Partly reverted changes to Get(Current)Selection.

[wxWidgets.git] / include / wx / stream.h

diff --git a/include/wx/stream.h b/include/wx/stream.h
index 9f627b9be684e37293005162a098232e50f2d682..ca3b84eb57ebee606bc297bfab7f9cfb4199697a 100644 (file)
--- a/include/wx/stream.h
+++ b/include/wx/stream.h
@@ -12,10 +12,6 @@
 #ifndef _WX_WXSTREAM_H__
 #define _WX_WXSTREAM_H__
 
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface "stream.h"
-#endif
-
 #include "wx/defs.h"
 
 #if wxUSE_STREAMS
@@ -46,19 +42,6 @@ enum wxStreamError
     wxSTREAM_READ_ERROR         // generic read error
 };
 
-// compatibility
-#if WXWIN_COMPATIBILITY_2_2
-    #define wxStream_NOERROR    wxSTREAM_NOERROR
-    #define wxStream_EOF        wxSTREAM_EOF
-    #define wxStream_WRITE_ERR  wxSTREAM_WRITE_ERROR
-    #define wxStream_READ_ERR   wxSTREAM_READ_ERROR
-
-    #define wxSTREAM_NO_ERR     wxSTREAM_NO_ERROR
-    #define wxSTREAM_NOERROR    wxSTREAM_NO_ERROR
-    #define wxSTREAM_WRITE_ERR  wxSTREAM_WRITE_ERROR
-    #define wxSTREAM_READ_ERR   wxSTREAM_READ_ERROR
-#endif // WXWIN_COMPATIBILITY_2_2
-
 // ============================================================================
 // base stream classes: wxInputStream and wxOutputStream
 // ============================================================================
@@ -82,13 +65,11 @@ public:
     void Reset() { m_lasterror = wxSTREAM_NO_ERROR; }
 
     // this doesn't make sense for all streams, always test its return value
-    virtual size_t GetSize() const { return 0; }
+    virtual size_t GetSize() const;
+    virtual wxFileOffset GetLength() const { return wxInvalidOffset; }
 
-#if WXWIN_COMPATIBILITY_2_2
-    // deprecated, for compatibility only
-    wxStreamError LastError() const { return m_lasterror; }
-    size_t StreamSize() const { return GetSize(); }
-#endif // WXWIN_COMPATIBILITY_2_2
+    // returns true if the streams supports seeking to arbitrary offsets
+    virtual bool IsSeekable() const { return false; }
 
 protected:
     virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
@@ -207,7 +188,7 @@ public:
 protected:
     // do read up to size bytes of data into the provided buffer
     //
-    // this method should return 0 if EOF has been reached or an error occured
+    // this method should return 0 if EOF has been reached or an error occurred
     // (m_lasterror should be set accordingly as well) or the number of bytes
     // read
     virtual size_t OnSysRead(void *buffer, size_t size) = 0;
@@ -256,6 +237,7 @@ public:
     virtual size_t LastWrite() const { return wxStreamBase::m_lastcount; }
 
     virtual void Sync();
+    virtual bool Close() { return true; }
 
     wxOutputStream& operator<<(wxInputStream& out) { return Write(out); }
     wxOutputStream& operator<<( __wxOutputManip func) { return func(*this); }
@@ -283,7 +265,7 @@ class WXDLLIMPEXP_BASE wxCountingOutputStream : public wxOutputStream
 public:
     wxCountingOutputStream();
 
-    size_t GetSize() const;
+    wxFileOffset GetLength() const;
     bool Ok() const { return true; }
 
 protected:
@@ -309,7 +291,7 @@ public:
 
     char Peek() { return m_parent_i_stream->Peek(); }
 
-    size_t GetSize() const { return m_parent_i_stream->GetSize(); }
+    wxFileOffset GetLength() const { return m_parent_i_stream->GetLength(); }
 
     wxInputStream *GetFilterInputStream() const { return m_parent_i_stream; }
 
@@ -326,7 +308,7 @@ public:
     wxFilterOutputStream(wxOutputStream& stream);
     virtual ~wxFilterOutputStream();
 
-    size_t GetSize() const { return m_parent_o_stream->GetSize(); }
+    wxFileOffset GetLength() const { return m_parent_o_stream->GetLength(); }
 
     wxOutputStream *GetFilterOutputStream() const { return m_parent_o_stream; }
 
@@ -406,8 +388,10 @@ public:
     wxInputStream *GetInputStream() const;
     wxOutputStream *GetOutputStream() const;
 
+#if WXWIN_COMPATIBILITY_2_6
     // deprecated, for compatibility only
-    wxStreamBase *Stream() { return m_stream; }
+    wxDEPRECATED( wxStreamBase *Stream() );
+#endif // WXWIN_COMPATIBILITY_2_6
 
     // this constructs a dummy wxStreamBuffer, used by (and exists for)
     // wxMemoryStreams only, don't use!
@@ -477,13 +461,16 @@ public:
     // Position functions
     wxFileOffset SeekI(wxFileOffset pos, wxSeekMode mode = wxFromStart);
     wxFileOffset TellI() const;
+    bool IsSeekable() const { return m_parent_i_stream->IsSeekable(); }
 
     // the buffer given to the stream will be deleted by it
     void SetInputStreamBuffer(wxStreamBuffer *buffer);
     wxStreamBuffer *GetInputStreamBuffer() const { return m_i_streambuf; }
 
+#if WXWIN_COMPATIBILITY_2_6
     // deprecated, for compatibility only
-    wxStreamBuffer *InputStreamBuffer() const { return m_i_streambuf; }
+    wxDEPRECATED( wxStreamBuffer *InputStreamBuffer() const );
+#endif // WXWIN_COMPATIBILITY_2_6
 
 protected:
     virtual size_t OnSysRead(void *buffer, size_t bufsize);
@@ -512,17 +499,21 @@ public:
     // Position functions
     wxFileOffset SeekO(wxFileOffset pos, wxSeekMode mode = wxFromStart);
     wxFileOffset TellO() const;
+    bool IsSeekable() const { return m_parent_o_stream->IsSeekable(); }
 
     void Sync();
+    bool Close();
 
-    size_t GetSize() const;
+    wxFileOffset GetLength() const;
 
     // the buffer given to the stream will be deleted by it
     void SetOutputStreamBuffer(wxStreamBuffer *buffer);
     wxStreamBuffer *GetOutputStreamBuffer() const { return m_o_streambuf; }
 
+#if WXWIN_COMPATIBILITY_2_6
     // deprecated, for compatibility only
-    wxStreamBuffer *OutputStreamBuffer() const { return m_o_streambuf; }
+    wxDEPRECATED( wxStreamBuffer *OutputStreamBuffer() const );
+#endif // WXWIN_COMPATIBILITY_2_6
 
 protected:
     virtual size_t OnSysWrite(const void *buffer, size_t bufsize);
@@ -534,7 +525,12 @@ protected:
     DECLARE_NO_COPY_CLASS(wxBufferedOutputStream)
 };
 
+#if WXWIN_COMPATIBILITY_2_6
+    inline wxStreamBase *wxStreamBuffer::Stream() { return m_stream; }
+    inline wxStreamBuffer *wxBufferedInputStream::InputStreamBuffer() const { return m_i_streambuf; }
+    inline wxStreamBuffer *wxBufferedOutputStream::OutputStreamBuffer() const { return m_o_streambuf; }
+#endif // WXWIN_COMPATIBILITY_2_6
+
 #endif // wxUSE_STREAMS
 
 #endif // _WX_WXSTREAM_H__
-