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/variant.h"
  40
  41 #if wxUSE_TIMEDATE
  42 IMPLEMENT_DYNAMIC_CLASS(wxDate, wxObject)
  43 IMPLEMENT_DYNAMIC_CLASS(wxTime, wxObject)
  44
  45 wxTime::tFormat    wxTime::ms_Format    = wxTime::wx12h;
  46 wxTime::tPrecision wxTime::ms_Precision  = wxTime::wxStdMinSec;
  47 wxChar             wxTime::ms_bufTime[128];
  48 #endif
  49
  50 IMPLEMENT_ABSTRACT_CLASS(wxVariantData, wxObject)
  51
  52 wxVariant WXDLLEXPORT wxNullVariant;
  53
  54 /*
  55  * wxVariantDataList
  56  */
  57
  58 class WXDLLEXPORT wxVariantDataList: public wxVariantData
  59 {
  60 DECLARE_DYNAMIC_CLASS(wxVariantDataList)
  61 public:
  62     wxVariantDataList() {}
  63     wxVariantDataList(const wxList& list);
  64     ~wxVariantDataList();
  65
  66     wxList& GetValue() const { return (wxList&) m_value; }
  67     void SetValue(const wxList& value) ;
  68
  69     virtual void Copy(wxVariantData& data);
  70     virtual bool Eq(wxVariantData& data) const;
  71 #if wxUSE_STD_IOSTREAM
  72     virtual bool Write(wxSTD ostream& str) const;
  73 #endif
  74     virtual bool Write(wxString& str) const;
  75 #if wxUSE_STD_IOSTREAM
  76     virtual bool Read(wxSTD istream& str);
  77 #endif
  78     virtual bool Read(wxString& str);
  79     virtual wxString GetType() const { return wxT("list"); };
  80
  81     void Clear();
  82
  83 protected:
  84     wxList  m_value;
  85 };
  86
  87 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataList, wxVariantData)
  88
  89 wxVariantDataList::wxVariantDataList(const wxList& list)
  90 {
  91     SetValue(list);
  92 }
  93
  94 wxVariantDataList::~wxVariantDataList()
  95 {
  96     Clear();
  97 }
  98
  99 void wxVariantDataList::SetValue(const wxList& value)
 100 {
 101     Clear();
 102     wxNode* node = value.First();
 103     while (node)
 104     {
 105         wxVariant* var = (wxVariant*) node->Data();
 106         m_value.Append(new wxVariant(*var));
 107         node = node->Next();
 108     }
 109 }
 110
 111 void wxVariantDataList::Clear()
 112 {
 113     wxNode* node = m_value.First();
 114     while (node)
 115     {
 116         wxVariant* var = (wxVariant*) node->Data();
 117         delete var;
 118         node = node->Next();
 119     }
 120     m_value.Clear();
 121 }
 122
 123 void wxVariantDataList::Copy(wxVariantData& data)
 124 {
 125     wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Copy: Can't copy to this type of data") );
 126
 127     wxVariantDataList& listData = (wxVariantDataList&) data;
 128
 129     listData.Clear();
 130     wxNode* node = m_value.First();
 131     while (node)
 132     {
 133         wxVariant* var = (wxVariant*) node->Data();
 134         listData.m_value.Append(new wxVariant(*var));
 135         node = node->Next();
 136     }
 137 }
 138
 139 bool wxVariantDataList::Eq(wxVariantData& data) const
 140 {
 141     wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Eq: argument mismatch") );
 142
 143     wxVariantDataList& listData = (wxVariantDataList&) data;
 144     wxNode* node1 = m_value.First();
 145     wxNode* node2 = listData.GetValue().First();
 146     while (node1 && node2)
 147     {
 148         wxVariant* var1 = (wxVariant*) node1->Data();
 149         wxVariant* var2 = (wxVariant*) node2->Data();
 150         if ((*var1) != (*var2))
 151             return FALSE;
 152         node1 = node1->Next();
 153         node2 = node2->Next();
 154     }
