Add LZMA.

3rdparty/lzma-21.03beta/CPP/7zip/Common/FileStreams.h

@@ -0,0 +1,151 @@
+// FileStreams.h
+
+#ifndef __FILE_STREAMS_H
+#define __FILE_STREAMS_H
+
+#ifdef _WIN32
+#define USE_WIN_FILE
+#endif
+
+#include "../../Common/MyCom.h"
+#include "../../Common/MyString.h"
+
+#include "../../Windows/FileIO.h"
+
+#include "../IStream.h"
+
+struct IInFileStream_Callback
+{
+  virtual HRESULT InFileStream_On_Error(UINT_PTR val, DWORD error) = 0;
+  virtual void InFileStream_On_Destroy(UINT_PTR val) = 0;
+};
+
+class CInFileStream:
+  public IInStream,
+  public IStreamGetSize,
+  public IStreamGetProps,
+  public IStreamGetProps2,
+  public CMyUnknownImp
+{
+public:
+  NWindows::NFile::NIO::CInFile File;
+
+  #ifdef USE_WIN_FILE
+  
+  #ifdef SUPPORT_DEVICE_FILE
+  UInt64 VirtPos;
+  UInt64 PhyPos;
+  UInt64 BufStartPos;
+  Byte *Buf;
+  UInt32 BufSize;
+  #endif
+
+  #endif
+
+  bool SupportHardLinks;
+
+  IInFileStream_Callback *Callback;
+  UINT_PTR CallbackRef;
+
+  virtual ~CInFileStream();
+
+  CInFileStream();
+  
+  bool Open(CFSTR fileName)
+  {
+    return File.Open(fileName);
+  }
+  
+  bool OpenShared(CFSTR fileName, bool shareForWrite)
+  {
+    return File.OpenShared(fileName, shareForWrite);
+  }
+
+  MY_QUERYINTERFACE_BEGIN2(IInStream)
+  MY_QUERYINTERFACE_ENTRY(IStreamGetSize)
+  MY_QUERYINTERFACE_ENTRY(IStreamGetProps)
+  MY_QUERYINTERFACE_ENTRY(IStreamGetProps2)
+  MY_QUERYINTERFACE_END
+  MY_ADDREF_RELEASE
+
+  STDMETHOD(Read)(void *data, UInt32 size, UInt32 *processedSize);
+  STDMETHOD(Seek)(Int64 offset, UInt32 seekOrigin, UInt64 *newPosition);
+
+  STDMETHOD(GetSize)(UInt64 *size);
+  STDMETHOD(GetProps)(UInt64 *size, FILETIME *cTime, FILETIME *aTime, FILETIME *mTime, UInt32 *attrib);
+  STDMETHOD(GetProps2)(CStreamFileProps *props);
+};
+
+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
+{
+public:
+  NWindows::NFile::NIO::COutFile File;
+
+  virtual ~COutFileStream() {}
+  bool Create(CFSTR fileName, bool createAlways)
+  {
+    ProcessedSize = 0;
+    return File.Create(fileName, createAlways);
+  }
+  bool Open(CFSTR fileName, DWORD creationDisposition)
+  {
+    ProcessedSize = 0;
+    return File.Open(fileName, creationDisposition);
+  }
+
+  HRESULT Close();
+  
+  UInt64 ProcessedSize;
+
+  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); }
+
+  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);
+
+  bool SeekToBegin_bool()
+  {
+    #ifdef USE_WIN_FILE
+    return File.SeekToBegin();
+    #else
+    return File.seekToBegin() == 0;
+    #endif
+  }
+
+  HRESULT GetSize(UInt64 *size);
+};
+
+class CStdOutFileStream:
+  public ISequentialOutStream,
+  public CMyUnknownImp
+{
+  UInt64 _size;
+public:
+  MY_UNKNOWN_IMP
+
+  UInt64 GetSize() const { return _size; }
+  CStdOutFileStream(): _size(0) {}
+  virtual ~CStdOutFileStream() {}
+  STDMETHOD(Write)(const void *data, UInt32 size, UInt32 *processedSize);
+};
+
+#endif