src/common/variant.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/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 #include "wx/variant.h"
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/string.h"
  23     #include "wx/math.h"
  24     #if wxUSE_STREAMS
  25         #include "wx/stream.h"
  26     #endif
  27 #endif
  28
  29 #if wxUSE_STD_IOSTREAM
  30     #if wxUSE_IOSTREAMH
  31         #include <fstream.h>
  32     #else
  33         #include <fstream>
  34     #endif
  35 #endif
  36
  37 #if defined(__MWERKS__) && __MSL__ >= 0x6000
  38 namespace std {}
  39 using namespace std ;
  40 #endif
  41
  42 #if wxUSE_STREAMS
  43     #include "wx/txtstrm.h"
  44 #endif
  45
  46 #include "wx/string.h"
  47 #include "wx/tokenzr.h"
  48
  49 IMPLEMENT_ABSTRACT_CLASS(wxVariantData, wxObject)
  50
  51 wxVariant WXDLLIMPEXP_BASE wxNullVariant;
  52
  53 /*
  54  * wxVariantDataList
  55  */
  56
  57 class WXDLLIMPEXP_BASE wxVariantDataList: public wxVariantData
  58 {
  59 DECLARE_DYNAMIC_CLASS(wxVariantDataList)
  60 public:
  61     wxVariantDataList() {}
  62     wxVariantDataList(const wxList& list);
  63     ~wxVariantDataList();
  64
  65     wxList& GetValue() { return m_value; }
  66     void SetValue(const wxList& value) ;
  67
  68     virtual void Copy(wxVariantData& data);
  69     virtual bool Eq(wxVariantData& data) const;
  70 #if wxUSE_STD_IOSTREAM
  71     virtual bool Write(wxSTD ostream& str) const;
  72 #endif
  73     virtual bool Write(wxString& str) const;
  74 #if wxUSE_STD_IOSTREAM
  75     virtual bool Read(wxSTD istream& str);
  76 #endif
  77     virtual bool Read(wxString& str);
  78     virtual wxString GetType() const { return wxT("list"); };
  79
  80     void Clear();
  81
  82 protected:
  83     wxList  m_value;
  84 };
  85
  86 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataList, wxVariantData)
  87
  88 wxVariantDataList::wxVariantDataList(const wxList& list)
  89 {
  90     SetValue(list);
  91 }
  92
  93 wxVariantDataList::~wxVariantDataList()
  94 {
  95     Clear();
  96 }
  97
  98 void wxVariantDataList::SetValue(const wxList& value)
  99 {
 100     Clear();
 101     wxList::compatibility_iterator node = value.GetFirst();
 102     while (node)
 103     {
 104         wxVariant* var = (wxVariant*) node->GetData();
 105         m_value.Append(new wxVariant(*var));
 106         node = node->GetNext();
 107     }
 108 }
 109
 110 void wxVariantDataList::Clear()
 111 {
 112     wxList::compatibility_iterator node = m_value.GetFirst();
 113     while (node)
 114     {
 115         wxVariant* var = (wxVariant*) node->GetData();
 116         delete var;
 117         node = node->GetNext();
 118     }
 119     m_value.Clear();
 120 }
 121
 122 void wxVariantDataList::Copy(wxVariantData& data)
 123 {
 124     wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Copy: Can't copy to this type of data") );
 125
 126     wxVariantDataList& listData = (wxVariantDataList&) data;
 127
 128     listData.Clear();
 129     wxList::compatibility_iterator node = m_value.GetFirst();
 130     while (node)
 131     {
 132         wxVariant* var = (wxVariant*) node->GetData();
 133         listData.m_value.Append(new wxVariant(*var));
 134         node = node->GetNext();
 135     }
 136 }
 137
 138 bool wxVariantDataList::Eq(wxVariantData& data) const
 139 {
 140     wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Eq: argument mismatch") );
 141
 142     wxVariantDataList& listData = (wxVariantDataList&) data;
 143     wxList::compatibility_iterator node1 = m_value.GetFirst();
 144     wxList::compatibility_iterator node2 = listData.GetValue().GetFirst();
 145     while (node1 && node2)
 146     {
 147         wxVariant* var1 = (wxVariant*) node1->GetData();
 148         wxVariant* var2 = (wxVariant*) node2->GetData();
 149         if ((*var1) != (*var2))
 150             return false;
 151         node1 = node1->GetNext();
 152         node2 = node2->GetNext();
 153     }
 154     if (node1 || node2) return false;
 155     return true;
 156 }
 157
 158 #if wxUSE_STD_IOSTREAM
 159 bool wxVariantDataList::Write(wxSTD ostream& str) const
 160 {
 161     wxString s;
 162     Write(s);
 163     str << (const char*) s.mb_str();
 164     return true;
 165 }
 166 #endif
 167
 168 bool wxVariantDataList::Write(wxString& str) const
 169 {
 170     str = wxEmptyString;
 171     wxList::compatibility_iterator node = m_value.GetFirst();
 172     while (node)
 173     {
 174         wxVariant* var = (wxVariant*) node->GetData();
 175         if (node != m_value.GetFirst())
 176           str += wxT(" ");
 177         wxString str1;
 178         str += var->MakeString();
 179         node = node->GetNext();
 180     }
 181
 182     return true;
 183 }
 184
 185 #if wxUSE_STD_IOSTREAM
 186 bool wxVariantDataList::Read(wxSTD istream& WXUNUSED(str))
 187 {
 188     wxFAIL_MSG(wxT("Unimplemented"));
 189     // TODO
 190     return false;
 191 }
 192 #endif
 193
 194 bool wxVariantDataList::Read(wxString& WXUNUSED(str))
 195 {
 196     wxFAIL_MSG(wxT("Unimplemented"));
 197     // TODO
 198     return false;
 199 }
 200 #if WXWIN_COMPATIBILITY_2_4
 201
 202 /*
 203  * wxVariantDataStringList
 204  */
 205
 206 class WXDLLIMPEXP_BASE wxVariantDataStringList: public wxVariantData
 207 {
 208 DECLARE_DYNAMIC_CLASS(wxVariantDataStringList)
 209 public:
 210     wxVariantDataStringList() {}
 211     wxVariantDataStringList(const wxStringList& list) { m_value = list; }
 212
 213     wxStringList& GetValue() const { return (wxStringList&) m_value; }
 214     void SetValue(const wxStringList& value);
 215
 216     virtual void Copy(wxVariantData& data);
 217     virtual bool Eq(wxVariantData& data) const;
 218 #if wxUSE_STD_IOSTREAM
 219     virtual bool Write(wxSTD ostream& str) const;
 220 #endif
 221     virtual bool Write(wxString& str) const;
 222 #if wxUSE_STD_IOSTREAM
 223     virtual bool Read(wxSTD istream& str);
 224 #endif
 225     virtual bool Read(wxString& str);
 226     virtual wxString GetType() const { return wxT("stringlist"); };
 227
 228 protected:
 229     wxStringList  m_value;
 230 };
 231
 232 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataStringList, wxVariantData)
 233
 234 void wxVariantDataStringList::SetValue(const wxStringList& value)
 235 {
 236     m_value = value;
 237 }
 238
 239 void wxVariantDataStringList::Copy(wxVariantData& data)
 240 {
 241     wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Copy: Can't copy to this type of data") );
 242
 243     wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
 244
 245     listData.m_value = m_value ;
 246 }
 247
 248 bool wxVariantDataStringList::Eq(wxVariantData& data) const
 249 {
 250     wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Eq: argument mismatch") );
 251
 252     wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
 253     wxStringList::compatibility_iterator node1 = m_value.GetFirst();
