]> git.saurik.com Git - wxWidgets.git/blob - src/common/variant.cpp
starting blend modes for Core Graphics
[wxWidgets.git] / src / common / variant.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: variant.cpp
3 // Purpose: wxVariant class, container for any type
4 // Author: Julian Smart
5 // Modified by:
6 // Created: 10/09/98
7 // RCS-ID: $Id$
8 // Copyright: (c)
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 // For compilers that support precompilation, includes "wx/wx.h".
13 #include "wx/wxprec.h"
14
15 #ifdef __BORLANDC__
16 #pragma hdrstop
17 #endif
18
19 #if wxUSE_STD_IOSTREAM
20 #if wxUSE_IOSTREAMH
21 #include <fstream.h>
22 #else
23 #include <fstream>
24 #endif
25 #endif
26
27 #if defined(__MWERKS__) && __MSL__ >= 0x6000
28 namespace std {}
29 using namespace std ;
30 #endif
31
32 #if wxUSE_STREAMS
33 #include "wx/stream.h"
34 #include "wx/txtstrm.h"
35 #endif
36
37 #include "wx/string.h"
38 #include "wx/tokenzr.h"
39 #include "wx/math.h"
40
41 #include "wx/variant.h"
42
43 IMPLEMENT_ABSTRACT_CLASS(wxVariantData, wxObject)
44
45 wxVariant WXDLLIMPEXP_BASE wxNullVariant;
46
47 /*
48 * wxVariantDataList
49 */
50
51 class WXDLLIMPEXP_BASE wxVariantDataList: public wxVariantData
52 {
53 DECLARE_DYNAMIC_CLASS(wxVariantDataList)
54 public:
55 wxVariantDataList() {}
56 wxVariantDataList(const wxList& list);
57 ~wxVariantDataList();
58
59 wxList& GetValue() { return m_value; }
60 void SetValue(const wxList& value) ;
61
62 virtual void Copy(wxVariantData& data);
63 virtual bool Eq(wxVariantData& data) const;
64 #if wxUSE_STD_IOSTREAM
65 virtual bool Write(wxSTD ostream& str) const;
66 #endif
67 virtual bool Write(wxString& str) const;
68 #if wxUSE_STD_IOSTREAM
69 virtual bool Read(wxSTD istream& str);
70 #endif
71 virtual bool Read(wxString& str);
72 virtual wxString GetType() const { return wxT("list"); };
73
74 void Clear();
75
76 protected:
77 wxList m_value;
78 };
79
80 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataList, wxVariantData)
81
82 wxVariantDataList::wxVariantDataList(const wxList& list)
83 {
84 SetValue(list);
85 }
86
87 wxVariantDataList::~wxVariantDataList()
88 {
89 Clear();
90 }
91
92 void wxVariantDataList::SetValue(const wxList& value)
93 {
94 Clear();
95 wxList::compatibility_iterator node = value.GetFirst();
96 while (node)
97 {
98 wxVariant* var = (wxVariant*) node->GetData();
99 m_value.Append(new wxVariant(*var));
100 node = node->GetNext();
101 }
102 }
103
104 void wxVariantDataList::Clear()
105 {
106 wxList::compatibility_iterator node = m_value.GetFirst();
107 while (node)
108 {
109 wxVariant* var = (wxVariant*) node->GetData();
110 delete var;
111 node = node->GetNext();
112 }
113 m_value.Clear();
114 }
115
116 void wxVariantDataList::Copy(wxVariantData& data)
117 {
118 wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Copy: Can't copy to this type of data") );
119
120 wxVariantDataList& listData = (wxVariantDataList&) data;
121
122 listData.Clear();
123 wxList::compatibility_iterator node = m_value.GetFirst();
124 while (node)
125 {
126 wxVariant* var = (wxVariant*) node->GetData();
127 listData.m_value.Append(new wxVariant(*var));
128 node = node->GetNext();
129 }
130 }
131
132 bool wxVariantDataList::Eq(wxVariantData& data) const
133 {
134 wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Eq: argument mismatch") );
135
136 wxVariantDataList& listData = (wxVariantDataList&) data;
137 wxList::compatibility_iterator node1 = m_value.GetFirst();
138 wxList::compatibility_iterator node2 = listData.GetValue().GetFirst();
139 while (node1 && node2)
140 {
141 wxVariant* var1 = (wxVariant*) node1->GetData();
142 wxVariant* var2 = (wxVariant*) node2->GetData();
143 if ((*var1) != (*var2))
144 return false;
145 node1 = node1->GetNext();
146 node2 = node2->GetNext();
147 }
148 if (node1 || node2) return false;
149 return true;
150 }
151
152 #if wxUSE_STD_IOSTREAM
153 bool wxVariantDataList::Write(wxSTD ostream& str) const
154 {
155 wxString s;
156 Write(s);
157 str << (const char*) s.mb_str();
158 return true;
159 }
160 #endif
161
162 bool wxVariantDataList::Write(wxString& str) const
163 {
164 str = wxEmptyString;
165 wxList::compatibility_iterator node = m_value.GetFirst();
166 while (node)
167 {
168 wxVariant* var = (wxVariant*) node->GetData();
169 if (node != m_value.GetFirst())
170 str += wxT(" ");
171 wxString str1;
172 str += var->MakeString();
173 node = node->GetNext();
174 }
175
176 return true;
177 }
178
179 #if wxUSE_STD_IOSTREAM
180 bool wxVariantDataList::Read(wxSTD istream& WXUNUSED(str))
181 {
182 wxFAIL_MSG(wxT("Unimplemented"));
183 // TODO
184 return false;
185 }
186 #endif
187
188 bool wxVariantDataList::Read(wxString& WXUNUSED(str))
189 {
190 wxFAIL_MSG(wxT("Unimplemented"));
191 // TODO
192 return false;
193 }
194 #if WXWIN_COMPATIBILITY_2_4
195
196 /*
197 * wxVariantDataStringList
198 */
199
200 class WXDLLIMPEXP_BASE wxVariantDataStringList: public wxVariantData
201 {
202 DECLARE_DYNAMIC_CLASS(wxVariantDataStringList)
203 public:
204 wxVariantDataStringList() {}
205 wxVariantDataStringList(const wxStringList& list) { m_value = list; }
206
207 wxStringList& GetValue() const { return (wxStringList&) m_value; }
208 void SetValue(const wxStringList& value);
209
210 virtual void Copy(wxVariantData& data);
211 virtual bool Eq(wxVariantData& data) const;
212 #if wxUSE_STD_IOSTREAM
213 virtual bool Write(wxSTD ostream& str) const;
214 #endif
215 virtual bool Write(wxString& str) const;
216 #if wxUSE_STD_IOSTREAM
217 virtual bool Read(wxSTD istream& str);
218 #endif
219 virtual bool Read(wxString& str);
220 virtual wxString GetType() const { return wxT("stringlist"); };
221
222 protected:
223 wxStringList m_value;
224 };
225
226 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataStringList, wxVariantData)
227
228 void wxVariantDataStringList::SetValue(const wxStringList& value)
229 {
230 m_value = value;
231 }
232
233 void wxVariantDataStringList::Copy(wxVariantData& data)
234 {
235 wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Copy: Can't copy to this type of data") );
236
237 wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
238
239 listData.m_value = m_value ;
240 }
241
242 bool wxVariantDataStringList::Eq(wxVariantData& data) const
243 {
244 wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Eq: argument mismatch") );
245
246 wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
247 wxStringList::compatibility_iterator node1 = m_value.GetFirst();
248 wxStringList::compatibility_iterator node2 = listData.GetValue().GetFirst();
249 while (node1 && node2)
250 {
251 wxString str1 ( node1->GetData() );
252 wxString str2 ( node2->GetData() );
253 if (str1 != str2)
