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-rwxr-xr-xCPP/7zip/Common/FileStreams.h144
1 files changed, 144 insertions, 0 deletions
diff --git a/CPP/7zip/Common/FileStreams.h b/CPP/7zip/Common/FileStreams.h
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--- /dev/null
+++ b/CPP/7zip/Common/FileStreams.h
@@ -0,0 +1,144 @@
+// FileStreams.h
+
+#ifndef __FILESTREAMS_H
+#define __FILESTREAMS_H
+
+#ifdef _WIN32
+#define USE_WIN_FILE
+#endif
+
+#ifdef USE_WIN_FILE
+#include "../../Windows/FileIO.h"
+#else
+#include "../../Common/C_FileIO.h"
+#endif
+
+#include "../../Common/MyCom.h"
+
+#include "../IStream.h"
+
+class CInFileStream:
+ public IInStream,
+ public IStreamGetSize,
+ public CMyUnknownImp
+{
+public:
+ #ifdef USE_WIN_FILE
+ NWindows::NFile::NIO::CInFile File;
+ #ifdef SUPPORT_DEVICE_FILE
+ UInt64 VirtPos;
+ UInt64 PhyPos;
+ UInt64 BufferStartPos;
+ Byte *Buffer;
+ UInt32 BufferSize;
+ #endif
+ #else
+ NC::NFile::NIO::CInFile File;
+ #endif
+ virtual ~CInFileStream();
+
+ #ifdef SUPPORT_DEVICE_FILE
+ CInFileStream();
+ #endif
+
+ bool Open(LPCTSTR fileName);
+ #ifdef USE_WIN_FILE
+ #ifndef _UNICODE
+ bool Open(LPCWSTR fileName);
+ #endif
+ #endif
+
+ bool OpenShared(LPCTSTR fileName, bool shareForWrite);
+ #ifdef USE_WIN_FILE
+ #ifndef _UNICODE
+ bool OpenShared(LPCWSTR fileName, bool shareForWrite);
+ #endif
+ #endif
+
+ MY_UNKNOWN_IMP2(IInStream, IStreamGetSize)
+
+ STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
+ STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
+
+ STDMETHOD(GetSize)(UInt64 *size);
+};
+
+class CStdInFileStream:
+ public ISequentialInStream,
+ public CMyUnknownImp
+{
+public:
+ MY_UNKNOWN_IMP
+
+ virtual ~CStdInFileStream() {}
+ STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
+};
+
+class COutFileStream:
+ public IOutStream,
+ public CMyUnknownImp
+{
+ #ifdef USE_WIN_FILE
+ NWindows::NFile::NIO::COutFile File;
+ #else
+ NC::NFile::NIO::COutFile File;
+ #endif
+public:
+ virtual ~COutFileStream() {}
+ bool Create(LPCTSTR fileName, bool createAlways)
+ {
+ ProcessedSize = 0;
+ return File.Create(fileName, createAlways);
+ }
+ bool Open(LPCTSTR fileName, DWORD creationDisposition)
+ {
+ ProcessedSize = 0;
+ return File.Open(fileName, creationDisposition);
+ }
+ #ifdef USE_WIN_FILE
+ #ifndef _UNICODE
+ bool Create(LPCWSTR fileName, bool createAlways)
+ {
+ ProcessedSize = 0;
+ return File.Create(fileName, createAlways);
+ }
+ bool Open(LPCWSTR fileName, DWORD creationDisposition)
+ {
+ ProcessedSize = 0;
+ return File.Open(fileName, creationDisposition);
+ }
+ #endif
+ #endif
+
+ HRESULT Close();
+
+ UInt64 ProcessedSize;
+
+ #ifdef USE_WIN_FILE
+ bool SetTime(const FILETIME *cTime, const FILETIME *aTime, const FILETIME *mTime)
+ {
+ return File.SetTime(cTime, aTime, mTime);
+ }
+ bool SetMTime(const FILETIME *mTime) { return File.SetMTime(mTime); }
+ #endif
+
+
+ MY_UNKNOWN_IMP1(IOutStream)
+
+ STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
+ STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
+ STDMETHOD(SetSize)(UInt64 newSize);
+};
+
+class CStdOutFileStream:
+ public ISequentialOutStream,
+ public CMyUnknownImp
+{
+public:
+ MY_UNKNOWN_IMP
+
+ virtual ~CStdOutFileStream() {}
+ STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
+};
+
+#endif