 254     wxStringList::compatibility_iterator node2 = listData.GetValue().GetFirst();
 255     while (node1 && node2)
 256     {
 257         wxString str1 ( node1->GetData() );
 258         wxString str2 ( node2->GetData() );
 259         if (str1 != str2)
 260             return false;
 261         node1 = node1->GetNext();
 262         node2 = node2->GetNext();
 263     }
 264     if (node1 || node2) return false;
 265     return true;
 266 }
 267
 268 #if wxUSE_STD_IOSTREAM
 269 bool wxVariantDataStringList::Write(wxSTD ostream& str) const
 270 {
 271     wxString s;
 272     Write(s);
 273     str << (const char*) s.mb_str();
 274     return true;
 275 }
 276 #endif
 277
 278 bool wxVariantDataStringList::Write(wxString& str) const
 279 {
 280     str.Empty();
 281     wxStringList::compatibility_iterator node = m_value.GetFirst();
 282     while (node)
 283     {
 284         const wxChar* s = node->GetData();
 285         if (node != m_value.GetFirst())
 286           str += wxT(" ");
 287         str += s;
 288         node = node->GetNext();
 289     }
 290
 291     return true;
 292 }
 293
 294 #if wxUSE_STD_IOSTREAM
 295 bool wxVariantDataStringList::Read(wxSTD istream& WXUNUSED(str))
 296 {
 297     wxFAIL_MSG(wxT("Unimplemented"));
 298     // TODO
 299     return false;
 300 }
 301 #endif
 302
 303 bool wxVariantDataStringList::Read(wxString& WXUNUSED(str))
 304 {
 305     wxFAIL_MSG(wxT("Unimplemented"));
 306     // TODO
 307     return false;
 308 }
 309
 310 #endif //2.4 compat
 311
 312 /*
 313  * wxVariantDataLong
 314  */
 315
 316 class WXDLLIMPEXP_BASE wxVariantDataLong: public wxVariantData
 317 {
 318 DECLARE_DYNAMIC_CLASS(wxVariantDataLong)
 319 public:
 320     wxVariantDataLong() { m_value = 0; }
 321     wxVariantDataLong(long value) { m_value = value; }
 322
 323     inline long GetValue() const { return m_value; }
 324     inline void SetValue(long value) { m_value = value; }
 325
 326     virtual void Copy(wxVariantData& data);
 327     virtual bool Eq(wxVariantData& data) const;
 328
 329     virtual bool Read(wxString& str);
 330     virtual bool Write(wxString& str) const;
 331 #if wxUSE_STD_IOSTREAM
 332     virtual bool Read(wxSTD istream& str);
 333     virtual bool Write(wxSTD ostream& str) const;
 334 #endif
 335 #if wxUSE_STREAMS
 336     virtual bool Read(wxInputStream& str);
 337     virtual bool Write(wxOutputStream &str) const;
 338 #endif // wxUSE_STREAMS
 339
 340     virtual wxString GetType() const { return wxT("long"); };
 341
 342 protected:
 343     long m_value;
 344 };
 345
 346 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataLong, wxVariantData)
 347
 348 void wxVariantDataLong::Copy(wxVariantData& data)
 349 {
 350     wxASSERT_MSG( (data.GetType() == wxT("long")), wxT("wxVariantDataLong::Copy: Can't copy to this type of data") );
 351
 352     wxVariantDataLong& otherData = (wxVariantDataLong&) data;
 353
 354     otherData.m_value = m_value;
 355 }
 356
 357 bool wxVariantDataLong::Eq(wxVariantData& data) const
 358 {
 359     wxASSERT_MSG( (data.GetType() == wxT("long")), wxT("wxVariantDataLong::Eq: argument mismatch") );
 360
 361     wxVariantDataLong& otherData = (wxVariantDataLong&) data;
 362
 363     return (otherData.m_value == m_value);
 364 }
 365
 366 #if wxUSE_STD_IOSTREAM
 367 bool wxVariantDataLong::Write(wxSTD ostream& str) const
 368 {
 369     wxString s;
 370     Write(s);
 371     str << (const char*) s.mb_str();
 372     return true;
 373 }
 374 #endif
 375
 376 bool wxVariantDataLong::Write(wxString& str) const
 377 {
 378     str.Printf(wxT("%ld"), m_value);
 379     return true;
 380 }
 381
 382 #if wxUSE_STD_IOSTREAM
 383 bool wxVariantDataLong::Read(wxSTD istream& str)
 384 {
 385     str >> m_value;
 386     return true;
 387 }
 388 #endif
 389
 390 #if wxUSE_STREAMS
 391 bool wxVariantDataLong::Write(wxOutputStream& str) const
 392 {
 393     wxTextOutputStream s(str);
 394
 395     s.Write32((size_t)m_value);
 396     return true;
 397 }
 398
 399 bool wxVariantDataLong::Read(wxInputStream& str)
 400 {
 401    wxTextInputStream s(str);
 402    m_value = s.Read32();
 403    return true;
 404 }
 405 #endif // wxUSE_STREAMS
 406
 407 bool wxVariantDataLong::Read(wxString& str)
 408 {
 409     m_value = wxAtol((const wxChar*) str);
 410     return true;
 411 }
 412
 413 /*
 414  * wxVariantDataReal
 415  */
 416
 417 class WXDLLIMPEXP_BASE wxVariantDataReal: public wxVariantData
 418 {
 419 DECLARE_DYNAMIC_CLASS(wxVariantDataReal)
 420 public:
 421     wxVariantDataReal() { m_value = 0.0; }
 422     wxVariantDataReal(double value) { m_value = value; }
 423
 424     inline double GetValue() const { return m_value; }
 425     inline void SetValue(double value) { m_value = value; }
 426
 427     virtual void Copy(wxVariantData& data);
 428     virtual bool Eq(wxVariantData& data) const;
 429     virtual bool Read(wxString& str);
 430 #if wxUSE_STD_IOSTREAM
 431     virtual bool Write(wxSTD ostream& str) const;
 432 #endif
 433     virtual bool Write(wxString& str) const;
 434 #if wxUSE_STD_IOSTREAM
 435     virtual bool Read(wxSTD istream& str);
 436 #endif
 437 #if wxUSE_STREAMS
 438     virtual bool Read(wxInputStream& str);
 439     virtual bool Write(wxOutputStream &str) const;
 440 #endif // wxUSE_STREAMS
 441     virtual wxString GetType() const { return wxT("double"); };
 442
 443 protected:
 444     double m_value;
 445 };
 446
 447 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataReal, wxVariantData)
 448
 449 void wxVariantDataReal::Copy(wxVariantData& data)
 450 {
 451     wxASSERT_MSG( (data.GetType() == wxT("double")), wxT("wxVariantDataReal::Copy: Can't copy to this type of data") );
 452
 453     wxVariantDataReal& otherData = (wxVariantDataReal&) data;
 454
 455     otherData.m_value = m_value;
 456 }
 457
 458 bool wxVariantDataReal::Eq(wxVariantData& data) const
 459 {
 460     wxASSERT_MSG( (data.GetType() == wxT("double")), wxT("wxVariantDataReal::Eq: argument mismatch") );
 461
 462     wxVariantDataReal& otherData = (wxVariantDataReal&) data;
 463
 464     return wxIsSameDouble(otherData.m_value, m_value);
 465 }
 466
 467 #if wxUSE_STD_IOSTREAM
 468 bool wxVariantDataReal::Write(wxSTD ostream& str) const
 469 {
 470     wxString s;
 471     Write(s);
 472     str << (const char*) s.mb_str();
 473     return true;
 474 }
 475 #endif
 476
 477 bool wxVariantDataReal::Write(wxString& str) const
 478 {
 479     str.Printf(wxT("%.14g"), m_value);
 480     return true;
 481 }
 482
 483 #if wxUSE_STD_IOSTREAM
 484 bool wxVariantDataReal::Read(wxSTD istream& str)
 485 {
 486     str >> m_value;
 487     return true;
 488 }
 489 #endif
 490
 491 #if wxUSE_STREAMS
 492 bool wxVariantDataReal::Write(wxOutputStream& str) const
 493 {
 494     wxTextOutputStream s(str);
 495     s.WriteDouble((double)m_value);
 496     return true;
 497 }
 498
 499 bool wxVariantDataReal::Read(wxInputStream& str)
 500 {
 501     wxTextInputStream s(str);