254 return false;
255 node1 = node1->GetNext();
256 node2 = node2->GetNext();
257 }
258 if (node1 || node2) return false;
259 return true;
260 }
261
262 #if wxUSE_STD_IOSTREAM
263 bool wxVariantDataStringList::Write(wxSTD ostream& str) const
264 {
265 wxString s;
266 Write(s);
267 str << (const char*) s.mb_str();
268 return true;
269 }
270 #endif
271
272 bool wxVariantDataStringList::Write(wxString& str) const
273 {
274 str.Empty();
275 wxStringList::compatibility_iterator node = m_value.GetFirst();
276 while (node)
277 {
278 const wxChar* s = node->GetData();
279 if (node != m_value.GetFirst())
280 str += wxT(" ");
281 str += s;
282 node = node->GetNext();
283 }
284
285 return true;
286 }
287
288 #if wxUSE_STD_IOSTREAM
289 bool wxVariantDataStringList::Read(wxSTD istream& WXUNUSED(str))
290 {
291 wxFAIL_MSG(wxT("Unimplemented"));
292 // TODO
293 return false;
294 }
295 #endif
296
297 bool wxVariantDataStringList::Read(wxString& WXUNUSED(str))
298 {
299 wxFAIL_MSG(wxT("Unimplemented"));
300 // TODO
301 return false;
302 }
303
304 #endif //2.4 compat
305
306 /*
307 * wxVariantDataLong
308 */
309
310 class WXDLLIMPEXP_BASE wxVariantDataLong: public wxVariantData
311 {
312 DECLARE_DYNAMIC_CLASS(wxVariantDataLong)
313 public:
314 wxVariantDataLong() { m_value = 0; }
315 wxVariantDataLong(long value) { m_value = value; }
316
317 inline long GetValue() const { return m_value; }
318 inline void SetValue(long value) { m_value = value; }
319
320 virtual void Copy(wxVariantData& data);
321 virtual bool Eq(wxVariantData& data) const;
322
323 virtual bool Read(wxString& str);
324 virtual bool Write(wxString& str) const;
325 #if wxUSE_STD_IOSTREAM
326 virtual bool Read(wxSTD istream& str);
327 virtual bool Write(wxSTD ostream& str) const;
328 #endif
329 #if wxUSE_STREAMS
330 virtual bool Read(wxInputStream& str);
331 virtual bool Write(wxOutputStream &str) const;
332 #endif // wxUSE_STREAMS
333
334 virtual wxString GetType() const { return wxT("long"); };
335
336 protected:
337 long m_value;
338 };
339
340 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataLong, wxVariantData)
341
342 void wxVariantDataLong::Copy(wxVariantData& data)
343 {
344 wxASSERT_MSG( (data.GetType() == wxT("long")), wxT("wxVariantDataLong::Copy: Can't copy to this type of data") );
345
346 wxVariantDataLong& otherData = (wxVariantDataLong&) data;
347
348 otherData.m_value = m_value;
349 }
350
351 bool wxVariantDataLong::Eq(wxVariantData& data) const
352 {
353 wxASSERT_MSG( (data.GetType() == wxT("long")), wxT("wxVariantDataLong::Eq: argument mismatch") );
354
355 wxVariantDataLong& otherData = (wxVariantDataLong&) data;
356
357 return (otherData.m_value == m_value);
358 }
359
360 #if wxUSE_STD_IOSTREAM
361 bool wxVariantDataLong::Write(wxSTD ostream& str) const
362 {
363 wxString s;
364 Write(s);
365 str << (const char*) s.mb_str();
366 return true;
367 }
368 #endif
369
370 bool wxVariantDataLong::Write(wxString& str) const
371 {
372 str.Printf(wxT("%ld"), m_value);
373 return true;
374 }
375
376 #if wxUSE_STD_IOSTREAM
377 bool wxVariantDataLong::Read(wxSTD istream& str)
378 {
379 str >> m_value;
380 return true;
381 }
382 #endif
383
384 #if wxUSE_STREAMS
385 bool wxVariantDataLong::Write(wxOutputStream& str) const
386 {
387 wxTextOutputStream s(str);
388
389 s.Write32((size_t)m_value);
390 return true;
391 }
392
393 bool wxVariantDataLong::Read(wxInputStream& str)
394 {
395 wxTextInputStream s(str);
396 m_value = s.Read32();
397 return true;
398 }
399 #endif // wxUSE_STREAMS
400
401 bool wxVariantDataLong::Read(wxString& str)
402 {
403 m_value = wxAtol((const wxChar*) str);
404 return true;
405 }
406
407 /*
408 * wxVariantDataReal
409 */
410
411 class WXDLLIMPEXP_BASE wxVariantDataReal: public wxVariantData
412 {
413 DECLARE_DYNAMIC_CLASS(wxVariantDataReal)
414 public:
415 wxVariantDataReal() { m_value = 0.0; }
416 wxVariantDataReal(double value) { m_value = value; }
417
418 inline double GetValue() const { return m_value; }
419 inline void SetValue(double value) { m_value = value; }
420
421 virtual void Copy(wxVariantData& data);
422 virtual bool Eq(wxVariantData& data) const;
423 virtual bool Read(wxString& str);
424 #if wxUSE_STD_IOSTREAM
425 virtual bool Write(wxSTD ostream& str) const;
426 #endif
427 virtual bool Write(wxString& str) const;
428 #if wxUSE_STD_IOSTREAM
429 virtual bool Read(wxSTD istream& str);
430 #endif
431 #if wxUSE_STREAMS
432 virtual bool Read(wxInputStream& str);
433 virtual bool Write(wxOutputStream &str) const;
434 #endif // wxUSE_STREAMS
435 virtual wxString GetType() const { return wxT("double"); };
436
437 protected:
438 double m_value;
439 };
440
441 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataReal, wxVariantData)
442
443 void wxVariantDataReal::Copy(wxVariantData& data)
444 {
445 wxASSERT_MSG( (data.GetType() == wxT("double")), wxT("wxVariantDataReal::Copy: Can't copy to this type of data") );
446
447 wxVariantDataReal& otherData = (wxVariantDataReal&) data;
448
449 otherData.m_value = m_value;
450 }
451
452 bool wxVariantDataReal::Eq(wxVariantData& data) const
453 {
454 wxASSERT_MSG( (data.GetType() == wxT("double")), wxT("wxVariantDataReal::Eq: argument mismatch") );
455
456 wxVariantDataReal& otherData = (wxVariantDataReal&) data;
457
458 return wxIsSameDouble(otherData.m_value, m_value);
459 }
460
461 #if wxUSE_STD_IOSTREAM
462 bool wxVariantDataReal::Write(wxSTD ostream& str) const
463 {
464 wxString s;
465 Write(s);
466 str << (const char*) s.mb_str();
467 return true;
468 }
469 #endif
470
471 bool wxVariantDataReal::Write(wxString& str) const
472 {
473 str.Printf(wxT("%.4f"), m_value);
474 return true;
475 }
476
477 #if wxUSE_STD_IOSTREAM
478 bool wxVariantDataReal::Read(wxSTD istream& str)
479 {
480 str >> m_value;
481 return true;
482 }
483 #endif
484
485 #if wxUSE_STREAMS
486 bool wxVariantDataReal::Write(wxOutputStream& str) const
487 {
488 wxTextOutputStream s(str);
489 s.WriteDouble((double)m_value);
490 return true;
491 }
492
493 bool wxVariantDataReal::Read(wxInputStream& str)
494 {
495 wxTextInputStream s(str);
496 m_value = (float)s.ReadDouble();
497 return true;
498 }
499 #endif // wxUSE_STREAMS
500
501 bool wxVariantDataReal::Read(wxString& str)
502 {
503 m_value = wxAtof((const wxChar*) str);
504 return true;
505 }
506
507 #ifdef HAVE_BOOL
508 /*
509 * wxVariantDataBool
510 */
511
512 class WXDLLIMPEXP_BASE wxVariantDataBool: public wxVariantData
513 {
514 DECLARE_DYNAMIC_CLASS(wxVariantDataBool)
515 public:
516 wxVariantDataBool() { m_value = 0; }
517 wxVariantDataBool(bool value) { m_value = value; }
518
519 inline bool GetValue() const { return m_value; }
520 inline void SetValue(bool value) { m_value = value; }
