+ textCtrl << _T("\nTesting wxBufferedStream:\n\n");
+
+ char ch,ch2;
+
+ textCtrl.WriteText( _T("Writing number 0 to 9 to buffered wxFileOutputStream:\n\n") );
+
+ wxFileOutputStream file_output( file_name );
+ wxBufferedOutputStream buf_output( file_output );
+ for (ch = 0; ch < 10; ch++)
+ buf_output.Write( &ch, 1 );
+ buf_output.Sync();
+
+ wxFileInputStream file_input( file_name );
+ for (ch2 = 0; ch2 < 10; ch2++)
+ {
+ file_input.Read( &ch, 1 );
+ textCtrl.WriteText( (wxChar)(ch + _T('0')) );
+ }
+ textCtrl.WriteText( _T("\n\n\n") );
+
+ textCtrl.WriteText( _T("Writing number 0 to 9 to buffered wxFileOutputStream, then\n") );
+ textCtrl.WriteText( _T("seeking back to #3 and writing 0:\n\n") );
+
+ wxFileOutputStream file_output2( file_name2 );
+ wxBufferedOutputStream buf_output2( file_output2 );
+ for (ch = 0; ch < 10; ch++)
+ buf_output2.Write( &ch, 1 );
+ buf_output2.SeekO( 3 );
+ ch = 0;
+ buf_output2.Write( &ch, 1 );
+ buf_output2.Sync();
+
+ wxFileInputStream file_input2( file_name2 );
+ for (ch2 = 0; ch2 < 10; ch2++)
+ {
+ file_input2.Read( &ch, 1 );
+ textCtrl.WriteText( (wxChar)(ch + _T('0')) );
+ }
+ textCtrl.WriteText( _T("\n\n\n") );
+
+ // now append 2000 bytes to file (bigger than buffer)
+ buf_output2.SeekO( 0, wxFromEnd );
+ ch = 1;
+ for (int i = 0; i < 2000; i++)
+ buf_output2.Write( &ch, 1 );
+ buf_output2.Sync();
+
+ textCtrl.WriteText( _T("Reading number 0 to 9 from buffered wxFileInputStream, then\n") );
+ textCtrl.WriteText( _T("seeking back to #3 and reading the 0:\n\n") );
+
+ wxFileInputStream file_input3( file_name2 );
+ wxBufferedInputStream buf_input3( file_input3 );
+ for (ch2 = 0; ch2 < 10; ch2++)
+ {
+ buf_input3.Read( &ch, 1 );
+ textCtrl.WriteText( (wxChar)(ch + _T('0')) );
+ }
+ for (int j = 0; j < 2000; j++)
+ buf_input3.Read( &ch, 1 );
+ textCtrl.WriteText( _T("\n") );
+ buf_input3.SeekI( 3 );
+ buf_input3.Read( &ch, 1 );
+ textCtrl.WriteText( (wxChar)(ch + _T('0')) );
+ textCtrl.WriteText( _T("\n\n\n") );
+
+}
+
+void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl << _T("\nTesting wxFileInputStream's and wxFFileInputStream's error handling:\n\n");
+
+ char ch,ch2;
+
+ textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream:\n\n") );
+
+ wxFileOutputStream file_output( file_name );
+ for (ch = 0; ch < 10; ch++)
+ file_output.Write( &ch, 1 );
+
+ // Testing wxFileInputStream
+
+ textCtrl.WriteText( _T("Reading 0 to 10 to wxFileInputStream:\n\n") );
+
+ wxFileInputStream file_input( file_name );
+ for (ch2 = 0; ch2 < 11; ch2++)
+ {
+ file_input.Read( &ch, 1 );
+ textCtrl.WriteText( _T("Value read: ") );
+ textCtrl.WriteText( (wxChar)(ch + '0') );
+ textCtrl.WriteText( _T("; stream.GetLastError() returns: ") );
+ switch (file_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ }
+ textCtrl.WriteText( _T("\n") );
+
+ textCtrl.WriteText( _T("Seeking to 0; stream.GetLastError() returns: ") );
+ file_input.SeekI( 0 );
+ switch (file_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ textCtrl.WriteText( _T("\n") );
+
+ file_input.Read( &ch, 1 );
+ textCtrl.WriteText( _T("Value read: ") );
+ textCtrl.WriteText( (wxChar)(ch + _T('0')) );
+ textCtrl.WriteText( _T("; stream.GetLastError() returns: ") );
+ switch (file_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ textCtrl.WriteText( _T("\n\n") );
+
+
+ // Testing wxFFileInputStream
+
+ textCtrl.WriteText( _T("Reading 0 to 10 to wxFFileInputStream:\n\n") );
+
+ wxFFileInputStream ffile_input( file_name );
+ for (ch2 = 0; ch2 < 11; ch2++)
+ {
+ ffile_input.Read( &ch, 1 );
+ textCtrl.WriteText( _T("Value read: ") );
+ textCtrl.WriteText( (wxChar)(ch + '0') );
+ textCtrl.WriteText( _T("; stream.GetLastError() returns: ") );
+ switch (ffile_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ }
+ textCtrl.WriteText( _T("\n") );
+
+ textCtrl.WriteText( _T("Seeking to 0; stream.GetLastError() returns: ") );
+ ffile_input.SeekI( 0 );
+ switch (ffile_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ textCtrl.WriteText( _T("\n") );
+
+ ffile_input.Read( &ch, 1 );
+ textCtrl.WriteText( _T("Value read: ") );
+ textCtrl.WriteText( (wxChar)(ch + '0') );