 155     if (node1 || node2) return FALSE;
 156     return TRUE;
 157 }
 158
 159 #if wxUSE_STD_IOSTREAM
 160 bool wxVariantDataList::Write(wxSTD ostream& str) const
 161 {
 162     wxString s;
 163     Write(s);
 164     str << (const char*) s.mb_str();
 165     return TRUE;
 166 }
 167 #endif
 168
 169 bool wxVariantDataList::Write(wxString& str) const
 170 {
 171     str = wxT("");
 172     wxNode* node = m_value.First();
 173     while (node)
 174     {
 175         wxVariant* var = (wxVariant*) node->Data();
 176         if (node != m_value.First())
 177           str += wxT(" ");
 178         wxString str1;
 179         str += var->MakeString();
 180         node = node->Next();
 181     }
 182
 183     return TRUE;
 184 }
 185
 186 #if wxUSE_STD_IOSTREAM
 187 bool wxVariantDataList::Read(wxSTD istream& WXUNUSED(str))
 188 {
 189     wxFAIL_MSG(wxT("Unimplemented"));
 190     // TODO
 191     return FALSE;
 192 }
 193 #endif
 194
 195 bool wxVariantDataList::Read(wxString& WXUNUSED(str))
 196 {
 197     wxFAIL_MSG(wxT("Unimplemented"));
 198     // TODO
 199     return FALSE;
 200 }
 201
 202 /*
 203  * wxVariantDataStringList
 204  */
 205
 206 class WXDLLEXPORT wxVariantDataStringList: public wxVariantData
 207 {
 208 DECLARE_DYNAMIC_CLASS(wxVariantDataStringList)
 209 public:
 210     wxVariantDataStringList() {}
 211     wxVariantDataStringList(const wxStringList& list) { m_value = list; }
 212
 213     wxStringList& GetValue() const { return (wxStringList&) m_value; }
 214     void SetValue(const wxStringList& value);
 215
 216     virtual void Copy(wxVariantData& data);
 217     virtual bool Eq(wxVariantData& data) const;
 218 #if wxUSE_STD_IOSTREAM
 219     virtual bool Write(wxSTD ostream& str) const;
 220 #endif
 221     virtual bool Write(wxString& str) const;
 222 #if wxUSE_STD_IOSTREAM
 223     virtual bool Read(wxSTD istream& str);
 224 #endif
 225     virtual bool Read(wxString& str);
 226     virtual wxString GetType() const { return wxT("stringlist"); };
 227
 228 protected:
 229     wxStringList  m_value;
 230 };
 231
 232 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataStringList, wxVariantData)
 233
 234 void wxVariantDataStringList::SetValue(const wxStringList& value)
 235 {
 236     m_value = value;
 237 }
 238
 239 void wxVariantDataStringList::Copy(wxVariantData& data)
 240 {
 241     wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Copy: Can't copy to this type of data") );
 242
 243     wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
 244
 245     listData.m_value = m_value ;
 246 }
 247
 248 bool wxVariantDataStringList::Eq(wxVariantData& data) const
 249 {
 250     wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Eq: argument mismatch") );
 251
 252     wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
 253     wxNode* node1 = m_value.First();
 254     wxNode* node2 = listData.GetValue().First();
 255     while (node1 && node2)
 256     {
 257         wxString str1 ((wxChar*) node1->Data());
 258         wxString str2 ((wxChar*) node2->Data());
 259         if (str1 != str2)
 260             return FALSE;
 261         node1 = node1->Next();
 262         node2 = node2->Next();
 263     }
 264     if (node1 || node2) return FALSE;
 265     return TRUE;
 266 }
 267
 268 #if wxUSE_STD_IOSTREAM
 269 bool wxVariantDataStringList::Write(wxSTD ostream& str) const
 270 {
 271     wxString s;
 272     Write(s);
 273     str << (const char*) s.mb_str();
 274     return TRUE;
