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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: typetest.cpp | |
3 | // Purpose: Types wxWindows sample | |
4 | // Author: Julian Smart | |
5 | // Modified by: | |
6 | // Created: 04/01/98 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart and Markus Holzem | |
9 | // Licence: wxWindows license | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | #ifdef __GNUG__ | |
13 | #pragma implementation "typetest.h" | |
14 | #endif | |
15 | ||
16 | // For compilers that support precompilation, includes "wx/wx.h". | |
17 | #include "wx/wxprec.h" | |
18 | ||
19 | #ifdef __BORLANDC__ | |
20 | #pragma hdrstop | |
21 | #endif | |
22 | ||
23 | #ifndef WX_PRECOMP | |
24 | #include "wx/wx.h" | |
25 | #endif | |
26 | ||
27 | #include "wx/time.h" | |
28 | #include "wx/date.h" | |
29 | #include "wx/variant.h" | |
30 | #include "wx/mimetype.h" | |
31 | ||
32 | #include "typetest.h" | |
33 | ||
34 | #if defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__) | |
35 | #include "mondrian.xpm" | |
36 | #endif | |
37 | ||
38 | #ifdef new | |
39 | #undef new | |
40 | #endif | |
41 | ||
42 | #include "wx/ioswrap.h" | |
43 | ||
44 | #if wxUSE_IOSTREAMH | |
45 | #include <fstream.h> | |
46 | #else | |
47 | #include <fstream> | |
48 | #endif | |
49 | ||
50 | #include "wx/wfstream.h" | |
51 | #include "wx/datstrm.h" | |
52 | #include "wx/txtstrm.h" | |
53 | #include "wx/mstream.h" | |
54 | ||
55 | // Create a new application object | |
56 | IMPLEMENT_APP (MyApp) | |
57 | ||
58 | IMPLEMENT_DYNAMIC_CLASS (MyApp, wxApp) | |
59 | ||
60 | BEGIN_EVENT_TABLE(MyApp, wxApp) | |
61 | EVT_MENU(TYPES_DATE, MyApp::DoDateDemo) | |
62 | EVT_MENU(TYPES_TIME, MyApp::DoTimeDemo) | |
63 | EVT_MENU(TYPES_VARIANT, MyApp::DoVariantDemo) | |
64 | EVT_MENU(TYPES_BYTEORDER, MyApp::DoByteOrderDemo) | |
65 | #if wxUSE_UNICODE | |
66 | EVT_MENU(TYPES_UNICODE, MyApp::DoUnicodeDemo) | |
67 | #endif | |
68 | EVT_MENU(TYPES_STREAM, MyApp::DoStreamDemo) | |
69 | EVT_MENU(TYPES_STREAM2, MyApp::DoStreamDemo2) | |
70 | EVT_MENU(TYPES_STREAM3, MyApp::DoStreamDemo3) | |
71 | EVT_MENU(TYPES_STREAM4, MyApp::DoStreamDemo4) | |
72 | EVT_MENU(TYPES_STREAM5, MyApp::DoStreamDemo5) | |
73 | EVT_MENU(TYPES_MIME, MyApp::DoMIMEDemo) | |
74 | END_EVENT_TABLE() | |
75 | ||
76 | bool MyApp::OnInit() | |
77 | { | |
78 | // Create the main frame window | |
79 | MyFrame *frame = new MyFrame((wxFrame *) NULL, "wxWindows Types Demo", | |
80 | wxPoint(50, 50), wxSize(450, 340)); | |
81 | ||
82 | // Give it an icon | |
83 | frame->SetIcon(wxICON(mondrian)); | |
84 | ||
85 | // Make a menubar | |
86 | wxMenu *file_menu = new wxMenu; | |
87 | ||
88 | file_menu->Append(TYPES_ABOUT, "&About"); | |
89 | file_menu->AppendSeparator(); | |
90 | file_menu->Append(TYPES_QUIT, "E&xit\tAlt-X"); | |
91 | ||
92 | wxMenu *test_menu = new wxMenu; | |
93 | test_menu->Append(TYPES_DATE, "&Date test"); | |
94 | test_menu->Append(TYPES_TIME, "&Time test"); | |
95 | test_menu->Append(TYPES_VARIANT, "&Variant test"); | |
96 | test_menu->Append(TYPES_BYTEORDER, "&Byteorder test"); | |
97 | #if wxUSE_UNICODE | |
98 | test_menu->Append(TYPES_UNICODE, "&Unicode test"); | |
99 | #endif | |
100 | test_menu->Append(TYPES_STREAM, "&Stream test"); | |
101 | test_menu->Append(TYPES_STREAM2, "&Stream seek test"); | |
102 | test_menu->Append(TYPES_STREAM3, "&Stream error test"); | |
