+ textCtrl << _T("\nTest fstream vs. wxFileStream:\n\n");
+
+ textCtrl.WriteText( _T("Writing to ofstream and wxFileOutputStream:\n") );
+
+ wxSTD ofstream std_file_output( "test_std.dat" );
+ wxFileOutputStream file_output( file_name );
+ wxBufferedOutputStream buf_output( file_output );
+ wxTextOutputStream text_output( buf_output );
+
+ wxString tmp;
+ signed int si = 0xFFFFFFFF;
+ tmp.Printf( _T("Signed int: %d\n"), si );
+ textCtrl.WriteText( tmp );
+ text_output << si << _T("\n");
+ std_file_output << si << "\n";
+
+ unsigned int ui = 0xFFFFFFFF;
+ tmp.Printf( _T("Unsigned int: %u\n"), ui );
+ textCtrl.WriteText( tmp );
+ text_output << ui << _T("\n");
+ std_file_output << ui << "\n";
+
+ double d = 2.01234567890123456789;
+ tmp.Printf( _T("Double: %f\n"), d );
+ textCtrl.WriteText( tmp );
+ text_output << d << _T("\n");
+ std_file_output << d << "\n";
+
+ float f = (float)0.00001;
+ tmp.Printf( _T("Float: %f\n"), f );
+ textCtrl.WriteText( tmp );
+ text_output << f << _T("\n");
+ std_file_output << f << "\n";
+
+ wxString str( _T("Hello!") );
+ tmp.Printf( _T("String: %s\n"), str.c_str() );
+ textCtrl.WriteText( tmp );
+ text_output << str << _T("\n");
+ std_file_output << str.ToAscii() << "\n";
+
+ textCtrl.WriteText( _T("\nReading from ifstream:\n") );
+
+ wxSTD ifstream std_file_input( "test_std.dat" );
+
+ std_file_input >> si;
+ tmp.Printf( _T("Signed int: %d\n"), si );
+ textCtrl.WriteText( tmp );
+
+ std_file_input >> ui;
+ tmp.Printf( _T("Unsigned int: %u\n"), ui );
+ textCtrl.WriteText( tmp );
+
+ std_file_input >> d;
+ tmp.Printf( _T("Double: %f\n"), d );
+ textCtrl.WriteText( tmp );
+
+ std_file_input >> f;
+ tmp.Printf( _T("Float: %f\n"), f );
+ textCtrl.WriteText( tmp );
+
+ char std_buf[200];
+ std_file_input >> std_buf;
+ str = wxString::FromAscii(std_buf);
+ tmp.Printf( _T("String: %s\n"), str.c_str() );
+ textCtrl.WriteText( tmp );
+
+ textCtrl.WriteText( _T("\nReading from wxFileInputStream:\n") );
+
+ buf_output.Sync();
+
+ wxFileInputStream file_input( file_name );
+ 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 << _T("\nTest for wxDataStream:\n\n");
+
+ textCtrl.WriteText( _T("Writing to wxDataOutputStream:\n") );
+
+ file_output.SeekO( 0 );
+ wxDataOutputStream data_output( buf_output );
+
+ wxInt16 i16 = (unsigned 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 = _T("Hello!");
+ tmp.Printf( _T("String: %s\n"), str.c_str() );
+ textCtrl.WriteText( tmp );
+ data_output.WriteString( str );
+
+ buf_output.Sync();
+
+ textCtrl.WriteText( _T("\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( _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 );