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 #ifdef __GNUG__
  13 #pragma implementation "variant.h"
  14 #endif
  15
  16 // For compilers that support precompilation, includes "wx/wx.h".
  17 #include "wx/wxprec.h"
  18
  19 #ifdef __BORLANDC__
  20     #pragma hdrstop
  21 #endif
  22
  23 #if wxUSE_IOSTREAMH
  24 #   include <fstream.h>
  25 #else
  26 #   include <fstream>
  27 #endif
  28
  29 #include "wx/stream.h"
  30 #include "wx/string.h"
  31 #include "wx/variant.h"
  32
  33 IMPLEMENT_ABSTRACT_CLASS(wxVariantData, wxObject)
  34
  35 wxVariant WXDLLEXPORT wxNullVariant;
  36
  37 /*
  38  * wxVariantDataList
  39  */
  40
  41 class WXDLLEXPORT wxVariantDataList: public wxVariantData
  42 {
  43 DECLARE_DYNAMIC_CLASS(wxVariantDataList)
  44 public:
  45     wxVariantDataList() {}
  46     wxVariantDataList(const wxList& list);
  47     ~wxVariantDataList();
  48
  49     wxList& GetValue() const { return (wxList&) m_value; }
  50     void SetValue(const wxList& value) ;
  51
  52     virtual void Copy(wxVariantData& data);
  53     virtual bool Eq(wxVariantData& data) const;
  54     virtual bool Write(ostream& str) const;
  55     virtual bool Write(wxString& str) const;
  56     virtual bool Read(istream& str);
  57     virtual bool Read(wxString& str);
  58     virtual wxString GetType() const { return "list"; };
  59
  60     void Clear();
  61
  62 protected:
  63     wxList  m_value;
  64 };
  65
  66 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataList, wxVariantData)
  67
  68 wxVariantDataList::wxVariantDataList(const wxList& list)
  69 {
  70     SetValue(list);
  71 }
  72
  73 wxVariantDataList::~wxVariantDataList()
  74 {
  75     Clear();
  76 }
  77
  78 void wxVariantDataList::SetValue(const wxList& value)
  79 {
  80     Clear();
  81     wxNode* node = value.First();
  82     while (node)
  83     {
  84         wxVariant* var = (wxVariant*) node->Data();
  85         m_value.Append(new wxVariant(*var));
  86         node = node->Next();
  87     }
  88 }
  89
  90 void wxVariantDataList::Clear()
  91 {
  92     wxNode* node = m_value.First();
  93     while (node)
  94     {
  95         wxVariant* var = (wxVariant*) node->Data();
  96         delete var;
  97         node = node->Next();
  98     }
  99     m_value.Clear();
 100 }
 101
 102 void wxVariantDataList::Copy(wxVariantData& data)
 103 {
 104     wxASSERT_MSG( (data.GetType() == "list"), "wxVariantDataList::Copy: Can't copy to this type of data" );
 105
 106     wxVariantDataList& listData = (wxVariantDataList&) data;
 107
 108     listData.Clear();
 109     wxNode* node = m_value.First();
 110     while (node)
 111     {
 112         wxVariant* var = (wxVariant*) node->Data();
 113         listData.m_value.Append(new wxVariant(*var));
 114         node = node->Next();
 115     }
 116 }
 117
 118 bool wxVariantDataList::Eq(wxVariantData& data) const
 119 {
 120     wxASSERT_MSG( (data.GetType() == "list"), "wxVariantDataList::Eq: argument mismatch" );
 121
 122     wxVariantDataList& listData = (wxVariantDataList&) data;
 123     wxNode* node1 = m_value.First();
 124     wxNode* node2 = listData.GetValue().First();
 125     while (node1 && node2)
 126     {
 127         wxVariant* var1 = (wxVariant*) node1->Data();
 128         wxVariant* var2 = (wxVariant*) node2->Data();
 129         if ((*var1) != (*var2))
 130             return FALSE;
 131         node1 = node1->Next();
 132         node2 = node2->Next();
 133     }
 134     if (node1 || node2) return FALSE;
 135     return TRUE;
 136 }
 137
 138 bool wxVariantDataList::Write(ostream& str) const
 139 {
 140     wxString s;
 141     Write(s);
 142     str << (const char*) s;
 143     return TRUE;
 144 }
 145
 146 bool wxVariantDataList::Write(wxString& str) const
 147 {
 148     str = "";
 149     wxNode* node = m_value.First();
 150     while (node)
 151     {
 152         wxVariant* var = (wxVariant*) node->Data();
 153         if (node != m_value.First())
 154           str += " ";
 155         wxString str1;
 156         str += var->MakeString();
 157         node = node->Next();
 158     }
 159
 160     return TRUE;
 161 }
 162
 163 bool wxVariantDataList::Read(istream& WXUNUSED(str))
 164 {
 165     wxFAIL_MSG("Unimplemented");
 166     // TODO
 167     return FALSE;
 168 }
 169
 170 bool wxVariantDataList::Read(wxString& WXUNUSED(str))
 171 {
 172     wxFAIL_MSG("Unimplemented");
 173     // TODO
 174     return FALSE;
 175 }
 176
 177 /*
 178  * wxVariantDataStringList
 179  */
 180
 181 class WXDLLEXPORT wxVariantDataStringList: public wxVariantData
 182 {
 183 DECLARE_DYNAMIC_CLASS(wxVariantDataStringList)
 184 public:
 185     wxVariantDataStringList() {}
 186     wxVariantDataStringList(const wxStringList& list) { m_value = list; }
 187
 188     wxStringList& GetValue() const { return (wxStringList&) m_value; }
 189     void SetValue(const wxStringList& value);
 190
 191     virtual void Copy(wxVariantData& data);
 192     virtual bool Eq(wxVariantData& data) const;
 193     virtual bool Write(ostream& str) const;
 194     virtual bool Write(wxString& str) const;
 195     virtual bool Read(istream& str);
 196     virtual bool Read(wxString& str);
 197     virtual wxString GetType() const { return "stringlist"; };
 198
 199 protected:
 200     wxStringList  m_value;
 201 };
 202
 203 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataStringList, wxVariantData)
 204
 205 void wxVariantDataStringList::SetValue(const wxStringList& value)
 206 {
 207     m_value = value;
 208 }
 209
 210 void wxVariantDataStringList::Copy(wxVariantData& data)
 211 {
 212     wxASSERT_MSG( (data.GetType() == "stringlist"), "wxVariantDataStringList::Copy: Can't copy to this type of data" );
 213
 214     wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
 215
 216     listData.m_value = m_value ;
 217 }
 218
 219 bool wxVariantDataStringList::Eq(wxVariantData& data) const
 220 {
 221     wxASSERT_MSG( (data.GetType() == "stringlist"), "wxVariantDataStringList::Eq: argument mismatch" );
 222
 223     wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