+ textCtrl.WriteText( _T("; stream.GetLastError() returns: ") );
+ switch (ffile_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ textCtrl.WriteText( _T("\n\n") );
+
+ // Testing wxFFileInputStream
+
+ textCtrl.WriteText( _T("Reading 0 to 10 to buffered wxFFileInputStream:\n\n") );
+
+ wxFFileInputStream ffile_input2( file_name );
+ wxBufferedInputStream buf_input( ffile_input2 );
+ for (ch2 = 0; ch2 < 11; ch2++)
+ {
+ buf_input.Read( &ch, 1 );
+ textCtrl.WriteText( _T("Value read: ") );
+ textCtrl.WriteText( (wxChar)(ch + '0') );
+ textCtrl.WriteText( _T("; stream.GetLastError() returns: ") );
+ switch (buf_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ }
+ textCtrl.WriteText( _T("\n") );
+
+ textCtrl.WriteText( _T("Seeking to 0; stream.GetLastError() returns: ") );
+ buf_input.SeekI( 0 );
+ switch (buf_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ textCtrl.WriteText( _T("\n") );
+
+ buf_input.Read( &ch, 1 );
+ textCtrl.WriteText( _T("Value read: ") );
+ textCtrl.WriteText( (wxChar)(ch + '0') );
+ textCtrl.WriteText( _T("; stream.GetLastError() returns: ") );
+ switch (buf_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+}
+
+void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ wxString msg;
+
+ textCtrl.Clear();
+ textCtrl << _T("\nTesting wxStreamBuffer:\n\n");
+
+ // bigger than buffer
+ textCtrl.WriteText( _T("Writing 2000x 1 to wxFileOutputStream.\n\n") );
+
+ wxFileOutputStream file_output( file_name );
+ for (int i = 0; i < 2000; i++)
+ {
+ char ch = 1;
+ file_output.Write( &ch, 1 );
+ }
+
+ textCtrl.WriteText( _T("Opening with a buffered wxFileInputStream:\n\n") );
+
+ wxFileInputStream file_input( file_name );
+ wxBufferedInputStream buf_input( file_input );
+
+ textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") );
+ switch (buf_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( _T("\n\n") );
+
+
+ textCtrl.WriteText( _T("Seeking to position 300:\n\n") );
+
+ buf_input.SeekI( 300 );
+
+ textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") );
+ switch (buf_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( _T("\n\n") );
+
+
+ char buf[2000];
+
+ textCtrl.WriteText( _T("Reading 500 bytes:\n\n") );
+
+ buf_input.Read( buf, 500 );
+
+ textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") );
+ switch (buf_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( _T("\n\n") );
+
+ textCtrl.WriteText( _T("Reading another 500 bytes:\n\n") );
+
+ buf_input.Read( buf, 500 );
+
+ textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") );
+ switch (buf_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( _T("\n\n") );
+
+ textCtrl.WriteText( _T("Reading another 500 bytes:\n\n") );
+
+ buf_input.Read( buf, 500 );
+
+ textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") );
+ switch (buf_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( _T("\n\n") );
+
+ textCtrl.WriteText( _T("Reading another 500 bytes:\n\n") );
+
+ buf_input.Read( buf, 500 );
+
+ textCtrl.WriteText( _T("wxBufferedInputStream.GetLastError() returns: ") );
+ switch (buf_input.GetLastError())
+ {
+ case wxSTREAM_NO_ERROR: textCtrl.WriteText( _T("wxSTREAM_NO_ERROR\n") ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( _T("wxSTREAM_EOF\n") ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( _T("wxSTREAM_READ_ERROR\n") ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( _T("wxSTREAM_WRITE_ERROR\n") ); break;
+ default: textCtrl.WriteText( _T("Huh?\n") ); break;
+ }
+ msg.Printf( wxT("wxBufferedInputStream.LastRead() returns: %d\n"), (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( wxT("wxBufferedInputStream.TellI() returns: %d\n"), (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( _T("\n\n") );
+}
+
+void MyApp::DoStreamDemo5(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl << _T("\nTesting wxFileInputStream's Peek():\n\n");
+
+ char ch;
+ wxString str;
+
+ textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream:\n\n") );
+
+ wxFileOutputStream file_output( file_name );
+ for (ch = 0; ch < 10; ch++)
+ file_output.Write( &ch, 1 );
+
+ file_output.Sync();
+
+ wxFileInputStream file_input( file_name );
