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 //    GetData()->Copy(* variant.GetData());
1440     variant.GetData()->Copy(* GetData());
1441 }
1442
1443 // Assignment using data, e.g.
1444 // myVariant = new wxStringVariantData("hello")
1445 void wxVariant::operator= (wxVariantData* variantData)
1446 {
1447     MakeNull();
1448     m_data = variantData;
1449 }
1450
1451 bool wxVariant::operator== (const wxVariant& variant) const
1452 {
1453     if (IsNull() || variant.IsNull())
1454         return (IsNull() == variant.IsNull());
1455
1456     return (GetData()->Eq(* variant.GetData()));
1457 }
1458
1459 bool wxVariant::operator!= (const wxVariant& variant) const
1460 {
1461     return (!(*this == variant));
1462 }
1463
1464
1465 // Specific operators
1466 bool wxVariant::operator== (double value) const
1467 {
1468     double thisValue;
1469     if (!Convert(&thisValue))
1470         return FALSE;
1471     else
1472         return (value == thisValue);
1473 }
1474
1475 bool wxVariant::operator!= (double value) const
1476 {
1477     return (!((*this) == value));
1478 }
1479
1480 void wxVariant::operator= (double value)
1481 {
1482     if (GetType() == wxT("double"))
1483     {
1484         ((wxVariantDataReal*)GetData())->SetValue(value);
1485     }
1486     else
1487     {
1488         if (m_data)
1489             delete m_data;
1490         m_data = new wxVariantDataReal(value);
1491     }
1492 }
1493
1494 bool wxVariant::operator== (long value) const
1495 {
1496     long thisValue;
1497     if (!Convert(&thisValue))
1498         return FALSE;
1499     else
1500         return (value == thisValue);
1501 }
1502
1503 bool wxVariant::operator!= (long value) const
1504 {
1505     return (!((*this) == value));
1506 }
1507
1508 void wxVariant::operator= (long value)
1509 {
1510     if (GetType() == wxT("long"))
1511     {
1512         ((wxVariantDataLong*)GetData())->SetValue(value);
1513     }
1514     else
1515     {
1516         if (m_data)
1517             delete m_data;
1518         m_data = new wxVariantDataLong(value);
1519     }
1520 }
1521
1522 bool wxVariant::operator== (char value) const
1523 {
1524     char thisValue;
1525     if (!Convert(&thisValue))
1526         return FALSE;
1527     else
1528         return (value == thisValue);
1529 }
1530
1531 bool wxVariant::operator!= (char value) const
1532 {
1533     return (!((*this) == value));
1534 }
1535
1536 void wxVariant::operator= (char value)
1537 {
1538     if (GetType() == wxT("char"))
1539     {
1540         ((wxVariantDataChar*)GetData())->SetValue(value);
1541     }
1542     else
1543     {
1544         if (m_data)
1545             delete m_data;
1546         m_data = new wxVariantDataChar(value);
1547     }
1548 }
1549
1550 #ifdef HAVE_BOOL
1551 bool wxVariant::operator== (bool value) const
1552 {
1553     bool thisValue;
1554     if (!Convert(&thisValue))
1555         return FALSE;
1556     else
1557         return (value == thisValue);
1558 }
1559
1560 bool wxVariant::operator!= (bool value) const
1561 {
1562     return (!((*this) == value));
1563 }
1564
1565 void wxVariant::operator= (bool value)
1566 {
1567     if (GetType() == wxT("bool"))
1568     {
1569         ((wxVariantDataBool*)GetData())->SetValue(value);
1570     }
1571     else
1572     {
1573         if (m_data)
1574             delete m_data;
1575         m_data = new wxVariantDataBool(value);
1576     }
1577 }
1578 #endif // HAVE_BOOL
1579
1580 bool wxVariant::operator== (const wxString& value) const
1581 {
1582     wxString thisValue;
1583     if (!Convert(&thisValue))
1584         return FALSE;
1585
1586     return value == thisValue;
1587 }
1588
1589 bool wxVariant::operator!= (const wxString& value) const
1590 {
1591     return (!((*this) == value));
1592 }
1593
1594 void wxVariant::operator= (const wxString& value)
1595 {
1596     if (GetType() == wxT("string"))
1597     {
1598         ((wxVariantDataString*)GetData())->SetValue(value);
1599     }
1600     else
1601     {
1602         if (m_data)
1603             delete m_data;
1604         m_data = new wxVariantDataString(value);
1605     }
1606 }
1607
1608 void wxVariant::operator= (const wxChar* value)
1609 {
1610     if (GetType() == wxT("string"))
1611     {
1612         ((wxVariantDataString*)GetData())->SetValue(wxString(value));
