EVT_MENU(TYPES_STREAM, MyApp::DoStreamDemo)
EVT_MENU(TYPES_STREAM2, MyApp::DoStreamDemo2)
EVT_MENU(TYPES_STREAM3, MyApp::DoStreamDemo3)
+ EVT_MENU(TYPES_STREAM4, MyApp::DoStreamDemo4)
EVT_MENU(TYPES_MIME, MyApp::DoMIMEDemo)
END_EVENT_TABLE()
test_menu->Append(TYPES_STREAM, "&Stream test");
test_menu->Append(TYPES_STREAM2, "&Stream seek test");
test_menu->Append(TYPES_STREAM3, "&Stream error test");
+ test_menu->Append(TYPES_STREAM4, "&Stream buffer test");
test_menu->AppendSeparator();
test_menu->Append(TYPES_MIME, "&MIME database test");
wxFileInputStream file_input( "test_wx.dat" );
wxBufferedInputStream buf_input( file_input );
- wxTextInputStream text_input( buf_input );
+ wxTextInputStream text_input( file_input );
text_input >> si;
tmp.Printf( _T("Signed int: %d\n"), si );
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( "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( "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" );
}
#if wxUSE_UNICODE