mirror of
https://github.com/holub/mame
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129 lines
2.5 KiB
C++
129 lines
2.5 KiB
C++
// FileStreams.h
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#ifndef __FILE_STREAMS_H
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#define __FILE_STREAMS_H
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#ifdef _WIN32
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#define USE_WIN_FILE
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#endif
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#include "../../Common/MyString.h"
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#ifdef USE_WIN_FILE
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#include "../../Windows/FileIO.h"
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#else
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#include "../../Common/C_FileIO.h"
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#endif
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#include "../../Common/MyCom.h"
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#include "../IStream.h"
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class CInFileStream:
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public IInStream,
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public IStreamGetSize,
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public CMyUnknownImp
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{
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public:
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#ifdef USE_WIN_FILE
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NWindows::NFile::NIO::CInFile File;
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#ifdef SUPPORT_DEVICE_FILE
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UInt64 VirtPos;
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UInt64 PhyPos;
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UInt64 BufferStartPos;
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Byte *Buffer;
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UInt32 BufferSize;
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#endif
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#else
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NC::NFile::NIO::CInFile File;
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#endif
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virtual ~CInFileStream();
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#ifdef SUPPORT_DEVICE_FILE
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CInFileStream();
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#endif
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bool Open(CFSTR fileName)
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{
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return File.Open(fileName);
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}
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bool OpenShared(CFSTR fileName, bool shareForWrite)
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{
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return File.OpenShared(fileName, shareForWrite);
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}
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MY_UNKNOWN_IMP2(IInStream, IStreamGetSize)
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STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
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STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
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STDMETHOD(GetSize)(UInt64 *size);
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};
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class CStdInFileStream:
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public ISequentialInStream,
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public CMyUnknownImp
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{
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public:
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MY_UNKNOWN_IMP
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virtual ~CStdInFileStream() {}
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STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
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};
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class COutFileStream:
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public IOutStream,
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public CMyUnknownImp
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{
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public:
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#ifdef USE_WIN_FILE
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NWindows::NFile::NIO::COutFile File;
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#else
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NC::NFile::NIO::COutFile File;
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#endif
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virtual ~COutFileStream() {}
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bool Create(CFSTR fileName, bool createAlways)
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{
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ProcessedSize = 0;
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return File.Create(fileName, createAlways);
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}
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bool Open(CFSTR fileName, DWORD creationDisposition)
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{
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ProcessedSize = 0;
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return File.Open(fileName, creationDisposition);
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}
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HRESULT Close();
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UInt64 ProcessedSize;
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#ifdef USE_WIN_FILE
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bool SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime)
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{
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return File.SetTime(cTime, aTime, mTime);
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}
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bool SetMTime(const FILETIME *mTime) { return File.SetMTime(mTime); }
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#endif
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MY_UNKNOWN_IMP1(IOutStream)
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STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
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STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
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STDMETHOD(SetSize)(UInt64 newSize);
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};
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class CStdOutFileStream:
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public ISequentialOutStream,
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public CMyUnknownImp
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{
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public:
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MY_UNKNOWN_IMP
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virtual ~CStdOutFileStream() {}
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STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
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};
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#endif
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