+ textCtrl.WriteText( "\nReading from wxFileInputStream:\n" );
+
+ buf_output.Sync();
+
+ wxFileInputStream file_input( wxString("test_wx.dat") );
+ wxBufferedInputStream buf_input( file_input );
+ wxTextInputStream text_input( file_input );
+
+ text_input >> si;
+ tmp.Printf( _T("Signed int: %d\n"), si );
+ textCtrl.WriteText( tmp );
+
+ text_input >> ui;
+ tmp.Printf( _T("Unsigned int: %u\n"), ui );
+ textCtrl.WriteText( tmp );
+
+ text_input >> d;
+ tmp.Printf( _T("Double: %f\n"), d );
+ textCtrl.WriteText( tmp );
+
+ text_input >> f;
+ tmp.Printf( _T("Float: %f\n"), f );
+ textCtrl.WriteText( tmp );
+
+ text_input >> str;
+ tmp.Printf( _T("String: %s\n"), str.c_str() );
+ textCtrl.WriteText( tmp );
+
+
+
+ textCtrl << "\nTest for wxDataStream:\n\n";
+
+ textCtrl.WriteText( "Writing to wxDataOutputStream:\n" );
+
+ file_output.SeekO( 0 );
+ wxDataOutputStream data_output( buf_output );
+
+ wxInt16 i16 = (short)0xFFFF;
+ tmp.Printf( _T("Signed int16: %d\n"), (int)i16 );
+ textCtrl.WriteText( tmp );
+ data_output.Write16( i16 );
+
+ wxUint16 ui16 = 0xFFFF;
+ tmp.Printf( _T("Unsigned int16: %u\n"), (unsigned int) ui16 );
+ textCtrl.WriteText( tmp );
+ data_output.Write16( ui16 );
+
+ d = 2.01234567890123456789;
+ tmp.Printf( _T("Double: %f\n"), d );
+ textCtrl.WriteText( tmp );
+ data_output.WriteDouble( d );
+
+ str = "Hello!";
+ tmp.Printf( _T("String: %s\n"), str.c_str() );
+ textCtrl.WriteText( tmp );
+ data_output.WriteString( str );
+
+ buf_output.Sync();
+
+ textCtrl.WriteText( "\nReading from wxDataInputStream:\n" );
+
+ file_input.SeekI( 0 );
+ wxDataInputStream data_input( buf_input );
+
+ i16 = data_input.Read16();
+ tmp.Printf( _T("Signed int16: %d\n"), (int)i16 );
+ textCtrl.WriteText( tmp );
+
+ ui16 = data_input.Read16();
+ tmp.Printf( _T("Unsigned int16: %u\n"), (unsigned int) ui16 );
+ textCtrl.WriteText( tmp );
+
+ d = data_input.ReadDouble();
+ tmp.Printf( _T("Double: %f\n"), d );
+ textCtrl.WriteText( tmp );
+
+ str = data_input.ReadString();
+ tmp.Printf( _T("String: %s\n"), str.c_str() );
+ textCtrl.WriteText( tmp );
+}
+
+void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl << _T("\nTesting wxBufferedStream:\n\n");
+
+ char ch,ch2;
+
+ textCtrl.WriteText( "Writing number 0 to 9 to buffered wxFileOutputStream:\n\n" );
+
+ wxFileOutputStream file_output( wxString("test_wx.dat") );
+ wxBufferedOutputStream buf_output( file_output );
+ for (ch = 0; ch < 10; ch++)
+ buf_output.Write( &ch, 1 );
+ buf_output.Sync();
+
+ wxFileInputStream file_input( wxString("test_wx.dat") );
+ for (ch2 = 0; ch2 < 10; ch2++)
+ {
+ file_input.Read( &ch, 1 );
+ textCtrl.WriteText( (char)(ch + '0') );
+ }
+ textCtrl.WriteText( "\n\n\n" );
+
+ textCtrl.WriteText( "Writing number 0 to 9 to buffered wxFileOutputStream, then\n" );
+ textCtrl.WriteText( "seeking back to #3 and writing 3:\n\n" );
+
+ wxFileOutputStream file_output2( wxString("test_wx2.dat") );
+ wxBufferedOutputStream buf_output2( file_output2 );
+ for (ch = 0; ch < 10; ch++)
+ buf_output2.Write( &ch, 1 );
+ buf_output2.SeekO( 3 );
+ ch = 3;
+ buf_output2.Write( &ch, 1 );
+ buf_output2.Sync();
+
+ wxFileInputStream file_input2( wxString("test_wx2.dat") );
+ for (ch2 = 0; ch2 < 10; ch2++)
+ {
+ file_input2.Read( &ch, 1 );
+ textCtrl.WriteText( (char)(ch + '0') );