521
522 virtual void Copy(wxVariantData& data);
523 virtual bool Eq(wxVariantData& data) const;
524 #if wxUSE_STD_IOSTREAM
525 virtual bool Write(wxSTD ostream& str) const;
526 #endif
527 virtual bool Write(wxString& str) const;
528 virtual bool Read(wxString& str);
529 #if wxUSE_STD_IOSTREAM
530 virtual bool Read(wxSTD istream& str);
531 #endif
532 #if wxUSE_STREAMS
533 virtual bool Read(wxInputStream& str);
534 virtual bool Write(wxOutputStream& str) const;
535 #endif // wxUSE_STREAMS
536 virtual wxString GetType() const { return wxT("bool"); };
537
538 protected:
539 bool m_value;
540 };
541
542 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataBool, wxVariantData)
543
544 void wxVariantDataBool::Copy(wxVariantData& data)
545 {
546 wxASSERT_MSG( (data.GetType() == wxT("bool")), wxT("wxVariantDataBool::Copy: Can't copy to this type of data") );
547
548 wxVariantDataBool& otherData = (wxVariantDataBool&) data;
549
550 otherData.m_value = m_value;
551 }
552
553 bool wxVariantDataBool::Eq(wxVariantData& data) const
554 {
555 wxASSERT_MSG( (data.GetType() == wxT("bool")), wxT("wxVariantDataBool::Eq: argument mismatch") );
556
557 wxVariantDataBool& otherData = (wxVariantDataBool&) data;
558
559 return (otherData.m_value == m_value);
560 }
561
562 #if wxUSE_STD_IOSTREAM
563 bool wxVariantDataBool::Write(wxSTD ostream& str) const
564 {
565 wxString s;
566 Write(s);
567 str << (const char*) s.mb_str();
568 return true;
569 }
570 #endif
571
572 bool wxVariantDataBool::Write(wxString& str) const
573 {
574 str.Printf(wxT("%d"), (int) m_value);
575 return true;
576 }
577
578 #if wxUSE_STD_IOSTREAM
579 bool wxVariantDataBool::Read(wxSTD istream& WXUNUSED(str))
580 {
581 wxFAIL_MSG(wxT("Unimplemented"));
582 // str >> (long) m_value;
583 return false;
584 }
585 #endif
586
587 #if wxUSE_STREAMS
588 bool wxVariantDataBool::Write(wxOutputStream& str) const
589 {
590 wxTextOutputStream s(str);
591
592 s.Write8(m_value);
593 return true;
594 }
595
596 bool wxVariantDataBool::Read(wxInputStream& str)
597 {
598 wxTextInputStream s(str);
599
600 m_value = s.Read8() != 0;
601 return true;
602 }
603 #endif // wxUSE_STREAMS
604
605 bool wxVariantDataBool::Read(wxString& str)
606 {
607 m_value = (wxAtol((const wxChar*) str) != 0);
608 return true;
609 }
610 #endif // HAVE_BOOL
611
612 /*
613 * wxVariantDataChar
614 */
615
616 class WXDLLIMPEXP_BASE wxVariantDataChar: public wxVariantData
617 {
618 DECLARE_DYNAMIC_CLASS(wxVariantDataChar)
619 public:
620 wxVariantDataChar() { m_value = 0; }
621 wxVariantDataChar(char value) { m_value = value; }
622
623 inline char GetValue() const { return m_value; }
624 inline void SetValue(char value) { m_value = value; }
625
626 virtual void Copy(wxVariantData& data);
627 virtual bool Eq(wxVariantData& data) const;
628 #if wxUSE_STD_IOSTREAM
629 virtual bool Read(wxSTD istream& str);
630 virtual bool Write(wxSTD ostream& str) const;
631 #endif
632 virtual bool Read(wxString& str);
633 virtual bool Write(wxString& str) const;
634 #if wxUSE_STREAMS
635 virtual bool Read(wxInputStream& str);
636 virtual bool Write(wxOutputStream& str) const;
637 #endif // wxUSE_STREAMS
638 virtual wxString GetType() const { return wxT("char"); };
639
640 protected:
641 char m_value;
642 };
643
644 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataChar, wxVariantData)
645
646 void wxVariantDataChar::Copy(wxVariantData& data)
647 {
648 wxASSERT_MSG( (data.GetType() == wxT("char")), wxT("wxVariantDataChar::Copy: Can't copy to this type of data") );
649
650 wxVariantDataChar& otherData = (wxVariantDataChar&) data;
651
652 otherData.m_value = m_value;
653 }
654
655 bool wxVariantDataChar::Eq(wxVariantData& data) const
656 {
657 wxASSERT_MSG( (data.GetType() == wxT("char")), wxT("wxVariantDataChar::Eq: argument mismatch") );
658
659 wxVariantDataChar& otherData = (wxVariantDataChar&) data;
660
661 return (otherData.m_value == m_value);
662 }
663
664 #if wxUSE_STD_IOSTREAM
665 bool wxVariantDataChar::Write(wxSTD ostream& str) const
666 {
667 wxString s;
668 Write(s);
669 str << (const char*) s.mb_str();
670 return true;
671 }
672 #endif
673
674 bool wxVariantDataChar::Write(wxString& str) const
675 {
676 str.Printf(wxT("%c"), m_value);
677 return true;
678 }
679
680 #if wxUSE_STD_IOSTREAM
681 bool wxVariantDataChar::Read(wxSTD istream& WXUNUSED(str))
682 {
683 wxFAIL_MSG(wxT("Unimplemented"));
684 // str >> m_value;
685 return false;
686 }
687 #endif
688
689 #if wxUSE_STREAMS
690 bool wxVariantDataChar::Write(wxOutputStream& str) const
691 {
692 wxTextOutputStream s(str);
693
694 s.Write8(m_value);
695 return true;
696 }
697
698 bool wxVariantDataChar::Read(wxInputStream& str)
699 {
700 wxTextInputStream s(str);
701
702 m_value = s.Read8();
703 return true;
704 }
705 #endif // wxUSE_STREAMS
706
707 bool wxVariantDataChar::Read(wxString& str)
708 {
709 m_value = str.ToAscii()[size_t(0)];
710 return true;
711 }
712
713 /*
714 * wxVariantDataString
715 */
716
717 class WXDLLIMPEXP_BASE wxVariantDataString: public wxVariantData
718 {
719 DECLARE_DYNAMIC_CLASS(wxVariantDataString)
720 public:
721 wxVariantDataString() { }
722 wxVariantDataString(const wxString& value) { m_value = value; }
723
724 inline wxString GetValue() const { return m_value; }
725 inline void SetValue(const wxString& value) { m_value = value; }
726
727 virtual void Copy(wxVariantData& data);
728 virtual bool Eq(wxVariantData& data) const;
729 #if wxUSE_STD_IOSTREAM
730 virtual bool Write(wxSTD ostream& str) const;
731 #endif
732 virtual bool Read(wxString& str);
733 virtual bool Write(wxString& str) const;
734 #if wxUSE_STD_IOSTREAM
735 virtual bool Read(wxSTD istream& str);
736 #endif
737 #if wxUSE_STREAMS
738 virtual bool Read(wxInputStream& str);
739 virtual bool Write(wxOutputStream& str) const;
740 #endif // wxUSE_STREAMS
741 virtual wxString GetType() const { return wxT("string"); };
742
743 protected:
744 wxString m_value;
745 };
746
747 void wxVariantDataString::Copy(wxVariantData& data)
748 {
749 wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Copy: Can't copy to this type of data") );
750
751 wxVariantDataString& otherData = (wxVariantDataString&) data;
752
753 otherData.m_value = m_value;
754 }
755
756 bool wxVariantDataString::Eq(wxVariantData& data) const
757 {
758 wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Eq: argument mismatch") );
759
760 wxVariantDataString& otherData = (wxVariantDataString&) data;
761
762 return (otherData.m_value == m_value);
763 }
764
765 #if wxUSE_STD_IOSTREAM
766 bool wxVariantDataString::Write(wxSTD ostream& str) const
767 {
768 str << (const char*) m_value.mb_str();
769 return true;
770 }
771 #endif
772