103 | test_menu->Append(TYPES_STREAM4, "&Stream buffer test"); | |
104 | test_menu->Append(TYPES_STREAM5, "&Stream peek test"); | |
105 | test_menu->AppendSeparator(); | |
106 | test_menu->Append(TYPES_MIME, "&MIME database test"); | |
107 | ||
108 | wxMenuBar *menu_bar = new wxMenuBar; | |
109 | menu_bar->Append(file_menu, "&File"); | |
110 | menu_bar->Append(test_menu, "&Tests"); | |
111 | frame->SetMenuBar(menu_bar); | |
112 | ||
113 | m_textCtrl = new wxTextCtrl(frame, -1, "", wxPoint(0, 0), wxDefaultSize, wxTE_MULTILINE); | |
114 | ||
115 | // Show the frame | |
116 | frame->Show(TRUE); | |
117 | ||
118 | SetTopWindow(frame); | |
119 | ||
120 | return TRUE; | |
121 | } | |
122 | ||
123 | void MyApp::DoStreamDemo(wxCommandEvent& WXUNUSED(event)) | |
124 | { | |
125 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
126 | ||
127 | textCtrl.Clear(); | |
128 | textCtrl << _T("\nTest fstream vs. wxFileStream:\n\n"); | |
129 | ||
130 | textCtrl.WriteText( "Writing to ofstream and wxFileOutputStream:\n" ); | |
131 | ||
132 | wxSTD ofstream std_file_output( "test_std.dat" ); | |
133 | wxFileOutputStream file_output( wxString("test_wx.dat") ); | |
134 | wxBufferedOutputStream buf_output( file_output ); | |
135 | wxTextOutputStream text_output( buf_output ); | |
136 | ||
137 | wxString tmp; | |
138 | signed int si = 0xFFFFFFFF; | |
139 | tmp.Printf( _T("Signed int: %d\n"), si ); | |
140 | textCtrl.WriteText( tmp ); | |
141 | text_output << si << "\n"; | |
142 | std_file_output << si << "\n"; | |
143 | ||
144 | unsigned int ui = 0xFFFFFFFF; | |
145 | tmp.Printf( _T("Unsigned int: %u\n"), ui ); | |
146 | textCtrl.WriteText( tmp ); | |
147 | text_output << ui << "\n"; | |
148 | std_file_output << ui << "\n"; | |
149 | ||
150 | double d = 2.01234567890123456789; | |
151 | tmp.Printf( _T("Double: %f\n"), d ); | |
152 | textCtrl.WriteText( tmp ); | |
153 | text_output << d << "\n"; | |
154 | std_file_output << d << "\n"; | |
155 | ||
156 | float f = (float)0.00001; | |
157 | tmp.Printf( _T("Float: %f\n"), f ); | |
158 | textCtrl.WriteText( tmp ); | |
159 | text_output << f << "\n"; | |
160 | std_file_output << f << "\n"; | |
161 | ||
162 | wxString str( _T("Hello!") ); | |
163 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
164 | textCtrl.WriteText( tmp ); | |
165 | text_output << str << "\n"; | |
166 | std_file_output << str.c_str() << "\n"; | |
167 | ||
168 | textCtrl.WriteText( "\nReading from ifstream:\n" ); | |
169 | ||
170 | wxSTD ifstream std_file_input( "test_std.dat" ); | |
171 | ||
172 | std_file_input >> si; | |
173 | tmp.Printf( _T("Signed int: %d\n"), si ); | |
174 | textCtrl.WriteText( tmp ); | |
175 | ||
176 | std_file_input >> ui; | |
177 | tmp.Printf( _T("Unsigned int: %u\n"), ui ); | |
178 | textCtrl.WriteText( tmp ); | |
179 | ||
180 | std_file_input >> d; | |
181 | tmp.Printf( _T("Double: %f\n"), d ); | |
182 | textCtrl.WriteText( tmp ); | |
183 | ||
184 | std_file_input >> f; | |
185 | tmp.Printf( _T("Float: %f\n"), f ); | |
186 | textCtrl.WriteText( tmp ); | |
187 | ||
188 | // Why doesn't this work? | |
189 | #if 0 | |
190 | char std_buf[200]; | |
191 | std_file_input >> std_buf; | |
192 | tmp.Printf( _T("String: %s\n"), std_buf ); | |
193 | textCtrl.WriteText( tmp ); | |
194 | #endif | |
195 | ||
196 | textCtrl.WriteText( "\nReading from wxFileInputStream:\n" ); | |
197 | ||
198 | buf_output.Sync(); | |
199 | ||
200 | wxFileInputStream file_input( wxString("test_wx.dat") ); | |