+ }
+ textCtrl.WriteText( "\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( "Reading number 0 to 9 from buffered wxFileInputStream, then\n" );
+ textCtrl.WriteText( "seeking back to #3 and reading 3:\n\n" );
+
+ wxFileInputStream file_input3( wxString("test_wx2.dat") );
+ wxBufferedInputStream buf_input3( file_input3 );
+ for (ch2 = 0; ch2 < 10; ch2++)
+ {
+ buf_input3.Read( &ch, 1 );
+ textCtrl.WriteText( (char)(ch + '0') );
+ }
+ for (int j = 0; j < 2000; j++)
+ buf_input3.Read( &ch, 1 );
+ textCtrl.WriteText( "\n" );
+ buf_input3.SeekI( 3 );
+ buf_input3.Read( &ch, 1 );
+ textCtrl.WriteText( (char)(ch + '0') );
+ textCtrl.WriteText( "\n\n\n" );
+
+}
+
+void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl << "\nTesting wxFileInputStream's and wxFFileInputStream's error handling:\n\n";
+
+ char ch,ch2;
+
+ textCtrl.WriteText( "Writing number 0 to 9 to wxFileOutputStream:\n\n" );
+
+ wxFileOutputStream file_output( wxString("test_wx.dat") );
+ for (ch = 0; ch < 10; ch++)
+ file_output.Write( &ch, 1 );
+
+ // Testing wxFileInputStream
+
+ textCtrl.WriteText( "Reading 0 to 10 to wxFileInputStream:\n\n" );
+
+ wxFileInputStream file_input( wxString("test_wx.dat") );
+ for (ch2 = 0; ch2 < 11; ch2++)
+ {
+ file_input.Read( &ch, 1 );
+ textCtrl.WriteText( "Value read: " );
+ textCtrl.WriteText( (char)(ch + '0') );
+ textCtrl.WriteText( "; stream.LastError() returns: " );
+ switch (file_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ }
+ textCtrl.WriteText( "\n" );
+
+ textCtrl.WriteText( "Seeking to 0; stream.LastError() returns: " );
+ file_input.SeekI( 0 );
+ switch (file_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ textCtrl.WriteText( "\n" );
+
+ file_input.Read( &ch, 1 );
+ textCtrl.WriteText( "Value read: " );
+ textCtrl.WriteText( (char)(ch + '0') );
+ textCtrl.WriteText( "; stream.LastError() returns: " );
+ switch (file_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ textCtrl.WriteText( "\n\n" );
+
+
+ // Testing wxFFileInputStream
+
+ textCtrl.WriteText( "Reading 0 to 10 to wxFFileInputStream:\n\n" );
+
+ wxFFileInputStream ffile_input( wxString("test_wx.dat") );
+ for (ch2 = 0; ch2 < 11; ch2++)
+ {
+ ffile_input.Read( &ch, 1 );
+ textCtrl.WriteText( "Value read: " );
+ textCtrl.WriteText( (char)(ch + '0') );
+ textCtrl.WriteText( "; stream.LastError() returns: " );
+ switch (ffile_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ }
+ textCtrl.WriteText( "\n" );
+
+ textCtrl.WriteText( "Seeking to 0; stream.LastError() returns: " );
+ ffile_input.SeekI( 0 );
+ switch (ffile_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ textCtrl.WriteText( "\n" );
+
+ ffile_input.Read( &ch, 1 );
+ textCtrl.WriteText( "Value read: " );
+ textCtrl.WriteText( (char)(ch + '0') );
+ textCtrl.WriteText( "; stream.LastError() returns: " );
+ switch (ffile_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ textCtrl.WriteText( "\n\n" );
+
+ // Testing wxFFileInputStream
+
+ textCtrl.WriteText( "Reading 0 to 10 to buffered wxFFileInputStream:\n\n" );
+
+ wxFFileInputStream ffile_input2( wxString("test_wx.dat") );
+ wxBufferedInputStream buf_input( ffile_input2 );
+ for (ch2 = 0; ch2 < 11; ch2++)
+ {
+ buf_input.Read( &ch, 1 );
+ textCtrl.WriteText( "Value read: " );
