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 #pragma implementation "time.h"
  15 #pragma implementation "date.h"
  16 #endif
  17
  18 // For compilers that support precompilation, includes "wx/wx.h".
  19 #include "wx/wxprec.h"
  20
  21 #ifdef __BORLANDC__
  22     #pragma hdrstop
  23 #endif
  24
  25 #if wxUSE_STD_IOSTREAM
  26     #if wxUSE_IOSTREAMH
  27         #include <fstream.h>
  28     #else
  29         #include <fstream>
  30     #endif
  31 #endif
  32
  33 #if wxUSE_STREAMS
  34 #include "wx/stream.h"
  35 #include "wx/txtstrm.h"
  36 #endif
  37
  38 #include "wx/string.h"
  39 #include "wx/tokenzr.h"
  40
  41 #include "wx/variant.h"
  42
  43 #if wxUSE_TIMEDATE
  44 IMPLEMENT_DYNAMIC_CLASS(wxDate, wxObject)
  45 IMPLEMENT_DYNAMIC_CLASS(wxTime, wxObject)
  46
  47 wxTime::tFormat    wxTime::ms_Format    = wxTime::wx12h;
  48 wxTime::tPrecision wxTime::ms_Precision  = wxTime::wxStdMinSec;
  49 wxChar             wxTime::ms_bufTime[128];
  50 #endif
  51
  52 IMPLEMENT_ABSTRACT_CLASS(wxVariantData, wxObject)
  53
  54 wxVariant WXDLLEXPORT wxNullVariant;
  55
  56 /*
  57  * wxVariantDataList
  58  */
  59
  60 class WXDLLEXPORT wxVariantDataList: public wxVariantData
  61 {
  62 DECLARE_DYNAMIC_CLASS(wxVariantDataList)
  63 public:
  64     wxVariantDataList() {}
  65     wxVariantDataList(const wxList& list);
  66     ~wxVariantDataList();
  67
  68     wxList& GetValue() const { return (wxList&) m_value; }
  69     void SetValue(const wxList& value) ;
  70
  71     virtual void Copy(wxVariantData& data);
  72     virtual bool Eq(wxVariantData& data) const;
  73 #if wxUSE_STD_IOSTREAM
  74     virtual bool Write(wxSTD ostream& str) const;
  75 #endif
  76     virtual bool Write(wxString& str) const;
  77 #if wxUSE_STD_IOSTREAM
  78     virtual bool Read(wxSTD istream& str);
  79 #endif
  80     virtual bool Read(wxString& str);
  81     virtual wxString GetType() const { return wxT("list"); };
  82
  83     void Clear();
  84
  85 protected:
  86     wxList  m_value;
  87 };
  88
  89 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataList, wxVariantData)
  90
  91 wxVariantDataList::wxVariantDataList(const wxList& list)
  92 {
  93     SetValue(list);
  94 }
  95
  96 wxVariantDataList::~wxVariantDataList()
  97 {
  98     Clear();
  99 }
 100
 101 void wxVariantDataList::SetValue(const wxList& value)
 102 {
 103     Clear();
 104     wxNode* node = value.First();
 105     while (node)
 106     {
 107         wxVariant* var = (wxVariant*) node->Data();
 108         m_value.Append(new wxVariant(*var));
 109         node = node->Next();
 110     }
 111 }
 112
 113 void wxVariantDataList::Clear()
 114 {
 115     wxNode* node = m_value.First();
 116     while (node)
 117     {
 118         wxVariant* var = (wxVariant*) node->Data();
 119         delete var;
 120         node = node->Next();
 121     }
 122     m_value.Clear();
 123 }
 124
 125 void wxVariantDataList::Copy(wxVariantData& data)
 126 {
 127     wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Copy: Can't copy to this type of data") );
 128
 129     wxVariantDataList& listData = (wxVariantDataList&) data;
 130
 131     listData.Clear();
 132     wxNode* node = m_value.First();
 133     while (node)
 134     {
 135         wxVariant* var = (wxVariant*) node->Data();
 136         listData.m_value.Append(new wxVariant(*var));
 137         node = node->Next();
 138     }
 139 }
 140
 141 bool wxVariantDataList::Eq(wxVariantData& data) const
 142 {
 143     wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Eq: argument mismatch") );
 144
 145     wxVariantDataList& listData = (wxVariantDataList&) data;
 146     wxNode* node1 = m_value.First();
 147     wxNode* node2 = listData.GetValue().First();
 148     while (node1 && node2)
 149     {
 150         wxVariant* var1 = (wxVariant*) node1->Data();
 151         wxVariant* var2 = (wxVariant*) node2->Data();
 152         if ((*var1) != (*var2))
 153             return FALSE;
 154         node1 = node1->Next();
 155         node2 = node2->Next();
 156     }
 157     if (node1 || node2) return FALSE;
 158     return TRUE;
 159 }
 160
 161 #if wxUSE_STD_IOSTREAM
 162 bool wxVariantDataList::Write(wxSTD ostream& str) const
 163 {
 164     wxString s;
 165     Write(s);
 166     str << (const char*) s.mb_str();
 167     return TRUE;
 168 }
 169 #endif
 170
 171 bool wxVariantDataList::Write(wxString& str) const
 172 {
 173     str = wxT("");
 174     wxNode* node = m_value.First();
 175     while (node)
 176     {
 177         wxVariant* var = (wxVariant*) node->Data();
 178         if (node != m_value.First())
 179           str += wxT(" ");
 180         wxString str1;
 181         str += var->MakeString();
 182         node = node->Next();
 183     }
 184
 185     return TRUE;
 186 }
 187
 188 #if wxUSE_STD_IOSTREAM
 189 bool wxVariantDataList::Read(wxSTD istream& WXUNUSED(str))
 190 {
 191     wxFAIL_MSG(wxT("Unimplemented"));
 192     // TODO
 193     return FALSE;
 194 }
 195 #endif
 196
 197 bool wxVariantDataList::Read(wxString& WXUNUSED(str))
 198 {
 199     wxFAIL_MSG(wxT("Unimplemented"));
 200     // TODO
 201     return FALSE;
 202 }
 203
 204 /*
 205  * wxVariantDataStringList
 206  */
 207
 208 class WXDLLEXPORT wxVariantDataStringList: public wxVariantData
 209 {
 210 DECLARE_DYNAMIC_CLASS(wxVariantDataStringList)
 211 public:
 212     wxVariantDataStringList() {}
 213     wxVariantDataStringList(const wxStringList& list) { m_value = list; }
 214
 215     wxStringList& GetValue() const { return (wxStringList&) m_value; }
 216     void SetValue(const wxStringList& value);
 217
 218     virtual void Copy(wxVariantData& data);
 219     virtual bool Eq(wxVariantData& data) const;
 220 #if wxUSE_STD_IOSTREAM
 221     virtual bool Write(wxSTD ostream& str) const;
 222 #endif
 223     virtual bool Write(wxString& str) const;
 224 #if wxUSE_STD_IOSTREAM