 224     wxNode* node1 = m_value.First();
 225     wxNode* node2 = listData.GetValue().First();
 226     while (node1 && node2)
 227     {
 228         wxString str1 ((char*) node1->Data());
 229         wxString str2 ((char*) node2->Data());
 230         if (str1 != str2)
 231             return FALSE;
 232         node1 = node1->Next();
 233         node2 = node2->Next();
 234     }
 235     if (node1 || node2) return FALSE;
 236     return TRUE;
 237 }
 238
 239 bool wxVariantDataStringList::Write(ostream& str) const
 240 {
 241     wxString s;
 242     Write(s);
 243     str << (const char*) s;
 244     return TRUE;
 245 }
 246
 247 bool wxVariantDataStringList::Write(wxString& str) const
 248 {
 249     str = "";
 250     wxNode* node = m_value.First();
 251     while (node)
 252     {
 253         char* s = (char*) node->Data();
 254         if (node != m_value.First())
 255           str += " ";
 256         str += s;
 257         node = node->Next();
 258     }
 259
 260     return TRUE;
 261 }
 262
 263 bool wxVariantDataStringList::Read(istream& WXUNUSED(str))
 264 {
 265     wxFAIL_MSG("Unimplemented");
 266     // TODO
 267     return FALSE;
 268 }
 269
 270 bool wxVariantDataStringList::Read(wxString& WXUNUSED(str))
 271 {
 272     wxFAIL_MSG("Unimplemented");
 273     // TODO
 274     return FALSE;
 275 }
 276
 277 /*
 278  * wxVariantDataLong
 279  */
 280
 281 class WXDLLEXPORT wxVariantDataLong: public wxVariantData
 282 {
 283 DECLARE_DYNAMIC_CLASS(wxVariantDataLong)
 284 public:
 285     wxVariantDataLong() { m_value = 0; }
 286     wxVariantDataLong(long value) { m_value = value; }
 287
 288     inline long GetValue() const { return m_value; }
 289     inline void SetValue(long value) { m_value = value; }
 290
 291     virtual void Copy(wxVariantData& data);
 292     virtual bool Eq(wxVariantData& data) const;
 293
 294     virtual bool Read(wxString& str);
 295     virtual bool Write(wxString& str) const;
 296     virtual bool Read(istream& str);
 297     virtual bool Write(ostream& str) const;
 298
 299 #if wxUSE_STREAMS
 300     virtual bool Read(wxInputStream& str);
 301     virtual bool Write(wxOutputStream &str) const;
 302 #endif // wxUSE_STREAMS
 303
 304     virtual wxString GetType() const { return "long"; };
 305
 306 protected:
 307     long m_value;
 308 };
 309
 310 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataLong, wxVariantData)
 311
 312 void wxVariantDataLong::Copy(wxVariantData& data)
 313 {
 314     wxASSERT_MSG( (data.GetType() == "long"), "wxVariantDataLong::Copy: Can't copy to this type of data" );
 315
 316     wxVariantDataLong& otherData = (wxVariantDataLong&) data;
 317
 318     otherData.m_value = m_value;
 319 }
 320
 321 bool wxVariantDataLong::Eq(wxVariantData& data) const
 322 {
 323     wxASSERT_MSG( (data.GetType() == "long"), "wxVariantDataLong::Eq: argument mismatch" );
 324
 325     wxVariantDataLong& otherData = (wxVariantDataLong&) data;
 326
 327     return (otherData.m_value == m_value);
 328 }
 329
 330 bool wxVariantDataLong::Write(ostream& str) const
 331 {
 332     wxString s;
 333     Write(s);
 334     str << (const char*) s;
 335     return TRUE;
 336 }
 337
 338 bool wxVariantDataLong::Write(wxString& str) const
 339 {
 340     str.Printf("%ld", m_value);
 341     return TRUE;
 342 }
 343
 344 bool wxVariantDataLong::Read(istream& str)
 345 {
 346     str >> m_value;
 347     return TRUE;
 348 }
 349
 350 #if wxUSE_STREAMS
 351 bool wxVariantDataLong::Write(wxOutputStream& str) const
 352 {
 353     str << m_value;
 354     return TRUE;
 355 }
 356
 357 bool wxVariantDataLong::Read(wxInputStream& str)
 358 {
 359    str >> m_value;
 360    return TRUE;
 361 }
 362 #endif // wxUSE_STREAMS
 363
 364 bool wxVariantDataLong::Read(wxString& str)
 365 {
 366     m_value = atol((const char*) str);
 367     return TRUE;
 368 }
 369
 370 /*
 371  * wxVariantDataReal
 372  */
 373
 374 class WXDLLEXPORT wxVariantDataReal: public wxVariantData
 375 {
 376 DECLARE_DYNAMIC_CLASS(wxVariantDataReal)
 377 public:
 378     wxVariantDataReal() { m_value = 0.0; }
 379     wxVariantDataReal(double value) { m_value = value; }
 380
 381     inline double GetValue() const { return m_value; }
 382     inline void SetValue(double value) { m_value = value; }
 383
 384     virtual void Copy(wxVariantData& data);
 385     virtual bool Eq(wxVariantData& data) const;
 386     virtual bool Read(wxString& str);
 387     virtual bool Write(ostream& str) const;
 388     virtual bool Write(wxString& str) const;
 389     virtual bool Read(istream& str);
 390 #if wxUSE_STREAMS
 391     virtual bool Read(wxInputStream& str);
 392     virtual bool Write(wxOutputStream &str) const;
 393 #endif // wxUSE_STREAMS
 394     virtual wxString GetType() const { return "double"; };
 395
 396 protected:
 397     double m_value;
 398 };
 399
 400 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataReal, wxVariantData)
 401
 402 void wxVariantDataReal::Copy(wxVariantData& data)
 403 {
 404     wxASSERT_MSG( (data.GetType() == "double"), "wxVariantDataReal::Copy: Can't copy to this type of data" );
 405
 406     wxVariantDataReal& otherData = (wxVariantDataReal&) data;
 407
 408     otherData.m_value = m_value;
 409 }
 410
 411 bool wxVariantDataReal::Eq(wxVariantData& data) const
 412 {
 413     wxASSERT_MSG( (data.GetType() == "double"), "wxVariantDataReal::Eq: argument mismatch" );
 414
 415     wxVariantDataReal& otherData = (wxVariantDataReal&) data;
 416
 417     return (otherData.m_value == m_value);
 418 }
 419
 420 bool wxVariantDataReal::Write(ostream& str) const
 421 {
 422     wxString s;
 423     Write(s);
 424     str << (const char*) s;
 425     return TRUE;
 426 }
 427
 428 bool wxVariantDataReal::Write(wxString& str) const
 429 {
 430     str.Printf("%.4f", m_value);
 431     return TRUE;
 432 }
 433
 434 bool wxVariantDataReal::Read(istream& str)
 435 {
 436     str >> m_value;
 437     return TRUE;
 438 }
 439
 440 #if wxUSE_STREAMS
 441 bool wxVariantDataReal::Write(wxOutputStream& str) const
 442 {
 443     str << m_value;
 444     return TRUE;