 502     m_value = (float)s.ReadDouble();
 503     return true;
 504 }
 505 #endif // wxUSE_STREAMS
 506
 507 bool wxVariantDataReal::Read(wxString& str)
 508 {
 509     m_value = wxAtof((const wxChar*) str);
 510     return true;
 511 }
 512
 513 #ifdef HAVE_BOOL
 514 /*
 515  * wxVariantDataBool
 516  */
 517
 518 class WXDLLIMPEXP_BASE wxVariantDataBool: public wxVariantData
 519 {
 520 DECLARE_DYNAMIC_CLASS(wxVariantDataBool)
 521 public:
 522     wxVariantDataBool() { m_value = 0; }
 523     wxVariantDataBool(bool value) { m_value = value; }
 524
 525     inline bool GetValue() const { return m_value; }
 526     inline void SetValue(bool value) { m_value = value; }
 527
 528     virtual void Copy(wxVariantData& data);
 529     virtual bool Eq(wxVariantData& data) const;
 530 #if wxUSE_STD_IOSTREAM
 531     virtual bool Write(wxSTD ostream& str) const;
 532 #endif
 533     virtual bool Write(wxString& str) const;
 534     virtual bool Read(wxString& str);
 535 #if wxUSE_STD_IOSTREAM
 536     virtual bool Read(wxSTD istream& str);
 537 #endif
 538 #if wxUSE_STREAMS
 539     virtual bool Read(wxInputStream& str);
 540     virtual bool Write(wxOutputStream& str) const;
 541 #endif // wxUSE_STREAMS
 542     virtual wxString GetType() const { return wxT("bool"); };
 543
 544 protected:
 545     bool m_value;
 546 };
 547
 548 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataBool, wxVariantData)
 549
 550 void wxVariantDataBool::Copy(wxVariantData& data)
 551 {
 552     wxASSERT_MSG( (data.GetType() == wxT("bool")), wxT("wxVariantDataBool::Copy: Can't copy to this type of data") );
 553
 554     wxVariantDataBool& otherData = (wxVariantDataBool&) data;
 555
 556     otherData.m_value = m_value;
 557 }
 558
 559 bool wxVariantDataBool::Eq(wxVariantData& data) const
 560 {
 561     wxASSERT_MSG( (data.GetType() == wxT("bool")), wxT("wxVariantDataBool::Eq: argument mismatch") );
 562
 563     wxVariantDataBool& otherData = (wxVariantDataBool&) data;
 564
 565     return (otherData.m_value == m_value);
 566 }
 567
 568 #if wxUSE_STD_IOSTREAM
 569 bool wxVariantDataBool::Write(wxSTD ostream& str) const
 570 {
 571     wxString s;
 572     Write(s);
 573     str << (const char*) s.mb_str();
 574     return true;
 575 }
 576 #endif
 577
 578 bool wxVariantDataBool::Write(wxString& str) const
 579 {
 580     str.Printf(wxT("%d"), (int) m_value);
 581     return true;
 582 }
 583
 584 #if wxUSE_STD_IOSTREAM
 585 bool wxVariantDataBool::Read(wxSTD istream& WXUNUSED(str))
 586 {
 587     wxFAIL_MSG(wxT("Unimplemented"));
 588 //    str >> (long) m_value;
 589     return false;
 590 }
 591 #endif
 592
 593 #if wxUSE_STREAMS
 594 bool wxVariantDataBool::Write(wxOutputStream& str) const
 595 {
 596     wxTextOutputStream s(str);
 597
 598     s.Write8(m_value);
 599     return true;
 600 }
 601
 602 bool wxVariantDataBool::Read(wxInputStream& str)
 603 {
 604     wxTextInputStream s(str);
 605
 606     m_value = s.Read8() != 0;
 607     return true;
 608 }
 609 #endif // wxUSE_STREAMS
 610
 611 bool wxVariantDataBool::Read(wxString& str)
 612 {
 613     m_value = (wxAtol((const wxChar*) str) != 0);
 614     return true;
 615 }
 616 #endif // HAVE_BOOL
 617
 618 /*
 619  * wxVariantDataChar
 620  */
 621
 622 class WXDLLIMPEXP_BASE wxVariantDataChar: public wxVariantData
 623 {
 624 DECLARE_DYNAMIC_CLASS(wxVariantDataChar)
 625 public:
 626     wxVariantDataChar() { m_value = 0; }
 627     wxVariantDataChar(char value) { m_value = value; }
 628
 629     inline char GetValue() const { return m_value; }
 630     inline void SetValue(char value) { m_value = value; }
 631
 632     virtual void Copy(wxVariantData& data);
 633     virtual bool Eq(wxVariantData& data) const;
 634 #if wxUSE_STD_IOSTREAM
 635     virtual bool Read(wxSTD istream& str);
 636     virtual bool Write(wxSTD ostream& str) const;
 637 #endif
 638     virtual bool Read(wxString& str);
 639     virtual bool Write(wxString& str) const;
 640 #if wxUSE_STREAMS
 641     virtual bool Read(wxInputStream& str);
 642     virtual bool Write(wxOutputStream& str) const;
 643 #endif // wxUSE_STREAMS
 644     virtual wxString GetType() const { return wxT("char"); };
 645
 646 protected:
 647     char m_value;
 648 };
 649
 650 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataChar, wxVariantData)
 651
 652 void wxVariantDataChar::Copy(wxVariantData& data)
 653 {
 654     wxASSERT_MSG( (data.GetType() == wxT("char")), wxT("wxVariantDataChar::Copy: Can't copy to this type of data") );
 655
 656     wxVariantDataChar& otherData = (wxVariantDataChar&) data;
 657
 658     otherData.m_value = m_value;
 659 }
 660
 661 bool wxVariantDataChar::Eq(wxVariantData& data) const
 662 {
 663     wxASSERT_MSG( (data.GetType() == wxT("char")), wxT("wxVariantDataChar::Eq: argument mismatch") );
 664
 665     wxVariantDataChar& otherData = (wxVariantDataChar&) data;
 666
 667     return (otherData.m_value == m_value);
 668 }
 669
 670 #if wxUSE_STD_IOSTREAM
 671 bool wxVariantDataChar::Write(wxSTD ostream& str) const
 672 {
 673     wxString s;
 674     Write(s);
 675     str << (const char*) s.mb_str();
 676     return true;
 677 }
 678 #endif
 679
 680 bool wxVariantDataChar::Write(wxString& str) const
 681 {
 682     str.Printf(wxT("%c"), m_value);
 683     return true;
 684 }
 685
 686 #if wxUSE_STD_IOSTREAM
 687 bool wxVariantDataChar::Read(wxSTD istream& WXUNUSED(str))
 688 {
 689     wxFAIL_MSG(wxT("Unimplemented"));
 690 //    str >> m_value;
 691     return false;
 692 }
 693 #endif
 694
 695 #if wxUSE_STREAMS
 696 bool wxVariantDataChar::Write(wxOutputStream& str) const
 697 {
 698     wxTextOutputStream s(str);
 699
 700     s.Write8(m_value);
 701     return true;
 702 }
 703
 704 bool wxVariantDataChar::Read(wxInputStream& str)
 705 {
 706     wxTextInputStream s(str);
 707
 708     m_value = s.Read8();
 709     return true;
 710 }
 711 #endif // wxUSE_STREAMS
 712
 713 bool wxVariantDataChar::Read(wxString& str)
 714 {
 715     m_value = str.ToAscii()[size_t(0)];
 716     return true;
 717 }
 718
 719 /*
 720  * wxVariantDataString
 721  */
 722
 723 class WXDLLIMPEXP_BASE wxVariantDataString: public wxVariantData
 724 {
 725 DECLARE_DYNAMIC_CLASS(wxVariantDataString)
 726 public:
 727     wxVariantDataString() { }
 728     wxVariantDataString(const wxString& value) { m_value = value; }
 729
 730     inline wxString GetValue() const { return m_value; }
 731     inline void SetValue(const wxString& value) { m_value = value; }
 732
 733     virtual void Copy(wxVariantData& data);
 734     virtual bool Eq(wxVariantData& data) const;
 735 #if wxUSE_STD_IOSTREAM
 736     virtual bool Write(wxSTD ostream& str) const;
 737 #endif
 738     virtual bool Read(wxString& str);
 739     virtual bool Write(wxString& str) const;
 740 #if wxUSE_STD_IOSTREAM
 741     virtual bool Read(wxSTD istream& str);
 742 #endif
 743 #if wxUSE_STREAMS
 744     virtual bool Read(wxInputStream& str);