773 bool wxVariantDataString::Write(wxString& str) const
774 {
775 str = m_value;
776 return true;
777 }
778
779 #if wxUSE_STD_IOSTREAM
780 bool wxVariantDataString::Read(wxSTD istream& str)
781 {
782 str >> m_value;
783 return true;
784 }
785 #endif
786
787 #if wxUSE_STREAMS
788 bool wxVariantDataString::Write(wxOutputStream& str) const
789 {
790 // why doesn't wxOutputStream::operator<< take "const wxString&"
791 wxTextOutputStream s(str);
792 s.WriteString(m_value);
793 return true;
794 }
795
796 bool wxVariantDataString::Read(wxInputStream& str)
797 {
798 wxTextInputStream s(str);
799
800 m_value = s.ReadString();
801 return true;
802 }
803 #endif // wxUSE_STREAMS
804
805 bool wxVariantDataString::Read(wxString& str)
806 {
807 m_value = str;
808 return true;
809 }
810
811 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataString, wxVariantData)
812
813 /*
814 * wxVariantDataVoidPtr
815 */
816
817 class wxVariantDataVoidPtr: public wxVariantData
818 {
819 DECLARE_DYNAMIC_CLASS(wxVariantDataVoidPtr)
820 public:
821 wxVariantDataVoidPtr() { }
822 wxVariantDataVoidPtr(void* value) { m_value = value; }
823
824 inline void* GetValue() const { return m_value; }
825 inline void SetValue(void* value) { m_value = value; }
826
827 virtual void Copy(wxVariantData& data);
828 virtual bool Eq(wxVariantData& data) const;
829 #if wxUSE_STD_IOSTREAM
830 virtual bool Write(wxSTD ostream& str) const;
831 #endif
832 virtual bool Write(wxString& str) const;
833 #if wxUSE_STD_IOSTREAM
834 virtual bool Read(wxSTD istream& str);
835 #endif
836 virtual bool Read(wxString& str);
837 virtual wxString GetType() const { return wxT("void*"); };
838 virtual wxVariantData* Clone() { return new wxVariantDataVoidPtr; }
839
840 protected:
841 void* m_value;
842
843 DECLARE_NO_COPY_CLASS(wxVariantDataVoidPtr)
844 };
845
846 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataVoidPtr, wxVariantData)
847
848 void wxVariantDataVoidPtr::Copy(wxVariantData& data)
849 {
850 wxASSERT_MSG( (data.GetType() == wxT("void*")), wxT("wxVariantDataVoidPtr::Copy: Can't copy to this type of data") );
851
852 wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
853
854 otherData.m_value = m_value;
855 }
856
857 bool wxVariantDataVoidPtr::Eq(wxVariantData& data) const
858 {
859 wxASSERT_MSG( (data.GetType() == wxT("void*")), wxT("wxVariantDataVoidPtr::Eq: argument mismatch") );
860
861 wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
862
863 return (otherData.m_value == m_value);
864 }
865
866 #if wxUSE_STD_IOSTREAM
867 bool wxVariantDataVoidPtr::Write(wxSTD ostream& str) const
868 {
869 wxString s;
870 Write(s);
871 str << (const char*) s.mb_str();
872 return true;
873 }
874 #endif
875
876 bool wxVariantDataVoidPtr::Write(wxString& str) const
877 {
878 str.Printf(wxT("%p"), m_value);
879 return true;
880 }
881
882 #if wxUSE_STD_IOSTREAM
883 bool wxVariantDataVoidPtr::Read(wxSTD istream& WXUNUSED(str))
884 {
885 // Not implemented
886 return false;
887 }
888 #endif
889
890 bool wxVariantDataVoidPtr::Read(wxString& WXUNUSED(str))
891 {
892 // Not implemented
893 return false;
894 }
895
896 /*
897 * wxVariantDataWxObjectPtr
898 */
899
900 class wxVariantDataWxObjectPtr: public wxVariantData
901 {
902 DECLARE_DYNAMIC_CLASS(wxVariantDataWxObjectPtr)
903 public:
904 wxVariantDataWxObjectPtr() { }
905 wxVariantDataWxObjectPtr(wxObject* value) { m_value = value; }
906
907 inline wxObject* GetValue() const { return m_value; }
908 inline void SetValue(wxObject* value) { m_value = value; }
909
910 virtual void Copy(wxVariantData& data);
911 virtual bool Eq(wxVariantData& data) const;
912 #if wxUSE_STD_IOSTREAM
913 virtual bool Write(wxSTD ostream& str) const;
914 #endif
915 virtual bool Write(wxString& str) const;
916 #if wxUSE_STD_IOSTREAM
917 virtual bool Read(wxSTD istream& str);
918 #endif
919 virtual bool Read(wxString& str);
920 virtual wxString GetType() const ;
921 virtual wxVariantData* Clone() { return new wxVariantDataWxObjectPtr; }
922
923 virtual wxClassInfo* GetValueClassInfo() ;
924 protected:
925 wxObject* m_value;
926
927 DECLARE_NO_COPY_CLASS(wxVariantDataWxObjectPtr)
928 };
929
930 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataWxObjectPtr, wxVariantData)
931
932 void wxVariantDataWxObjectPtr::Copy(wxVariantData& data)
933 {
934 wxASSERT_MSG( wxIsKindOf((&data), wxVariantDataWxObjectPtr) ,\
935 wxT("wxVariantDataWxObjectPtr::Copy: Can't copy to this type of data") \
936 );
937
938 wxVariantDataWxObjectPtr& otherData = (wxVariantDataWxObjectPtr&) data;
939
940 otherData.m_value = m_value;
941 }
942
943 bool wxVariantDataWxObjectPtr::Eq(wxVariantData& data) const
944 {
945 wxASSERT_MSG( wxIsKindOf((&data), wxVariantDataWxObjectPtr), wxT("wxVariantDataWxObjectPtr::Eq: argument mismatch") );
946
947 wxVariantDataWxObjectPtr& otherData = (wxVariantDataWxObjectPtr&) data;
948
949 return (otherData.m_value == m_value);
950 }
951
952 wxString wxVariantDataWxObjectPtr::GetType() const
953 {
954 wxString returnVal(wxT("wxObject"));
955 if (m_value) {
956 returnVal = m_value->GetClassInfo()->GetClassName();
957 }
958 return returnVal;
959 }
960
961 wxClassInfo* wxVariantDataWxObjectPtr::GetValueClassInfo()
962 {
963 wxClassInfo* returnVal=NULL;
964
965 if (m_value) returnVal = m_value->GetClassInfo();
966
967 return returnVal;
968 }
969
970 #if wxUSE_STD_IOSTREAM
971 bool wxVariantDataWxObjectPtr::Write(wxSTD ostream& str) const
972 {
973 wxString s;
974 Write(s);
975 str << (const char*) s.mb_str();
976 return true;
977 }
978 #endif
979
980 bool wxVariantDataWxObjectPtr::Write(wxString& str) const
981 {
982 str.Printf(wxT("%s(%p)"), GetType().c_str(), m_value);
983 return true;
984 }
985
986 #if wxUSE_STD_IOSTREAM
987 bool wxVariantDataWxObjectPtr::Read(wxSTD istream& WXUNUSED(str))
988 {
989 // Not implemented
990 return false;
991 }
992 #endif
993
994 bool wxVariantDataWxObjectPtr::Read(wxString& WXUNUSED(str))
995 {
996 // Not implemented
997 return false;
998 }
999
1000
1001 /*
1002 * wxVariantDataDateTime
1003 */
1004
1005 #if wxUSE_DATETIME
1006
1007 class wxVariantDataDateTime: public wxVariantData
1008 {
1009 DECLARE_DYNAMIC_CLASS(wxVariantDataDateTime)
1010
1011 public:
1012 wxVariantDataDateTime() { }
1013 wxVariantDataDateTime(const wxDateTime& value) { m_value = value; }
1014 #if wxUSE_ODBC
1015 wxVariantDataDateTime(const TIME_STRUCT* valptr)
1016 { m_value = wxDateTime(valptr->hour, valptr->minute, valptr->second); }
1017 wxVariantDataDateTime(const DATE_STRUCT* valptr)
1018 { m_value = wxDateTime(valptr->day, (wxDateTime::Month) (valptr->month - 1),valptr->year); }
1019 wxVariantDataDateTime(const TIMESTAMP_STRUCT* valptr)