201 | wxBufferedInputStream buf_input( file_input ); | |
202 | wxTextInputStream text_input( file_input ); | |
203 | ||
204 | text_input >> si; | |
205 | tmp.Printf( _T("Signed int: %d\n"), si ); | |
206 | textCtrl.WriteText( tmp ); | |
207 | ||
208 | text_input >> ui; | |
209 | tmp.Printf( _T("Unsigned int: %u\n"), ui ); | |
210 | textCtrl.WriteText( tmp ); | |
211 | ||
212 | text_input >> d; | |
213 | tmp.Printf( _T("Double: %f\n"), d ); | |
214 | textCtrl.WriteText( tmp ); | |
215 | ||
216 | text_input >> f; | |
217 | tmp.Printf( _T("Float: %f\n"), f ); | |
218 | textCtrl.WriteText( tmp ); | |
219 | ||
220 | text_input >> str; | |
221 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
222 | textCtrl.WriteText( tmp ); | |
223 | ||
224 | ||
225 | ||
226 | textCtrl << "\nTest for wxDataStream:\n\n"; | |
227 | ||
228 | textCtrl.WriteText( "Writing to wxDataOutputStream:\n" ); | |
229 | ||
230 | file_output.SeekO( 0 ); | |
231 | wxDataOutputStream data_output( buf_output ); | |
232 | ||
233 | wxInt16 i16 = (short)0xFFFF; | |
234 | tmp.Printf( _T("Signed int16: %d\n"), (int)i16 ); | |
235 | textCtrl.WriteText( tmp ); | |
236 | data_output.Write16( i16 ); | |
237 | ||
238 | wxUint16 ui16 = 0xFFFF; | |
239 | tmp.Printf( _T("Unsigned int16: %u\n"), (unsigned int) ui16 ); | |
240 | textCtrl.WriteText( tmp ); | |
241 | data_output.Write16( ui16 ); | |
242 | ||
243 | d = 2.01234567890123456789; | |
244 | tmp.Printf( _T("Double: %f\n"), d ); | |
245 | textCtrl.WriteText( tmp ); | |
246 | data_output.WriteDouble( d ); | |
247 | ||
248 | str = "Hello!"; | |
249 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
250 | textCtrl.WriteText( tmp ); | |
251 | data_output.WriteString( str ); | |
252 | ||
253 | buf_output.Sync(); | |
254 | ||
255 | textCtrl.WriteText( "\nReading from wxDataInputStream:\n" ); | |
256 | ||
257 | file_input.SeekI( 0 ); | |
258 | wxDataInputStream data_input( buf_input ); | |
259 | ||
260 | i16 = data_input.Read16(); | |
261 | tmp.Printf( _T("Signed int16: %d\n"), (int)i16 ); | |
262 | textCtrl.WriteText( tmp ); | |
263 | ||
264 | ui16 = data_input.Read16(); | |
265 | tmp.Printf( _T("Unsigned int16: %u\n"), (unsigned int) ui16 ); | |
266 | textCtrl.WriteText( tmp ); | |
267 | ||
268 | d = data_input.ReadDouble(); | |
269 | tmp.Printf( _T("Double: %f\n"), d ); | |
270 | textCtrl.WriteText( tmp ); | |
271 | ||
272 | str = data_input.ReadString(); | |
273 | tmp.Printf( _T("String: %s\n"), str.c_str() ); | |
274 | textCtrl.WriteText( tmp ); | |
275 | } | |
276 | ||
277 | void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event)) | |
278 | { | |
279 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
280 | ||
281 | textCtrl.Clear(); | |
282 | textCtrl << _T("\nTesting wxBufferedStream:\n\n"); | |
283 | ||
284 | char ch,ch2; | |
285 | ||
286 | textCtrl.WriteText( "Writing number 0 to 9 to buffered wxFileOutputStream:\n\n" ); | |
287 | ||
288 | wxFileOutputStream file_output( wxString("test_wx.dat") ); | |
289 | wxBufferedOutputStream buf_output( file_output ); | |
290 | for (ch = 0; ch < 10; ch++) | |
291 | buf_output.Write( &ch, 1 ); | |
292 | buf_output.Sync(); | |
293 | ||
294 | wxFileInputStream file_input( wxString("test_wx.dat") ); | |
295 | for (ch2 = 0; ch2 < 10; ch2++) | |
296 | { | |
297 | file_input.Read( &ch, 1 ); | |
298 | textCtrl.WriteText( (char)(ch + '0') ); | |
299 | } | |