 745     virtual bool Write(wxOutputStream& str) const;
 746 #endif // wxUSE_STREAMS
 747     virtual wxString GetType() const { return wxT("string"); };
 748
 749 protected:
 750     wxString m_value;
 751 };
 752
 753 void wxVariantDataString::Copy(wxVariantData& data)
 754 {
 755     wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Copy: Can't copy to this type of data") );
 756
 757     wxVariantDataString& otherData = (wxVariantDataString&) data;
 758
 759     otherData.m_value = m_value;
 760 }
 761
 762 bool wxVariantDataString::Eq(wxVariantData& data) const
 763 {
 764     wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Eq: argument mismatch") );
 765
 766     wxVariantDataString& otherData = (wxVariantDataString&) data;
 767
 768     return (otherData.m_value == m_value);
 769 }
 770
 771 #if wxUSE_STD_IOSTREAM
 772 bool wxVariantDataString::Write(wxSTD ostream& str) const
 773 {
 774     str << (const char*) m_value.mb_str();
 775     return true;
 776 }
 777 #endif
 778
 779 bool wxVariantDataString::Write(wxString& str) const
 780 {
 781     str = m_value;
 782     return true;
 783 }
 784
 785 #if wxUSE_STD_IOSTREAM
 786 bool wxVariantDataString::Read(wxSTD istream& str)
 787 {
 788     str >> m_value;
 789     return true;
 790 }
 791 #endif
 792
 793 #if wxUSE_STREAMS
 794 bool wxVariantDataString::Write(wxOutputStream& str) const
 795 {
 796   // why doesn't wxOutputStream::operator<< take "const wxString&"
 797     wxTextOutputStream s(str);
 798     s.WriteString(m_value);
 799     return true;
 800 }
 801
 802 bool wxVariantDataString::Read(wxInputStream& str)
 803 {
 804     wxTextInputStream s(str);
 805
 806     m_value = s.ReadLine();
 807     return true;
 808 }
 809 #endif // wxUSE_STREAMS
 810
 811 bool wxVariantDataString::Read(wxString& str)
 812 {
 813     m_value = str;
 814     return true;
 815 }
 816
 817 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataString, wxVariantData)
 818
 819 /*
 820  * wxVariantDataVoidPtr
 821  */
 822
 823 class wxVariantDataVoidPtr: public wxVariantData
 824 {
 825 DECLARE_DYNAMIC_CLASS(wxVariantDataVoidPtr)
 826 public:
 827     wxVariantDataVoidPtr() { }
 828     wxVariantDataVoidPtr(void* value) { m_value = value; }
 829
 830     inline void* GetValue() const { return m_value; }
 831     inline void SetValue(void* value) { m_value = value; }
 832
 833     virtual void Copy(wxVariantData& data);
 834     virtual bool Eq(wxVariantData& data) const;
 835 #if wxUSE_STD_IOSTREAM
 836     virtual bool Write(wxSTD ostream& str) const;
 837 #endif
 838     virtual bool Write(wxString& str) const;
 839 #if wxUSE_STD_IOSTREAM
 840     virtual bool Read(wxSTD istream& str);
 841 #endif
 842     virtual bool Read(wxString& str);
 843     virtual wxString GetType() const { return wxT("void*"); };
 844     virtual wxVariantData* Clone() { return new wxVariantDataVoidPtr; }
 845
 846 protected:
 847     void* m_value;
 848
 849     DECLARE_NO_COPY_CLASS(wxVariantDataVoidPtr)
 850 };
 851
 852 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataVoidPtr, wxVariantData)
 853
 854 void wxVariantDataVoidPtr::Copy(wxVariantData& data)
 855 {
 856     wxASSERT_MSG( (data.GetType() == wxT("void*")), wxT("wxVariantDataVoidPtr::Copy: Can't copy to this type of data") );
 857
 858     wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
 859
 860     otherData.m_value = m_value;
 861 }
 862
 863 bool wxVariantDataVoidPtr::Eq(wxVariantData& data) const
 864 {
 865     wxASSERT_MSG( (data.GetType() == wxT("void*")), wxT("wxVariantDataVoidPtr::Eq: argument mismatch") );
 866
 867     wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
 868
 869     return (otherData.m_value == m_value);
 870 }
 871
 872 #if wxUSE_STD_IOSTREAM
 873 bool wxVariantDataVoidPtr::Write(wxSTD ostream& str) const
 874 {
 875     wxString s;
 876     Write(s);
 877     str << (const char*) s.mb_str();
 878     return true;
 879 }
 880 #endif
 881
 882 bool wxVariantDataVoidPtr::Write(wxString& str) const
 883 {
 884     str.Printf(wxT("%p"), m_value);
 885     return true;
 886 }
 887
 888 #if wxUSE_STD_IOSTREAM
 889 bool wxVariantDataVoidPtr::Read(wxSTD istream& WXUNUSED(str))
 890 {
 891     // Not implemented
 892     return false;
 893 }
 894 #endif
 895
 896 bool wxVariantDataVoidPtr::Read(wxString& WXUNUSED(str))
 897 {
 898     // Not implemented
 899     return false;
 900 }
 901
 902 /*
 903  * wxVariantDataWxObjectPtr
 904  */
 905
 906 class wxVariantDataWxObjectPtr: public wxVariantData
 907 {
 908 DECLARE_DYNAMIC_CLASS(wxVariantDataWxObjectPtr)
 909 public:
 910     wxVariantDataWxObjectPtr() { }
 911     wxVariantDataWxObjectPtr(wxObject* value) { m_value = value; }
 912
 913     inline wxObject* GetValue() const { return m_value; }
 914     inline void SetValue(wxObject* value) { m_value = value; }
 915
 916     virtual void Copy(wxVariantData& data);
 917     virtual bool Eq(wxVariantData& data) const;
 918 #if wxUSE_STD_IOSTREAM
 919     virtual bool Write(wxSTD ostream& str) const;
 920 #endif
 921     virtual bool Write(wxString& str) const;
 922 #if wxUSE_STD_IOSTREAM
 923     virtual bool Read(wxSTD istream& str);
 924 #endif
 925     virtual bool Read(wxString& str);
 926     virtual wxString GetType() const ;
 927     virtual wxVariantData* Clone() { return new wxVariantDataWxObjectPtr; }
 928
 929     virtual wxClassInfo* GetValueClassInfo() ;
 930 protected:
 931     wxObject* m_value;
 932
 933     DECLARE_NO_COPY_CLASS(wxVariantDataWxObjectPtr)
 934 };
 935
 936 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataWxObjectPtr, wxVariantData)
 937
 938 void wxVariantDataWxObjectPtr::Copy(wxVariantData& data)
 939 {
 940     wxASSERT_MSG(  wxIsKindOf((&data), wxVariantDataWxObjectPtr) ,\
 941                    wxT("wxVariantDataWxObjectPtr::Copy: Can't copy to this type of data") \
 942                  );
 943
 944     wxVariantDataWxObjectPtr& otherData = (wxVariantDataWxObjectPtr&) data;
 945
 946     otherData.m_value = m_value;
 947 }
 948
 949 bool wxVariantDataWxObjectPtr::Eq(wxVariantData& data) const
 950 {
 951     wxASSERT_MSG(   wxIsKindOf((&data), wxVariantDataWxObjectPtr), wxT("wxVariantDataWxObjectPtr::Eq: argument mismatch") );
 952
 953     wxVariantDataWxObjectPtr& otherData = (wxVariantDataWxObjectPtr&) data;
 954
 955     return (otherData.m_value == m_value);
 956 }
 957
 958 wxString wxVariantDataWxObjectPtr::GetType() const
 959 {
 960     wxString returnVal(wxT("wxObject"));
 961     if (m_value) {
 962         returnVal = m_value->GetClassInfo()->GetClassName();
 963     }
 964     return returnVal;
 965 }
 966
 967 wxClassInfo* wxVariantDataWxObjectPtr::GetValueClassInfo()
 968 {
 969     wxClassInfo* returnVal=NULL;
 970
 971     if (m_value) returnVal = m_value->GetClassInfo();
 972
 973     return returnVal;
 974 }
 975
 976 #if wxUSE_STD_IOSTREAM
 977 bool wxVariantDataWxObjectPtr::Write(wxSTD ostream& str) const
 978 {
 979     wxString s;
