m_Entry;                 
 
        protected:
                cStreamInput* m_pInp;   
 
        protected:
                HRESULT GoToFileFirst();
                HRESULT GoToFileNext();
                HRESULT UnzipFileCurrent(cStreamOutput& so, const char* pszPassword = nullptr) const;
                HRESULT UnzipFileCurrent(cStringF sPathDest, const char* pszPassword = nullptr) const;
 
        public:
                cZipReader();
                virtual ~cZipReader();
 
                // simple interface
                static HRESULT GRAYCALL Unzip(const FILECHAR_t* pszZipFilePath, const FILECHAR_t* pszDestFolder = nullptr, ZIP_CTRL_TYPE bZCtrl = 0, const char* pszPassword = nullptr, IStreamProgressCallback* pProgress = nullptr);
 
                // extended interface
                HRESULT OpenUnZip(cStreamInput& rInp);
 
                // ASSUMES OpenUnZip called()
                HRESULT UnzipTo(const FILECHAR_t* pszDestFolder, ZIP_CTRL_TYPE bZCtrl = 0, const char* pszPassword = nullptr, IStreamProgressCallback* pProgress = nullptr); // unzips to specified folder
 
                // unzip by file index
                int get_FileCount() const;
                // get info for the current file.
                HRESULT GetFileInfo(cZipFileEntry1& info) const;
 
                HRESULT GotoFileNum(ITERATE_t nFile);
                HRESULT GotoFileInfo(ITERATE_t nFile, cZipFileEntry1& info);
                HRESULT GotoFileFirstExt(const FILECHAR_t* pszExt = nullptr);
                HRESULT GotoFileNextExt(const FILECHAR_t* pszExt = nullptr);
                HRESULT GotoFileFind(const FILECHAR_t* pszFileName, ZIP_CTRL_TYPE bZCtrl = ZIP_CTRL_FLAT);
 
                // unzip current file
                HRESULT UnzipFile(const FILECHAR_t* pszDestFolder = nullptr, ZIP_CTRL_TYPE bZCtrl = 0, const char* pszPassword = nullptr);
 
                UNITTEST_FRIEND(cZipReader);
        };
};
#endif // USE_ZLIB
#endif // !_INC_cZipReader_H