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52 lines
2.5 KiB
52 lines
2.5 KiB
5 years ago
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//========= Copyright Valve Corporation, All rights reserved. ============//
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//
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// Purpose: Interface for filesystem calls used by the saverestore system
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// to manupulate the save directory.
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//
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//=============================================================================//
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#ifndef SAVERESTOREFILESYSTEM_H
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#define SAVERESTOREFILESYSTEM_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include "utlmap.h"
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#include "utlsymbol.h"
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#include "filesystem.h"
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abstract_class ISaveRestoreFileSystem
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{
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public:
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virtual FileHandle_t Open( const char *pFileName, const char *pOptions, const char *pathID = NULL ) = 0;
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virtual void Close( FileHandle_t ) = 0;
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virtual int Read( void *pOutput, int size, FileHandle_t file ) = 0;
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virtual int Write( void const* pInput, int size, FileHandle_t file ) = 0;
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virtual void Seek( FileHandle_t file, int pos, FileSystemSeek_t method ) = 0;
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virtual unsigned int Tell( FileHandle_t file ) = 0;
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virtual unsigned int Size( FileHandle_t file ) = 0;
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virtual unsigned int Size( const char *pFileName, const char *pPathID = NULL ) = 0;
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virtual bool FileExists( const char *pFileName, const char *pPathID = NULL ) = 0;
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virtual void RenameFile( char const *pOldPath, char const *pNewPath, const char *pathID = NULL ) = 0;
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virtual void RemoveFile( char const* pRelativePath, const char *pathID = NULL ) = 0;
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virtual void AsyncFinishAllWrites( void ) = 0;
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virtual void AsyncRelease( FSAsyncControl_t hControl ) = 0;
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virtual FSAsyncStatus_t AsyncWrite( const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, bool bAppend, FSAsyncControl_t *pControl = NULL ) = 0;
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virtual FSAsyncStatus_t AsyncFinish( FSAsyncControl_t hControl, bool wait = false ) = 0;
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virtual FSAsyncStatus_t AsyncAppend( const char *pFileName, const void *pSrc, int nSrcBytes, bool bFreeMemory, FSAsyncControl_t *pControl = NULL ) = 0;
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virtual FSAsyncStatus_t AsyncAppendFile( const char *pDestFileName, const char *pSrcFileName, FSAsyncControl_t *pControl = NULL ) = 0;
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virtual void DirectoryCopy( const char *pPath, const char *pDestFileName, bool bIsXSave ) = 0;
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virtual bool DirectoryExtract( FileHandle_t pFile, int fileCount, bool bIsXSave ) = 0;
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virtual int DirectoryCount( const char *pPath ) = 0;
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virtual void DirectoryClear( const char *pPath, bool bIsXSave ) = 0;
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virtual void AuditFiles( void ) = 0;
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virtual bool LoadFileFromDisk( const char *pFilename ) = 0;
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};
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extern ISaveRestoreFileSystem *g_pSaveRestoreFileSystem;
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#endif // SAVERESTOREFILESYSTEM_H
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