X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/56b79cb98da2e2e3024fce6f6313546577c34821..015e69f36dfbc469eef59456f973d0567e865d70:/samples/typetest/typetest.cpp diff --git a/samples/typetest/typetest.cpp b/samples/typetest/typetest.cpp index 3896668435..26cf4051df 100644 --- a/samples/typetest/typetest.cpp +++ b/samples/typetest/typetest.cpp @@ -46,6 +46,7 @@ #include "wx/wfstream.h" #include "wx/datstrm.h" #include "wx/txtstrm.h" +#include "wx/mstream.h" // Create a new application object IMPLEMENT_APP (MyApp) @@ -64,6 +65,7 @@ BEGIN_EVENT_TABLE(MyApp, wxApp) EVT_MENU(TYPES_STREAM2, MyApp::DoStreamDemo2) EVT_MENU(TYPES_STREAM3, MyApp::DoStreamDemo3) EVT_MENU(TYPES_STREAM4, MyApp::DoStreamDemo4) + EVT_MENU(TYPES_STREAM5, MyApp::DoStreamDemo5) EVT_MENU(TYPES_MIME, MyApp::DoMIMEDemo) END_EVENT_TABLE() @@ -95,6 +97,7 @@ bool MyApp::OnInit() 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->Append(TYPES_STREAM5, "&Stream peek test"); test_menu->AppendSeparator(); test_menu->Append(TYPES_MIME, "&MIME database test"); @@ -157,7 +160,7 @@ void MyApp::DoStreamDemo(wxCommandEvent& WXUNUSED(event)) textCtrl.WriteText( tmp ); text_output << str << "\n"; std_file_output << str.c_str() << "\n"; - + textCtrl.WriteText( "\nReading from ifstream:\n" ); ifstream std_file_input( "test_std.dat" ); @@ -178,9 +181,13 @@ void MyApp::DoStreamDemo(wxCommandEvent& WXUNUSED(event)) tmp.Printf( _T("Float: %f\n"), f ); textCtrl.WriteText( tmp ); - std_file_input >> str; - tmp.Printf( _T("String: %s\n"), str.c_str() ); + // Why doesn't this work? +#if 0 + char std_buf[200]; + std_file_input >> std_buf; + tmp.Printf( _T("String: %s\n"), std_buf ); textCtrl.WriteText( tmp ); +#endif textCtrl.WriteText( "\nReading from wxFileInputStream:\n" ); @@ -211,6 +218,7 @@ void MyApp::DoStreamDemo(wxCommandEvent& WXUNUSED(event)) textCtrl.WriteText( tmp ); + textCtrl << "\nTest for wxDataStream:\n\n"; textCtrl.WriteText( "Writing to wxDataOutputStream:\n" ); @@ -283,7 +291,7 @@ void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event)) for (ch2 = 0; ch2 < 10; ch2++) { file_input.Read( &ch, 1 ); - textCtrl.WriteText( (char)(ch + '0') ); + textCtrl.WriteText( (char)(ch + '0') ); } textCtrl.WriteText( "\n\n\n" ); @@ -303,7 +311,7 @@ void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event)) for (ch2 = 0; ch2 < 10; ch2++) { file_input2.Read( &ch, 1 ); - textCtrl.WriteText( (char)(ch + '0') ); + textCtrl.WriteText( (char)(ch + '0') ); } textCtrl.WriteText( "\n\n\n" ); @@ -322,7 +330,7 @@ void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event)) for (ch2 = 0; ch2 < 10; ch2++) { buf_input3.Read( &ch, 1 ); - textCtrl.WriteText( (char)(ch + '0') ); + textCtrl.WriteText( (char)(ch + '0') ); } for (int j = 0; j < 2000; j++) buf_input3.Read( &ch, 1 ); @@ -357,17 +365,17 @@ void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) 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( "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" ); @@ -375,11 +383,11 @@ void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) 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; + 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" ); @@ -389,11 +397,11 @@ void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) 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; + 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" ); @@ -406,17 +414,17 @@ void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) 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( "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" ); @@ -424,11 +432,11 @@ void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) 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; + 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" ); @@ -438,11 +446,11 @@ void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) 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; + 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" ); @@ -455,17 +463,17 @@ void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) 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( "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" ); @@ -473,11 +481,11 @@ void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) 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; + 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" ); @@ -487,11 +495,11 @@ void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) 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; + 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; } } @@ -523,10 +531,10 @@ void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) 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; + 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 ); @@ -543,10 +551,10 @@ void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) 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; + 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 ); @@ -565,10 +573,10 @@ void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) 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; + 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 ); @@ -584,10 +592,10 @@ void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) 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; + 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 ); @@ -603,10 +611,10 @@ void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) 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; + 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 ); @@ -622,10 +630,10 @@ void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) 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; + 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 ); @@ -634,6 +642,81 @@ void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) 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; + + 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 ); + + file_output.Sync(); + + wxFileInputStream file_input( wxString("test_wx.dat") ); + + ch = file_input.Peek(); + str.Printf( "First char peeked: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + ch = file_input.GetC(); + str.Printf( "First char read: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + ch = file_input.Peek(); + str.Printf( "Second char peeked: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + ch = file_input.GetC(); + str.Printf( "Second char read: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + ch = file_input.Peek(); + str.Printf( "Third char peeked: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + ch = file_input.GetC(); + str.Printf( "Third char read: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + + textCtrl << "\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( "First char peeked: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + ch = input.GetC(); + str.Printf( "First char read: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + ch = input.Peek(); + str.Printf( "Second char peeked: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + ch = input.GetC(); + str.Printf( "Second char read: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + ch = input.Peek(); + str.Printf( "Third char peeked: %d\n", (int) ch ); + textCtrl.WriteText( str ); + + ch = input.GetC(); + str.Printf( "Third char read: %d\n", (int) ch ); + textCtrl.WriteText( str ); +} + #if wxUSE_UNICODE void MyApp::DoUnicodeDemo(wxCommandEvent& WXUNUSED(event)) {