1020 { m_value = wxDateTime(valptr->day, (wxDateTime::Month) (valptr->month - 1), valptr->year,
1021 valptr->hour, valptr->minute, valptr->second, (wxDateTime::wxDateTime_t)valptr->fraction ); }
1022 #endif //ODBC
1023
1024 inline wxDateTime GetValue() const { return m_value; }
1025 inline void SetValue(const wxDateTime& value) { m_value = value; }
1026
1027 virtual void Copy(wxVariantData& data);
1028 virtual bool Eq(wxVariantData& data) const;
1029 #if wxUSE_STD_IOSTREAM
1030 virtual bool Write(wxSTD ostream& str) const;
1031 #endif
1032 virtual bool Write(wxString& str) const;
1033 #if wxUSE_STD_IOSTREAM
1034 virtual bool Read(wxSTD istream& str);
1035 #endif
1036 virtual bool Read(wxString& str);
1037 virtual wxString GetType() const { return wxT("datetime"); };
1038 virtual wxVariantData* Clone() { return new wxVariantDataDateTime; }
1039
1040 protected:
1041 wxDateTime m_value;
1042 };
1043
1044
1045 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataDateTime, wxVariantData)
1046
1047 void wxVariantDataDateTime::Copy(wxVariantData& data)
1048 {
1049 wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Copy: Can't copy to this type of data") );
1050
1051 wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
1052
1053 otherData.m_value = m_value;
1054 }
1055
1056
1057 bool wxVariantDataDateTime::Eq(wxVariantData& data) const
1058 {
1059 wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Eq: argument mismatch") );
1060
1061 wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
1062
1063 return (otherData.m_value == m_value);
1064 }
1065
1066
1067 #if wxUSE_STD_IOSTREAM
1068 bool wxVariantDataDateTime::Write(wxSTD ostream& WXUNUSED(str)) const
1069 {
1070 // Not implemented
1071 return false;
1072 }
1073 #endif
1074
1075
1076 bool wxVariantDataDateTime::Write(wxString& str) const
1077 {
1078 str = m_value.Format();
1079 return true;
1080 }
1081
1082
1083 #if wxUSE_STD_IOSTREAM
1084 bool wxVariantDataDateTime::Read(wxSTD istream& WXUNUSED(str))
1085 {
1086 // Not implemented
1087 return false;
1088 }
1089 #endif
1090
1091
1092 bool wxVariantDataDateTime::Read(wxString& str)
1093 {
1094 if(! m_value.ParseDateTime(str))
1095 return false;
1096 return true;
1097 }
1098
1099 #endif // wxUSE_DATETIME
1100
1101 // ----------------------------------------------------------------------------
1102 // wxVariantDataArrayString
1103 // ----------------------------------------------------------------------------
1104
1105 class wxVariantDataArrayString: public wxVariantData
1106 {
1107 public:
1108 wxVariantDataArrayString() { }
1109 wxVariantDataArrayString(const wxArrayString& value) { m_value = value; }
1110
1111 wxArrayString GetValue() const { return m_value; }
1112 void SetValue(const wxArrayString& value) { m_value = value; }
1113
1114 virtual void Copy(wxVariantData& data);
1115 virtual bool Eq(wxVariantData& data) const;
1116 #if wxUSE_STD_IOSTREAM
1117 virtual bool Write(wxSTD ostream& str) const;
1118 #endif
1119 virtual bool Write(wxString& str) const;
1120 #if wxUSE_STD_IOSTREAM
1121 virtual bool Read(wxSTD istream& str);
1122 #endif
1123 virtual bool Read(wxString& str);
1124 virtual wxString GetType() const { return wxT("arrstring"); };
1125 virtual wxVariantData* Clone() { return new wxVariantDataArrayString; }
1126
1127 protected:
1128 wxArrayString m_value;
1129
1130 DECLARE_DYNAMIC_CLASS(wxVariantDataArrayString)
1131 };
1132
1133 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataArrayString, wxVariantData)
1134
1135 void wxVariantDataArrayString::Copy(wxVariantData& data)
1136 {
1137 wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Copy: Can't copy to this type of data") );
1138
1139 wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;
1140
1141 otherData.m_value = m_value;
1142 }
1143
1144
1145 bool wxVariantDataArrayString::Eq(wxVariantData& data) const
1146 {
1147 wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Eq: argument mismatch") );
1148
1149 wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;
1150
1151 return otherData.m_value == m_value;
1152 }
1153
1154
1155 #if wxUSE_STD_IOSTREAM
1156 bool wxVariantDataArrayString::Write(wxSTD ostream& WXUNUSED(str)) const
1157 {
1158 // Not implemented
1159 return false;
1160 }
1161 #endif
1162
1163
1164 bool wxVariantDataArrayString::Write(wxString& str) const
1165 {
1166 size_t count = m_value.GetCount();
1167 for ( size_t n = 0; n < count; n++ )
1168 {
1169 if ( n )
1170 str += _T(';');
1171
1172 str += m_value[n];
1173 }
1174
1175 return true;
1176 }
1177
1178
1179 #if wxUSE_STD_IOSTREAM
1180 bool wxVariantDataArrayString::Read(wxSTD istream& WXUNUSED(str))
1181 {
1182 // Not implemented
1183 return false;
1184 }
1185 #endif
1186
1187
1188 bool wxVariantDataArrayString::Read(wxString& str)
1189 {
1190 wxStringTokenizer tk(str, _T(";"));
1191 while ( tk.HasMoreTokens() )
1192 {
1193 m_value.Add(tk.GetNextToken());
1194 }
1195
1196 return true;
1197 }
1198
1199
1200
1201 /*
1202 * wxVariant
1203 */
1204
1205 IMPLEMENT_DYNAMIC_CLASS(wxVariant, wxObject)
1206
1207 // Construction & destruction
1208 wxVariant::wxVariant()
1209 {
1210 m_data = (wxVariantData*) NULL;
1211 }
1212
1213 wxVariant::wxVariant(double val, const wxString& name)
1214 {
1215 m_data = new wxVariantDataReal(val);
1216 m_name = name;
1217 }
1218
1219 wxVariant::wxVariant(long val, const wxString& name)
1220 {
1221 m_data = new wxVariantDataLong(val);
1222 m_name = name;
1223 }
1224
1225 #ifdef HAVE_BOOL
1226 wxVariant::wxVariant(bool val, const wxString& name)
1227 {
1228 m_data = new wxVariantDataBool(val);
1229 m_name = name;
1230 }
1231 #endif
1232
1233 wxVariant::wxVariant(char val, const wxString& name)
1234 {
1235 m_data = new wxVariantDataChar(val);
1236 m_name = name;
1237 }
1238
1239 wxVariant::wxVariant(const wxString& val, const wxString& name)
1240 {
1241 m_data = new wxVariantDataString(val);
1242 m_name = name;
1243 }
1244
1245 wxVariant::wxVariant(const wxChar* val, const wxString& name)
1246 {
1247 m_data = new wxVariantDataString(wxString(val));
1248 m_name = name;
1249 }
1250
1251 #if WXWIN_COMPATIBILITY_2_4
1252
1253 wxVariant::wxVariant(const wxStringList& val, const wxString& name)
1254 {
1255 m_data = new wxVariantDataStringList(val);
1256 m_name = name;
1257 }
1258
1259 #endif
1260
1261 wxVariant::wxVariant(const wxList& val, const wxString& name) // List of variants
1262 {
1263 m_data = new wxVariantDataList(val);
1264 m_name = name;
1265 }
1266
1267 wxVariant::wxVariant( void* val, const wxString& name)
1268 {
1269 m_data = new wxVariantDataVoidPtr(val);
1270 m_name = name;
1271 }
1272
1273 wxVariant::wxVariant( wxObject* val, const wxString& name)
1274 {
1275 m_data = new wxVariantDataWxObjectPtr(val);