 445 }
 446
 447 bool wxVariantDataReal::Read(wxInputStream& str)
 448 {
 449     str >> (float&)m_value;
 450     return TRUE;
 451 }
 452 #endif // wxUSE_STREAMS
 453
 454 bool wxVariantDataReal::Read(wxString& str)
 455 {
 456     m_value = atof((const char*) str);
 457     return TRUE;
 458 }
 459
 460 #ifdef HAVE_BOOL
 461 /*
 462  * wxVariantDataBool
 463  */
 464
 465 class WXDLLEXPORT wxVariantDataBool: public wxVariantData
 466 {
 467 DECLARE_DYNAMIC_CLASS(wxVariantDataBool)
 468 public:
 469     wxVariantDataBool() { m_value = 0; }
 470     wxVariantDataBool(bool value) { m_value = value; }
 471
 472     inline bool GetValue() const { return m_value; }
 473     inline void SetValue(bool value) { m_value = value; }
 474
 475     virtual void Copy(wxVariantData& data);
 476     virtual bool Eq(wxVariantData& data) const;
 477     virtual bool Write(ostream& str) const;
 478     virtual bool Write(wxString& str) const;
 479     virtual bool Read(wxString& str);
 480     virtual bool Read(istream& str);
 481 #if wxUSE_STREAMS
 482     virtual bool Read(wxInputStream& str);
 483     virtual bool Write(wxOutputStream& str) const;
 484 #endif // wxUSE_STREAMS
 485     virtual wxString GetType() const { return "bool"; };
 486
 487 protected:
 488     bool m_value;
 489 };
 490
 491 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataBool, wxVariantData)
 492
 493 void wxVariantDataBool::Copy(wxVariantData& data)
 494 {
 495     wxASSERT_MSG( (data.GetType() == "bool"), "wxVariantDataBool::Copy: Can't copy to this type of data" );
 496
 497     wxVariantDataBool& otherData = (wxVariantDataBool&) data;
 498
 499     otherData.m_value = m_value;
 500 }
 501
 502 bool wxVariantDataBool::Eq(wxVariantData& data) const
 503 {
 504     wxASSERT_MSG( (data.GetType() == "bool"), "wxVariantDataBool::Eq: argument mismatch" );
 505
 506     wxVariantDataBool& otherData = (wxVariantDataBool&) data;
 507
 508     return (otherData.m_value == m_value);
 509 }
 510
 511 bool wxVariantDataBool::Write(ostream& str) const
 512 {
 513     wxString s;
 514     Write(s);
 515     str << (const char*) s;
 516     return TRUE;
 517 }
 518
 519 bool wxVariantDataBool::Write(wxString& str) const
 520 {
 521     str.Printf("%d", (int) m_value);
 522     return TRUE;
 523 }
 524
 525 bool wxVariantDataBool::Read(istream& WXUNUSED(str))
 526 {
 527     wxFAIL_MSG("Unimplemented");
 528 //    str >> (long) m_value;
 529     return FALSE;
 530 }
 531
 532 #if wxUSE_STREAMS
 533 bool wxVariantDataBool::Write(wxOutputStream& str) const
 534 {
 535     str << (char)m_value;
 536     return TRUE;
 537 }
 538
 539 bool wxVariantDataBool::Read(wxInputStream& str)
 540 {
 541     str >> (char&)m_value;
 542     return TRUE;
 543 }
 544 #endif // wxUSE_STREAMS
 545
 546 bool wxVariantDataBool::Read(wxString& str)
 547 {
 548     m_value = (atol((const char*) str) != 0);
 549     return TRUE;
 550 }
 551 #endif // HAVE_BOOL
 552
 553 /*
 554  * wxVariantDataChar
 555  */
 556
 557 class WXDLLEXPORT wxVariantDataChar: public wxVariantData
 558 {
 559 DECLARE_DYNAMIC_CLASS(wxVariantDataChar)
 560 public:
 561     wxVariantDataChar() { m_value = 0; }
 562     wxVariantDataChar(char value) { m_value = value; }
 563
 564     inline char GetValue() const { return m_value; }
 565     inline void SetValue(char value) { m_value = value; }
 566
 567     virtual void Copy(wxVariantData& data);
 568     virtual bool Eq(wxVariantData& data) const;
 569     virtual bool Read(istream& str);
 570     virtual bool Write(ostream& str) const;
 571     virtual bool Read(wxString& str);
 572     virtual bool Write(wxString& str) const;
 573 #if wxUSE_STREAMS
 574     virtual bool Read(wxInputStream& str);
 575     virtual bool Write(wxOutputStream& str) const;
 576 #endif // wxUSE_STREAMS
 577     virtual wxString GetType() const { return "char"; };
 578
 579 protected:
 580     char m_value;
 581 };
 582
 583 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataChar, wxVariantData)
 584
 585 void wxVariantDataChar::Copy(wxVariantData& data)
 586 {
 587     wxASSERT_MSG( (data.GetType() == "char"), "wxVariantDataChar::Copy: Can't copy to this type of data" );
 588
 589     wxVariantDataChar& otherData = (wxVariantDataChar&) data;
 590
 591     otherData.m_value = m_value;
 592 }
 593
 594 bool wxVariantDataChar::Eq(wxVariantData& data) const
 595 {
 596     wxASSERT_MSG( (data.GetType() == "char"), "wxVariantDataChar::Eq: argument mismatch" );
 597
 598     wxVariantDataChar& otherData = (wxVariantDataChar&) data;
 599
 600     return (otherData.m_value == m_value);
 601 }
 602
 603 bool wxVariantDataChar::Write(ostream& str) const
 604 {
 605     wxString s;
 606     Write(s);
 607     str << (const char*) s;
 608     return TRUE;
 609 }
 610
 611 bool wxVariantDataChar::Write(wxString& str) const
 612 {
 613     str.Printf("%c", m_value);
 614     return TRUE;
 615 }
 616
 617 bool wxVariantDataChar::Read(istream& WXUNUSED(str))
 618 {
 619     wxFAIL_MSG("Unimplemented");
 620 //    str >> m_value;
 621     return FALSE;
 622 }
 623
 624 #if wxUSE_STREAMS
 625 bool wxVariantDataChar::Write(wxOutputStream& str) const
 626 {
 627     str << m_value;
 628     return TRUE;
 629 }
 630
 631 bool wxVariantDataChar::Read(wxInputStream& str)
 632 {
 633     str >> m_value;
 634     return TRUE;
 635 }
 636 #endif // wxUSE_STREAMS
 637
 638 bool wxVariantDataChar::Read(wxString& str)
 639 {
 640     m_value = str[(size_t)0];
 641     return TRUE;
 642 }
 643
 644 /*
 645  * wxVariantDataString
 646  */
 647
 648 #if defined(__BORLANDC__) && defined(__WIN16__)
 649 // Change name because of truncation
 650 #define wxVariantDataString wxVariantStringData
 651 #endif
 652
 653 class WXDLLEXPORT wxVariantDataString: public wxVariantData
 654 {
 655 #if defined(__BORLANDC__) && defined(__WIN16__)
 656 DECLARE_DYNAMIC_CLASS(wxVariantStringData)
 657 #else
 658 DECLARE_DYNAMIC_CLASS(wxVariantDataString)
 659 #endif
 660 public:
 661     wxVariantDataString() { }
 662     wxVariantDataString(const wxString& value) { m_value = value; }
 663
 664     inline wxString GetValue() const { return m_value; }