+ textCtrl.WriteText( (char)(ch + '0') );
+ textCtrl.WriteText( "; stream.LastError() returns: " );
+ switch (buf_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ }
+ textCtrl.WriteText( "\n" );
+
+ textCtrl.WriteText( "Seeking to 0; stream.LastError() returns: " );
+ buf_input.SeekI( 0 );
+ switch (buf_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ textCtrl.WriteText( "\n" );
+
+ buf_input.Read( &ch, 1 );
+ textCtrl.WriteText( "Value read: " );
+ textCtrl.WriteText( (char)(ch + '0') );
+ textCtrl.WriteText( "; stream.LastError() returns: " );
+ switch (buf_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+}
+
+void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ wxString msg;
+
+ textCtrl.Clear();
+ textCtrl << "\nTesting wxStreamBuffer:\n\n";
+
+ // bigger than buffer
+ textCtrl.WriteText( "Writing 2000x 1 to wxFileOutputStream.\n\n" );
+
+ wxFileOutputStream file_output( wxString("test_wx.dat") );
+ for (int i = 0; i < 2000; i++)
+ {
+ char ch = 1;
+ file_output.Write( &ch, 1 );
+ }
+
+ textCtrl.WriteText( "Opening with a buffered wxFileInputStream:\n\n" );
+
+ wxFileInputStream file_input( wxString("test_wx.dat") );
+ wxBufferedInputStream buf_input( file_input );
+
+ textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " );
+ switch (buf_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( "\n\n" );
+
+
+ textCtrl.WriteText( "Seeking to position 300:\n\n" );
+
+ buf_input.SeekI( 300 );
+
+ textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " );
+ switch (buf_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( "\n\n" );
+
+
+ char buf[2000];
+
+ textCtrl.WriteText( "Reading 500 bytes:\n\n" );
+
+ buf_input.Read( buf, 500 );
+
+ textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " );
+ switch (buf_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( "\n\n" );
+
+ textCtrl.WriteText( "Reading another 500 bytes:\n\n" );
+
+ buf_input.Read( buf, 500 );
+
+ textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " );
+ switch (buf_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( "\n\n" );
+
+ textCtrl.WriteText( "Reading another 500 bytes:\n\n" );
+
+ buf_input.Read( buf, 500 );
+
+ textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " );
+ switch (buf_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( "\n\n" );
+
+ textCtrl.WriteText( "Reading another 500 bytes:\n\n" );
+
+ buf_input.Read( buf, 500 );
+
+ textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " );
+ switch (buf_input.LastError())
+ {
+ case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break;
+ case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break;
+ case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break;
+ case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break;
+ default: textCtrl.WriteText( "Huh?\n" ); break;
+ }
+ msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() );
+ textCtrl.WriteText( msg );
+ msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() );
+ textCtrl.WriteText( msg );
+ textCtrl.WriteText( "\n\n" );
+}
+
+void MyApp::DoStreamDemo5(wxCommandEvent& WXUNUSED(event))
+{
+ wxTextCtrl& textCtrl = * GetTextCtrl();
+
+ textCtrl.Clear();
+ textCtrl << "\nTesting wxFileInputStream's Peek():\n\n";
+
+ char ch;
+ wxString str;