 275 }
 276 #endif
 277
 278 bool wxVariantDataStringList::Write(wxString& str) const
 279 {
 280     str = wxT("");
 281     wxNode* node = m_value.First();
 282     while (node)
 283     {
 284         wxChar* s = (wxChar*) node->Data();
 285         if (node != m_value.First())
 286           str += wxT(" ");
 287         str += s;
 288         node = node->Next();
 289     }
 290
 291     return TRUE;
 292 }
 293
 294 #if wxUSE_STD_IOSTREAM
 295 bool wxVariantDataStringList::Read(wxSTD istream& WXUNUSED(str))
 296 {
 297     wxFAIL_MSG(wxT("Unimplemented"));
 298     // TODO
 299     return FALSE;
 300 }
 301 #endif
 302
 303 bool wxVariantDataStringList::Read(wxString& WXUNUSED(str))
 304 {
 305     wxFAIL_MSG(wxT("Unimplemented"));
 306     // TODO
 307     return FALSE;
 308 }
 309
 310 /*
 311  * wxVariantDataLong
 312  */
 313
 314 class WXDLLEXPORT wxVariantDataLong: public wxVariantData
 315 {
 316 DECLARE_DYNAMIC_CLASS(wxVariantDataLong)
 317 public:
 318     wxVariantDataLong() { m_value = 0; }
 319     wxVariantDataLong(long value) { m_value = value; }
 320
 321     inline long GetValue() const { return m_value; }
 322     inline void SetValue(long value) { m_value = value; }
 323
 324     virtual void Copy(wxVariantData& data);
 325     virtual bool Eq(wxVariantData& data) const;
 326
 327     virtual bool Read(wxString& str);
 328     virtual bool Write(wxString& str) const;
 329 #if wxUSE_STD_IOSTREAM
 330     virtual bool Read(wxSTD istream& str);
 331     virtual bool Write(wxSTD ostream& str) const;
 332 #endif
 333 #if wxUSE_STREAMS
 334     virtual bool Read(wxInputStream& str);
 335     virtual bool Write(wxOutputStream &str) const;
 336 #endif // wxUSE_STREAMS
 337
 338     virtual wxString GetType() const { return wxT("long"); };
 339
 340 protected:
 341     long m_value;
 342 };
 343
 344 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataLong, wxVariantData)
 345
 346 void wxVariantDataLong::Copy(wxVariantData& data)
 347 {
 348     wxASSERT_MSG( (data.GetType() == wxT("long")), wxT("wxVariantDataLong::Copy: Can't copy to this type of data") );
 349
 350     wxVariantDataLong& otherData = (wxVariantDataLong&) data;
 351
 352     otherData.m_value = m_value;
 353 }
 354
 355 bool wxVariantDataLong::Eq(wxVariantData& data) const
 356 {
 357     wxASSERT_MSG( (data.GetType() == wxT("long")), wxT("wxVariantDataLong::Eq: argument mismatch") );
 358
 359     wxVariantDataLong& otherData = (wxVariantDataLong&) data;
 360
 361     return (otherData.m_value == m_value);
 362 }
 363
 364 #if wxUSE_STD_IOSTREAM
 365 bool wxVariantDataLong::Write(wxSTD ostream& str) const
 366 {
 367     wxString s;
 368     Write(s);
 369     str << (const char*) s.mb_str();
 370     return TRUE;
 371 }
 372 #endif
 373
 374 bool wxVariantDataLong::Write(wxString& str) const
 375 {
 376     str.Printf(wxT("%ld"), m_value);
 377     return TRUE;
 378 }
 379
 380 #if wxUSE_STD_IOSTREAM
 381 bool wxVariantDataLong::Read(wxSTD istream& str)
 382 {
 383     str >> m_value;
 384     return TRUE;
 385 }
 386 #endif
 387
 388 #if wxUSE_STREAMS
 389 bool wxVariantDataLong::Write(wxOutputStream& str) const
 390 {
 391     wxTextOutputStream s(str);
 392
 393     s.Write32((size_t)m_value);
 394     return TRUE;
 395 }
 396
 397 bool wxVariantDataLong::Read(wxInputStream& str)
 398 {
 399    wxTextInputStream s(str);
 400    m_value = s.Read32();
 401    return TRUE;
 402 }
 403 #endif // wxUSE_STREAMS
 404