1276 m_name = name;
1277 }
1278
1279 #if wxUSE_DATETIME
1280 wxVariant::wxVariant(const wxDateTime& val, const wxString& name) // Date
1281 {
1282 m_data = new wxVariantDataDateTime(val);
1283 m_name = name;
1284 }
1285 #endif // wxUSE_DATETIME
1286
1287 #if wxUSE_ODBC
1288 wxVariant::wxVariant(const TIME_STRUCT* valptr, const wxString& name) // Date
1289 {
1290 m_data = new wxVariantDataDateTime(valptr);
1291 m_name = name;
1292 }
1293
1294 wxVariant::wxVariant(const TIMESTAMP_STRUCT* valptr, const wxString& name) // Date
1295 {
1296 m_data = new wxVariantDataDateTime(valptr);
1297 m_name = name;
1298 }
1299
1300 wxVariant::wxVariant(const DATE_STRUCT* valptr, const wxString& name) // Date
1301 {
1302 m_data = new wxVariantDataDateTime(valptr);
1303 m_name = name;
1304 }
1305 #endif // wxUSE_ODBC
1306
1307 wxVariant::wxVariant(const wxArrayString& val, const wxString& name) // Strings
1308 {
1309 m_data = new wxVariantDataArrayString(val);
1310 m_name = name;
1311 }
1312
1313 wxVariant::wxVariant(const wxVariant& variant)
1314 : wxObject()
1315 {
1316 if (!variant.IsNull())
1317 {
1318 m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
1319 variant.m_data->Copy(*m_data);
1320 }
1321 else
1322 m_data = (wxVariantData*) NULL;
1323 m_name = variant.m_name;
1324 }
1325
1326 wxVariant::wxVariant(wxVariantData* data, const wxString& name) // User-defined data
1327 {
1328 m_data = data;
1329 m_name = name;
1330 }
1331
1332 wxVariant::~wxVariant()
1333 {
1334 delete m_data;
1335 }
1336
1337
1338 // Make NULL (i.e. delete the data)
1339 void wxVariant::MakeNull()
1340 {
1341 delete m_data;
1342 m_data = NULL;
1343 }
1344
1345 // Generic operators
1346 // Assignment
1347 void wxVariant::operator= (const wxVariant& variant)
1348 {
1349 if (variant.IsNull())
1350 {
1351 MakeNull();
1352 return;
1353 }
1354
1355 if (IsNull() || (GetType() != variant.GetType()))
1356 {
1357 if (m_data)
1358 delete m_data;
1359 m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
1360 }
1361
1362 variant.GetData()->Copy(* GetData());
1363
1364 m_name = variant.m_name;
1365 }
1366
1367 // Assignment using data, e.g.
1368 // myVariant = new wxStringVariantData("hello")
1369 void wxVariant::operator= (wxVariantData* variantData)
1370 {
1371 MakeNull();
1372 m_data = variantData;
1373 }
1374
1375 bool wxVariant::operator== (const wxVariant& variant) const
1376 {
1377 if (IsNull() || variant.IsNull())
1378 return (IsNull() == variant.IsNull());
1379
1380 return (GetData()->Eq(* variant.GetData()));
1381 }
1382
1383 bool wxVariant::operator!= (const wxVariant& variant) const
1384 {
1385 return (!(*this == variant));
1386 }
1387
1388
1389 // Specific operators
1390 bool wxVariant::operator== (double value) const
1391 {
1392 double thisValue;
1393 if (!Convert(&thisValue))
1394 return false;
1395
1396 return wxIsSameDouble(value, thisValue);
1397 }
1398
1399 bool wxVariant::operator!= (double value) const
1400 {
1401 return (!((*this) == value));
1402 }
1403
1404 void wxVariant::operator= (double value)
1405 {
1406 if (GetType() == wxT("double"))
1407 {
1408 ((wxVariantDataReal*)GetData())->SetValue(value);
1409 }
1410 else
1411 {
1412 if (m_data)
1413 delete m_data;
1414 m_data = new wxVariantDataReal(value);
1415 }
1416 }
1417
1418 bool wxVariant::operator== (long value) const
1419 {
1420 long thisValue;
1421 if (!Convert(&thisValue))
1422 return false;
1423 else
1424 return (value == thisValue);
1425 }
1426
1427 bool wxVariant::operator!= (long value) const
1428 {
1429 return (!((*this) == value));
1430 }
1431
1432 void wxVariant::operator= (long value)
1433 {
1434 if (GetType() == wxT("long"))
1435 {
1436 ((wxVariantDataLong*)GetData())->SetValue(value);
1437 }
1438 else
1439 {
1440 if (m_data)
1441 delete m_data;
1442 m_data = new wxVariantDataLong(value);
1443 }
1444 }
1445
1446 bool wxVariant::operator== (char value) const
1447 {
1448 char thisValue;
1449 if (!Convert(&thisValue))
1450 return false;
1451 else
1452 return (value == thisValue);
1453 }
1454
1455 bool wxVariant::operator!= (char value) const
1456 {
1457 return (!((*this) == value));
1458 }
1459
1460 void wxVariant::operator= (char value)
1461 {
1462 if (GetType() == wxT("char"))
1463 {
1464 ((wxVariantDataChar*)GetData())->SetValue(value);
1465 }
1466 else
1467 {
1468 if (m_data)
1469 delete m_data;
1470 m_data = new wxVariantDataChar(value);
1471 }
1472 }
1473
1474 #ifdef HAVE_BOOL
1475 bool wxVariant::operator== (bool value) const
1476 {
1477 bool thisValue;
1478 if (!Convert(&thisValue))
1479 return false;
1480 else
1481 return (value == thisValue);
1482 }
1483
1484 bool wxVariant::operator!= (bool value) const
1485 {
1486 return (!((*this) == value));
1487 }
1488
1489 void wxVariant::operator= (bool value)
1490 {
1491 if (GetType() == wxT("bool"))
1492 {
1493 ((wxVariantDataBool*)GetData())->SetValue(value);
1494 }
1495 else
1496 {
1497 if (m_data)
1498 delete m_data;
1499 m_data = new wxVariantDataBool(value);
1500 }
1501 }
1502 #endif // HAVE_BOOL
1503
1504 bool wxVariant::operator== (const wxString& value) const
1505 {
1506 wxString thisValue;
1507 if (!Convert(&thisValue))
1508 return false;
1509
1510 return value == thisValue;
1511 }
1512
1513 bool wxVariant::operator!= (const wxString& value) const
1514 {
1515 return (!((*this) == value));
1516 }
1517
1518 void wxVariant::operator= (const wxString& value)
1519 {
1520 if (GetType() == wxT("string"))
1521 {
1522 ((wxVariantDataString*)GetData())->SetValue(value);
1523 }
1524 else
1525 {
1526 if (m_data)
1527 delete m_data;
1528 m_data = new wxVariantDataString(value);
1529 }
1530 }
1531
1532 void wxVariant::operator= (const wxChar* value)
1533 {
1534 if (GetType() == wxT("string"))
1535 {
1536 ((wxVariantDataString*)GetData())->SetValue(wxString(value));
1537 }
1538 else
1539 {
1540 if (m_data)
1541 delete m_data;
1542 m_data = new wxVariantDataString(wxString(value));
1543 }
1544 }
1545
1546 #if WXWIN_COMPATIBILITY_2_4
1547
1548 bool wxVariant::operator== (const wxStringList& value) const
1549 {
1550 wxASSERT_MSG( (GetType() == wxT("stringlist")), wxT("Invalid type for == operator") );
1551
1552 wxVariantDataStringList other(value);
1553 return (m_data->Eq(other));
1554 }
1555
1556 bool wxVariant::operator!= (const wxStringList& value) const
1557 {
1558 wxASSERT_MSG( (GetType() == wxT("stringlist")), wxT("Invalid type for == operator") );
1559
1560 wxVariantDataStringList other(value);
1561 return !(m_data->Eq(other));
1562 }
1563
1564 void wxVariant::operator= (const wxStringList& value)
1565 {
1566 if (GetType() == wxT("stringlist"))
1567 {
1568 ((wxVariantDataStringList*)GetData())->SetValue(value);
1569 }
1570 else
1571 {
1572 if (m_data)