300 | textCtrl.WriteText( "\n\n\n" ); | |
301 | ||
302 | textCtrl.WriteText( "Writing number 0 to 9 to buffered wxFileOutputStream, then\n" ); | |
303 | textCtrl.WriteText( "seeking back to #3 and writing 3:\n\n" ); | |
304 | ||
305 | wxFileOutputStream file_output2( wxString("test_wx2.dat") ); | |
306 | wxBufferedOutputStream buf_output2( file_output2 ); | |
307 | for (ch = 0; ch < 10; ch++) | |
308 | buf_output2.Write( &ch, 1 ); | |
309 | buf_output2.SeekO( 3 ); | |
310 | ch = 3; | |
311 | buf_output2.Write( &ch, 1 ); | |
312 | buf_output2.Sync(); | |
313 | ||
314 | wxFileInputStream file_input2( wxString("test_wx2.dat") ); | |
315 | for (ch2 = 0; ch2 < 10; ch2++) | |
316 | { | |
317 | file_input2.Read( &ch, 1 ); | |
318 | textCtrl.WriteText( (char)(ch + '0') ); | |
319 | } | |
320 | textCtrl.WriteText( "\n\n\n" ); | |
321 | ||
322 | // now append 2000 bytes to file (bigger than buffer) | |
323 | buf_output2.SeekO( 0, wxFromEnd ); | |
324 | ch = 1; | |
325 | for (int i = 0; i < 2000; i++) | |
326 | buf_output2.Write( &ch, 1 ); | |
327 | buf_output2.Sync(); | |
328 | ||
329 | textCtrl.WriteText( "Reading number 0 to 9 from buffered wxFileInputStream, then\n" ); | |
330 | textCtrl.WriteText( "seeking back to #3 and reading 3:\n\n" ); | |
331 | ||
332 | wxFileInputStream file_input3( wxString("test_wx2.dat") ); | |
333 | wxBufferedInputStream buf_input3( file_input3 ); | |
334 | for (ch2 = 0; ch2 < 10; ch2++) | |
335 | { | |
336 | buf_input3.Read( &ch, 1 ); | |
337 | textCtrl.WriteText( (char)(ch + '0') ); | |
338 | } | |
339 | for (int j = 0; j < 2000; j++) | |
340 | buf_input3.Read( &ch, 1 ); | |
341 | textCtrl.WriteText( "\n" ); | |
342 | buf_input3.SeekI( 3 ); | |
343 | buf_input3.Read( &ch, 1 ); | |
344 | textCtrl.WriteText( (char)(ch + '0') ); | |
345 | textCtrl.WriteText( "\n\n\n" ); | |
346 | ||
347 | } | |
348 | ||
349 | void MyApp::DoStreamDemo3(wxCommandEvent& WXUNUSED(event)) | |
350 | { | |
351 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
352 | ||
353 | textCtrl.Clear(); | |
354 | textCtrl << "\nTesting wxFileInputStream's and wxFFileInputStream's error handling:\n\n"; | |
355 | ||
356 | char ch,ch2; | |
357 | ||
358 | textCtrl.WriteText( "Writing number 0 to 9 to wxFileOutputStream:\n\n" ); | |
359 | ||
360 | wxFileOutputStream file_output( wxString("test_wx.dat") ); | |
361 | for (ch = 0; ch < 10; ch++) | |
362 | file_output.Write( &ch, 1 ); | |
363 | ||
364 | // Testing wxFileInputStream | |
365 | ||
366 | textCtrl.WriteText( "Reading 0 to 10 to wxFileInputStream:\n\n" ); | |
367 | ||
368 | wxFileInputStream file_input( wxString("test_wx.dat") ); | |
369 | for (ch2 = 0; ch2 < 11; ch2++) | |
370 | { | |
371 | file_input.Read( &ch, 1 ); | |
372 | textCtrl.WriteText( "Value read: " ); | |
373 | textCtrl.WriteText( (char)(ch + '0') ); | |
374 | textCtrl.WriteText( "; stream.LastError() returns: " ); | |
375 | switch (file_input.LastError()) | |
376 | { | |
377 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
378 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
379 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
380 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
381 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
382 | } | |
383 | } | |
384 | textCtrl.WriteText( "\n" ); | |
385 | ||
386 | textCtrl.WriteText( "Seeking to 0; stream.LastError() returns: " ); | |
387 | file_input.SeekI( 0 ); | |
388 | switch (file_input.LastError()) | |