 405 bool wxVariantDataLong::Read(wxString& str)
 406 {
 407     m_value = wxAtol((const wxChar*) str);
 408     return TRUE;
 409 }
 410
 411 /*
 412  * wxVariantDataReal
 413  */
 414
 415 class WXDLLEXPORT wxVariantDataReal: public wxVariantData
 416 {
 417 DECLARE_DYNAMIC_CLASS(wxVariantDataReal)
 418 public:
 419     wxVariantDataReal() { m_value = 0.0; }
 420     wxVariantDataReal(double value) { m_value = value; }
 421
 422     inline double GetValue() const { return m_value; }
 423     inline void SetValue(double value) { m_value = value; }
 424
 425     virtual void Copy(wxVariantData& data);
 426     virtual bool Eq(wxVariantData& data) const;
 427     virtual bool Read(wxString& str);
 428 #if wxUSE_STD_IOSTREAM
 429     virtual bool Write(wxSTD ostream& str) const;
 430 #endif
 431     virtual bool Write(wxString& str) const;
 432 #if wxUSE_STD_IOSTREAM
 433     virtual bool Read(wxSTD istream& str);
 434 #endif
 435 #if wxUSE_STREAMS
 436     virtual bool Read(wxInputStream& str);
 437     virtual bool Write(wxOutputStream &str) const;
 438 #endif // wxUSE_STREAMS
 439     virtual wxString GetType() const { return wxT("double"); };
 440
 441 protected:
 442     double m_value;
 443 };
 444
 445 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataReal, wxVariantData)
 446
 447 void wxVariantDataReal::Copy(wxVariantData& data)
 448 {
 449     wxASSERT_MSG( (data.GetType() == wxT("double")), wxT("wxVariantDataReal::Copy: Can't copy to this type of data") );
 450
 451     wxVariantDataReal& otherData = (wxVariantDataReal&) data;
 452
 453     otherData.m_value = m_value;
 454 }
 455
 456 bool wxVariantDataReal::Eq(wxVariantData& data) const
 457 {
 458     wxASSERT_MSG( (data.GetType() == wxT("double")), wxT("wxVariantDataReal::Eq: argument mismatch") );
 459
 460     wxVariantDataReal& otherData = (wxVariantDataReal&) data;
 461
 462     return (otherData.m_value == m_value);
 463 }
 464
 465 #if wxUSE_STD_IOSTREAM
 466 bool wxVariantDataReal::Write(wxSTD ostream& str) const
 467 {
 468     wxString s;
 469     Write(s);
 470     str << (const char*) s.mb_str();
 471     return TRUE;
 472 }
 473 #endif
 474
 475 bool wxVariantDataReal::Write(wxString& str) const
 476 {
 477     str.Printf(wxT("%.4f"), m_value);
 478     return TRUE;
 479 }
 480
 481 #if wxUSE_STD_IOSTREAM
 482 bool wxVariantDataReal::Read(wxSTD istream& str)
 483 {
 484     str >> m_value;
 485     return TRUE;
 486 }
 487 #endif
 488
 489 #if wxUSE_STREAMS
 490 bool wxVariantDataReal::Write(wxOutputStream& str) const
 491 {
 492     wxTextOutputStream s(str);
 493     s.WriteDouble((double)m_value);
 494     return TRUE;
 495 }
 496
 497 bool wxVariantDataReal::Read(wxInputStream& str)
 498 {
 499     wxTextInputStream s(str);
 500     m_value = (float)s.ReadDouble();
 501     return TRUE;
 502 }
 503 #endif // wxUSE_STREAMS
 504
 505 bool wxVariantDataReal::Read(wxString& str)
 506 {
 507     m_value = wxAtof((const wxChar*) str);
 508     return TRUE;
 509 }
 510
 511 #ifdef HAVE_BOOL
 512 /*
 513  * wxVariantDataBool
 514  */
 515
 516 class WXDLLEXPORT wxVariantDataBool: public wxVariantData
 517 {
 518 DECLARE_DYNAMIC_CLASS(wxVariantDataBool)
 519 public:
 520     wxVariantDataBool() { m_value = 0; }
 521     wxVariantDataBool(bool value) { m_value = value; }
 522
 523     inline bool GetValue() const { return m_value; }
 524     inline void SetValue(bool value) { m_value = value; }
 525
 526     virtual void Copy(wxVariantData& data);