 665     inline void SetValue(const wxString& value) { m_value = value; }
 666
 667     virtual void Copy(wxVariantData& data);
 668     virtual bool Eq(wxVariantData& data) const;
 669     virtual bool Write(ostream& str) const;
 670     virtual bool Read(wxString& str);
 671     virtual bool Write(wxString& str) const;
 672     virtual bool Read(istream& str);
 673 #if wxUSE_STREAMS
 674     virtual bool Read(wxInputStream& str);
 675     virtual bool Write(wxOutputStream& str) const;
 676 #endif // wxUSE_STREAMS
 677     virtual wxString GetType() const { return "string"; };
 678
 679 protected:
 680     wxString m_value;
 681 };
 682
 683 void wxVariantDataString::Copy(wxVariantData& data)
 684 {
 685     wxASSERT_MSG( (data.GetType() == "string"), "wxVariantDataString::Copy: Can't copy to this type of data" );
 686
 687     wxVariantDataString& otherData = (wxVariantDataString&) data;
 688
 689     otherData.m_value = m_value;
 690 }
 691
 692 bool wxVariantDataString::Eq(wxVariantData& data) const
 693 {
 694     wxASSERT_MSG( (data.GetType() == "string"), "wxVariantDataString::Eq: argument mismatch" );
 695
 696     wxVariantDataString& otherData = (wxVariantDataString&) data;
 697
 698     return (otherData.m_value == m_value);
 699 }
 700
 701 bool wxVariantDataString::Write(ostream& str) const
 702 {
 703     str << (const char*) m_value;
 704     return TRUE;
 705 }
 706
 707 bool wxVariantDataString::Write(wxString& str) const
 708 {
 709     str = m_value;
 710     return TRUE;
 711 }
 712
 713 bool wxVariantDataString::Read(istream& str)
 714 {
 715     str >> m_value;
 716     return TRUE;
 717 }
 718
 719 #if wxUSE_STREAMS
 720 bool wxVariantDataString::Write(wxOutputStream& str) const
 721 {
 722     str << (const char*) m_value;
 723     return TRUE;
 724 }
 725
 726 bool wxVariantDataString::Read(wxInputStream& str)
 727 {
 728     str >> m_value;
 729     return TRUE;
 730 }
 731 #endif // wxUSE_STREAMS
 732
 733 bool wxVariantDataString::Read(wxString& str)
 734 {
 735     m_value = str;
 736     return TRUE;
 737 }
 738
 739 #if defined(__BORLANDC__) && defined(__WIN16__)
 740 IMPLEMENT_DYNAMIC_CLASS(wxVariantStringData, wxVariantData)
 741 #else
 742 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataString, wxVariantData)
 743 #endif
 744
 745 /*
 746  * wxVariantDataTime
 747  */
 748
 749 #if wxUSE_TIMEDATE
 750
 751 class wxVariantDataTime: public wxVariantData
 752 {
 753  DECLARE_DYNAMIC_CLASS(wxVariantDataTime)
 754 public:
 755     wxVariantDataTime() { }
 756     wxVariantDataTime(const wxTime& value) { m_value = value; }
 757
 758     inline wxTime GetValue() const { return m_value; }
 759     inline void SetValue(const wxTime& value) { m_value = value; }
 760
 761     virtual void Copy(wxVariantData& data);
 762     virtual bool Eq(wxVariantData& data) const;
 763     virtual bool Write(ostream& str) const;
 764     virtual bool Write(wxString& str) const;
 765     virtual bool Read(istream& str);
 766     virtual bool Read(wxString& str);
 767     virtual wxString GetType() const { return "time"; };
 768         virtual wxVariantData* Clone() { return new wxVariantDataTime; }
 769
 770 protected:
 771     wxTime m_value;
 772 };
 773
 774 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataTime, wxVariantData)
 775
 776 void wxVariantDataTime::Copy(wxVariantData& data)
 777 {
 778     wxASSERT_MSG( (data.GetType() == "time"), "wxVariantDataTime::Copy: Can't copy to this type of data" );
 779
 780     wxVariantDataTime& otherData = (wxVariantDataTime&) data;
 781
 782     otherData.m_value = m_value;
 783 }
 784
 785 bool wxVariantDataTime::Eq(wxVariantData& data) const
 786 {
 787     wxASSERT_MSG( (data.GetType() == "time"), "wxVariantDataTime::Eq: argument mismatch" );
 788
 789     wxVariantDataTime& otherData = (wxVariantDataTime&) data;
 790
 791     return (otherData.m_value == m_value);
 792 }
 793
 794 bool wxVariantDataTime::Write(ostream& str) const
 795 {
 796     wxString s;
 797     Write(s);
 798     str << (const char*) s;
 799     return TRUE;
 800 }
 801
 802 bool wxVariantDataTime::Write(wxString& str) const
 803 {
 804     char*s = m_value.FormatTime();
 805     str = s;
 806     return TRUE;
 807 }
 808
 809 bool wxVariantDataTime::Read(istream& WXUNUSED(str))
 810 {
 811     // Not implemented
 812     return FALSE;
 813 }
 814
 815 bool wxVariantDataTime::Read(wxString& WXUNUSED(str))
 816 {
 817     // Not implemented
 818     return FALSE;
 819 }
 820
 821 /*
 822  * wxVariantDataDate
 823  */
 824
 825 class wxVariantDataDate: public wxVariantData
 826 {
 827  DECLARE_DYNAMIC_CLASS(wxVariantDataDate)
 828 public:
 829     wxVariantDataDate() { }
 830     wxVariantDataDate(const wxDate& value) { m_value = value; }
 831
 832     inline wxDate GetValue() const { return m_value; }
 833     inline void SetValue(const wxDate& value) { m_value = value; }
 834
 835     virtual void Copy(wxVariantData& data);
 836     virtual bool Eq(wxVariantData& data) const;
 837     virtual bool Write(ostream& str) const;
 838     virtual bool Write(wxString& str) const;
 839     virtual bool Read(istream& str);
 840     virtual bool Read(wxString& str);
 841     virtual wxString GetType() const { return "date"; };
 842         virtual wxVariantData* Clone() { return new wxVariantDataDate; }
 843
 844 protected:
 845     wxDate m_value;
 846 };
 847
 848 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataDate, wxVariantData)
 849
 850 void wxVariantDataDate::Copy(wxVariantData& data)
 851 {
 852     wxASSERT_MSG( (data.GetType() == "date"), "wxVariantDataDate::Copy: Can't copy to this type of data" );
 853
 854     wxVariantDataDate& otherData = (wxVariantDataDate&) data;
 855
 856     otherData.m_value = m_value;
 857 }
 858
 859 bool wxVariantDataDate::Eq(wxVariantData& data) const
 860 {
 861     wxASSERT_MSG( (data.GetType() == "date"), "wxVariantDataDate::Eq: argument mismatch" );
 862
 863     wxVariantDataDate& otherData = (wxVariantDataDate&) data;
 864
 865     return (otherData.m_value == m_value);
 866 }
 867