1573 delete m_data;
1574 m_data = new wxVariantDataStringList(value);
1575 }
1576 }
1577
1578 #endif
1579
1580 bool wxVariant::operator== (const wxList& value) const
1581 {
1582 wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for == operator") );
1583
1584 wxVariantDataList other(value);
1585 return (m_data->Eq(other));
1586 }
1587
1588 bool wxVariant::operator!= (const wxList& value) const
1589 {
1590 return (!((*this) == value));
1591 }
1592
1593 void wxVariant::operator= (const wxList& value)
1594 {
1595 if (GetType() == wxT("list"))
1596 {
1597 ((wxVariantDataList*)GetData())->SetValue(value);
1598 }
1599 else
1600 {
1601 if (m_data)
1602 delete m_data;
1603 m_data = new wxVariantDataList(value);
1604 }
1605 }
1606
1607 bool wxVariant::operator== (void* value) const
1608 {
1609 return (value == ((wxVariantDataVoidPtr*)GetData())->GetValue());
1610 }
1611
1612 bool wxVariant::operator!= (void* value) const
1613 {
1614 return (!((*this) == (void*) value));
1615 }
1616
1617 void wxVariant::operator= (void* value)
1618 {
1619 if (GetType() == wxT("void*"))
1620 {
1621 ((wxVariantDataVoidPtr*)GetData())->SetValue(value);
1622 }
1623 else
1624 {
1625 if (m_data)
1626 delete m_data;
1627 m_data = new wxVariantDataVoidPtr(value);
1628 }
1629 }
1630
1631 #if wxUSE_DATETIME
1632 bool wxVariant::operator== (const wxDateTime& value) const
1633 {
1634 wxDateTime thisValue;
1635 if (!Convert(&thisValue))
1636 return false;
1637
1638 return value.IsEqualTo(thisValue);
1639 }
1640
1641 bool wxVariant::operator!= (const wxDateTime& value) const
1642 {
1643 return (!((*this) == value));
1644 }
1645
1646 void wxVariant::operator= (const wxDateTime& value)
1647 {
1648 if (GetType() == wxT("datetime"))
1649 {
1650 ((wxVariantDataDateTime*)GetData())->SetValue(value);
1651 }
1652 else
1653 {
1654 if (m_data)
1655 delete m_data;
1656 m_data = new wxVariantDataDateTime(value);
1657 }
1658 }
1659 #endif // wxUSE_DATETIME
1660
1661 #if wxUSE_ODBC
1662 void wxVariant::operator= (const DATE_STRUCT* value)
1663 {
1664 if (m_data)
1665 delete m_data;
1666 m_data = new wxVariantDataDateTime(value);
1667 }
1668
1669
1670 void wxVariant::operator= (const TIME_STRUCT* value)
1671 {
1672 if (m_data)
1673 delete m_data;
1674 m_data = new wxVariantDataDateTime(value);
1675 }
1676
1677
1678 void wxVariant::operator= (const TIMESTAMP_STRUCT* value)
1679 {
1680 if (m_data)
1681 delete m_data;
1682 m_data = new wxVariantDataDateTime(value);
1683 }
1684
1685 #endif // wxUSE_ODBC
1686
1687 bool wxVariant::operator==(const wxArrayString& WXUNUSED(value)) const
1688 {
1689 wxFAIL_MSG( _T("TODO") );
1690
1691 return false;
1692 }
1693
1694 bool wxVariant::operator!=(const wxArrayString& value) const
1695 {
1696 return !(*this == value);
1697 }
1698
1699 void wxVariant::operator=(const wxArrayString& value)
1700 {
1701 if (GetType() == wxT("arrstring"))
1702 {
1703 ((wxVariantDataArrayString *)GetData())->SetValue(value);
1704 }
1705 else
1706 {
1707 delete m_data;
1708 m_data = new wxVariantDataArrayString(value);
1709 }
1710 }
1711
1712 wxArrayString wxVariant::GetArrayString() const
1713 {
1714 if ( GetType() == wxT("arrstring") )
1715 return ((wxVariantDataArrayString *)GetData())->GetValue();
1716
1717 return wxArrayString();
1718 }
1719
1720
1721 // Treat a list variant as an array
1722 wxVariant wxVariant::operator[] (size_t idx) const
1723 {
1724 #if WXWIN_COMPATIBILITY_2_4
1725 wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for array operator") );
1726 #else
1727 wxASSERT_MSG( GetType() == wxT("list"), wxT("Invalid type for array operator") );
1728 #endif
1729
1730 if (GetType() == wxT("list"))
1731 {
1732 wxVariantDataList* data = (wxVariantDataList*) m_data;
1733 wxASSERT_MSG( (idx < (size_t) data->GetValue().GetCount()), wxT("Invalid index for array") );
1734 return * (wxVariant*) (data->GetValue().Item(idx)->GetData());
1735 }
1736 #if WXWIN_COMPATIBILITY_2_4
1737 else if (GetType() == wxT("stringlist"))
1738 {
1739 wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1740 wxASSERT_MSG( (idx < (size_t) data->GetValue().GetCount()), wxT("Invalid index for array") );
1741
1742 wxString str( (const wxChar*) (data->GetValue().Item(idx)->GetData()) );
1743 wxVariant variant( str );
1744 return variant;
1745 }
1746 #endif
1747 return wxNullVariant;
1748 }
1749
1750 wxVariant& wxVariant::operator[] (size_t idx)
1751 {
1752 // We can't return a reference to a variant for a string list, since the string
1753 // is actually stored as a char*, not a variant.
1754
1755 wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for array operator") );
1756
1757 wxVariantDataList* data = (wxVariantDataList*) m_data;
1758 wxASSERT_MSG( (idx < (size_t) data->GetValue().GetCount()), wxT("Invalid index for array") );
1759
1760 return * (wxVariant*) (data->GetValue().Item(idx)->GetData());
1761 }
1762
1763 // Return the number of elements in a list
1764 int wxVariant::GetCount() const
1765 {
1766 #if WXWIN_COMPATIBILITY_2_4
1767 wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for GetCount()") );
1768 #else
1769 wxASSERT_MSG( GetType() == wxT("list"), wxT("Invalid type for GetCount()") );
1770 #endif
1771
1772 if (GetType() == wxT("list"))
1773 {
1774 wxVariantDataList* data = (wxVariantDataList*) m_data;
1775 return data->GetValue().GetCount();
1776 }
1777 #if WXWIN_COMPATIBILITY_2_4
1778 else if (GetType() == wxT("stringlist"))
1779 {
1780 wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1781 return data->GetValue().GetCount();
1782 }
1783 #endif
1784 return 0;
1785 }
1786
1787 wxString wxVariant::MakeString() const
1788 {
1789 if (!IsNull())
1790 {
1791 wxString str;
1792 if (GetData()->Write(str))
1793 return str;
1794 }
1795 return wxEmptyString;
1796 }
1797
1798 // Accessors
1799
1800 void wxVariant::SetData(wxVariantData* data)
1801 {
1802 if (m_data) delete m_data;
1803 m_data = data;
1804 }
1805
1806
1807 // Returns a string representing the type of the variant,
1808 // e.g. "string", "bool", "list", "double", "long"
1809 wxString wxVariant::GetType() const
1810 {
1811 if (IsNull())
1812 return wxString(wxT("null"));
1813 else
1814 return m_data->GetType();
1815 }
1816
1817
1818 bool wxVariant::IsType(const wxString& type) const
1819 {
1820 return (GetType() == type);
1821 }
1822
1823 bool wxVariant::IsValueKindOf(const wxClassInfo* type) const
1824 {
1825 wxClassInfo* info=m_data->GetValueClassInfo();
1826 return info ? info->IsKindOf(type) : false ;
1827 }
1828
1829
1830 // Value accessors
1831 double wxVariant::GetReal() const
1832 {
1833 double value;
1834 if (Convert(& value))
1835 return value;
1836 else
1837 {
1838 wxFAIL_MSG(wxT("Could not convert to a real number"));