1613     }
1614     else
1615     {
1616         if (m_data)
1617             delete m_data;
1618         m_data = new wxVariantDataString(wxString(value));
1619     }
1620 }
1621
1622 bool wxVariant::operator== (const wxStringList& value) const
1623 {
1624     wxASSERT_MSG( (GetType() == wxT("stringlist")), wxT("Invalid type for == operator") );
1625
1626     wxVariantDataStringList other(value);
1627     return (m_data->Eq(other));
1628 }
1629
1630 bool wxVariant::operator!= (const wxStringList& value) const
1631 {
1632     return (!((*this) == value));
1633 }
1634
1635 void wxVariant::operator= (const wxStringList& value)
1636 {
1637     if (GetType() == wxT("stringlist"))
1638     {
1639         ((wxVariantDataStringList*)GetData())->SetValue(value);
1640     }
1641     else
1642     {
1643         if (m_data)
1644             delete m_data;
1645         m_data = new wxVariantDataStringList(value);
1646     }
1647 }
1648
1649 bool wxVariant::operator== (const wxList& value) const
1650 {
1651     wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for == operator") );
1652
1653     wxVariantDataList other(value);
1654     return (m_data->Eq(other));
1655 }
1656
1657 bool wxVariant::operator!= (const wxList& value) const
1658 {
1659     return (!((*this) == value));
1660 }
1661
1662 void wxVariant::operator= (const wxList& value)
1663 {
1664     if (GetType() == wxT("list"))
1665     {
1666         ((wxVariantDataList*)GetData())->SetValue(value);
1667     }
1668     else
1669     {
1670         if (m_data)
1671             delete m_data;
1672         m_data = new wxVariantDataList(value);
1673     }
1674 }
1675
1676 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
1677 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
1678 bool wxVariant::operator== (const wxTime& value) const
1679 {
1680     wxTime thisValue;
1681     if (!Convert(&thisValue))
1682         return FALSE;
1683
1684     return value == thisValue;
1685 }
1686
1687 bool wxVariant::operator!= (const wxTime& value) const
1688 {
1689     return (!((*this) == value));
1690 }
1691
1692 void wxVariant::operator= (const wxTime& value)
1693 {
1694     if (GetType() == wxT("time"))
1695     {
1696         ((wxVariantDataTime*)GetData())->SetValue(value);
1697     }
1698     else
1699     {
1700         if (m_data)
1701             delete m_data;
1702         m_data = new wxVariantDataTime(value);
1703     }
1704 }
1705
1706 bool wxVariant::operator== (const wxDate& value) const
1707 {
1708     wxDate thisValue;
1709     if (!Convert(&thisValue))
1710         return FALSE;
1711
1712     return (value == thisValue);
1713 }
1714
1715 bool wxVariant::operator!= (const wxDate& value) const
1716 {
1717     return (!((*this) == value));
1718 }
1719
1720 void wxVariant::operator= (const wxDate& value)
1721 {
1722     if (GetType() == wxT("date"))
1723     {
1724         ((wxVariantDataTime*)GetData())->SetValue(value);
1725     }
1726     else
1727     {
1728         if (m_data)
1729             delete m_data;
1730         m_data = new wxVariantDataDate(value);
1731     }
1732 }
1733 #endif
1734
1735 bool wxVariant::operator== (void* value) const
1736 {
1737     return (value == ((wxVariantDataVoidPtr*)GetData())->GetValue());
1738 }
1739
1740 bool wxVariant::operator!= (void* value) const
1741 {
1742     return (!((*this) == (void*) value));
1743 }
1744
1745 void wxVariant::operator= (void* value)
1746 {
1747     if (GetType() == wxT("void*"))
1748     {
1749         ((wxVariantDataVoidPtr*)GetData())->SetValue(value);
1750     }
1751     else
1752     {
1753         if (m_data)
1754             delete m_data;
1755         m_data = new wxVariantDataVoidPtr(value);
1756     }
1757 }
1758
1759 bool wxVariant::operator== (const wxDateTime& value) const
1760 {
1761     wxDateTime thisValue;
1762     if (!Convert(&thisValue))
1763         return FALSE;
1764
1765     return value.IsEqualTo(thisValue);
1766 }
1767
1768 bool wxVariant::operator!= (const wxDateTime& value) const
1769 {
1770     return (!((*this) == value));
1771 }
1772
1773 void wxVariant::operator= (const wxDateTime& value)
1774 {
1775     if (GetType() == wxT("datetime"))
1776     {
1777         ((wxVariantDataDateTime*)GetData())->SetValue(value);