 980     Write(s);
 981     str << (const char*) s.mb_str();
 982     return true;
 983 }
 984 #endif
 985
 986 bool wxVariantDataWxObjectPtr::Write(wxString& str) const
 987 {
 988     str.Printf(wxT("%s(%p)"), GetType().c_str(), wx_static_cast(void*, m_value));
 989     return true;
 990 }
 991
 992 #if wxUSE_STD_IOSTREAM
 993 bool wxVariantDataWxObjectPtr::Read(wxSTD istream& WXUNUSED(str))
 994 {
 995     // Not implemented
 996     return false;
 997 }
 998 #endif
 999
1000 bool wxVariantDataWxObjectPtr::Read(wxString& WXUNUSED(str))
1001 {
1002     // Not implemented
1003     return false;
1004 }
1005
1006
1007 /*
1008  * wxVariantDataDateTime
1009  */
1010
1011 #if wxUSE_DATETIME
1012
1013 class wxVariantDataDateTime: public wxVariantData
1014 {
1015     DECLARE_DYNAMIC_CLASS(wxVariantDataDateTime)
1016
1017 public:
1018     wxVariantDataDateTime() { }
1019     wxVariantDataDateTime(const wxDateTime& value) { m_value = value; }
1020 #if wxUSE_ODBC
1021     wxVariantDataDateTime(const TIME_STRUCT* valptr)
1022         { m_value = wxDateTime(valptr->hour, valptr->minute, valptr->second); }
1023     wxVariantDataDateTime(const DATE_STRUCT* valptr)
1024         { m_value = wxDateTime(valptr->day, (wxDateTime::Month) (valptr->month - 1),valptr->year); }
1025     wxVariantDataDateTime(const TIMESTAMP_STRUCT* valptr)
1026         { m_value = wxDateTime(valptr->day, (wxDateTime::Month) (valptr->month - 1), valptr->year,
1027                         valptr->hour, valptr->minute, valptr->second, (wxDateTime::wxDateTime_t)valptr->fraction ); }
1028 #endif //ODBC
1029
1030     inline wxDateTime GetValue() const { return m_value; }
1031     inline void SetValue(const wxDateTime& value) { m_value = value; }
1032
1033     virtual void Copy(wxVariantData& data);
1034     virtual bool Eq(wxVariantData& data) const;
1035 #if wxUSE_STD_IOSTREAM
1036     virtual bool Write(wxSTD ostream& str) const;
1037 #endif
1038     virtual bool Write(wxString& str) const;
1039 #if wxUSE_STD_IOSTREAM
1040     virtual bool Read(wxSTD istream& str);
1041 #endif
1042     virtual bool Read(wxString& str);
1043     virtual wxString GetType() const { return wxT("datetime"); };
1044     virtual wxVariantData* Clone() { return new wxVariantDataDateTime; }
1045
1046 protected:
1047     wxDateTime m_value;
1048 };
1049
1050
1051 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataDateTime, wxVariantData)
1052
1053 void wxVariantDataDateTime::Copy(wxVariantData& data)
1054 {
1055     wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Copy: Can't copy to this type of data") );
1056
1057     wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
1058
1059     otherData.m_value = m_value;
1060 }
1061
1062
1063 bool wxVariantDataDateTime::Eq(wxVariantData& data) const
1064 {
1065     wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Eq: argument mismatch") );
1066
1067     wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
1068
1069     return (otherData.m_value == m_value);
1070 }
1071
1072
1073 #if wxUSE_STD_IOSTREAM
1074 bool wxVariantDataDateTime::Write(wxSTD ostream& WXUNUSED(str)) const
1075 {
1076     // Not implemented
1077     return false;
1078 }
1079 #endif
1080
1081
1082 bool wxVariantDataDateTime::Write(wxString& str) const
1083 {
1084     str = m_value.Format();
1085     return true;
1086 }
1087
1088
1089 #if wxUSE_STD_IOSTREAM
1090 bool wxVariantDataDateTime::Read(wxSTD istream& WXUNUSED(str))
1091 {
1092     // Not implemented
1093     return false;
1094 }
1095 #endif
1096
1097
1098 bool wxVariantDataDateTime::Read(wxString& str)
1099 {
1100     if(! m_value.ParseDateTime(str))
1101         return false;
1102     return true;
1103 }
1104
1105 #endif // wxUSE_DATETIME
1106
1107 // ----------------------------------------------------------------------------
1108 // wxVariantDataArrayString
1109 // ----------------------------------------------------------------------------
1110
1111 class wxVariantDataArrayString: public wxVariantData
1112 {
1113 public:
1114     wxVariantDataArrayString() { }
1115     wxVariantDataArrayString(const wxArrayString& value) { m_value = value; }
1116
1117     wxArrayString GetValue() const { return m_value; }
1118     void SetValue(const wxArrayString& value) { m_value = value; }
1119
1120     virtual void Copy(wxVariantData& data);
1121     virtual bool Eq(wxVariantData& data) const;
1122 #if wxUSE_STD_IOSTREAM
1123     virtual bool Write(wxSTD ostream& str) const;
1124 #endif
1125     virtual bool Write(wxString& str) const;
1126 #if wxUSE_STD_IOSTREAM
1127     virtual bool Read(wxSTD istream& str);
1128 #endif
1129     virtual bool Read(wxString& str);
1130     virtual wxString GetType() const { return wxT("arrstring"); };
1131     virtual wxVariantData* Clone() { return new wxVariantDataArrayString; }
1132
1133 protected:
1134     wxArrayString m_value;
1135
1136     DECLARE_DYNAMIC_CLASS(wxVariantDataArrayString)
1137 };
1138
1139 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataArrayString, wxVariantData)
1140
1141 void wxVariantDataArrayString::Copy(wxVariantData& data)
1142 {
1143     wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Copy: Can't copy to this type of data") );
1144
1145     wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;
1146
1147     otherData.m_value = m_value;
1148 }
1149
1150
1151 bool wxVariantDataArrayString::Eq(wxVariantData& data) const
1152 {
1153     wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Eq: argument mismatch") );
1154
1155     wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;
1156
1157     return otherData.m_value == m_value;
1158 }
1159
1160
1161 #if wxUSE_STD_IOSTREAM
1162 bool wxVariantDataArrayString::Write(wxSTD ostream& WXUNUSED(str)) const
1163 {
1164     // Not implemented
1165     return false;
1166 }
1167 #endif
1168
1169
1170 bool wxVariantDataArrayString::Write(wxString& str) const
1171 {
1172     size_t count = m_value.GetCount();
1173     for ( size_t n = 0; n < count; n++ )
1174     {
1175         if ( n )
1176             str += _T(';');
1177
1178         str += m_value[n];
1179     }
1180
1181     return true;
1182 }
1183
1184
1185 #if wxUSE_STD_IOSTREAM
1186 bool wxVariantDataArrayString::Read(wxSTD istream& WXUNUSED(str))
1187 {
1188     // Not implemented
1189     return false;
1190 }
1191 #endif
1192
1193
1194 bool wxVariantDataArrayString::Read(wxString& str)
1195 {
1196     wxStringTokenizer tk(str, _T(";"));
1197     while ( tk.HasMoreTokens() )
1198     {
1199         m_value.Add(tk.GetNextToken());
1200     }
1201
1202     return true;
1203 }
1204
1205
1206
1207 /*
1208  * wxVariant
1209  */
1210
1211 IMPLEMENT_DYNAMIC_CLASS(wxVariant, wxObject)
1212
1213 // Construction & destruction
1214 wxVariant::wxVariant()
1215 {
1216     m_data = (wxVariantData*) NULL;
1217 }
1218
1219 wxVariant::wxVariant(double val, const wxString& name)
1220 {
1221     m_data = new wxVariantDataReal(val);
1222     m_name = name;