+
+ ch = file_input.Peek();
+ str.Printf( wxT("First char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = file_input.GetC();
+ str.Printf( wxT("First char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = file_input.Peek();
+ str.Printf( wxT("Second char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = file_input.GetC();
+ str.Printf( wxT("Second char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = file_input.Peek();
+ str.Printf( wxT("Third char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = file_input.GetC();
+ str.Printf( wxT("Third char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+
+ textCtrl << _T("\n\n\nTesting wxMemoryInputStream's Peek():\n\n");
+
+ char buf[] = { 0,1,2,3,4,5,6,7,8,9,10 };
+ wxMemoryInputStream input( buf, 10 );
+
+ ch = input.Peek();
+ str.Printf( wxT("First char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = input.GetC();
+ str.Printf( wxT("First char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = input.Peek();
+ str.Printf( wxT("Second char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = input.GetC();
+ str.Printf( wxT("Second char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = input.Peek();
+ str.Printf( wxT("Third char peeked: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+
+ ch = input.GetC();
+ str.Printf( wxT("Third char read: %d\n"), (int) ch );
+ textCtrl.WriteText( str );
+}
+
+void MyApp::DoStreamDemo6(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl.WriteText( _T("\nTesting Ungetch():\n\n") );
+
+ char ch = 0;
+ wxString str;
+
+ textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream...\n\n") );
+
+ wxFileOutputStream file_output( file_name );
+ for (ch = 0; ch < 10; ch++)
+ file_output.Write( &ch, 1 );
+
+ file_output.Sync();
+
+ textCtrl.WriteText( _T("Reading char from wxFileInputStream:\n\n") );
+
+ wxFileInputStream file_input( file_name );
+
+ ch = file_input.GetC();
+ size_t pos = (size_t)file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading another char from wxFileInputStream:\n\n") );
+
+ ch = file_input.GetC();
+ pos = (size_t)file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading yet another char from wxFileInputStream:\n\n") );
+
+ ch = file_input.GetC();
+ pos = (size_t)file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxFileInputStream...\n\n") );
+
+ file_input.Ungetch( 5 );
+ pos = (size_t)file_input.TellI();
+ str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading char from wxFileInputStream:\n\n") );
+
+ ch = file_input.GetC();
+ pos = (size_t)file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading another char from wxFileInputStream:\n\n") );
+
+ ch = file_input.GetC();
+ pos = (size_t)file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxFileInputStream again...\n\n") );
+
+ file_input.Ungetch( 5 );
+ pos = (size_t)file_input.TellI();
+ str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Seeking to pos 3 in wxFileInputStream. This invalidates the writeback buffer.\n\n") );
+
+ file_input.SeekI( 3 );
+
+ ch = file_input.GetC();
+ pos = (size_t)file_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+}
+
+void MyApp::DoStreamDemo7(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl.WriteText( _T("\nTesting Ungetch() in buffered input stream:\n\n") );
+
+ char ch = 0;
+ wxString str;
+
+ textCtrl.WriteText( _T("Writing number 0 to 9 to wxFileOutputStream...\n\n") );
+
+ wxFileOutputStream file_output( file_name );
+ for (ch = 0; ch < 10; ch++)
+ file_output.Write( &ch, 1 );
+
+ file_output.Sync();
+
+ textCtrl.WriteText( _T("Reading char from wxBufferedInputStream via wxFileInputStream:\n\n") );
+
+ wxFileInputStream file_input( file_name );
+ wxBufferedInputStream buf_input( file_input );
+
+ ch = buf_input.GetC();
+ size_t pos = (size_t)buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading another char from wxBufferedInputStream:\n\n") );
+
+ ch = buf_input.GetC();
+ pos = (size_t)buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading yet another char from wxBufferedInputStream:\n\n") );
+
+ ch = buf_input.GetC();