1778     }
1779     else
1780     {
1781         if (m_data)
1782             delete m_data;
1783         m_data = new wxVariantDataDateTime(value);
1784     }
1785 }
1786
1787 #if wxUSE_ODBC
1788 void wxVariant::operator= (const DATE_STRUCT* value)
1789 {
1790     if (m_data)
1791         delete m_data;
1792     m_data = new wxVariantDataDateTime(value);
1793 }
1794
1795
1796 void wxVariant::operator= (const TIME_STRUCT* value)
1797 {
1798     if (m_data)
1799         delete m_data;
1800     m_data = new wxVariantDataDateTime(value);
1801 }
1802
1803
1804 void wxVariant::operator= (const TIMESTAMP_STRUCT* value)
1805 {
1806     if (m_data)
1807         delete m_data;
1808     m_data = new wxVariantDataDateTime(value);
1809 }
1810
1811 #endif // wxUSE_ODBC
1812
1813 bool wxVariant::operator==(const wxArrayString& value) const
1814 {
1815     wxFAIL_MSG( _T("TODO") );
1816
1817     return FALSE;
1818 }
1819
1820 bool wxVariant::operator!=(const wxArrayString& value) const
1821 {
1822     return !(*this == value);
1823 }
1824
1825 void wxVariant::operator=(const wxArrayString& value)
1826 {
1827     if (GetType() == wxT("arrstring"))
1828     {
1829         ((wxVariantDataArrayString *)GetData())->SetValue(value);
1830     }
1831     else
1832     {
1833         delete m_data;
1834         m_data = new wxVariantDataArrayString(value);
1835     }
1836 }
1837
1838 wxArrayString wxVariant::GetArrayString() const
1839 {
1840     if ( GetType() == wxT("arrstring") )
1841         return ((wxVariantDataArrayString *)GetData())->GetValue();
1842
1843     return wxArrayString();
1844 }
1845
1846
1847 // Treat a list variant as an array
1848 wxVariant wxVariant::operator[] (size_t idx) const
1849 {
1850     wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for array operator") );
1851
1852     if (GetType() == wxT("list"))
1853     {
1854         wxVariantDataList* data = (wxVariantDataList*) m_data;
1855         wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), wxT("Invalid index for array") );
1856         return * (wxVariant*) (data->GetValue().Nth(idx)->Data());
1857     }
1858     else if (GetType() == wxT("stringlist"))
1859     {
1860         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1861         wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), wxT("Invalid index for array") );
1862
1863         wxVariant variant( wxString( (wxChar*) (data->GetValue().Nth(idx)->Data()) ));
1864         return variant;
1865     }
1866     return wxNullVariant;
1867 }
1868
1869 wxVariant& wxVariant::operator[] (size_t idx)
1870 {
1871     // We can't return a reference to a variant for a string list, since the string
1872     // is actually stored as a char*, not a variant.
1873
1874     wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for array operator") );
1875
1876     wxVariantDataList* data = (wxVariantDataList*) m_data;
1877     wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), wxT("Invalid index for array") );
1878
1879     return * (wxVariant*) (data->GetValue().Nth(idx)->Data());
1880 }
1881
1882 // Return the number of elements in a list
1883 int wxVariant::GetCount() const
1884 {
1885     wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for GetCount()") );
1886
1887     if (GetType() == wxT("list"))
1888     {
1889         wxVariantDataList* data = (wxVariantDataList*) m_data;
1890         return data->GetValue().Number();
1891     }
1892     else if (GetType() == wxT("stringlist"))
1893     {
1894         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1895         return data->GetValue().Number();
1896     }
1897     return 0;
1898 }
1899
1900 wxString wxVariant::MakeString() const
1901 {
1902     if (!IsNull())
1903     {
1904         wxString str;
1905         if (GetData()->Write(str))
1906             return str;
1907     }
1908     return wxString(wxT(""));
1909 }
1910
1911 // Accessors
1912
1913 void wxVariant::SetData(wxVariantData* data)
1914 {
1915     if (m_data) delete m_data;
1916     m_data = data;
1917 }
1918
1919
1920 // Returns a string representing the type of the variant,
1921 // e.g. "string", "bool", "stringlist", "list", "double", "long"
1922 wxString wxVariant::GetType() const
1923 {
1924     if (IsNull())
1925         return wxString(wxT("null"));