 527     virtual bool Eq(wxVariantData& data) const;
 528 #if wxUSE_STD_IOSTREAM
 529     virtual bool Write(wxSTD ostream& str) const;
 530 #endif
 531     virtual bool Write(wxString& str) const;
 532     virtual bool Read(wxString& str);
 533 #if wxUSE_STD_IOSTREAM
 534     virtual bool Read(wxSTD istream& str);
 535 #endif
 536 #if wxUSE_STREAMS
 537     virtual bool Read(wxInputStream& str);
 538     virtual bool Write(wxOutputStream& str) const;
 539 #endif // wxUSE_STREAMS
 540     virtual wxString GetType() const { return wxT("bool"); };
 541
 542 protected:
 543     bool m_value;
 544 };
 545
 546 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataBool, wxVariantData)
 547
 548 void wxVariantDataBool::Copy(wxVariantData& data)
 549 {
 550     wxASSERT_MSG( (data.GetType() == wxT("bool")), wxT("wxVariantDataBool::Copy: Can't copy to this type of data") );
 551
 552     wxVariantDataBool& otherData = (wxVariantDataBool&) data;
 553
 554     otherData.m_value = m_value;
 555 }
 556
 557 bool wxVariantDataBool::Eq(wxVariantData& data) const
 558 {
 559     wxASSERT_MSG( (data.GetType() == wxT("bool")), wxT("wxVariantDataBool::Eq: argument mismatch") );
 560
 561     wxVariantDataBool& otherData = (wxVariantDataBool&) data;
 562
 563     return (otherData.m_value == m_value);
 564 }
 565
 566 #if wxUSE_STD_IOSTREAM
 567 bool wxVariantDataBool::Write(wxSTD ostream& str) const
 568 {
 569     wxString s;
 570     Write(s);
 571     str << (const char*) s.mb_str();
 572     return TRUE;
 573 }
 574 #endif
 575
 576 bool wxVariantDataBool::Write(wxString& str) const
 577 {
 578     str.Printf(wxT("%d"), (int) m_value);
 579     return TRUE;
 580 }
 581
 582 #if wxUSE_STD_IOSTREAM
 583 bool wxVariantDataBool::Read(wxSTD istream& WXUNUSED(str))
 584 {
 585     wxFAIL_MSG(wxT("Unimplemented"));
 586 //    str >> (long) m_value;
 587     return FALSE;
 588 }
 589 #endif
 590
 591 #if wxUSE_STREAMS
 592 bool wxVariantDataBool::Write(wxOutputStream& str) const
 593 {
 594     wxTextOutputStream s(str);
 595
 596     s.Write8(m_value);
 597     return TRUE;
 598 }
 599
 600 bool wxVariantDataBool::Read(wxInputStream& str)
 601 {
 602     wxTextInputStream s(str);
 603
 604     m_value = s.Read8() != 0;
 605     return TRUE;
 606 }
 607 #endif // wxUSE_STREAMS
 608
 609 bool wxVariantDataBool::Read(wxString& str)
 610 {
 611     m_value = (wxAtol((const wxChar*) str) != 0);
 612     return TRUE;
 613 }
 614 #endif // HAVE_BOOL
 615
 616 /*
 617  * wxVariantDataChar
 618  */
 619
 620 class WXDLLEXPORT wxVariantDataChar: public wxVariantData
 621 {
 622 DECLARE_DYNAMIC_CLASS(wxVariantDataChar)
 623 public:
 624     wxVariantDataChar() { m_value = 0; }
 625     wxVariantDataChar(char value) { m_value = value; }
 626
 627     inline char GetValue() const { return m_value; }
 628     inline void SetValue(char value) { m_value = value; }
 629
 630     virtual void Copy(wxVariantData& data);
 631     virtual bool Eq(wxVariantData& data) const;
 632 #if wxUSE_STD_IOSTREAM
 633     virtual bool Read(wxSTD istream& str);
 634     virtual bool Write(wxSTD ostream& str) const;
 635 #endif
 636     virtual bool Read(wxString& str);
 637     virtual bool Write(wxString& str) const;
 638 #if wxUSE_STREAMS
 639     virtual bool Read(wxInputStream& str);
 640     virtual bool Write(wxOutputStream& str) const;
 641 #endif // wxUSE_STREAMS
 642     virtual wxString GetType() const { return wxT("char"); };
 643
 644 protected:
 645     char m_value;
 646 };
 647
 648 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataChar, wxVariantData)
 649
 650 void wxVariantDataChar::Copy(wxVariantData& data)
 651 {
 652     wxASSERT_MSG( (data.GetType() == wxT("char")), wxT("wxVariantDataChar::Copy: Can't copy to this type of data") );
 653
 654     wxVariantDataChar& otherData = (wxVariantDataChar&) data;
 655
 656     otherData.m_value = m_value;
 657 }
 658
 659 bool wxVariantDataChar::Eq(wxVariantData& data) const
 660 {
 661     wxASSERT_MSG( (data.GetType() == wxT("char")), wxT("wxVariantDataChar::Eq: argument mismatch") );
 662
 663     wxVariantDataChar& otherData = (wxVariantDataChar&) data;
 664
 665     return (otherData.m_value == m_value);
 666 }
 667
 668 #if wxUSE_STD_IOSTREAM
 669 bool wxVariantDataChar::Write(wxSTD ostream& str) const
 670 {
 671     wxString s;
 672     Write(s);
 673     str << (const char*) s.mb_str();
 674     return TRUE;
 675 }
 676 #endif
 677
 678 bool wxVariantDataChar::Write(wxString& str) const
 679 {
 680     str.Printf(wxT("%c"), m_value);
 681     return TRUE;
 682 }
 683
 684 #if wxUSE_STD_IOSTREAM
 685 bool wxVariantDataChar::Read(wxSTD istream& WXUNUSED(str))
 686 {
 687     wxFAIL_MSG(wxT("Unimplemented"));
 688 //    str >> m_value;
 689     return FALSE;
 690 }
 691 #endif
 692
 693 #if wxUSE_STREAMS
 694 bool wxVariantDataChar::Write(wxOutputStream& str) const
 695 {
 696     wxTextOutputStream s(str);
 697
 698     s.Write8(m_value);
 699     return TRUE;
 700 }
 701
 702 bool wxVariantDataChar::Read(wxInputStream& str)
 703 {
 704     wxTextInputStream s(str);
 705
 706     m_value = s.Read8();
 707     return TRUE;
 708 }
 709 #endif // wxUSE_STREAMS
 710
 711 bool wxVariantDataChar::Read(wxString& str)
 712 {
 713     m_value = str[(size_t)0];
 714     return TRUE;
 715 }
 716
 717 /*
 718  * wxVariantDataString
 719  */
 720
 721 #if defined(__BORLANDC__) && defined(__WIN16__)
 722 // Change name because of truncation
 723 #define wxVariantDataString wxVariantStringData
 724 #endif
 725
 726 class WXDLLEXPORT wxVariantDataString: public wxVariantData
 727 {
 728 #if defined(__BORLANDC__) && defined(__WIN16__)
 729 DECLARE_DYNAMIC_CLASS(wxVariantStringData)
 730 #else
 731 DECLARE_DYNAMIC_CLASS(wxVariantDataString)
 732 #endif
 733 public:
 734     wxVariantDataString() { }
 735     wxVariantDataString(const wxString& value) { m_value = value; }
 736
 737     inline wxString GetValue() const { return m_value; }
 738     inline void SetValue(const wxString& value) { m_value = value; }
 739
 740     virtual void Copy(wxVariantData& data);
 741     virtual bool Eq(wxVariantData& data) const;
 742 #if wxUSE_STD_IOSTREAM
 743     virtual bool Write(wxSTD ostream& str) const;
 744 #endif
 745     virtual bool Read(wxString& str);
 746     virtual bool Write(wxString& str) const;
 747 #if wxUSE_STD_IOSTREAM
 748     virtual bool Read(wxSTD istream& str);
 749 #endif
 750 #if wxUSE_STREAMS
 751     virtual bool Read(wxInputStream& str);
 752     virtual bool Write(wxOutputStream& str) const;
 753 #endif // wxUSE_STREAMS
 754     virtual wxString GetType() const { return wxT("string"); };
 755
 756 protected:
 757     wxString m_value;
 758 };
 759
 760 void wxVariantDataString::Copy(wxVariantData& data)
 761 {
 762     wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Copy: Can't copy to this type of data") );
 763
 764     wxVariantDataString& otherData = (wxVariantDataString&) data;
 765