 868 bool wxVariantDataDate::Write(ostream& str) const
 869 {
 870     wxString s;
 871     Write(s);
 872     str << (const char*) s;
 873     return TRUE;
 874 }
 875
 876 bool wxVariantDataDate::Write(wxString& str) const
 877 {
 878     str = m_value.FormatDate();
 879     return TRUE;
 880 }
 881
 882 bool wxVariantDataDate::Read(istream& WXUNUSED(str))
 883 {
 884     // Not implemented
 885     return FALSE;
 886 }
 887
 888 bool wxVariantDataDate::Read(wxString& WXUNUSED(str))
 889 {
 890     // Not implemented
 891     return FALSE;
 892 }
 893 #endif
 894   // wxUSE_TIMEDATE
 895
 896 /*
 897  * wxVariantDataVoidPtr
 898  */
 899
 900 class wxVariantDataVoidPtr: public wxVariantData
 901 {
 902 DECLARE_DYNAMIC_CLASS(wxVariantDataVoidPtr)
 903 public:
 904     wxVariantDataVoidPtr() { }
 905     wxVariantDataVoidPtr(void* value) { m_value = value; }
 906
 907     inline void* GetValue() const { return m_value; }
 908     inline void SetValue(void* value) { m_value = value; }
 909
 910     virtual void Copy(wxVariantData& data);
 911     virtual bool Eq(wxVariantData& data) const;
 912     virtual bool Write(ostream& str) const;
 913     virtual bool Write(wxString& str) const;
 914     virtual bool Read(istream& str);
 915     virtual bool Read(wxString& str);
 916     virtual wxString GetType() const { return "void*"; };
 917         virtual wxVariantData* Clone() { return new wxVariantDataVoidPtr; }
 918
 919 protected:
 920     void* m_value;
 921 };
 922
 923 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataVoidPtr, wxVariantData)
 924
 925 void wxVariantDataVoidPtr::Copy(wxVariantData& data)
 926 {
 927     wxASSERT_MSG( (data.GetType() == "void*"), "wxVariantDataVoidPtr::Copy: Can't copy to this type of data" );
 928
 929     wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
 930
 931     otherData.m_value = m_value;
 932 }
 933
 934 bool wxVariantDataVoidPtr::Eq(wxVariantData& data) const
 935 {
 936     wxASSERT_MSG( (data.GetType() == "void*"), "wxVariantDataVoidPtr::Eq: argument mismatch" );
 937
 938     wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
 939
 940     return (otherData.m_value == m_value);
 941 }
 942
 943 bool wxVariantDataVoidPtr::Write(ostream& str) const
 944 {
 945     wxString s;
 946     Write(s);
 947     str << (const char*) s;
 948     return TRUE;
 949 }
 950
 951 bool wxVariantDataVoidPtr::Write(wxString& str) const
 952 {
 953     char buf[80];
 954     sprintf(buf, "%ld", (long) m_value);
 955     str = buf;
 956     return TRUE;
 957 }
 958
 959 bool wxVariantDataVoidPtr::Read(istream& WXUNUSED(str))
 960 {
 961     // Not implemented
 962     return FALSE;
 963 }
 964
 965 bool wxVariantDataVoidPtr::Read(wxString& WXUNUSED(str))
 966 {
 967     // Not implemented
 968     return FALSE;
 969 }
 970
 971
 972 /*
 973  * wxVariant
 974  */
 975
 976 IMPLEMENT_DYNAMIC_CLASS(wxVariant, wxObject)
 977
 978 // Construction & destruction
 979 wxVariant::wxVariant()
 980 {
 981     m_data = (wxVariantData*) NULL;
 982 }
 983
 984 wxVariant::wxVariant(double val, const wxString& name)
 985 {
 986     m_data = new wxVariantDataReal(val);
 987     m_name = name;
 988 }
 989
 990 wxVariant::wxVariant(long val, const wxString& name)
 991 {
 992     m_data = new wxVariantDataLong(val);
 993     m_name = name;
 994 }
 995
 996 #ifdef HAVE_BOOL
 997 wxVariant::wxVariant(bool val, const wxString& name)
 998 {
 999     m_data = new wxVariantDataBool(val);
1000     m_name = name;
1001 }
1002 #endif
1003
1004 wxVariant::wxVariant(char val, const wxString& name)
1005 {
1006     m_data = new wxVariantDataChar(val);
1007     m_name = name;
1008 }
1009
1010 wxVariant::wxVariant(const wxString& val, const wxString& name)
1011 {
1012     m_data = new wxVariantDataString(val);
1013     m_name = name;
1014 }
1015
1016 wxVariant::wxVariant(const char* val, const wxString& name)
1017 {
1018     m_data = new wxVariantDataString(wxString(val));
1019     m_name = name;
1020 }
1021
1022 wxVariant::wxVariant(const wxStringList& val, const wxString& name)
1023 {
1024     m_data = new wxVariantDataStringList(val);
1025     m_name = name;
1026 }
1027
1028 wxVariant::wxVariant(const wxList& val, const wxString& name) // List of variants
1029 {
1030     m_data = new wxVariantDataList(val);
1031     m_name = name;
1032 }
1033
1034 #if wxUSE_TIMEDATE
1035 wxVariant::wxVariant(const wxTime& val, const wxString& name) // Time
1036 {
1037     m_data = new wxVariantDataTime(val);
1038     m_name = name;
1039 }
1040
1041 wxVariant::wxVariant(const wxDate& val, const wxString& name) // Date
1042 {
1043     m_data = new wxVariantDataDate(val);
1044     m_name = name;
1045 }
1046 #endif
1047
1048 wxVariant::wxVariant(void* val, const wxString& name) // Void ptr
1049 {
1050     m_data = new wxVariantDataVoidPtr(val);
1051     m_name = name;
1052 }
1053
1054 wxVariant::wxVariant(const wxVariant& variant)
1055 {
1056     if (!variant.IsNull())
1057     {
1058         m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
1059         variant.m_data->Copy(*m_data);
1060     }
1061     else
1062         m_data = (wxVariantData*) NULL;
1063     m_name = variant.m_name;
1064 }
1065
1066 wxVariant::wxVariant(wxVariantData* data, const wxString& name) // User-defined data
1067 {
1068     m_data = data;
1069     m_name = name;
1070 }
1071
1072 wxVariant::~wxVariant()
1073 {
1074     delete m_data;
1075 }
1076
1077
1078 // Make NULL (i.e. delete the data)
1079 void wxVariant::MakeNull()
1080 {
1081     delete m_data;
1082     m_data = NULL;
1083 }
1084
1085 // Generic operators
1086 // Assignment
1087 void wxVariant::operator= (const wxVariant& variant)
1088 {
1089     if (variant.IsNull())
1090     {
1091         MakeNull();
1092         return;
1093     }
1094
1095     if (IsNull() || (GetType() != variant.GetType()))
1096     {
1097         if (m_data)
1098             delete m_data;
1099         m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
1100     }
1101 //    GetData()->Copy(* variant.GetData());
1102     variant.GetData()->Copy(* GetData());
1103 }
1104
1105 // Assignment using data, e.g.