 225     virtual bool Read(wxSTD istream& str);
 226 #endif
 227     virtual bool Read(wxString& str);
 228     virtual wxString GetType() const { return wxT("stringlist"); };
 229
 230 protected:
 231     wxStringList  m_value;
 232 };
 233
 234 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataStringList, wxVariantData)
 235
 236 void wxVariantDataStringList::SetValue(const wxStringList& value)
 237 {
 238     m_value = value;
 239 }
 240
 241 void wxVariantDataStringList::Copy(wxVariantData& data)
 242 {
 243     wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Copy: Can't copy to this type of data") );
 244
 245     wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
 246
 247     listData.m_value = m_value ;
 248 }
 249
 250 bool wxVariantDataStringList::Eq(wxVariantData& data) const
 251 {
 252     wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Eq: argument mismatch") );
 253
 254     wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
 255     wxNode* node1 = m_value.First();
 256     wxNode* node2 = listData.GetValue().First();
 257     while (node1 && node2)
 258     {
 259         wxString str1 ((wxChar*) node1->Data());
 260         wxString str2 ((wxChar*) node2->Data());
 261         if (str1 != str2)
 262             return FALSE;
 263         node1 = node1->Next();
 264         node2 = node2->Next();
 265     }
 266     if (node1 || node2) return FALSE;
 267     return TRUE;
 268 }
 269
 270 #if wxUSE_STD_IOSTREAM
 271 bool wxVariantDataStringList::Write(wxSTD ostream& str) const
 272 {
 273     wxString s;
 274     Write(s);
 275     str << (const char*) s.mb_str();
 276     return TRUE;
 277 }
 278 #endif
 279
 280 bool wxVariantDataStringList::Write(wxString& str) const
 281 {
 282     str = wxT("");
 283     wxNode* node = m_value.First();
 284     while (node)
 285     {
 286         wxChar* s = (wxChar*) node->Data();
 287         if (node != m_value.First())
 288           str += wxT(" ");
 289         str += s;
 290         node = node->Next();
 291     }
 292
 293     return TRUE;
 294 }
 295
 296 #if wxUSE_STD_IOSTREAM
 297 bool wxVariantDataStringList::Read(wxSTD istream& WXUNUSED(str))
 298 {
 299     wxFAIL_MSG(wxT("Unimplemented"));
 300     // TODO
 301     return FALSE;
 302 }
 303 #endif
 304
 305 bool wxVariantDataStringList::Read(wxString& WXUNUSED(str))
 306 {
 307     wxFAIL_MSG(wxT("Unimplemented"));
 308     // TODO
 309     return FALSE;
 310 }
 311
 312 /*
 313  * wxVariantDataLong
 314  */
 315
 316 class WXDLLEXPORT 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 WXDLLEXPORT 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 (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("%.4f"), 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 WXDLLEXPORT 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 WXDLLEXPORT 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[(size_t)0];
 716     return TRUE;
 717 }
 718
 719 /*
 720  * wxVariantDataString
 721  */
 722
 723 #if defined(__BORLANDC__) && defined(__WIN16__)
 724 // Change name because of truncation
 725 #define wxVariantDataString wxVariantStringData
 726 #endif
 727
 728 class WXDLLEXPORT wxVariantDataString: public wxVariantData
 729 {
 730 #if defined(__BORLANDC__) && defined(__WIN16__)
 731 DECLARE_DYNAMIC_CLASS(wxVariantStringData)
 732 #else
 733 DECLARE_DYNAMIC_CLASS(wxVariantDataString)
 734 #endif
 735 public:
 736     wxVariantDataString() { }
 737     wxVariantDataString(const wxString& value) { m_value = value; }
 738
 739     inline wxString GetValue() const { return m_value; }
 740     inline void SetValue(const wxString& value) { m_value = value; }
 741
 742     virtual void Copy(wxVariantData& data);
 743     virtual bool Eq(wxVariantData& data) const;
 744 #if wxUSE_STD_IOSTREAM
 745     virtual bool Write(wxSTD ostream& str) const;
 746 #endif
 747     virtual bool Read(wxString& str);
 748     virtual bool Write(wxString& str) const;
 749 #if wxUSE_STD_IOSTREAM
 750     virtual bool Read(wxSTD istream& str);
 751 #endif
 752 #if wxUSE_STREAMS
 753     virtual bool Read(wxInputStream& str);
 754     virtual bool Write(wxOutputStream& str) const;
 755 #endif // wxUSE_STREAMS
 756     virtual wxString GetType() const { return wxT("string"); };
 757
 758 protected:
 759     wxString m_value;
 760 };
 761
 762 void wxVariantDataString::Copy(wxVariantData& data)
 763 {
 764     wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Copy: Can't copy to this type of data") );
 765
 766     wxVariantDataString& otherData = (wxVariantDataString&) data;
 767
 768     otherData.m_value = m_value;
 769 }
 770
 771 bool wxVariantDataString::Eq(wxVariantData& data) const
 772 {
 773     wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Eq: argument mismatch") );
 774
 775     wxVariantDataString& otherData = (wxVariantDataString&) data;
 776
 777     return (otherData.m_value == m_value);
 778 }
 779
 780 #if wxUSE_STD_IOSTREAM
 781 bool wxVariantDataString::Write(wxSTD ostream& str) const
 782 {
 783     str << (const char*) m_value.mb_str();
 784     return TRUE;
 785 }
 786 #endif
 787
 788 bool wxVariantDataString::Write(wxString& str) const
 789 {
 790     str = m_value;
 791     return TRUE;
 792 }
 793
 794 #if wxUSE_STD_IOSTREAM
 795 bool wxVariantDataString::Read(wxSTD istream& str)
 796 {
 797     str >> m_value;
 798     return TRUE;
 799 }
 800 #endif
 801
 802 #if wxUSE_STREAMS
 803 bool wxVariantDataString::Write(wxOutputStream& str) const
 804 {
 805   // why doesn't wxOutputStream::operator<< take "const wxString&"
 806     wxTextOutputStream s(str);
 807     s.WriteString(m_value);
 808     return TRUE;
 809 }
 810
 811 bool wxVariantDataString::Read(wxInputStream& str)
 812 {
 813     wxTextInputStream s(str);
 814
 815     m_value = s.ReadString();
 816     return TRUE;
 817 }
 818 #endif // wxUSE_STREAMS
 819
 820 bool wxVariantDataString::Read(wxString& str)
 821 {
 822     m_value = str;