389 | { | |
390 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
391 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
392 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
393 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
394 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
395 | } | |
396 | textCtrl.WriteText( "\n" ); | |
397 | ||
398 | file_input.Read( &ch, 1 ); | |
399 | textCtrl.WriteText( "Value read: " ); | |
400 | textCtrl.WriteText( (char)(ch + '0') ); | |
401 | textCtrl.WriteText( "; stream.LastError() returns: " ); | |
402 | switch (file_input.LastError()) | |
403 | { | |
404 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
405 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
406 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
407 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
408 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
409 | } | |
410 | textCtrl.WriteText( "\n\n" ); | |
411 | ||
412 | ||
413 | // Testing wxFFileInputStream | |
414 | ||
415 | textCtrl.WriteText( "Reading 0 to 10 to wxFFileInputStream:\n\n" ); | |
416 | ||
417 | wxFFileInputStream ffile_input( wxString("test_wx.dat") ); | |
418 | for (ch2 = 0; ch2 < 11; ch2++) | |
419 | { | |
420 | ffile_input.Read( &ch, 1 ); | |
421 | textCtrl.WriteText( "Value read: " ); | |
422 | textCtrl.WriteText( (char)(ch + '0') ); | |
423 | textCtrl.WriteText( "; stream.LastError() returns: " ); | |
424 | switch (ffile_input.LastError()) | |
425 | { | |
426 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
427 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
428 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
429 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
430 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
431 | } | |
432 | } | |
433 | textCtrl.WriteText( "\n" ); | |
434 | ||
435 | textCtrl.WriteText( "Seeking to 0; stream.LastError() returns: " ); | |
436 | ffile_input.SeekI( 0 ); | |
437 | switch (ffile_input.LastError()) | |
438 | { | |
439 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
440 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
441 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
442 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
443 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
444 | } | |
445 | textCtrl.WriteText( "\n" ); | |
446 | ||
447 | ffile_input.Read( &ch, 1 ); | |
448 | textCtrl.WriteText( "Value read: " ); | |
449 | textCtrl.WriteText( (char)(ch + '0') ); | |
450 | textCtrl.WriteText( "; stream.LastError() returns: " ); | |
451 | switch (ffile_input.LastError()) | |
452 | { | |
453 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
454 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
455 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
456 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
457 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
458 | } | |
459 | textCtrl.WriteText( "\n\n" ); | |
460 | ||
461 | // Testing wxFFileInputStream | |
462 | ||
463 | textCtrl.WriteText( "Reading 0 to 10 to buffered wxFFileInputStream:\n\n" ); | |
464 | ||
465 | wxFFileInputStream ffile_input2( wxString("test_wx.dat") ); | |
466 | wxBufferedInputStream buf_input( ffile_input2 ); | |
467 | for (ch2 = 0; ch2 < 11; ch2++) | |
468 | { | |
469 | buf_input.Read( &ch, 1 ); | |
470 | textCtrl.WriteText( "Value read: " ); | |