1106 // myVariant = new wxStringVariantData("hello")
1107 void wxVariant::operator= (wxVariantData* variantData)
1108 {
1109     MakeNull();
1110     m_data = variantData;
1111 }
1112
1113 bool wxVariant::operator== (const wxVariant& variant) const
1114 {
1115     if (IsNull() || variant.IsNull())
1116         return (IsNull() == variant.IsNull());
1117
1118     return (GetData()->Eq(* variant.GetData()));
1119 }
1120
1121 bool wxVariant::operator!= (const wxVariant& variant) const
1122 {
1123     return (!(*this == variant));
1124 }
1125
1126
1127 // Specific operators
1128 bool wxVariant::operator== (double value) const
1129 {
1130     double thisValue;
1131     if (!Convert(&thisValue))
1132         return FALSE;
1133     else
1134         return (value == thisValue);
1135 }
1136
1137 bool wxVariant::operator!= (double value) const
1138 {
1139     return (!((*this) == value));
1140 }
1141
1142 void wxVariant::operator= (double value)
1143 {
1144     if (GetType() == "double")
1145     {
1146         ((wxVariantDataReal*)GetData())->SetValue(value);
1147     }
1148     else
1149     {
1150         if (m_data)
1151             delete m_data;
1152         m_data = new wxVariantDataReal(value);
1153     }
1154 }
1155
1156 bool wxVariant::operator== (long value) const
1157 {
1158     long thisValue;
1159     if (!Convert(&thisValue))
1160         return FALSE;
1161     else
1162         return (value == thisValue);
1163 }
1164
1165 bool wxVariant::operator!= (long value) const
1166 {
1167     return (!((*this) == value));
1168 }
1169
1170 void wxVariant::operator= (long value)
1171 {
1172     if (GetType() == "long")
1173     {
1174         ((wxVariantDataLong*)GetData())->SetValue(value);
1175     }
1176     else
1177     {
1178         if (m_data)
1179             delete m_data;
1180         m_data = new wxVariantDataLong(value);
1181     }
1182 }
1183
1184 bool wxVariant::operator== (char value) const
1185 {
1186     char thisValue;
1187     if (!Convert(&thisValue))
1188         return FALSE;
1189     else
1190         return (value == thisValue);
1191 }
1192
1193 bool wxVariant::operator!= (char value) const
1194 {
1195     return (!((*this) == value));
1196 }
1197
1198 void wxVariant::operator= (char value)
1199 {
1200     if (GetType() == "char")
1201     {
1202         ((wxVariantDataChar*)GetData())->SetValue(value);
1203     }
1204     else
1205     {
1206         if (m_data)
1207             delete m_data;
1208         m_data = new wxVariantDataChar(value);
1209     }
1210 }
1211
1212 #ifdef HAVE_BOOL
1213 bool wxVariant::operator== (bool value) const
1214 {
1215     bool thisValue;
1216     if (!Convert(&thisValue))
1217         return FALSE;
1218     else
1219         return (value == thisValue);
1220 }
1221
1222 bool wxVariant::operator!= (bool value) const
1223 {
1224     return (!((*this) == value));
1225 }
1226
1227 void wxVariant::operator= (bool value)
1228 {
1229     if (GetType() == "bool")
1230     {
1231         ((wxVariantDataBool*)GetData())->SetValue(value);
1232     }
1233     else
1234     {
1235         if (m_data)
1236             delete m_data;
1237         m_data = new wxVariantDataBool(value);
1238     }
1239 }
1240 #endif // HAVE_BOOL
1241
1242 bool wxVariant::operator== (const wxString& value) const
1243 {
1244     wxString thisValue;
1245     if (!Convert(&thisValue))
1246         return FALSE;
1247     else
1248         return (value == thisValue);
1249 }
1250
1251 bool wxVariant::operator!= (const wxString& value) const
1252 {
1253     return (!((*this) == value));
1254 }
1255
1256 void wxVariant::operator= (const wxString& value)
1257 {
1258     if (GetType() == "string")
1259     {
1260         ((wxVariantDataString*)GetData())->SetValue(value);
1261     }
1262     else
1263     {
1264         if (m_data)
1265             delete m_data;
1266         m_data = new wxVariantDataString(value);
1267     }
1268 }
1269
1270 void wxVariant::operator= (const char* value)
1271 {
1272     if (GetType() == "string")
1273     {
1274         ((wxVariantDataString*)GetData())->SetValue(wxString(value));
1275     }
1276     else
1277     {
1278         if (m_data)
1279             delete m_data;
1280         m_data = new wxVariantDataString(wxString(value));
1281     }
1282 }
1283
1284 bool wxVariant::operator== (const wxStringList& value) const
1285 {
1286     wxASSERT_MSG( (GetType() == "stringlist"), "Invalid type for == operator" );
1287
1288     wxVariantDataStringList other(value);
1289     return (m_data->Eq(other));
1290 }
1291
1292 bool wxVariant::operator!= (const wxStringList& value) const
1293 {
1294     return (!((*this) == value));
1295 }
1296
1297 void wxVariant::operator= (const wxStringList& value)
1298 {
1299     if (GetType() == "stringlist")
1300     {
1301         ((wxVariantDataStringList*)GetData())->SetValue(value);
1302     }
1303     else
1304     {
1305         if (m_data)
1306             delete m_data;
1307         m_data = new wxVariantDataStringList(value);
1308     }
1309 }
1310
1311 bool wxVariant::operator== (const wxList& value) const
1312 {
1313     wxASSERT_MSG( (GetType() == "list"), "Invalid type for == operator" );
1314
1315     wxVariantDataList other(value);
1316     return (m_data->Eq(other));
1317 }
1318
1319 bool wxVariant::operator!= (const wxList& value) const
1320 {
1321     return (!((*this) == value));
1322 }
1323
1324 void wxVariant::operator= (const wxList& value)
1325 {
1326     if (GetType() == "list")
1327     {
1328         ((wxVariantDataList*)GetData())->SetValue(value);
1329     }
1330     else
1331     {
1332         if (m_data)
1333             delete m_data;
1334         m_data = new wxVariantDataList(value);
1335     }
1336 }
1337
1338 #if wxUSE_TIMEDATE
1339 bool wxVariant::operator== (const wxTime& value) const
1340 {
1341     wxTime thisValue;
1342     if (!Convert(&thisValue))
1343         return FALSE;
1344     else
1345         return (value == thisValue);
1346 }
1347
1348 bool wxVariant::operator!= (const wxTime& value) const