 823     return TRUE;
 824 }
 825
 826 #if defined(__BORLANDC__) && defined(__WIN16__)
 827 IMPLEMENT_DYNAMIC_CLASS(wxVariantStringData, wxVariantData)
 828 #else
 829 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataString, wxVariantData)
 830 #endif
 831
 832 /*
 833  * wxVariantDataTime
 834  */
 835
 836 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
 837 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
 838
 839 class wxVariantDataTime: public wxVariantData
 840 {
 841  DECLARE_DYNAMIC_CLASS(wxVariantDataTime)
 842 public:
 843     wxVariantDataTime() { }
 844     wxVariantDataTime(const wxTime& value) { m_value = value; }
 845
 846     inline wxTime GetValue() const { return m_value; }
 847     inline void SetValue(const wxTime& value) { m_value = value; }
 848
 849     virtual void Copy(wxVariantData& data);
 850     virtual bool Eq(wxVariantData& data) const;
 851 #if wxUSE_STD_IOSTREAM
 852     virtual bool Write(wxSTD ostream& str) const;
 853 #endif
 854     virtual bool Write(wxString& str) const;
 855 #if wxUSE_STD_IOSTREAM
 856     virtual bool Read(wxSTD istream& str);
 857 #endif
 858     virtual bool Read(wxString& str);
 859     virtual wxString GetType() const { return wxT("time"); };
 860         virtual wxVariantData* Clone() { return new wxVariantDataTime; }
 861
 862 protected:
 863     wxTime m_value;
 864 };
 865
 866 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataTime, wxVariantData)
 867
 868 void wxVariantDataTime::Copy(wxVariantData& data)
 869 {
 870     wxASSERT_MSG( (data.GetType() == wxT("time")), wxT("wxVariantDataTime::Copy: Can't copy to this type of data") );
 871
 872     wxVariantDataTime& otherData = (wxVariantDataTime&) data;
 873
 874     otherData.m_value = m_value;
 875 }
 876
 877 bool wxVariantDataTime::Eq(wxVariantData& data) const
 878 {
 879     wxASSERT_MSG( (data.GetType() == wxT("time")), wxT("wxVariantDataTime::Eq: argument mismatch") );
 880
 881     wxVariantDataTime& otherData = (wxVariantDataTime&) data;
 882
 883     return (otherData.m_value == m_value);
 884 }
 885
 886 #if wxUSE_STD_IOSTREAM
 887 bool wxVariantDataTime::Write(wxSTD ostream& str) const
 888 {
 889     wxString s;
 890     Write(s);
 891     str << (const char*) s.mb_str();
 892     return TRUE;
 893 }
 894 #endif
 895
 896 bool wxVariantDataTime::Write(wxString& str) const
 897 {
 898     wxChar*s = m_value.FormatTime();
 899     str = s;
 900     return TRUE;
 901 }
 902
 903 #if wxUSE_STD_IOSTREAM
 904 bool wxVariantDataTime::Read(wxSTD istream& WXUNUSED(str))
 905 {
 906     // Not implemented
 907     return FALSE;
 908 }
 909 #endif
 910
 911 bool wxVariantDataTime::Read(wxString& WXUNUSED(str))
 912 {
 913     // Not implemented
 914     return FALSE;
 915 }
 916
 917 /*
 918  * wxVariantDataDate
 919  */
 920
 921 class wxVariantDataDate: public wxVariantData
 922 {
 923  DECLARE_DYNAMIC_CLASS(wxVariantDataDate)
 924 public:
 925     wxVariantDataDate() { }
 926     wxVariantDataDate(const wxDate& value) { m_value = value; }
 927
 928     inline wxDate GetValue() const { return m_value; }
 929     inline void SetValue(const wxDate& value) { m_value = value; }
 930
 931     virtual void Copy(wxVariantData& data);
 932     virtual bool Eq(wxVariantData& data) const;
 933 #if wxUSE_STD_IOSTREAM
 934     virtual bool Write(wxSTD ostream& str) const;
 935 #endif
 936     virtual bool Write(wxString& str) const;
 937 #if wxUSE_STD_IOSTREAM
 938     virtual bool Read(wxSTD istream& str);
 939 #endif
 940     virtual bool Read(wxString& str);
 941     virtual wxString GetType() const { return wxT("date"); };
 942         virtual wxVariantData* Clone() { return new wxVariantDataDate; }
 943
 944 protected:
 945     wxDate m_value;
 946 };
 947
 948 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataDate, wxVariantData)
 949
 950 void wxVariantDataDate::Copy(wxVariantData& data)
 951 {
 952     wxASSERT_MSG( (data.GetType() == wxT("date")), wxT("wxVariantDataDate::Copy: Can't copy to this type of data") );
 953
 954     wxVariantDataDate& otherData = (wxVariantDataDate&) data;
 955
 956     otherData.m_value = m_value;
 957 }
 958
 959 bool wxVariantDataDate::Eq(wxVariantData& data) const
 960 {
 961     wxASSERT_MSG( (data.GetType() == wxT("date")), wxT("wxVariantDataDate::Eq: argument mismatch") );
 962
 963     wxVariantDataDate& otherData = (wxVariantDataDate&) data;
 964
 965     return (otherData.m_value == m_value);
 966 }
 967
 968 #if wxUSE_STD_IOSTREAM
 969 bool wxVariantDataDate::Write(wxSTD ostream& str) const
 970 {
 971     wxString s;
 972     Write(s);
 973     str << (const char*) s.mb_str();
 974     return TRUE;
 975 }
 976 #endif
 977
 978 bool wxVariantDataDate::Write(wxString& str) const
 979 {
 980     str = m_value.FormatDate();
 981     return TRUE;
 982 }
 983
 984 #if wxUSE_STD_IOSTREAM
 985 bool wxVariantDataDate::Read(wxSTD istream& WXUNUSED(str))
 986 {
 987     // Not implemented
 988     return FALSE;
 989 }
 990 #endif
 991
 992 bool wxVariantDataDate::Read(wxString& WXUNUSED(str))
 993 {
 994     // Not implemented
 995     return FALSE;
 996 }
 997 #endif
 998   // wxUSE_TIMEDATE
 999
1000 /*
1001  * wxVariantDataVoidPtr
1002  */
1003
1004 class wxVariantDataVoidPtr: public wxVariantData
1005 {
1006 DECLARE_DYNAMIC_CLASS(wxVariantDataVoidPtr)
1007 public:
1008     wxVariantDataVoidPtr() { }
1009     wxVariantDataVoidPtr(void* value) { m_value = value; }
1010
1011     inline void* GetValue() const { return m_value; }
1012     inline void SetValue(void* value) { m_value = value; }
1013
1014     virtual void Copy(wxVariantData& data);
1015     virtual bool Eq(wxVariantData& data) const;
1016 #if wxUSE_STD_IOSTREAM
1017     virtual bool Write(wxSTD ostream& str) const;
1018 #endif
1019     virtual bool Write(wxString& str) const;
1020 #if wxUSE_STD_IOSTREAM
1021     virtual bool Read(wxSTD istream& str);
1022 #endif