471 | textCtrl.WriteText( (char)(ch + '0') ); | |
472 | textCtrl.WriteText( "; stream.LastError() returns: " ); | |
473 | switch (buf_input.LastError()) | |
474 | { | |
475 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
476 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
477 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
478 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
479 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
480 | } | |
481 | } | |
482 | textCtrl.WriteText( "\n" ); | |
483 | ||
484 | textCtrl.WriteText( "Seeking to 0; stream.LastError() returns: " ); | |
485 | buf_input.SeekI( 0 ); | |
486 | switch (buf_input.LastError()) | |
487 | { | |
488 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
489 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
490 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
491 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
492 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
493 | } | |
494 | textCtrl.WriteText( "\n" ); | |
495 | ||
496 | buf_input.Read( &ch, 1 ); | |
497 | textCtrl.WriteText( "Value read: " ); | |
498 | textCtrl.WriteText( (char)(ch + '0') ); | |
499 | textCtrl.WriteText( "; stream.LastError() returns: " ); | |
500 | switch (buf_input.LastError()) | |
501 | { | |
502 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
503 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
504 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
505 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
506 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
507 | } | |
508 | } | |
509 | ||
510 | void MyApp::DoStreamDemo4(wxCommandEvent& WXUNUSED(event)) | |
511 | { | |
512 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
513 | ||
514 | wxString msg; | |
515 | ||
516 | textCtrl.Clear(); | |
517 | textCtrl << "\nTesting wxStreamBuffer:\n\n"; | |
518 | ||
519 | // bigger than buffer | |
520 | textCtrl.WriteText( "Writing 2000x 1 to wxFileOutputStream.\n\n" ); | |
521 | ||
522 | wxFileOutputStream file_output( wxString("test_wx.dat") ); | |
523 | for (int i = 0; i < 2000; i++) | |
524 | { | |
525 | char ch = 1; | |
526 | file_output.Write( &ch, 1 ); | |
527 | } | |
528 | ||
529 | textCtrl.WriteText( "Opening with a buffered wxFileInputStream:\n\n" ); | |
530 | ||
531 | wxFileInputStream file_input( wxString("test_wx.dat") ); | |
532 | wxBufferedInputStream buf_input( file_input ); | |
533 | ||
534 | textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " ); | |
535 | switch (buf_input.LastError()) | |
536 | { | |
537 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
538 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
539 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
540 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
541 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
542 | } | |
543 | msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); | |
544 | textCtrl.WriteText( msg ); | |
545 | msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); | |
546 | textCtrl.WriteText( msg ); | |
547 | textCtrl.WriteText( "\n\n" ); | |
548 | ||
549 | ||
550 | textCtrl.WriteText( "Seeking to position 300:\n\n" ); | |
551 | ||
552 | buf_input.SeekI( 300 ); | |
553 | ||
554 | textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " ); | |
555 | switch (buf_input.LastError()) | |
556 | { | |
557 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