1223 }
1224
1225 wxVariant::wxVariant(long val, const wxString& name)
1226 {
1227     m_data = new wxVariantDataLong(val);
1228     m_name = name;
1229 }
1230
1231 #ifdef HAVE_BOOL
1232 wxVariant::wxVariant(bool val, const wxString& name)
1233 {
1234     m_data = new wxVariantDataBool(val);
1235     m_name = name;
1236 }
1237 #endif
1238
1239 wxVariant::wxVariant(char val, const wxString& name)
1240 {
1241     m_data = new wxVariantDataChar(val);
1242     m_name = name;
1243 }
1244
1245 wxVariant::wxVariant(const wxString& val, const wxString& name)
1246 {
1247     m_data = new wxVariantDataString(val);
1248     m_name = name;
1249 }
1250
1251 wxVariant::wxVariant(const wxChar* val, const wxString& name)
1252 {
1253     m_data = new wxVariantDataString(wxString(val));
1254     m_name = name;
1255 }
1256
1257 #if WXWIN_COMPATIBILITY_2_4
1258
1259 wxVariant::wxVariant(const wxStringList& val, const wxString& name)
1260 {
1261     m_data = new wxVariantDataStringList(val);
1262     m_name = name;
1263 }
1264
1265 #endif
1266
1267 wxVariant::wxVariant(const wxList& val, const wxString& name) // List of variants
1268 {
1269     m_data = new wxVariantDataList(val);
1270     m_name = name;
1271 }
1272
1273 wxVariant::wxVariant( void* val, const wxString& name)
1274 {
1275     m_data = new wxVariantDataVoidPtr(val);
1276     m_name = name;
1277 }
1278
1279 wxVariant::wxVariant( wxObject* val, const wxString& name)
1280 {
1281     m_data = new wxVariantDataWxObjectPtr(val);
1282     m_name = name;
1283 }
1284
1285 #if wxUSE_DATETIME
1286 wxVariant::wxVariant(const wxDateTime& val, const wxString& name) // Date
1287 {
1288     m_data = new wxVariantDataDateTime(val);
1289     m_name = name;
1290 }
1291 #endif // wxUSE_DATETIME
1292
1293 #if wxUSE_ODBC
1294 wxVariant::wxVariant(const TIME_STRUCT* valptr, const wxString& name) // Date
1295 {
1296     m_data = new wxVariantDataDateTime(valptr);
1297     m_name = name;
1298 }
1299
1300 wxVariant::wxVariant(const TIMESTAMP_STRUCT* valptr, const wxString& name) // Date
1301 {
1302     m_data = new wxVariantDataDateTime(valptr);
1303     m_name = name;
1304 }
1305
1306 wxVariant::wxVariant(const DATE_STRUCT* valptr, const wxString& name) // Date
1307 {
1308     m_data = new wxVariantDataDateTime(valptr);
1309     m_name = name;
1310 }
1311 #endif // wxUSE_ODBC
1312
1313 wxVariant::wxVariant(const wxArrayString& val, const wxString& name) // Strings
1314 {
1315     m_data = new wxVariantDataArrayString(val);
1316     m_name = name;
1317 }
1318
1319 wxVariant::wxVariant(const wxVariant& variant)
1320     : wxObject()
1321 {
1322     if (!variant.IsNull())
1323     {
1324         m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
1325         variant.m_data->Copy(*m_data);
1326     }
1327     else
1328         m_data = (wxVariantData*) NULL;
1329     m_name = variant.m_name;
1330 }
1331
1332 wxVariant::wxVariant(wxVariantData* data, const wxString& name) // User-defined data
1333 {
1334     m_data = data;
1335     m_name = name;
1336 }
1337
1338 wxVariant::~wxVariant()
1339 {
1340     delete m_data;
1341 }
1342
1343
1344 // Make NULL (i.e. delete the data)
1345 void wxVariant::MakeNull()
1346 {
1347     delete m_data;
1348     m_data = NULL;
1349 }
1350
1351 // Generic operators
1352 // Assignment
1353 void wxVariant::operator= (const wxVariant& variant)
1354 {
1355     if (variant.IsNull())
1356     {
1357         MakeNull();
1358         return;
1359     }
1360
1361     if (IsNull() || (GetType() != variant.GetType()))
1362     {
1363         if (m_data)
1364             delete m_data;
1365         m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
1366     }
1367
1368     variant.GetData()->Copy(* GetData());
1369
1370     m_name = variant.m_name;
1371 }
1372
1373 // Assignment using data, e.g.
1374 // myVariant = new wxStringVariantData("hello")
1375 void wxVariant::operator= (wxVariantData* variantData)
1376 {
1377     MakeNull();
1378     m_data = variantData;
1379 }
1380
1381 bool wxVariant::operator== (const wxVariant& variant) const
1382 {
1383     if (IsNull() || variant.IsNull())
1384         return (IsNull() == variant.IsNull());
1385
1386     return (GetData()->Eq(* variant.GetData()));
1387 }
1388
1389 bool wxVariant::operator!= (const wxVariant& variant) const
1390 {
1391     return (!(*this == variant));
1392 }
1393
1394
1395 // Specific operators
1396 bool wxVariant::operator== (double value) const
1397 {
1398     double thisValue;
1399     if (!Convert(&thisValue))
1400         return false;
1401
1402     return wxIsSameDouble(value, thisValue);
1403 }
1404
1405 bool wxVariant::operator!= (double value) const
1406 {
1407     return (!((*this) == value));
1408 }
1409
1410 void wxVariant::operator= (double value)
1411 {
1412     if (GetType() == wxT("double"))
1413     {
1414         ((wxVariantDataReal*)GetData())->SetValue(value);
1415     }
1416     else
1417     {
1418         if (m_data)
1419             delete m_data;
1420         m_data = new wxVariantDataReal(value);
1421     }
1422 }
1423
1424 bool wxVariant::operator== (long value) const
1425 {
1426     long thisValue;
1427     if (!Convert(&thisValue))
1428         return false;
1429     else
1430         return (value == thisValue);
1431 }
1432
1433 bool wxVariant::operator!= (long value) const
1434 {
1435     return (!((*this) == value));
1436 }
1437
1438 void wxVariant::operator= (long value)
1439 {
1440     if (GetType() == wxT("long"))
1441     {
1442         ((wxVariantDataLong*)GetData())->SetValue(value);
1443     }
1444     else
1445     {
1446         if (m_data)
1447             delete m_data;
1448         m_data = new wxVariantDataLong(value);
1449     }
1450 }
1451
1452 bool wxVariant::operator== (char value) const
1453 {
1454     char thisValue;
1455     if (!Convert(&thisValue))
1456         return false;
1457     else
1458         return (value == thisValue);
1459 }
1460
1461 bool wxVariant::operator!= (char value) const
1462 {
1463     return (!((*this) == value));
1464 }
1465
1466 void wxVariant::operator= (char value)
1467 {
1468     if (GetType() == wxT("char"))
1469     {
1470         ((wxVariantDataChar*)GetData())->SetValue(value);
1471     }
1472     else
1473     {
1474         if (m_data)
1475             delete m_data;
1476         m_data = new wxVariantDataChar(value);
1477     }
1478 }
1479
1480 #ifdef HAVE_BOOL
1481 bool wxVariant::operator== (bool value) const
1482 {
1483     bool thisValue;
1484     if (!Convert(&thisValue))
1485         return false;
1486     else
1487         return (value == thisValue);
1488 }
1489
1490 bool wxVariant::operator!= (bool value) const
1491 {
1492     return (!((*this) == value));
1493 }
1494
1495 void wxVariant::operator= (bool value)
1496 {
1497     if (GetType() == wxT("bool"))
1498     {
1499         ((wxVariantDataBool*)GetData())->SetValue(value);
1500     }
1501     else
1502     {
1503         if (m_data)
1504             delete m_data;