1023     virtual bool Read(wxString& str);
1024     virtual wxString GetType() const { return wxT("void*"); };
1025         virtual wxVariantData* Clone() { return new wxVariantDataVoidPtr; }
1026
1027 protected:
1028     void* m_value;
1029 };
1030
1031 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataVoidPtr, wxVariantData)
1032
1033 void wxVariantDataVoidPtr::Copy(wxVariantData& data)
1034 {
1035     wxASSERT_MSG( (data.GetType() == wxT("void*")), wxT("wxVariantDataVoidPtr::Copy: Can't copy to this type of data") );
1036
1037     wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
1038
1039     otherData.m_value = m_value;
1040 }
1041
1042 bool wxVariantDataVoidPtr::Eq(wxVariantData& data) const
1043 {
1044     wxASSERT_MSG( (data.GetType() == wxT("void*")), wxT("wxVariantDataVoidPtr::Eq: argument mismatch") );
1045
1046     wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
1047
1048     return (otherData.m_value == m_value);
1049 }
1050
1051 #if wxUSE_STD_IOSTREAM
1052 bool wxVariantDataVoidPtr::Write(wxSTD ostream& str) const
1053 {
1054     wxString s;
1055     Write(s);
1056     str << (const char*) s.mb_str();
1057     return TRUE;
1058 }
1059 #endif
1060
1061 bool wxVariantDataVoidPtr::Write(wxString& str) const
1062 {
1063     str.Printf(wxT("%ld"), (long) m_value);
1064     return TRUE;
1065 }
1066
1067 #if wxUSE_STD_IOSTREAM
1068 bool wxVariantDataVoidPtr::Read(wxSTD istream& WXUNUSED(str))
1069 {
1070     // Not implemented
1071     return FALSE;
1072 }
1073 #endif
1074
1075 bool wxVariantDataVoidPtr::Read(wxString& WXUNUSED(str))
1076 {
1077     // Not implemented
1078     return FALSE;
1079 }
1080
1081 /*
1082  * wxVariantDataDateTime
1083  */
1084
1085 class wxVariantDataDateTime: public wxVariantData
1086 {
1087     DECLARE_DYNAMIC_CLASS(wxVariantDataDateTime)
1088
1089 public:
1090     wxVariantDataDateTime() { }
1091     wxVariantDataDateTime(const wxDateTime& value) { m_value = value; }
1092 #if wxUSE_ODBC
1093     wxVariantDataDateTime(const TIME_STRUCT* valptr)
1094         { m_value = wxDateTime(valptr->hour, valptr->minute, valptr->second); }
1095     wxVariantDataDateTime(const DATE_STRUCT* valptr)
1096         { m_value = wxDateTime(valptr->day, (wxDateTime::Month) (valptr->month - 1),valptr->year); }
1097     wxVariantDataDateTime(const TIMESTAMP_STRUCT* valptr)
1098         { m_value = wxDateTime(valptr->day, (wxDateTime::Month) (valptr->month - 1), valptr->year,
1099                         valptr->hour, valptr->minute, valptr->second, valptr->fraction ); }
1100 #endif //ODBC
1101
1102     inline wxDateTime GetValue() const { return m_value; }
1103     inline void SetValue(const wxDateTime& value) { m_value = value; }
1104
1105     virtual void Copy(wxVariantData& data);
1106     virtual bool Eq(wxVariantData& data) const;
1107 #if wxUSE_STD_IOSTREAM
1108     virtual bool Write(wxSTD ostream& str) const;
1109 #endif
1110     virtual bool Write(wxString& str) const;
1111 #if wxUSE_STD_IOSTREAM
1112     virtual bool Read(wxSTD istream& str);
1113 #endif
1114     virtual bool Read(wxString& str);
1115     virtual wxString GetType() const { return wxT("datetime"); };
1116     virtual wxVariantData* Clone() { return new wxVariantDataDateTime; }
1117
1118 protected:
1119     wxDateTime m_value;
1120 };
1121
1122
1123 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataDateTime, wxVariantData)
1124
1125 void wxVariantDataDateTime::Copy(wxVariantData& data)
1126 {
1127     wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Copy: Can't copy to this type of data") );
1128
1129     wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
1130
1131     otherData.m_value = m_value;
1132 }
1133
1134
1135 bool wxVariantDataDateTime::Eq(wxVariantData& data) const
1136 {
1137     wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Eq: argument mismatch") );
1138
1139     wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
1140
1141     return (otherData.m_value == m_value);
1142 }
1143
1144
1145 #if wxUSE_STD_IOSTREAM
1146 bool wxVariantDataDateTime::Write(wxSTD ostream& str) const
1147 {
1148     // Not implemented
1149     return FALSE;
1150 }
1151 #endif
1152
1153
1154 bool wxVariantDataDateTime::Write(wxString& str) const
1155 {
1156     str = m_value.Format();
1157     return TRUE;
1158 }
1159
1160
1161 #if wxUSE_STD_IOSTREAM
1162 bool wxVariantDataDateTime::Read(wxSTD istream& WXUNUSED(str))
1163 {
1164     // Not implemented
1165     return FALSE;
1166 }
1167 #endif
1168
1169
1170 bool wxVariantDataDateTime::Read(wxString& str)
1171 {
1172     if(! m_value.ParseDateTime(str))
1173         return FALSE;
1174     return TRUE;
1175 }
1176
1177 // ----------------------------------------------------------------------------
1178 // wxVariantDataArrayString
1179 // ----------------------------------------------------------------------------
1180
1181 class wxVariantDataArrayString: public wxVariantData
1182 {
1183 public:
1184     wxVariantDataArrayString() { }
1185     wxVariantDataArrayString(const wxArrayString& value) { m_value = value; }
1186
1187     wxArrayString GetValue() const { return m_value; }
1188     void SetValue(const wxArrayString& value) { m_value = value; }
1189
1190     virtual void Copy(wxVariantData& data);
1191     virtual bool Eq(wxVariantData& data) const;
1192 #if wxUSE_STD_IOSTREAM
1193     virtual bool Write(wxSTD ostream& str) const;
1194 #endif
1195     virtual bool Write(wxString& str) const;
1196 #if wxUSE_STD_IOSTREAM
1197     virtual bool Read(wxSTD istream& str);
1198 #endif
1199     virtual bool Read(wxString& str);
1200     virtual wxString GetType() const { return wxT("arrstring"); };
1201     virtual wxVariantData* Clone() { return new wxVariantDataArrayString; }
1202
1203 protected:
1204     wxArrayString m_value;
1205
1206     DECLARE_DYNAMIC_CLASS(wxVariantDataArrayString)
1207 };
1208
1209 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataArrayString, wxVariantData)