558 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
559 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
560 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
561 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
562 | } | |
563 | msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); | |
564 | textCtrl.WriteText( msg ); | |
565 | msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); | |
566 | textCtrl.WriteText( msg ); | |
567 | textCtrl.WriteText( "\n\n" ); | |
568 | ||
569 | ||
570 | char buf[2000]; | |
571 | ||
572 | textCtrl.WriteText( "Reading 500 bytes:\n\n" ); | |
573 | ||
574 | buf_input.Read( buf, 500 ); | |
575 | ||
576 | textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " ); | |
577 | switch (buf_input.LastError()) | |
578 | { | |
579 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
580 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
581 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
582 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
583 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
584 | } | |
585 | msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); | |
586 | textCtrl.WriteText( msg ); | |
587 | msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); | |
588 | textCtrl.WriteText( msg ); | |
589 | textCtrl.WriteText( "\n\n" ); | |
590 | ||
591 | textCtrl.WriteText( "Reading another 500 bytes:\n\n" ); | |
592 | ||
593 | buf_input.Read( buf, 500 ); | |
594 | ||
595 | textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " ); | |
596 | switch (buf_input.LastError()) | |
597 | { | |
598 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
599 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
600 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
601 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
602 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
603 | } | |
604 | msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); | |
605 | textCtrl.WriteText( msg ); | |
606 | msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); | |
607 | textCtrl.WriteText( msg ); | |
608 | textCtrl.WriteText( "\n\n" ); | |
609 | ||
610 | textCtrl.WriteText( "Reading another 500 bytes:\n\n" ); | |
611 | ||
612 | buf_input.Read( buf, 500 ); | |
613 | ||
614 | textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " ); | |
615 | switch (buf_input.LastError()) | |
616 | { | |
617 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
618 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
619 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
620 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
621 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
622 | } | |
623 | msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); | |
624 | textCtrl.WriteText( msg ); | |
625 | msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); | |
626 | textCtrl.WriteText( msg ); | |
627 | textCtrl.WriteText( "\n\n" ); | |
628 | ||
629 | textCtrl.WriteText( "Reading another 500 bytes:\n\n" ); | |
630 | ||
631 | buf_input.Read( buf, 500 ); | |
632 | ||
633 | textCtrl.WriteText( "wxBufferedInputStream.LastError() returns: " ); | |
634 | switch (buf_input.LastError()) | |
635 | { | |
636 | case wxSTREAM_NOERROR: textCtrl.WriteText( "wxSTREAM_NOERROR\n" ); break; | |
637 | case wxSTREAM_EOF: textCtrl.WriteText( "wxSTREAM_EOF\n" ); break; | |