1926     else
1927         return m_data->GetType();
1928 }
1929
1930
1931 bool wxVariant::IsType(const wxString& type) const
1932 {
1933     return (GetType() == type);
1934 }
1935
1936
1937 // Value accessors
1938 double wxVariant::GetReal() const
1939 {
1940     double value;
1941     if (Convert(& value))
1942         return value;
1943     else
1944     {
1945         wxFAIL_MSG(wxT("Could not convert to a real number"));
1946         return 0.0;
1947     }
1948 }
1949
1950 long wxVariant::GetInteger() const
1951 {
1952     long value;
1953     if (Convert(& value))
1954         return value;
1955     else
1956     {
1957         wxFAIL_MSG(wxT("Could not convert to an integer"));
1958         return 0;
1959     }
1960 }
1961
1962 char wxVariant::GetChar() const
1963 {
1964     char value;
1965     if (Convert(& value))
1966         return value;
1967     else
1968     {
1969         wxFAIL_MSG(wxT("Could not convert to a char"));
1970         return 0;
1971     }
1972 }
1973
1974 bool wxVariant::GetBool() const
1975 {
1976     bool value;
1977     if (Convert(& value))
1978         return value;
1979     else
1980     {
1981         wxFAIL_MSG(wxT("Could not convert to a bool"));
1982         return 0;
1983     }
1984 }
1985
1986 wxString wxVariant::GetString() const
1987 {
1988     wxString value;
1989     if (!Convert(& value))
1990     {
1991         wxFAIL_MSG(wxT("Could not convert to a string"));
1992     }
1993
1994     return value;
1995 }
1996
1997 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
1998 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
1999 wxTime wxVariant::GetTime() const
2000 {
2001     wxTime value;
2002     if (!Convert(& value))
2003     {
2004         wxFAIL_MSG(wxT("Could not convert to a time"));
2005     }
2006
2007     return value;
2008 }
2009
2010 wxDate wxVariant::GetDate() const
2011 {
2012     wxDate value;
2013     if (!Convert(& value))
2014     {
2015         wxFAIL_MSG(wxT("Could not convert to a date"));
2016     }
2017
2018     return value;
2019 }
2020 #endif // wxUSE_TIMEDATE
2021
2022 void* wxVariant::GetVoidPtr() const
2023 {
2024     wxASSERT( (GetType() == wxT("void*")) );
2025
2026     return (void*) ((wxVariantDataVoidPtr*) m_data)->GetValue();
2027 }
2028
2029 wxDateTime wxVariant::GetDateTime() const
2030 {
2031     wxDateTime value;
2032     if (!Convert(& value))
2033     {
2034         wxFAIL_MSG(wxT("Could not convert to a datetime"));
2035     }
2036
2037     return value;
2038 }
2039
2040 wxList& wxVariant::GetList() const
2041 {
2042     wxASSERT( (GetType() == wxT("list")) );
2043
2044     return (wxList&) ((wxVariantDataList*) m_data)->GetValue();
2045 }
2046
2047 wxStringList& wxVariant::GetStringList() const
2048 {
2049     wxASSERT( (GetType() == wxT("stringlist")) );
2050
2051     return (wxStringList&) ((wxVariantDataStringList*) m_data)->GetValue();
2052 }
2053
2054 // Append to list
2055 void wxVariant::Append(const wxVariant& value)
2056 {
2057     wxList& list = GetList();
2058
2059     list.Append(new wxVariant(value));
2060 }
2061
2062 // Insert at front of list
2063 void wxVariant::Insert(const wxVariant& value)
2064 {
2065     wxList& list = GetList();
2066
2067     list.Insert(new wxVariant(value));
2068 }
2069
2070 // Returns TRUE if the variant is a member of the list
2071 bool wxVariant::Member(const wxVariant& value) const
2072 {
2073     wxList& list = GetList();
2074
2075     wxNode* node = list.First();
2076     while (node)
2077     {
2078         wxVariant* other = (wxVariant*) node->Data();
2079         if (value == *other)
2080             return TRUE;
2081         node = node->Next();
2082     }
2083     return FALSE;
2084 }
2085
2086 // Deletes the nth element of the list
2087 bool wxVariant::Delete(int item)
2088 {
2089     wxList& list = GetList();
2090
2091     wxASSERT_MSG( (item < list.Number()), wxT("Invalid index to Delete") );
2092     wxNode* node = list.Nth(item);
2093     wxVariant* variant = (wxVariant*) node->Data();
2094     delete variant;
2095     delete node;
2096     return TRUE;
2097 }
2098
2099 // Clear list
2100 void wxVariant::ClearList()
2101 {
2102     if (!IsNull() && (GetType() == wxT("list")))
2103     {
2104         ((wxVariantDataList*) m_data)->Clear();
2105     }