1210
1211 void wxVariantDataArrayString::Copy(wxVariantData& data)
1212 {
1213     wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Copy: Can't copy to this type of data") );
1214
1215     wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;
1216
1217     otherData.m_value = m_value;
1218 }
1219
1220
1221 bool wxVariantDataArrayString::Eq(wxVariantData& data) const
1222 {
1223     wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Eq: argument mismatch") );
1224
1225     wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;
1226
1227     return otherData.m_value == m_value;
1228 }
1229
1230
1231 #if wxUSE_STD_IOSTREAM
1232 bool wxVariantDataArrayString::Write(wxSTD ostream& str) const
1233 {
1234     // Not implemented
1235     return FALSE;
1236 }
1237 #endif
1238
1239
1240 bool wxVariantDataArrayString::Write(wxString& str) const
1241 {
1242     size_t count = m_value.GetCount();
1243     for ( size_t n = 0; n < count; n++ )
1244     {
1245         if ( n )
1246             str += _T(';');
1247
1248         str += m_value[n];
1249     }
1250
1251     return TRUE;
1252 }
1253
1254
1255 #if wxUSE_STD_IOSTREAM
1256 bool wxVariantDataArrayString::Read(wxSTD istream& WXUNUSED(str))
1257 {
1258     // Not implemented
1259     return FALSE;
1260 }
1261 #endif
1262
1263
1264 bool wxVariantDataArrayString::Read(wxString& str)
1265 {
1266     wxStringTokenizer tk(str, _T(";"));
1267     while ( tk.HasMoreTokens() )
1268     {
1269         m_value.Add(tk.GetNextToken());
1270     }
1271
1272     return TRUE;
1273 }
1274
1275
1276
1277 /*
1278  * wxVariant
1279  */
1280
1281 IMPLEMENT_DYNAMIC_CLASS(wxVariant, wxObject)
1282
1283 // Construction & destruction
1284 wxVariant::wxVariant()
1285 {
1286     m_data = (wxVariantData*) NULL;
1287 }
1288
1289 wxVariant::wxVariant(double val, const wxString& name)
1290 {
1291     m_data = new wxVariantDataReal(val);
1292     m_name = name;
1293 }
1294
1295 wxVariant::wxVariant(long val, const wxString& name)
1296 {
1297     m_data = new wxVariantDataLong(val);
1298     m_name = name;
1299 }
1300
1301 #ifdef HAVE_BOOL
1302 wxVariant::wxVariant(bool val, const wxString& name)
1303 {
1304     m_data = new wxVariantDataBool(val);
1305     m_name = name;
1306 }
1307 #endif
1308
1309 wxVariant::wxVariant(char val, const wxString& name)
1310 {
1311     m_data = new wxVariantDataChar(val);
1312     m_name = name;
1313 }
1314
1315 wxVariant::wxVariant(const wxString& val, const wxString& name)
1316 {
1317     m_data = new wxVariantDataString(val);
1318     m_name = name;
1319 }
1320
1321 wxVariant::wxVariant(const wxChar* val, const wxString& name)
1322 {
1323     m_data = new wxVariantDataString(wxString(val));
1324     m_name = name;
1325 }
1326
1327 wxVariant::wxVariant(const wxStringList& val, const wxString& name)
1328 {
1329     m_data = new wxVariantDataStringList(val);
1330     m_name = name;
1331 }
1332
1333 wxVariant::wxVariant(const wxList& val, const wxString& name) // List of variants
1334 {
1335     m_data = new wxVariantDataList(val);
1336     m_name = name;
1337 }
1338
1339 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
1340 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
1341 wxVariant::wxVariant(const wxTime& val, const wxString& name) // Time
1342 {
1343     m_data = new wxVariantDataTime(val);
1344     m_name = name;
1345 }
1346
1347 wxVariant::wxVariant(const wxDate& val, const wxString& name) // Date
1348 {
1349     m_data = new wxVariantDataDate(val);
1350     m_name = name;
1351 }
1352 #endif
1353
1354 wxVariant::wxVariant(void* val, const wxString& name) // Void ptr
1355 {
1356     m_data = new wxVariantDataVoidPtr(val);
1357     m_name = name;
1358 }
1359
1360 wxVariant::wxVariant(const wxDateTime& val, const wxString& name) // Date
1361 {
1362     m_data = new wxVariantDataDateTime(val);
1363     m_name = name;
1364 }
1365
1366 #if wxUSE_ODBC
1367 wxVariant::wxVariant(const TIME_STRUCT* valptr, const wxString& name) // Date
1368 {
1369     m_data = new wxVariantDataDateTime(valptr);
1370     m_name = name;
1371 }
1372
1373 wxVariant::wxVariant(const TIMESTAMP_STRUCT* valptr, const wxString& name) // Date
1374 {
1375     m_data = new wxVariantDataDateTime(valptr);
1376     m_name = name;
1377 }
1378
1379 wxVariant::wxVariant(const DATE_STRUCT* valptr, const wxString& name) // Date
1380 {
1381     m_data = new wxVariantDataDateTime(valptr);
1382     m_name = name;
1383 }
1384 #endif // wxUSE_ODBC
1385
1386 wxVariant::wxVariant(const wxArrayString& val, const wxString& name) // Strings
1387 {
1388     m_data = new wxVariantDataArrayString(val);
1389     m_name = name;
1390 }
1391
1392 wxVariant::wxVariant(const wxVariant& variant)
1393 {
1394     if (!variant.IsNull())
1395     {
1396         m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
1397         variant.m_data->Copy(*m_data);
1398     }
1399     else
1400         m_data = (wxVariantData*) NULL;
1401     m_name = variant.m_name;
1402 }
1403
1404 wxVariant::wxVariant(wxVariantData* data, const wxString& name) // User-defined data
1405 {
1406     m_data = data;
1407     m_name = name;
1408 }
1409
1410 wxVariant::~wxVariant()
1411 {
1412     delete m_data;
1413 }
1414
1415
1416 // Make NULL (i.e. delete the data)
1417 void wxVariant::MakeNull()
1418 {
1419     delete m_data;
1420     m_data = NULL;
1421 }
1422
1423 // Generic operators
1424 // Assignment
1425 void wxVariant::operator= (const wxVariant& variant)
1426 {
1427     if (variant.IsNull())
1428     {
1429         MakeNull();
1430         return;
1431     }
1432
1433     if (IsNull() || (GetType() != variant.GetType()))
1434     {
1435         if (m_data)
1436             delete m_data;
1437         m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
1438     }
1439
1440     variant.GetData()->Copy(* GetData());
1441
1442     m_name = variant.m_name;
1443 }
1444
1445 // Assignment using data, e.g.