1349 {
1350     return (!((*this) == value));
1351 }
1352
1353 void wxVariant::operator= (const wxTime& value)
1354 {
1355     if (GetType() == "time")
1356     {
1357         ((wxVariantDataTime*)GetData())->SetValue(value);
1358     }
1359     else
1360     {
1361         if (m_data)
1362             delete m_data;
1363         m_data = new wxVariantDataTime(value);
1364     }
1365 }
1366
1367 bool wxVariant::operator== (const wxDate& value) const
1368 {
1369     wxDate thisValue;
1370     if (!Convert(&thisValue))
1371         return FALSE;
1372     else
1373         return (value == thisValue);
1374 }
1375
1376 bool wxVariant::operator!= (const wxDate& value) const
1377 {
1378     return (!((*this) == value));
1379 }
1380
1381 void wxVariant::operator= (const wxDate& value)
1382 {
1383     if (GetType() == "date")
1384     {
1385         ((wxVariantDataTime*)GetData())->SetValue(value);
1386     }
1387     else
1388     {
1389         if (m_data)
1390             delete m_data;
1391         m_data = new wxVariantDataDate(value);
1392     }
1393 }
1394 #endif
1395
1396 bool wxVariant::operator== (void* value) const
1397 {
1398     return (value == ((wxVariantDataVoidPtr*)GetData())->GetValue());
1399 }
1400
1401 bool wxVariant::operator!= (void* value) const
1402 {
1403     return (!((*this) == value));
1404 }
1405
1406 void wxVariant::operator= (void* value)
1407 {
1408     if (GetType() == "void*")
1409     {
1410         ((wxVariantDataVoidPtr*)GetData())->SetValue(value);
1411     }
1412     else
1413     {
1414         if (m_data)
1415             delete m_data;
1416         m_data = new wxVariantDataVoidPtr(value);
1417     }
1418 }
1419
1420 // Treat a list variant as an array
1421 wxVariant wxVariant::operator[] (size_t idx) const
1422 {
1423     wxASSERT_MSG( (GetType() == "list" || GetType() == "stringlist"), "Invalid type for array operator" );
1424
1425     if (GetType() == "list")
1426     {
1427         wxVariantDataList* data = (wxVariantDataList*) m_data;
1428         wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), "Invalid index for array" );
1429         return * (wxVariant*) (data->GetValue().Nth(idx)->Data());
1430     }
1431     else if (GetType() == "stringlist")
1432     {
1433         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1434         wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), "Invalid index for array" );
1435
1436         wxVariant variant( wxString( (char*) (data->GetValue().Nth(idx)->Data()) ));
1437         return variant;
1438     }
1439     return wxNullVariant;
1440 }
1441
1442 wxVariant& wxVariant::operator[] (size_t idx)
1443 {
1444     // We can't return a reference to a variant for a string list, since the string
1445     // is actually stored as a char*, not a variant.
1446
1447     wxASSERT_MSG( (GetType() == "list"), "Invalid type for array operator" );
1448
1449     wxVariantDataList* data = (wxVariantDataList*) m_data;
1450     wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), "Invalid index for array" );
1451
1452     return * (wxVariant*) (data->GetValue().Nth(idx)->Data());
1453 }
1454
1455 // Return the number of elements in a list
1456 int wxVariant::GetCount() const
1457 {
1458     wxASSERT_MSG( (GetType() == "list" || GetType() == "stringlist"), "Invalid type for GetCount()" );
1459
1460     if (GetType() == "list")
1461     {
1462         wxVariantDataList* data = (wxVariantDataList*) m_data;
1463         return data->GetValue().Number();
1464     }
1465     else if (GetType() == "stringlist")
1466     {
1467         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1468         return data->GetValue().Number();
1469     }
1470     return 0;
1471 }
1472
1473 wxString wxVariant::MakeString() const
1474 {
1475     if (!IsNull())
1476     {
1477         wxString str;
1478         if (GetData()->Write(str))
1479             return str;
1480     }
1481     return wxString("");
1482 }
1483
1484 // Accessors
1485
1486 void wxVariant::SetData(wxVariantData* data)
1487 {
1488     if (m_data) delete m_data;
1489     m_data = data;
1490 }
1491
1492
1493 // Returns a string representing the type of the variant,
1494 // e.g. "string", "bool", "stringlist", "list", "double", "long"
1495 wxString wxVariant::GetType() const
1496 {
1497     if (IsNull())
1498         return wxString("null");
1499     else
1500         return m_data->GetType();
1501 }
1502
1503
1504 bool wxVariant::IsType(const wxString& type) const
1505 {
1506     return (GetType() == type);
1507 }
1508
1509
1510 // Value accessors
1511 double wxVariant::GetReal() const
1512 {
1513     double value;
1514     if (Convert(& value))
1515         return value;
1516     else
1517     {
1518         wxFAIL_MSG("Could not convert to a real number");
1519         return 0.0;
1520     }
1521 }
1522
1523 long wxVariant::GetInteger() const
1524 {
1525     long value;
1526     if (Convert(& value))
1527         return value;
1528     else
1529     {
1530         wxFAIL_MSG("Could not convert to an integer");
1531         return 0;
1532     }
1533 }
1534
1535 char wxVariant::GetChar() const
1536 {
1537     char value;
1538     if (Convert(& value))
1539         return value;
1540     else
1541     {
1542         wxFAIL_MSG("Could not convert to a char");
1543         return 0;
1544     }
1545 }
1546
1547 bool wxVariant::GetBool() const
1548 {
1549     bool value;
1550     if (Convert(& value))
1551         return value;
1552     else
1553     {
1554         wxFAIL_MSG("Could not convert to a bool");
1555         return 0;
1556     }
1557 }
1558
1559 wxString wxVariant::GetString() const
1560 {
1561     wxString value;
1562     if (Convert(& value))
1563         return value;
1564     else
1565     {
1566         wxFAIL_MSG("Could not convert to a string");
1567         return wxString("");
1568     }
1569 }
1570
1571 #if wxUSE_TIMEDATE
1572 wxTime wxVariant::GetTime() const
1573 {
1574     wxTime value;
1575     if (Convert(& value))
1576         return value;