1839 return 0.0;
1840 }
1841 }
1842
1843 long wxVariant::GetInteger() const
1844 {
1845 long value;
1846 if (Convert(& value))
1847 return value;
1848 else
1849 {
1850 wxFAIL_MSG(wxT("Could not convert to an integer"));
1851 return 0;
1852 }
1853 }
1854
1855 char wxVariant::GetChar() const
1856 {
1857 char value;
1858 if (Convert(& value))
1859 return value;
1860 else
1861 {
1862 wxFAIL_MSG(wxT("Could not convert to a char"));
1863 return 0;
1864 }
1865 }
1866
1867 bool wxVariant::GetBool() const
1868 {
1869 bool value;
1870 if (Convert(& value))
1871 return value;
1872 else
1873 {
1874 wxFAIL_MSG(wxT("Could not convert to a bool"));
1875 return 0;
1876 }
1877 }
1878
1879 wxString wxVariant::GetString() const
1880 {
1881 wxString value;
1882 if (!Convert(& value))
1883 {
1884 wxFAIL_MSG(wxT("Could not convert to a string"));
1885 }
1886
1887 return value;
1888 }
1889
1890 void* wxVariant::GetVoidPtr() const
1891 {
1892 wxASSERT( (GetType() == wxT("void*")) );
1893
1894 return (void*) ((wxVariantDataVoidPtr*) m_data)->GetValue();
1895 }
1896
1897 wxObject* wxVariant::GetWxObjectPtr()
1898 {
1899 wxASSERT(wxIsKindOf(m_data, wxVariantDataWxObjectPtr));
1900 return (wxObject*) ((wxVariantDataWxObjectPtr*) m_data)->GetValue();
1901 }
1902
1903 #if wxUSE_DATETIME
1904 wxDateTime wxVariant::GetDateTime() const
1905 {
1906 wxDateTime value;
1907 if (!Convert(& value))
1908 {
1909 wxFAIL_MSG(wxT("Could not convert to a datetime"));
1910 }
1911
1912 return value;
1913 }
1914 #endif // wxUSE_DATETIME
1915
1916 wxList& wxVariant::GetList() const
1917 {
1918 wxASSERT( (GetType() == wxT("list")) );
1919
1920 return (wxList&) ((wxVariantDataList*) m_data)->GetValue();
1921 }
1922
1923 #if WXWIN_COMPATIBILITY_2_4
1924
1925 wxStringList& wxVariant::GetStringList() const
1926 {
1927 wxASSERT( (GetType() == wxT("stringlist")) );
1928
1929 return (wxStringList&) ((wxVariantDataStringList*) m_data)->GetValue();
1930 }
1931
1932 #endif
1933
1934 // Make empty list
1935 void wxVariant::NullList()
1936 {
1937 SetData(new wxVariantDataList());
1938 }
1939
1940 // Append to list
1941 void wxVariant::Append(const wxVariant& value)
1942 {
1943 wxList& list = GetList();
1944
1945 list.Append(new wxVariant(value));
1946 }
1947
1948 // Insert at front of list
1949 void wxVariant::Insert(const wxVariant& value)
1950 {
1951 wxList& list = GetList();
1952
1953 list.Insert(new wxVariant(value));
1954 }
1955
1956 // Returns true if the variant is a member of the list
1957 bool wxVariant::Member(const wxVariant& value) const
1958 {
1959 wxList& list = GetList();
1960
1961 wxList::compatibility_iterator node = list.GetFirst();
1962 while (node)
1963 {
1964 wxVariant* other = (wxVariant*) node->GetData();
1965 if (value == *other)
1966 return true;
1967 node = node->GetNext();
1968 }
1969 return false;
1970 }
1971
1972 // Deletes the nth element of the list
1973 bool wxVariant::Delete(int item)
1974 {
1975 wxList& list = GetList();
1976
1977 wxASSERT_MSG( (item < (int) list.GetCount()), wxT("Invalid index to Delete") );
1978 wxList::compatibility_iterator node = list.Item(item);
1979 wxVariant* variant = (wxVariant*) node->GetData();
1980 delete variant;
1981 list.Erase(node);
1982 return true;
1983 }
1984
1985 // Clear list
1986 void wxVariant::ClearList()
1987 {
1988 if (!IsNull() && (GetType() == wxT("list")))
1989 {
1990 ((wxVariantDataList*) m_data)->Clear();
1991 }
1992 else
1993 {
1994 if (!GetType().IsSameAs(wxT("list")))
1995 {
1996 delete m_data;
1997 m_data = NULL;
1998 }
1999 m_data = new wxVariantDataList;
2000 }
2001 }
2002
2003 // Type conversion
2004 bool wxVariant::Convert(long* value) const
2005 {
2006 wxString type(GetType());
2007 if (type == wxT("double"))
2008 *value = (long) (((wxVariantDataReal*)GetData())->GetValue());
2009 else if (type == wxT("long"))
2010 *value = ((wxVariantDataLong*)GetData())->GetValue();
2011 #ifdef HAVE_BOOL
2012 else if (type == wxT("bool"))
2013 *value = (long) (((wxVariantDataBool*)GetData())->GetValue());
2014 #endif
2015 else if (type == wxT("string"))
2016 *value = wxAtol((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
2017 else
2018 return false;
2019
2020 return true;
2021 }
2022
2023 bool wxVariant::Convert(bool* value) const
2024 {
2025 wxString type(GetType());
2026 if (type == wxT("double"))
2027 *value = ((int) (((wxVariantDataReal*)GetData())->GetValue()) != 0);
2028 else if (type == wxT("long"))
2029 *value = (((wxVariantDataLong*)GetData())->GetValue() != 0);
2030 #ifdef HAVE_BOOL
2031 else if (type == wxT("bool"))
2032 *value = ((wxVariantDataBool*)GetData())->GetValue();
2033 #endif
2034 else if (type == wxT("string"))
2035 {
2036 wxString val(((wxVariantDataString*)GetData())->GetValue());
2037 val.MakeLower();
2038 if (val == wxT("true") || val == wxT("yes") || val == wxT('1') )
2039 *value = true;
2040 else if (val == wxT("false") || val == wxT("no") || val == wxT('0') )
2041 *value = false;
2042 else
2043 return false;
2044 }
2045 else
2046 return false;
2047
2048 return true;
2049 }
2050
2051 bool wxVariant::Convert(double* value) const
2052 {
2053 wxString type(GetType());
2054 if (type == wxT("double"))
2055 *value = ((wxVariantDataReal*)GetData())->GetValue();
2056 else if (type == wxT("long"))
2057 *value = (double) (((wxVariantDataLong*)GetData())->GetValue());
2058 #ifdef HAVE_BOOL
2059 else if (type == wxT("bool"))
2060 *value = (double) (((wxVariantDataBool*)GetData())->GetValue());
2061 #endif
2062 else if (type == wxT("string"))
2063 *value = (double) wxAtof((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
2064 else
2065 return false;
2066
2067 return true;
2068 }
2069
2070 bool wxVariant::Convert(char* value) const
2071 {
2072 wxString type(GetType());
2073 if (type == wxT("char"))
2074 *value = ((wxVariantDataChar*)GetData())->GetValue();
2075 else if (type == wxT("long"))
2076 *value = (char) (((wxVariantDataLong*)GetData())->GetValue());
2077 #ifdef HAVE_BOOL
2078 else if (type == wxT("bool"))
2079 *value = (char) (((wxVariantDataBool*)GetData())->GetValue());
2080 #endif
2081 else
2082 return false;
2083
2084 return true;
2085 }
2086
2087 bool wxVariant::Convert(wxString* value) const
2088 {
2089 *value = MakeString();
2090 return true;
2091 }
2092
2093 #if wxUSE_DATETIME
2094 bool wxVariant::Convert(wxDateTime* value) const
2095 {
2096 wxString type(GetType());
2097 if (type == wxT("datetime"))
2098 {
2099 *value = ((wxVariantDataDateTime*)GetData())->GetValue();
2100 return true;
2101 }
2102 // Fallback to string conversion
2103 wxString val;
2104 return Convert(&val) &&
2105 (value->ParseDateTime(val) || value->ParseDate(val));
2106 }
2107 #endif // wxUSE_DATETIME
2108