1446 // myVariant = new wxStringVariantData("hello")
1447 void wxVariant::operator= (wxVariantData* variantData)
1448 {
1449     MakeNull();
1450     m_data = variantData;
1451 }
1452
1453 bool wxVariant::operator== (const wxVariant& variant) const
1454 {
1455     if (IsNull() || variant.IsNull())
1456         return (IsNull() == variant.IsNull());
1457
1458     return (GetData()->Eq(* variant.GetData()));
1459 }
1460
1461 bool wxVariant::operator!= (const wxVariant& variant) const
1462 {
1463     return (!(*this == variant));
1464 }
1465
1466
1467 // Specific operators
1468 bool wxVariant::operator== (double value) const
1469 {
1470     double thisValue;
1471     if (!Convert(&thisValue))
1472         return FALSE;
1473     else
1474         return (value == thisValue);
1475 }
1476
1477 bool wxVariant::operator!= (double value) const
1478 {
1479     return (!((*this) == value));
1480 }
1481
1482 void wxVariant::operator= (double value)
1483 {
1484     if (GetType() == wxT("double"))
1485     {
1486         ((wxVariantDataReal*)GetData())->SetValue(value);
1487     }
1488     else
1489     {
1490         if (m_data)
1491             delete m_data;
1492         m_data = new wxVariantDataReal(value);
1493     }
1494 }
1495
1496 bool wxVariant::operator== (long value) const
1497 {
1498     long thisValue;
1499     if (!Convert(&thisValue))
1500         return FALSE;
1501     else
1502         return (value == thisValue);
1503 }
1504
1505 bool wxVariant::operator!= (long value) const
1506 {
1507     return (!((*this) == value));
1508 }
1509
1510 void wxVariant::operator= (long value)
1511 {
1512     if (GetType() == wxT("long"))
1513     {
1514         ((wxVariantDataLong*)GetData())->SetValue(value);
1515     }
1516     else
1517     {
1518         if (m_data)
1519             delete m_data;
1520         m_data = new wxVariantDataLong(value);
1521     }
1522 }
1523
1524 bool wxVariant::operator== (char value) const
1525 {
1526     char thisValue;
1527     if (!Convert(&thisValue))
1528         return FALSE;
1529     else
1530         return (value == thisValue);
1531 }
1532
1533 bool wxVariant::operator!= (char value) const
1534 {
1535     return (!((*this) == value));
1536 }
1537
1538 void wxVariant::operator= (char value)
1539 {
1540     if (GetType() == wxT("char"))
1541     {
1542         ((wxVariantDataChar*)GetData())->SetValue(value);
1543     }
1544     else
1545     {
1546         if (m_data)
1547             delete m_data;
1548         m_data = new wxVariantDataChar(value);
1549     }
1550 }
1551
1552 #ifdef HAVE_BOOL
1553 bool wxVariant::operator== (bool value) const
1554 {
1555     bool thisValue;
1556     if (!Convert(&thisValue))
1557         return FALSE;
1558     else
1559         return (value == thisValue);
1560 }
1561
1562 bool wxVariant::operator!= (bool value) const
1563 {
1564     return (!((*this) == value));
1565 }
1566
1567 void wxVariant::operator= (bool value)
1568 {
1569     if (GetType() == wxT("bool"))
1570     {
1571         ((wxVariantDataBool*)GetData())->SetValue(value);
1572     }
1573     else
1574     {
1575         if (m_data)
1576             delete m_data;
1577         m_data = new wxVariantDataBool(value);
1578     }
1579 }
1580 #endif // HAVE_BOOL
1581
1582 bool wxVariant::operator== (const wxString& value) const
1583 {
1584     wxString thisValue;
1585     if (!Convert(&thisValue))
1586         return FALSE;
1587
1588     return value == thisValue;
1589 }
1590
1591 bool wxVariant::operator!= (const wxString& value) const
1592 {
1593     return (!((*this) == value));
1594 }
1595
1596 void wxVariant::operator= (const wxString& value)
1597 {
1598     if (GetType() == wxT("string"))
1599     {
1600         ((wxVariantDataString*)GetData())->SetValue(value);
1601     }
1602     else
1603     {
1604         if (m_data)
1605             delete m_data;
1606         m_data = new wxVariantDataString(value);
1607     }
1608 }
1609
1610 void wxVariant::operator= (const wxChar* value)
1611 {
1612     if (GetType() == wxT("string"))
1613     {
1614         ((wxVariantDataString*)GetData())->SetValue(wxString(value));
1615     }
1616     else
1617     {
1618         if (m_data)
1619             delete m_data;
1620         m_data = new wxVariantDataString(wxString(value));
1621     }
1622 }
1623
1624 bool wxVariant::operator== (const wxStringList& value) const
1625 {
1626     wxASSERT_MSG( (GetType() == wxT("stringlist")), wxT("Invalid type for == operator") );
1627
1628     wxVariantDataStringList other(value);
1629     return (m_data->Eq(other));
1630 }
1631
1632 bool wxVariant::operator!= (const wxStringList& value) const
1633 {
1634     return (!((*this) == value));
1635 }
1636
1637 void wxVariant::operator= (const wxStringList& value)
1638 {
1639     if (GetType() == wxT("stringlist"))
1640     {
1641         ((wxVariantDataStringList*)GetData())->SetValue(value);
1642     }
1643     else
1644     {
1645         if (m_data)
1646             delete m_data;
1647         m_data = new wxVariantDataStringList(value);
1648     }
1649 }
1650
1651 bool wxVariant::operator== (const wxList& value) const
1652 {
1653     wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for == operator") );
1654
1655     wxVariantDataList other(value);
1656     return (m_data->Eq(other));
1657 }
1658
1659 bool wxVariant::operator!= (const wxList& value) const
1660 {
1661     return (!((*this) == value));
1662 }
1663
1664 void wxVariant::operator= (const wxList& value)
1665 {
1666     if (GetType() == wxT("list"))
1667     {
1668         ((wxVariantDataList*)GetData())->SetValue(value);
1669     }
1670     else
1671     {
1672         if (m_data)
1673             delete m_data;
1674         m_data = new wxVariantDataList(value);
1675     }
1676 }
1677
1678 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
1679 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
1680 bool wxVariant::operator== (const wxTime& value) const
1681 {
1682     wxTime thisValue;
1683     if (!Convert(&thisValue))
1684         return FALSE;
1685
1686     return value == thisValue;
1687 }
1688
1689 bool wxVariant::operator!= (const wxTime& value) const
1690 {
1691     return (!((*this) == value));
1692 }
1693
1694 void wxVariant::operator= (const wxTime& value)
1695 {
1696     if (GetType() == wxT("time"))
1697     {
1698         ((wxVariantDataTime*)GetData())->SetValue(value);
1699     }
1700     else
1701     {
1702         if (m_data)
1703             delete m_data;
1704         m_data = new wxVariantDataTime(value);
1705     }
1706 }
1707
1708 bool wxVariant::operator== (const wxDate& value) const
1709 {
1710     wxDate thisValue;
1711     if (!Convert(&thisValue))
1712         return FALSE;
1713
1714     return (value == thisValue);
1715 }
1716
1717 bool wxVariant::operator!= (const wxDate& value) const
1718 {
1719     return (!((*this) == value));
1720 }
1721
1722 void wxVariant::operator= (const wxDate& value)
1723 {
1724     if (GetType() == wxT("date"))
1725     {
1726         ((wxVariantDataTime*)GetData())->SetValue(value);
1727     }
1728     else