638 | case wxSTREAM_READ_ERROR: textCtrl.WriteText( "wxSTREAM_READ_ERROR\n" ); break; | |
639 | case wxSTREAM_WRITE_ERROR: textCtrl.WriteText( "wxSTREAM_WRITE_ERROR\n" ); break; | |
640 | default: textCtrl.WriteText( "Huh?\n" ); break; | |
641 | } | |
642 | msg.Printf( "wxBufferedInputStream.LastRead() returns: %d\n", (int)buf_input.LastRead() ); | |
643 | textCtrl.WriteText( msg ); | |
644 | msg.Printf( "wxBufferedInputStream.TellI() returns: %d\n", (int)buf_input.TellI() ); | |
645 | textCtrl.WriteText( msg ); | |
646 | textCtrl.WriteText( "\n\n" ); | |
647 | } | |
648 | ||
649 | void MyApp::DoStreamDemo5(wxCommandEvent& WXUNUSED(event)) | |
650 | { | |
651 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
652 | ||
653 | textCtrl.Clear(); | |
654 | textCtrl << "\nTesting wxFileInputStream's Peek():\n\n"; | |
655 | ||
656 | char ch; | |
657 | wxString str; | |
658 | ||
659 | textCtrl.WriteText( "Writing number 0 to 9 to wxFileOutputStream:\n\n" ); | |
660 | ||
661 | wxFileOutputStream file_output( wxString("test_wx.dat") ); | |
662 | for (ch = 0; ch < 10; ch++) | |
663 | file_output.Write( &ch, 1 ); | |
664 | ||
665 | file_output.Sync(); | |
666 | ||
667 | wxFileInputStream file_input( wxString("test_wx.dat") ); | |
668 | ||
669 | ch = file_input.Peek(); | |
670 | str.Printf( "First char peeked: %d\n", (int) ch ); | |
671 | textCtrl.WriteText( str ); | |
672 | ||
673 | ch = file_input.GetC(); | |
674 | str.Printf( "First char read: %d\n", (int) ch ); | |
675 | textCtrl.WriteText( str ); | |
676 | ||
677 | ch = file_input.Peek(); | |
678 | str.Printf( "Second char peeked: %d\n", (int) ch ); | |
679 | textCtrl.WriteText( str ); | |
680 | ||
681 | ch = file_input.GetC(); | |
682 | str.Printf( "Second char read: %d\n", (int) ch ); | |
683 | textCtrl.WriteText( str ); | |
684 | ||
685 | ch = file_input.Peek(); | |
686 | str.Printf( "Third char peeked: %d\n", (int) ch ); | |
687 | textCtrl.WriteText( str ); | |
688 | ||
689 | ch = file_input.GetC(); | |
690 | str.Printf( "Third char read: %d\n", (int) ch ); | |
691 | textCtrl.WriteText( str ); | |
692 | ||
693 | ||
694 | textCtrl << "\n\n\nTesting wxMemoryInputStream's Peek():\n\n"; | |
695 | ||
696 | char buf[] = { 0,1,2,3,4,5,6,7,8,9,10 }; | |
697 | wxMemoryInputStream input( buf, 10 ); | |
698 | ||
699 | ch = input.Peek(); | |
700 | str.Printf( "First char peeked: %d\n", (int) ch ); | |
701 | textCtrl.WriteText( str ); | |
702 | ||
703 | ch = input.GetC(); | |
704 | str.Printf( "First char read: %d\n", (int) ch ); | |
705 | textCtrl.WriteText( str ); | |
706 | ||
707 | ch = input.Peek(); | |
708 | str.Printf( "Second char peeked: %d\n", (int) ch ); | |
709 | textCtrl.WriteText( str ); | |
710 | ||
711 | ch = input.GetC(); | |
712 | str.Printf( "Second char read: %d\n", (int) ch ); | |
713 | textCtrl.WriteText( str ); | |
714 | ||
715 | ch = input.Peek(); | |
716 | str.Printf( "Third char peeked: %d\n", (int) ch ); | |
717 | textCtrl.WriteText( str ); | |
718 | ||
719 | ch = input.GetC(); | |
720 | str.Printf( "Third char read: %d\n", (int) ch ); | |
721 | textCtrl.WriteText( str ); | |
722 | } | |
723 | ||
724 | #if wxUSE_UNICODE | |
725 | void MyApp::DoUnicodeDemo(wxCommandEvent& WXUNUSED(event)) | |
726 | { | |
727 | wxTextCtrl& textCtrl = * GetTextCtrl(); | |
728 | ||
729 | textCtrl.Clear(); | |
730 | textCtrl << "\nTest wchar_t to char (Unicode to ANSI/Multibyte) converions:"; | |
731 | ||
732 | wxString str; | |
733 |