Do not reintroduce #pragma interface/implementation for html/helpdlg and mediactrl...

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

diff --git a/include/wx/stream.h b/include/wx/stream.h
index 5799895fe032553299848d2c849e01b785a40f87..0c91e975f3c91950ddd1feb792f1f465fea3cca3 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
 // ============================================================================
@@ -85,11 +68,19 @@ public:
     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; }
+
+    // Reserved for future use
+    virtual void ReservedStreamFunc1() {}
+    virtual void ReservedStreamFunc2() {}
+    virtual void ReservedStreamFunc3() {}
+    virtual void ReservedStreamFunc4() {}
+    virtual void ReservedStreamFunc5() {}
+    virtual void ReservedStreamFunc6() {}
+    virtual void ReservedStreamFunc7() {}
+    virtual void ReservedStreamFunc8() {}
+    virtual void ReservedStreamFunc9() {}
 
 protected:
     virtual wxFileOffset OnSysSeek(wxFileOffset seek, wxSeekMode mode);
@@ -208,7 +199,7 @@ 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;
@@ -479,6 +470,7 @@ 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);
@@ -514,6 +506,7 @@ 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();