1729     {
1730         if (m_data)
1731             delete m_data;
1732         m_data = new wxVariantDataDate(value);
1733     }
1734 }
1735 #endif
1736
1737 bool wxVariant::operator== (void* value) const
1738 {
1739     return (value == ((wxVariantDataVoidPtr*)GetData())->GetValue());
1740 }
1741
1742 bool wxVariant::operator!= (void* value) const
1743 {
1744     return (!((*this) == (void*) value));
1745 }
1746
1747 void wxVariant::operator= (void* value)
1748 {
1749     if (GetType() == wxT("void*"))
1750     {
1751         ((wxVariantDataVoidPtr*)GetData())->SetValue(value);
1752     }
1753     else
1754     {
1755         if (m_data)
1756             delete m_data;
1757         m_data = new wxVariantDataVoidPtr(value);
1758     }
1759 }
1760
1761 bool wxVariant::operator== (const wxDateTime& value) const
1762 {
1763     wxDateTime thisValue;
1764     if (!Convert(&thisValue))
1765         return FALSE;
1766
1767     return value.IsEqualTo(thisValue);
1768 }
1769
1770 bool wxVariant::operator!= (const wxDateTime& value) const
1771 {
1772     return (!((*this) == value));
1773 }
1774
1775 void wxVariant::operator= (const wxDateTime& value)
1776 {
1777     if (GetType() == wxT("datetime"))
1778     {
1779         ((wxVariantDataDateTime*)GetData())->SetValue(value);
1780     }
1781     else
1782     {
1783         if (m_data)
1784             delete m_data;
1785         m_data = new wxVariantDataDateTime(value);
1786     }
1787 }
1788
1789 #if wxUSE_ODBC
1790 void wxVariant::operator= (const DATE_STRUCT* value)
1791 {
1792     if (m_data)
1793         delete m_data;
1794     m_data = new wxVariantDataDateTime(value);
1795 }
1796
1797
1798 void wxVariant::operator= (const TIME_STRUCT* value)
1799 {
1800     if (m_data)
1801         delete m_data;
1802     m_data = new wxVariantDataDateTime(value);
1803 }
1804
1805
1806 void wxVariant::operator= (const TIMESTAMP_STRUCT* value)
1807 {
1808     if (m_data)
1809         delete m_data;
1810     m_data = new wxVariantDataDateTime(value);
1811 }
1812
1813 #endif // wxUSE_ODBC
1814
1815 bool wxVariant::operator==(const wxArrayString& WXUNUSED(value)) const
1816 {
1817     wxFAIL_MSG( _T("TODO") );
1818
1819     return FALSE;
1820 }
1821
1822 bool wxVariant::operator!=(const wxArrayString& value) const
1823 {
1824     return !(*this == value);
1825 }
1826
1827 void wxVariant::operator=(const wxArrayString& value)
1828 {
1829     if (GetType() == wxT("arrstring"))
1830     {
1831         ((wxVariantDataArrayString *)GetData())->SetValue(value);
1832     }
1833     else
1834     {
1835         delete m_data;
1836         m_data = new wxVariantDataArrayString(value);
1837     }
1838 }
1839
1840 wxArrayString wxVariant::GetArrayString() const
1841 {
1842     if ( GetType() == wxT("arrstring") )
1843         return ((wxVariantDataArrayString *)GetData())->GetValue();
1844
1845     return wxArrayString();
1846 }
1847
1848
1849 // Treat a list variant as an array
1850 wxVariant wxVariant::operator[] (size_t idx) const
1851 {
1852     wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for array operator") );
1853
1854     if (GetType() == wxT("list"))
1855     {
1856         wxVariantDataList* data = (wxVariantDataList*) m_data;
1857         wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), wxT("Invalid index for array") );
1858         return * (wxVariant*) (data->GetValue().Nth(idx)->Data());
1859     }
1860     else if (GetType() == wxT("stringlist"))
1861     {
1862         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1863         wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), wxT("Invalid index for array") );
1864
1865         wxVariant variant( wxString( (wxChar*) (data->GetValue().Nth(idx)->Data()) ));
1866         return variant;
1867     }
1868     return wxNullVariant;
1869 }
1870
1871 wxVariant& wxVariant::operator[] (size_t idx)
1872 {
1873     // We can't return a reference to a variant for a string list, since the string
1874     // is actually stored as a char*, not a variant.
1875
1876     wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for array operator") );
1877
1878     wxVariantDataList* data = (wxVariantDataList*) m_data;
1879     wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), wxT("Invalid index for array") );
1880
1881     return * (wxVariant*) (data->GetValue().Nth(idx)->Data());
1882 }
1883
1884 // Return the number of elements in a list
1885 int wxVariant::GetCount() const
1886 {
1887     wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for GetCount()") );
1888
1889     if (GetType() == wxT("list"))
1890     {
1891         wxVariantDataList* data = (wxVariantDataList*) m_data;
1892         return data->GetValue().Number();
1893     }
1894     else if (GetType() == wxT("stringlist"))
1895     {
1896         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1897         return data->GetValue().Number();
1898     }
1899     return 0;
1900 }
1901
1902 wxString wxVariant::MakeString() const
1903 {
1904     if (!IsNull())
1905     {
1906         wxString str;
1907         if (GetData()->Write(str))
1908             return str;
1909     }
1910     return wxString(wxT(""));
1911 }
1912
1913 // Accessors
1914
1915 void wxVariant::SetData(wxVariantData* data)
1916 {
1917     if (m_data) delete m_data;
1918     m_data = data;
1919 }
1920
1921
1922 // Returns a string representing the type of the variant,
1923 // e.g. "string", "bool", "stringlist", "list", "double", "long"
1924 wxString wxVariant::GetType() const
1925 {
1926     if (IsNull())
1927         return wxString(wxT("null"));
1928     else
1929         return m_data->GetType();
1930 }
1931
1932
1933 bool wxVariant::IsType(const wxString& type) const
1934 {
1935     return (GetType() == type);
1936 }
1937
1938
1939 // Value accessors
1940 double wxVariant::GetReal() const
1941 {
1942     double value;
1943     if (Convert(& value))
1944         return value;
1945     else
1946     {
1947         wxFAIL_MSG(wxT("Could not convert to a real number"));
1948         return 0.0;
1949     }
1950 }
1951
1952 long wxVariant::GetInteger() const
1953 {
1954     long value;
1955     if (Convert(& value))
1956         return value;
1957     else
1958     {
1959         wxFAIL_MSG(wxT("Could not convert to an integer"));
1960         return 0;
1961     }
1962 }
1963
1964 char wxVariant::GetChar() const
1965 {
1966     char value;
1967     if (Convert(& value))
1968         return value;
1969     else
1970     {
1971         wxFAIL_MSG(wxT("Could not convert to a char"));
1972         return 0;
1973     }
1974 }
1975
1976 bool wxVariant::GetBool() const
1977 {
1978     bool value;
1979     if (Convert(& value))
1980         return value;
1981     else
1982     {
1983         wxFAIL_MSG(wxT("Could not convert to a bool"));
1984         return 0;
1985     }
1986 }
1987
1988 wxString wxVariant::GetString() const
1989 {
1990     wxString value;
1991     if (!Convert(& value))
1992     {
1993         wxFAIL_MSG(wxT("Could not convert to a string"));
1994     }
1995
1996     return value;
1997 }
1998