2106     else
2107     {
2108         if (GetType() != wxT("list"))
2109         {
2110             delete m_data;
2111             m_data = NULL;
2112         }
2113         m_data = new wxVariantDataList;
2114     }
2115 }
2116
2117 // Type conversion
2118 bool wxVariant::Convert(long* value) const
2119 {
2120     wxString type(GetType());
2121     if (type == wxT("double"))
2122         *value = (long) (((wxVariantDataReal*)GetData())->GetValue());
2123     else if (type == wxT("long"))
2124         *value = ((wxVariantDataLong*)GetData())->GetValue();
2125 #ifdef HAVE_BOOL
2126     else if (type == wxT("bool"))
2127         *value = (long) (((wxVariantDataBool*)GetData())->GetValue());
2128 #endif
2129     else if (type == wxT("string"))
2130         *value = wxAtol((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
2131     else
2132         return FALSE;
2133
2134     return TRUE;
2135 }
2136
2137 bool wxVariant::Convert(bool* value) const
2138 {
2139     wxString type(GetType());
2140     if (type == wxT("double"))
2141         *value = ((int) (((wxVariantDataReal*)GetData())->GetValue()) != 0);
2142     else if (type == wxT("long"))
2143         *value = (((wxVariantDataLong*)GetData())->GetValue() != 0);
2144 #ifdef HAVE_BOOL
2145     else if (type == wxT("bool"))
2146         *value = ((wxVariantDataBool*)GetData())->GetValue();
2147 #endif
2148     else if (type == wxT("string"))
2149     {
2150         wxString val(((wxVariantDataString*)GetData())->GetValue());
2151         val.MakeLower();
2152         if (val == wxT("true") || val == wxT("yes"))
2153             *value = TRUE;
2154         else if (val == wxT("false") || val == wxT("no"))
2155             *value = FALSE;
2156         else
2157             return FALSE;
2158     }
2159     else
2160         return FALSE;
2161
2162     return TRUE;
2163 }
2164
2165 bool wxVariant::Convert(double* value) const
2166 {
2167     wxString type(GetType());
2168     if (type == wxT("double"))
2169         *value = ((wxVariantDataReal*)GetData())->GetValue();
2170     else if (type == wxT("long"))
2171         *value = (double) (((wxVariantDataLong*)GetData())->GetValue());
2172 #ifdef HAVE_BOOL
2173     else if (type == wxT("bool"))
2174         *value = (double) (((wxVariantDataBool*)GetData())->GetValue());
2175 #endif
2176     else if (type == wxT("string"))
2177         *value = (double) wxAtof((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
2178     else
2179         return FALSE;
2180
2181     return TRUE;
2182 }
2183
2184 bool wxVariant::Convert(char* value) const
2185 {
2186     wxString type(GetType());
2187     if (type == wxT("char"))
2188         *value = ((wxVariantDataChar*)GetData())->GetValue();
2189     else if (type == wxT("long"))
2190         *value = (char) (((wxVariantDataLong*)GetData())->GetValue());
2191 #ifdef HAVE_BOOL
2192     else if (type == wxT("bool"))
2193         *value = (char) (((wxVariantDataBool*)GetData())->GetValue());
2194 #endif
2195     else
2196         return FALSE;
2197
2198     return TRUE;
2199 }
2200
2201 bool wxVariant::Convert(wxString* value) const
2202 {
2203     *value = MakeString();
2204     return TRUE;
2205 }
2206
2207 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
2208 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
2209 bool wxVariant::Convert(wxTime* value) const
2210 {
2211     wxString type(GetType());
2212     if (type == wxT("time"))
2213         *value = ((wxVariantDataTime*)GetData())->GetValue();
2214     else if (type == wxT("date"))
2215         *value = wxTime(((wxVariantDataDate*)GetData())->GetValue());
2216     else
2217         return FALSE;
2218
2219     return TRUE;
2220 }
2221
2222 bool wxVariant::Convert(wxDate* value) const
2223 {
2224     wxString type(GetType());
2225     if (type == wxT("date"))
2226         *value = ((wxVariantDataDate*)GetData())->GetValue();
2227     else
2228         return FALSE;
2229
2230     return TRUE;
2231 }
2232 #endif // wxUSE_TIMEDATE
2233
2234 bool wxVariant::Convert(wxDateTime* value) const
2235 {
2236     wxString type(GetType());
2237     if (type == wxT("datetime"))
2238         *value = ((wxVariantDataDateTime*)GetData())->GetValue();
2239     else
2240         return FALSE;
2241
2242     return TRUE;
2243 }