+ pos = (size_t)buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxBufferedInputStream...\n\n") );
+
+ buf_input.Ungetch( 5 );
+ pos = (size_t)buf_input.TellI();
+ str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading char from wxBufferedInputStream:\n\n") );
+
+ ch = buf_input.GetC();
+ pos = (size_t)buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Reading another char from wxBufferedInputStream:\n\n") );
+
+ ch = buf_input.GetC();
+ pos = (size_t)buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Now calling Ungetch( 5 ) from wxBufferedInputStream again...\n\n") );
+
+ buf_input.Ungetch( 5 );
+ pos = (size_t)buf_input.TellI();
+ str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+ textCtrl.WriteText( str );
+
+ textCtrl.WriteText( _T("Seeking to pos 3 in wxBufferedInputStream. This invalidates the writeback buffer.\n\n") );
+
+ buf_input.SeekI( 3 );
+
+ ch = buf_input.GetC();
+ pos = (size_t)buf_input.TellI();
+ str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+ textCtrl.WriteText( str );
+}
+
+#if wxUSE_UNICODE
+void MyApp::DoUnicodeDemo(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl << _T("\nTest wchar_t to char (Unicode to ANSI/Multibyte) converions:");
+
+ wxString str;
+ str = _T("Robert R\366bling\n");
+
+ printf( "\n\nConversion with wxConvLocal:\n" );
+ wxConvCurrent = &wxConvLocal;
+ printf( (const char*) str.mbc_str() );
+ printf( "\n\nConversion with wxConvLibc:\n" );
+ wxConvCurrent = &wxConvLibc;
+ printf( (const char*) str.mbc_str() );
+
+}
+#endif
+
+void MyApp::DoMIMEDemo(wxCommandEvent& WXUNUSED(event))
+{
+ static wxString s_defaultExt = _T("xyz");
+
+ wxString ext = wxGetTextFromUser(_T("Enter a file extension: "),
+ _T("MIME database test"),
+ s_defaultExt);
+ if ( !!ext )
+ {
+ s_defaultExt = ext;
+
+ // init MIME database if not done yet
+ if ( !m_mimeDatabase )
+ {
+ m_mimeDatabase = new wxMimeTypesManager;
+
+ static const wxFileTypeInfo fallbacks[] =
+ {
+ wxFileTypeInfo(_T("application/xyz"),
+ _T("XyZ %s"),
+ _T("XyZ -p %s"),
+ _T("The one and only XYZ format file"),
+ _T("xyz"), _T("123"), NULL),
+ wxFileTypeInfo(_T("text/html"),
+ _T("lynx %s"),
+ _T("lynx -dump %s | lpr"),
+ _T("HTML document (from fallback)"),
+ _T("htm"), _T("html"), NULL),
+
+ // must terminate the table with this!
+ wxFileTypeInfo()
+ };
+
+ m_mimeDatabase->AddFallbacks(fallbacks);
+ }
+
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ wxFileType *filetype = m_mimeDatabase->GetFileTypeFromExtension(ext);
+ if ( !filetype )
+ {
+ textCtrl << _T("Unknown extension '") << ext << _T("'\n");
+ }
+ else
+ {
+ wxString type, desc, open;
+ filetype->GetMimeType(&type);
+ filetype->GetDescription(&desc);
+
+ wxString filename = _T("filename");
+ filename << _T(".") << ext;
+ wxFileType::MessageParameters params(filename, type);
+ filetype->GetOpenCommand(&open, params);
+
+ textCtrl << _T("MIME information about extension '") << ext << _T('\n')
+ << _T("\tMIME type: ") << ( !type ? wxT("unknown")
+ : type.c_str() ) << _T('\n')
+ << _T("\tDescription: ") << ( !desc ? wxEmptyString : desc.c_str() )
+ << _T('\n')
+ << _T("\tCommand to open: ") << ( !open ? wxT("no") : open.c_str() )
+ << _T('\n');
+
+ delete filetype;
+ }
+ }
+ //else: cancelled by user
+}
+
+void MyApp::DoByteOrderDemo(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl << _T("\nTest byte order macros:\n\n");
+
+ #if wxBYTE_ORDER == wxLITTLE_ENDIAN
+ textCtrl << _T("This is a little endian system.\n\n");
+ #else
+ textCtrl << _T("This is a big endian system.\n\n");
+ #endif
+
+ wxString text;
+
+ wxInt32 var = 0xF1F2F3F4;
+ text = wxEmptyString;
+ text.Printf( _T("Value of wxInt32 is now: %#x.\n\n"), var );
+ textCtrl.WriteText( text );
+
+ text = wxEmptyString;
+ text.Printf( _T("Value of swapped wxInt32 is: %#x.\n\n"), wxINT32_SWAP_ALWAYS( var ) );
+ textCtrl.WriteText( text );
+
+ text = wxEmptyString;
+ text.Printf( _T("Value of wxInt32 swapped on little endian is: %#x.\n\n"), wxINT32_SWAP_ON_LE( var ) );
+ textCtrl.WriteText( text );
+
+ text = wxEmptyString;
+ text.Printf( _T("Value of wxInt32 swapped on big endian is: %#x.\n\n"), wxINT32_SWAP_ON_BE( var ) );
+ textCtrl.WriteText( text );