1999 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
2000 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
2001 wxTime wxVariant::GetTime() const
2002 {
2003     wxTime value;
2004     if (!Convert(& value))
2005     {
2006         wxFAIL_MSG(wxT("Could not convert to a time"));
2007     }
2008
2009     return value;
2010 }
2011
2012 wxDate wxVariant::GetDate() const
2013 {
2014     wxDate value;
2015     if (!Convert(& value))
2016     {
2017         wxFAIL_MSG(wxT("Could not convert to a date"));
2018     }
2019
2020     return value;
2021 }
2022 #endif // wxUSE_TIMEDATE
2023
2024 void* wxVariant::GetVoidPtr() const
2025 {
2026     wxASSERT( (GetType() == wxT("void*")) );
2027
2028     return (void*) ((wxVariantDataVoidPtr*) m_data)->GetValue();
2029 }
2030
2031 wxDateTime wxVariant::GetDateTime() const
2032 {
2033     wxDateTime value;
2034     if (!Convert(& value))
2035     {
2036         wxFAIL_MSG(wxT("Could not convert to a datetime"));
2037     }
2038
2039     return value;
2040 }
2041
2042 wxList& wxVariant::GetList() const
2043 {
2044     wxASSERT( (GetType() == wxT("list")) );
2045
2046     return (wxList&) ((wxVariantDataList*) m_data)->GetValue();
2047 }
2048
2049 wxStringList& wxVariant::GetStringList() const
2050 {
2051     wxASSERT( (GetType() == wxT("stringlist")) );
2052
2053     return (wxStringList&) ((wxVariantDataStringList*) m_data)->GetValue();
2054 }
2055
2056 // Append to list
2057 void wxVariant::Append(const wxVariant& value)
2058 {
2059     wxList& list = GetList();
2060
2061     list.Append(new wxVariant(value));
2062 }
2063
2064 // Insert at front of list
2065 void wxVariant::Insert(const wxVariant& value)
2066 {
2067     wxList& list = GetList();
2068
2069     list.Insert(new wxVariant(value));
2070 }
2071
2072 // Returns TRUE if the variant is a member of the list
2073 bool wxVariant::Member(const wxVariant& value) const
2074 {
2075     wxList& list = GetList();
2076
2077     wxNode* node = list.First();
2078     while (node)
2079     {
2080         wxVariant* other = (wxVariant*) node->Data();
2081         if (value == *other)
2082             return TRUE;
2083         node = node->Next();
2084     }
2085     return FALSE;
2086 }
2087
2088 // Deletes the nth element of the list
2089 bool wxVariant::Delete(int item)
2090 {
2091     wxList& list = GetList();
2092
2093     wxASSERT_MSG( (item < list.Number()), wxT("Invalid index to Delete") );
2094     wxNode* node = list.Nth(item);
2095     wxVariant* variant = (wxVariant*) node->Data();
2096     delete variant;
2097     delete node;
2098     return TRUE;
2099 }
2100
2101 // Clear list
2102 void wxVariant::ClearList()
2103 {
2104     if (!IsNull() && (GetType() == wxT("list")))
2105     {
2106         ((wxVariantDataList*) m_data)->Clear();
2107     }
2108     else
2109     {
2110         if (GetType() != wxT("list"))
2111         {
2112             delete m_data;
2113             m_data = NULL;
2114         }
2115         m_data = new wxVariantDataList;
2116     }
2117 }
2118
2119 // Type conversion
2120 bool wxVariant::Convert(long* value) const
2121 {
2122     wxString type(GetType());
2123     if (type == wxT("double"))
2124         *value = (long) (((wxVariantDataReal*)GetData())->GetValue());
2125     else if (type == wxT("long"))
2126         *value = ((wxVariantDataLong*)GetData())->GetValue();
2127 #ifdef HAVE_BOOL
2128     else if (type == wxT("bool"))
2129         *value = (long) (((wxVariantDataBool*)GetData())->GetValue());
2130 #endif
2131     else if (type == wxT("string"))
2132         *value = wxAtol((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
2133     else
2134         return FALSE;
2135
2136     return TRUE;
2137 }
2138
2139 bool wxVariant::Convert(bool* value) const
2140 {
2141     wxString type(GetType());
2142     if (type == wxT("double"))
2143         *value = ((int) (((wxVariantDataReal*)GetData())->GetValue()) != 0);
2144     else if (type == wxT("long"))
2145         *value = (((wxVariantDataLong*)GetData())->GetValue() != 0);
2146 #ifdef HAVE_BOOL
2147     else if (type == wxT("bool"))
2148         *value = ((wxVariantDataBool*)GetData())->GetValue();
2149 #endif
2150     else if (type == wxT("string"))
2151     {
2152         wxString val(((wxVariantDataString*)GetData())->GetValue());
2153         val.MakeLower();
2154         if (val == wxT("true") || val == wxT("yes"))
2155             *value = TRUE;
2156         else if (val == wxT("false") || val == wxT("no"))
2157             *value = FALSE;
2158         else
2159             return FALSE;
2160     }
2161     else
2162         return FALSE;
2163
2164     return TRUE;
2165 }
2166
2167 bool wxVariant::Convert(double* value) const
2168 {
2169     wxString type(GetType());
2170     if (type == wxT("double"))
2171         *value = ((wxVariantDataReal*)GetData())->GetValue();
2172     else if (type == wxT("long"))
2173         *value = (double) (((wxVariantDataLong*)GetData())->GetValue());
2174 #ifdef HAVE_BOOL
2175     else if (type == wxT("bool"))
2176         *value = (double) (((wxVariantDataBool*)GetData())->GetValue());
2177 #endif
2178     else if (type == wxT("string"))
2179         *value = (double) wxAtof((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
2180     else
2181         return FALSE;
2182
2183     return TRUE;
2184 }
2185
2186 bool wxVariant::Convert(char* value) const
2187 {
2188     wxString type(GetType());
2189     if (type == wxT("char"))
2190         *value = ((wxVariantDataChar*)GetData())->GetValue();
2191     else if (type == wxT("long"))
2192         *value = (char) (((wxVariantDataLong*)GetData())->GetValue());
2193 #ifdef HAVE_BOOL
2194     else if (type == wxT("bool"))
2195         *value = (char) (((wxVariantDataBool*)GetData())->GetValue());
2196 #endif
2197     else
2198         return FALSE;
2199
2200     return TRUE;
2201 }
2202
2203 bool wxVariant::Convert(wxString* value) const
2204 {
2205     *value = MakeString();
2206     return TRUE;
2207 }
2208
2209 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
2210 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
2211 bool wxVariant::Convert(wxTime* value) const
2212 {
2213     wxString type(GetType());
2214     if (type == wxT("time"))
2215         *value = ((wxVariantDataTime*)GetData())->GetValue();
2216     else if (type == wxT("date"))
2217         *value = wxTime(((wxVariantDataDate*)GetData())->GetValue());
2218     else
2219         return FALSE;
2220
2221     return TRUE;
2222 }
2223
2224 bool wxVariant::Convert(wxDate* value) const
2225 {
2226     wxString type(GetType());
2227     if (type == wxT("date"))
2228         *value = ((wxVariantDataDate*)GetData())->GetValue();
2229     else
2230         return FALSE;
2231
2232     return TRUE;
2233 }
2234 #endif // wxUSE_TIMEDATE
2235
2236 bool wxVariant::Convert(wxDateTime* value) const
2237 {
2238     wxString type(GetType());
2239     if (type == wxT("datetime"))
2240         *value = ((wxVariantDataDateTime*)GetData())->GetValue();
2241     else
2242         return FALSE;
2243
2244     return TRUE;
2245 }