forked from Mirrors/openclonk
85 lines
2.3 KiB
C++
85 lines
2.3 KiB
C++
/*
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* OpenClonk, http://www.openclonk.org
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*
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* Copyright (c) 1998-2000 Matthes Bender
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* Copyright (c) 2004, 2007 Günther Brammer
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* Copyright (c) 2008 Peter Wortmann
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* Copyright (c) 2001-2009, RedWolf Design GmbH, http://www.clonk.de
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*
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* Portions might be copyrighted by other authors who have contributed
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* to OpenClonk.
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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* See isc_license.txt for full license and disclaimer.
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*
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* "Clonk" is a registered trademark of Matthes Bender.
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* See clonk_trademark_license.txt for full license.
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*/
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/* A handy wrapper class to gzio files */
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#ifndef INC_CSTDFILE
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#define INC_CSTDFILE
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#include <stdio.h>
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#include <StdFile.h>
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#include <StdBuf.h>
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const int CStdFileBufSize = 4096;
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typedef void* gzFile;
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class CStdStream
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{
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public:
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virtual bool Read(void *pBuffer, size_t iSize) = 0;
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virtual bool Advance(int iOffset) = 0;
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// Get size. compatible with c4group!
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virtual size_t AccessedEntrySize() = 0;
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virtual ~CStdStream() {}
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};
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class CStdFile: public CStdStream
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{
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public:
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CStdFile();
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~CStdFile();
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bool Status;
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char Name[_MAX_PATH+1];
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protected:
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FILE *hFile;
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gzFile hgzFile;
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StdBuf *pMemory;
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int MemoryPtr;
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BYTE Buffer[CStdFileBufSize];
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int BufferLoad,BufferPtr;
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bool ModeWrite;
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public:
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bool Create(const char *szFileName, bool fCompressed=false, bool fExecutable=false, bool fMemory=false);
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bool Open(const char *szFileName, bool fCompressed=false);
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bool Append(const char *szFilename); // append (uncompressed only)
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bool Close(StdBuf **ppMemory = NULL);
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bool Default();
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bool Read(void *pBuffer, size_t iSize) { return Read(pBuffer, iSize, 0); }
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bool Read(void *pBuffer, size_t iSize, size_t *ipFSize);
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bool Write(const void *pBuffer, int iSize);
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bool WriteString(const char *szStr);
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bool Rewind();
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bool Advance(int iOffset);
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// flush contents to disk
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inline bool Flush() { if (ModeWrite && BufferLoad) return SaveBuffer(); else return true; }
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size_t AccessedEntrySize();
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protected:
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void ClearBuffer();
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int LoadBuffer();
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bool SaveBuffer();
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};
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int UncompressedFileSize(const char *szFileName);
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bool GetFileCRC(const char *szFilename, uint32_t *pCRC32);
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bool GetFileSHA1(const char *szFilename, BYTE *pSHA1);
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#endif // INC_CSTDFILE
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