1577     else
1578     {
1579         wxFAIL_MSG("Could not convert to a time");
1580         return wxTime();
1581     }
1582 }
1583
1584 wxDate wxVariant::GetDate() const
1585 {
1586     wxDate value;
1587     if (Convert(& value))
1588         return value;
1589     else
1590     {
1591         wxFAIL_MSG("Could not convert to a date");
1592         return wxDate();
1593     }
1594 }
1595 #endif
1596
1597 void* wxVariant::GetVoidPtr() const
1598 {
1599     wxASSERT( (GetType() == "void*") );
1600
1601     return (void*) ((wxVariantDataVoidPtr*) m_data)->GetValue();
1602 }
1603
1604 wxList& wxVariant::GetList() const
1605 {
1606     wxASSERT( (GetType() == "list") );
1607
1608     return (wxList&) ((wxVariantDataList*) m_data)->GetValue();
1609 }
1610
1611 wxStringList& wxVariant::GetStringList() const
1612 {
1613     wxASSERT( (GetType() == "stringlist") );
1614
1615     return (wxStringList&) ((wxVariantDataStringList*) m_data)->GetValue();
1616 }
1617
1618 // Append to list
1619 void wxVariant::Append(const wxVariant& value)
1620 {
1621     wxList& list = GetList();
1622
1623     list.Append(new wxVariant(value));
1624 }
1625
1626 // Insert at front of list
1627 void wxVariant::Insert(const wxVariant& value)
1628 {
1629     wxList& list = GetList();
1630
1631     list.Insert(new wxVariant(value));
1632 }
1633
1634 // Returns TRUE if the variant is a member of the list
1635 bool wxVariant::Member(const wxVariant& value) const
1636 {
1637     wxList& list = GetList();
1638
1639     wxNode* node = list.First();
1640     while (node)
1641     {
1642         wxVariant* other = (wxVariant*) node->Data();
1643         if (value == *other)
1644             return TRUE;
1645         node = node->Next();
1646     }
1647     return FALSE;
1648 }
1649
1650 // Deletes the nth element of the list
1651 bool wxVariant::Delete(int item)
1652 {
1653     wxList& list = GetList();
1654
1655     wxASSERT_MSG( (item < list.Number()), "Invalid index to Delete" );
1656     wxNode* node = list.Nth(item);
1657     wxVariant* variant = (wxVariant*) node->Data();
1658     delete variant;
1659     delete node;
1660     return TRUE;
1661 }
1662
1663 // Clear list
1664 void wxVariant::ClearList()
1665 {
1666     if (!IsNull() && (GetType() == "list"))
1667     {
1668         ((wxVariantDataList*) m_data)->Clear();
1669     }
1670     else
1671     {
1672         if (GetType() != "list")
1673         {
1674             delete m_data;
1675             m_data = NULL;
1676         }
1677         m_data = new wxVariantDataList;
1678     }
1679 }
1680
1681 // Type conversion
1682 bool wxVariant::Convert(long* value) const
1683 {
1684     wxString type(GetType());
1685     if (type == "double")
1686         *value = (long) (((wxVariantDataReal*)GetData())->GetValue());
1687     else if (type == "long")
1688         *value = ((wxVariantDataLong*)GetData())->GetValue();
1689     else if (type == "bool")
1690         *value = (long) (((wxVariantDataBool*)GetData())->GetValue());
1691     else if (type == "string")
1692         *value = atol((const char*) ((wxVariantDataString*)GetData())->GetValue());
1693     else
1694         return FALSE;
1695
1696     return TRUE;
1697 }
1698
1699 bool wxVariant::Convert(bool* value) const
1700 {
1701     wxString type(GetType());
1702     if (type == "double")
1703         *value = ((int) (((wxVariantDataReal*)GetData())->GetValue()) != 0);
1704     else if (type == "long")
1705         *value = (((wxVariantDataLong*)GetData())->GetValue() != 0);
1706     else if (type == "bool")
1707         *value = ((wxVariantDataBool*)GetData())->GetValue();
1708     else if (type == "string")
1709     {
1710         wxString val(((wxVariantDataString*)GetData())->GetValue());
1711         val.MakeLower();
1712         if (val == "true" || val == "yes")
1713             *value = TRUE;
1714         else if (val == "false" || val == "no")
1715             *value = FALSE;
1716         else
1717             return FALSE;
1718     }
1719     else
1720         return FALSE;
1721
1722     return TRUE;
1723 }
1724
1725 bool wxVariant::Convert(double* value) const
1726 {
1727     wxString type(GetType());
1728     if (type == "double")
1729         *value = ((wxVariantDataReal*)GetData())->GetValue();
1730     else if (type == "long")
1731         *value = (double) (((wxVariantDataLong*)GetData())->GetValue());
1732     else if (type == "bool")
1733         *value = (double) (((wxVariantDataBool*)GetData())->GetValue());
1734     else if (type == "string")
1735         *value = (double) atof((const char*) ((wxVariantDataString*)GetData())->GetValue());
1736     else
1737         return FALSE;
1738
1739     return TRUE;
1740 }
1741
1742 bool wxVariant::Convert(char* value) const
1743 {
1744     wxString type(GetType());
1745     if (type == "char")
1746         *value = ((wxVariantDataChar*)GetData())->GetValue();
1747     else if (type == "long")
1748         *value = (char) (((wxVariantDataLong*)GetData())->GetValue());
1749     else if (type == "bool")
1750         *value = (char) (((wxVariantDataBool*)GetData())->GetValue());
1751     else
1752         return FALSE;
1753
1754     return TRUE;
1755 }
1756
1757 bool wxVariant::Convert(wxString* value) const
1758 {
1759     *value = MakeString();
1760     return TRUE;
1761 }
1762
1763 #if wxUSE_TIMEDATE
1764 bool wxVariant::Convert(wxTime* value) const
1765 {
1766     wxString type(GetType());
1767     if (type == "time")
1768         *value = ((wxVariantDataTime*)GetData())->GetValue();
1769     else if (type == "date")
1770         *value = wxTime(((wxVariantDataDate*)GetData())->GetValue());
1771     else
1772         return FALSE;
1773
1774     return TRUE;
1775 }
1776
1777 bool wxVariant::Convert(wxDate* value) const
1778 {
1779     wxString type(GetType());
1780     if (type == "date")
1781         *value = ((wxVariantDataDate*)GetData())->GetValue();
1782     else
1783         return FALSE;
1784
1785     return TRUE;
1786 }
1787 #endif
1788  // wxUSE_TIMEDATE