1505         m_data = new wxVariantDataBool(value);
1506     }
1507 }
1508 #endif // HAVE_BOOL
1509
1510 bool wxVariant::operator== (const wxString& value) const
1511 {
1512     wxString thisValue;
1513     if (!Convert(&thisValue))
1514         return false;
1515
1516     return value == thisValue;
1517 }
1518
1519 bool wxVariant::operator!= (const wxString& value) const
1520 {
1521     return (!((*this) == value));
1522 }
1523
1524 void wxVariant::operator= (const wxString& value)
1525 {
1526     if (GetType() == wxT("string"))
1527     {
1528         ((wxVariantDataString*)GetData())->SetValue(value);
1529     }
1530     else
1531     {
1532         if (m_data)
1533             delete m_data;
1534         m_data = new wxVariantDataString(value);
1535     }
1536 }
1537
1538 void wxVariant::operator= (const wxChar* value)
1539 {
1540     if (GetType() == wxT("string"))
1541     {
1542         ((wxVariantDataString*)GetData())->SetValue(wxString(value));
1543     }
1544     else
1545     {
1546         if (m_data)
1547             delete m_data;
1548         m_data = new wxVariantDataString(wxString(value));
1549     }
1550 }
1551
1552 #if WXWIN_COMPATIBILITY_2_4
1553
1554 bool wxVariant::operator== (const wxStringList& value) const
1555 {
1556     wxASSERT_MSG( (GetType() == wxT("stringlist")), wxT("Invalid type for == operator") );
1557
1558     wxVariantDataStringList other(value);
1559     return (m_data->Eq(other));
1560 }
1561
1562 bool wxVariant::operator!= (const wxStringList& value) const
1563 {
1564     wxASSERT_MSG( (GetType() == wxT("stringlist")), wxT("Invalid type for == operator") );
1565
1566     wxVariantDataStringList other(value);
1567     return !(m_data->Eq(other));
1568 }
1569
1570 void wxVariant::operator= (const wxStringList& value)
1571 {
1572     if (GetType() == wxT("stringlist"))
1573     {
1574         ((wxVariantDataStringList*)GetData())->SetValue(value);
1575     }
1576     else
1577     {
1578         if (m_data)
1579             delete m_data;
1580         m_data = new wxVariantDataStringList(value);
1581     }
1582 }
1583
1584 #endif
1585
1586 bool wxVariant::operator== (const wxList& value) const
1587 {
1588     wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for == operator") );
1589
1590     wxVariantDataList other(value);
1591     return (m_data->Eq(other));
1592 }
1593
1594 bool wxVariant::operator!= (const wxList& value) const
1595 {
1596     return (!((*this) == value));
1597 }
1598
1599 void wxVariant::operator= (const wxList& value)
1600 {
1601     if (GetType() == wxT("list"))
1602     {
1603         ((wxVariantDataList*)GetData())->SetValue(value);
1604     }
1605     else
1606     {
1607         if (m_data)
1608             delete m_data;
1609         m_data = new wxVariantDataList(value);
1610     }
1611 }
1612
1613 bool wxVariant::operator== (void* value) const
1614 {
1615     return (value == ((wxVariantDataVoidPtr*)GetData())->GetValue());
1616 }
1617
1618 bool wxVariant::operator!= (void* value) const
1619 {
1620     return (!((*this) == (void*) value));
1621 }
1622
1623 void wxVariant::operator= (void* value)
1624 {
1625     if (GetType() == wxT("void*"))
1626     {
1627         ((wxVariantDataVoidPtr*)GetData())->SetValue(value);
1628     }
1629     else
1630     {
1631         if (m_data)
1632             delete m_data;
1633         m_data = new wxVariantDataVoidPtr(value);
1634     }
1635 }
1636
1637 #if wxUSE_DATETIME
1638 bool wxVariant::operator== (const wxDateTime& value) const
1639 {
1640     wxDateTime thisValue;
1641     if (!Convert(&thisValue))
1642         return false;
1643
1644     return value.IsEqualTo(thisValue);
1645 }
1646
1647 bool wxVariant::operator!= (const wxDateTime& value) const
1648 {
1649     return (!((*this) == value));
1650 }
1651
1652 void wxVariant::operator= (const wxDateTime& value)
1653 {
1654     if (GetType() == wxT("datetime"))
1655     {
1656         ((wxVariantDataDateTime*)GetData())->SetValue(value);
1657     }
1658     else
1659     {
1660         if (m_data)
1661             delete m_data;
1662         m_data = new wxVariantDataDateTime(value);
1663     }
1664 }
1665 #endif // wxUSE_DATETIME
1666
1667 #if wxUSE_ODBC
1668 void wxVariant::operator= (const DATE_STRUCT* value)
1669 {
1670     if (m_data)
1671         delete m_data;
1672     m_data = new wxVariantDataDateTime(value);
1673 }
1674
1675
1676 void wxVariant::operator= (const TIME_STRUCT* value)
1677 {
1678     if (m_data)
1679         delete m_data;
1680     m_data = new wxVariantDataDateTime(value);
1681 }
1682
1683
1684 void wxVariant::operator= (const TIMESTAMP_STRUCT* value)
1685 {
1686     if (m_data)
1687         delete m_data;
1688     m_data = new wxVariantDataDateTime(value);
1689 }
1690
1691 #endif // wxUSE_ODBC
1692
1693 bool wxVariant::operator==(const wxArrayString& WXUNUSED(value)) const
1694 {
1695     wxFAIL_MSG( _T("TODO") );
1696
1697     return false;
1698 }
1699
1700 bool wxVariant::operator!=(const wxArrayString& value) const
1701 {
1702     return !(*this == value);
1703 }
1704
1705 void wxVariant::operator=(const wxArrayString& value)
1706 {
1707     if (GetType() == wxT("arrstring"))
1708     {
1709         ((wxVariantDataArrayString *)GetData())->SetValue(value);
1710     }
1711     else
1712     {
1713         delete m_data;
1714         m_data = new wxVariantDataArrayString(value);
1715     }
1716 }
1717
1718 wxArrayString wxVariant::GetArrayString() const
1719 {
1720     if ( GetType() == wxT("arrstring") )
1721         return ((wxVariantDataArrayString *)GetData())->GetValue();
1722
1723     return wxArrayString();
1724 }
1725
1726
1727 // Treat a list variant as an array
1728 wxVariant wxVariant::operator[] (size_t idx) const
1729 {
1730 #if WXWIN_COMPATIBILITY_2_4
1731     wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for array operator") );
1732 #else
1733     wxASSERT_MSG( GetType() == wxT("list"), wxT("Invalid type for array operator") );
1734 #endif
1735
1736     if (GetType() == wxT("list"))
1737     {
1738         wxVariantDataList* data = (wxVariantDataList*) m_data;
1739         wxASSERT_MSG( (idx < data->GetValue().GetCount()), wxT("Invalid index for array") );
1740         return * (wxVariant*) (data->GetValue().Item(idx)->GetData());
1741     }
1742 #if WXWIN_COMPATIBILITY_2_4
1743     else if (GetType() == wxT("stringlist"))
1744     {
1745         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1746         wxASSERT_MSG( (idx < data->GetValue().GetCount()), wxT("Invalid index for array") );
1747
1748         wxString str( (const wxChar*) (data->GetValue().Item(idx)->GetData()) );
1749         wxVariant variant( str );
1750         return variant;
1751     }
1752 #endif
1753     return wxNullVariant;
1754 }
1755
1756 wxVariant& wxVariant::operator[] (size_t idx)
1757 {
1758     // We can't return a reference to a variant for a string list, since the string
1759     // is actually stored as a char*, not a variant.
1760
1761     wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for array operator") );
1762
1763     wxVariantDataList* data = (wxVariantDataList*) m_data;
1764     wxASSERT_MSG( (idx < data->GetValue().GetCount()), wxT("Invalid index for array") );
1765
1766     return * (wxVariant*) (data->GetValue().Item(idx)->GetData());
1767 }
1768
1769 // Return the number of elements in a list
1770 size_t wxVariant::GetCount() const
1771 {
1772 #if WXWIN_COMPATIBILITY_2_4
1773     wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for GetCount()") );
1774 #else
1775     wxASSERT_MSG( GetType() == wxT("list"), wxT("Invalid type for GetCount()") );
1776 #endif
1777
1778     if (GetType() == wxT("list"))
1779     {
1780         wxVariantDataList* data = (wxVariantDataList*) m_data;
1781         return data->GetValue().GetCount();
1782     }
1783 #if WXWIN_COMPATIBILITY_2_4
1784     else if (GetType() == wxT("stringlist"))
1785     {
1786         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1787         return data->GetValue().GetCount();
1788     }
1789 #endif
1790     return 0;
1791 }
1792
1793 wxString wxVariant::MakeString() const
1794 {
1795     if (!IsNull())
1796     {
1797         wxString str;
1798         if (GetData()->Write(str))
1799             return str;
1800     }
1801     return wxEmptyString;
1802 }
1803
1804 // Accessors
1805
1806 void wxVariant::SetData(wxVariantData* data)
1807 {
1808     if (m_data) delete m_data;
1809     m_data = data;
1810 }
1811
1812
1813 // Returns a string representing the type of the variant,
1814 // e.g. "string", "bool", "list", "double", "long"
1815 wxString wxVariant::GetType() const
1816 {
1817     if (IsNull())
1818         return wxString(wxT("null"));
1819     else
1820         return m_data->GetType();
1821 }
1822
1823
1824 bool wxVariant::IsType(const wxString& type) const
1825 {
1826     return (GetType() == type);
1827 }
1828
1829 bool wxVariant::IsValueKindOf(const wxClassInfo* type) const
1830 {
1831     wxClassInfo* info=m_data->GetValueClassInfo();
1832     return info ? info->IsKindOf(type) : false ;
1833 }
1834
1835
1836 // Value accessors
1837 double wxVariant::GetReal() const
1838 {
1839     double value;
1840     if (Convert(& value))
1841         return value;
1842     else
1843     {
1844         wxFAIL_MSG(wxT("Could not convert to a real number"));
1845         return 0.0;
1846     }
1847 }
1848
1849 long wxVariant::GetInteger() const
1850 {
1851     long value;
1852     if (Convert(& value))
1853         return value;
1854     else
1855     {
1856         wxFAIL_MSG(wxT("Could not convert to an integer"));
1857         return 0;
1858     }
1859 }
1860
1861 char wxVariant::GetChar() const
1862 {
1863     char value;
1864     if (Convert(& value))
1865         return value;
1866     else
1867     {
1868         wxFAIL_MSG(wxT("Could not convert to a char"));
1869         return 0;
1870     }
1871 }
1872
1873 bool wxVariant::GetBool() const
1874 {
1875     bool value;
1876     if (Convert(& value))
1877         return value;
1878     else
1879     {
1880         wxFAIL_MSG(wxT("Could not convert to a bool"));
1881         return 0;
1882     }
1883 }
1884
1885 wxString wxVariant::GetString() const
1886 {
1887     wxString value;
1888     if (!Convert(& value))
1889     {
1890         wxFAIL_MSG(wxT("Could not convert to a string"));
1891     }
1892
1893     return value;
1894 }
1895
1896 void* wxVariant::GetVoidPtr() const
1897 {
1898     wxASSERT( (GetType() == wxT("void*")) );
1899
1900     return (void*) ((wxVariantDataVoidPtr*) m_data)->GetValue();
1901 }
1902
1903 wxObject* wxVariant::GetWxObjectPtr()
1904 {
1905     wxASSERT(wxIsKindOf(m_data, wxVariantDataWxObjectPtr));
1906     return (wxObject*) ((wxVariantDataWxObjectPtr*) m_data)->GetValue();
1907 }
1908
1909 #if wxUSE_DATETIME
1910 wxDateTime wxVariant::GetDateTime() const
1911 {
1912     wxDateTime value;
1913     if (!Convert(& value))
1914     {
1915         wxFAIL_MSG(wxT("Could not convert to a datetime"));
1916     }
1917
1918     return value;
1919 }
1920 #endif // wxUSE_DATETIME
1921
1922 wxList& wxVariant::GetList() const
1923 {
1924     wxASSERT( (GetType() == wxT("list")) );
1925
1926     return (wxList&) ((wxVariantDataList*) m_data)->GetValue();
1927 }
1928
1929 #if WXWIN_COMPATIBILITY_2_4
1930
1931 wxStringList& wxVariant::GetStringList() const
1932 {
1933     wxASSERT( (GetType() == wxT("stringlist")) );
1934
1935     return (wxStringList&) ((wxVariantDataStringList*) m_data)->GetValue();
1936 }
1937
1938 #endif
1939
1940 // Make empty list
1941 void wxVariant::NullList()
1942 {
1943     SetData(new wxVariantDataList());
1944 }
1945
1946 // Append to list
1947 void wxVariant::Append(const wxVariant& value)
1948 {
1949     wxList& list = GetList();
1950
1951     list.Append(new wxVariant(value));
1952 }
1953
1954 // Insert at front of list
1955 void wxVariant::Insert(const wxVariant& value)
1956 {
1957     wxList& list = GetList();
1958
1959     list.Insert(new wxVariant(value));
1960 }
1961
1962 // Returns true if the variant is a member of the list
1963 bool wxVariant::Member(const wxVariant& value) const
1964 {
1965     wxList& list = GetList();
1966
1967     wxList::compatibility_iterator node = list.GetFirst();
1968     while (node)
1969     {
1970         wxVariant* other = (wxVariant*) node->GetData();
1971         if (value == *other)
1972             return true;
1973         node = node->GetNext();
1974     }
1975     return false;
1976 }
1977
1978 // Deletes the nth element of the list
1979 bool wxVariant::Delete(size_t item)
1980 {
1981     wxList& list = GetList();
1982
1983     wxASSERT_MSG( (item < list.GetCount()), wxT("Invalid index to Delete") );
1984     wxList::compatibility_iterator node = list.Item(item);
1985     wxVariant* variant = (wxVariant*) node->GetData();
1986     delete variant;
1987     list.Erase(node);
1988     return true;
1989 }
1990
1991 // Clear list
1992 void wxVariant::ClearList()
1993 {
1994     if (!IsNull() && (GetType() == wxT("list")))
1995     {
1996         ((wxVariantDataList*) m_data)->Clear();
1997     }
1998     else
1999     {
2000         if (!GetType().IsSameAs(wxT("list")))
2001         {
2002             delete m_data;
2003             m_data = NULL;
2004         }
2005         m_data = new wxVariantDataList;
2006     }
2007 }
2008
2009 // Type conversion
2010 bool wxVariant::Convert(long* value) const
2011 {
2012     wxString type(GetType());
2013     if (type == wxT("double"))
2014         *value = (long) (((wxVariantDataReal*)GetData())->GetValue());
2015     else if (type == wxT("long"))
2016         *value = ((wxVariantDataLong*)GetData())->GetValue();
2017 #ifdef HAVE_BOOL
2018     else if (type == wxT("bool"))
2019         *value = (long) (((wxVariantDataBool*)GetData())->GetValue());
2020 #endif
2021     else if (type == wxT("string"))
2022         *value = wxAtol((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
2023     else
2024         return false;
2025
2026     return true;
2027 }
2028
2029 bool wxVariant::Convert(bool* value) const
2030 {
2031     wxString type(GetType());
2032     if (type == wxT("double"))
2033         *value = ((int) (((wxVariantDataReal*)GetData())->GetValue()) != 0);
2034     else if (type == wxT("long"))
2035         *value = (((wxVariantDataLong*)GetData())->GetValue() != 0);
2036 #ifdef HAVE_BOOL
2037     else if (type == wxT("bool"))
2038         *value = ((wxVariantDataBool*)GetData())->GetValue();
2039 #endif
2040     else if (type == wxT("string"))
2041     {
2042         wxString val(((wxVariantDataString*)GetData())->GetValue());
2043         val.MakeLower();
2044         if (val == wxT("true") || val == wxT("yes") || val == wxT('1') )
2045             *value = true;
2046         else if (val == wxT("false") || val == wxT("no") || val == wxT('0') )
2047             *value = false;
2048         else
2049             return false;
2050     }
2051     else
2052         return false;
2053
2054     return true;
2055 }
2056
2057 bool wxVariant::Convert(double* value) const
2058 {
2059     wxString type(GetType());
2060     if (type == wxT("double"))
2061         *value = ((wxVariantDataReal*)GetData())->GetValue();
2062     else if (type == wxT("long"))
2063         *value = (double) (((wxVariantDataLong*)GetData())->GetValue());
2064 #ifdef HAVE_BOOL
2065     else if (type == wxT("bool"))
2066         *value = (double) (((wxVariantDataBool*)GetData())->GetValue());
2067 #endif
2068     else if (type == wxT("string"))
2069         *value = (double) wxAtof((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
2070     else
2071         return false;
2072
2073     return true;
2074 }
2075
2076 bool wxVariant::Convert(char* value) const
2077 {
2078     wxString type(GetType());
2079     if (type == wxT("char"))
2080         *value = ((wxVariantDataChar*)GetData())->GetValue();
2081     else if (type == wxT("long"))
2082         *value = (char) (((wxVariantDataLong*)GetData())->GetValue());
2083 #ifdef HAVE_BOOL
2084     else if (type == wxT("bool"))
2085         *value = (char) (((wxVariantDataBool*)GetData())->GetValue());
2086 #endif
2087     else
2088         return false;
2089
2090     return true;
2091 }
2092
2093 bool wxVariant::Convert(wxString* value) const
2094 {
2095     *value = MakeString();
2096     return true;
2097 }
2098
2099 #if wxUSE_DATETIME
2100 bool wxVariant::Convert(wxDateTime* value) const
2101 {
2102     wxString type(GetType());
2103     if (type == wxT("datetime"))
2104     {
2105         *value = ((wxVariantDataDateTime*)GetData())->GetValue();
2106         return true;
2107     }
2108     // Fallback to string conversion
2109     wxString val;
2110     return Convert(&val) &&
2111                 (value->ParseDateTime(val) || value->ParseDate(val));
2112 }
2113 #endif // wxUSE_DATETIME