 766     otherData.m_value = m_value;
 767 }
 768
 769 bool wxVariantDataString::Eq(wxVariantData& data) const
 770 {
 771     wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Eq: argument mismatch") );
 772
 773     wxVariantDataString& otherData = (wxVariantDataString&) data;
 774
 775     return (otherData.m_value == m_value);
 776 }
 777
 778 #if wxUSE_STD_IOSTREAM
 779 bool wxVariantDataString::Write(wxSTD ostream& str) const
 780 {
 781     str << (const char*) m_value.mb_str();
 782     return TRUE;
 783 }
 784 #endif
 785
 786 bool wxVariantDataString::Write(wxString& str) const
 787 {
 788     str = m_value;
 789     return TRUE;
 790 }
 791
 792 #if wxUSE_STD_IOSTREAM
 793 bool wxVariantDataString::Read(wxSTD istream& str)
 794 {
 795     str >> m_value;
 796     return TRUE;
 797 }
 798 #endif
 799
 800 #if wxUSE_STREAMS
 801 bool wxVariantDataString::Write(wxOutputStream& str) const
 802 {
 803   // why doesn't wxOutputStream::operator<< take "const wxString&"
 804     wxTextOutputStream s(str);
 805     s.WriteString(m_value);
 806     return TRUE;
 807 }
 808
 809 bool wxVariantDataString::Read(wxInputStream& str)
 810 {
 811     wxTextInputStream s(str);
 812
 813     m_value = s.ReadString();
 814     return TRUE;
 815 }
 816 #endif // wxUSE_STREAMS
 817
 818 bool wxVariantDataString::Read(wxString& str)
 819 {
 820     m_value = str;
 821     return TRUE;
 822 }
 823
 824 #if defined(__BORLANDC__) && defined(__WIN16__)
 825 IMPLEMENT_DYNAMIC_CLASS(wxVariantStringData, wxVariantData)
 826 #else
 827 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataString, wxVariantData)
 828 #endif
 829
 830 /*
 831  * wxVariantDataTime
 832  */
 833
 834 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
 835 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
 836
 837 class wxVariantDataTime: public wxVariantData
 838 {
 839  DECLARE_DYNAMIC_CLASS(wxVariantDataTime)
 840 public:
 841     wxVariantDataTime() { }
 842     wxVariantDataTime(const wxTime& value) { m_value = value; }
 843
 844     inline wxTime GetValue() const { return m_value; }
 845     inline void SetValue(const wxTime& value) { m_value = value; }
 846
 847     virtual void Copy(wxVariantData& data);
 848     virtual bool Eq(wxVariantData& data) const;
 849 #if wxUSE_STD_IOSTREAM
 850     virtual bool Write(wxSTD ostream& str) const;
 851 #endif
 852     virtual bool Write(wxString& str) const;
 853 #if wxUSE_STD_IOSTREAM
 854     virtual bool Read(wxSTD istream& str);
 855 #endif
 856     virtual bool Read(wxString& str);
 857     virtual wxString GetType() const { return wxT("time"); };
 858         virtual wxVariantData* Clone() { return new wxVariantDataTime; }
 859
 860 protected:
 861     wxTime m_value;
 862 };
 863
 864 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataTime, wxVariantData)
 865
 866 void wxVariantDataTime::Copy(wxVariantData& data)
 867 {
 868     wxASSERT_MSG( (data.GetType() == wxT("time")), wxT("wxVariantDataTime::Copy: Can't copy to this type of data") );
 869
 870     wxVariantDataTime& otherData = (wxVariantDataTime&) data;
 871
 872     otherData.m_value = m_value;
 873 }
 874
 875 bool wxVariantDataTime::Eq(wxVariantData& data) const
 876 {
 877     wxASSERT_MSG( (data.GetType() == wxT("time")), wxT("wxVariantDataTime::Eq: argument mismatch") );
 878
 879     wxVariantDataTime& otherData = (wxVariantDataTime&) data;
 880
 881     return (otherData.m_value == m_value);
 882 }
 883
 884 #if wxUSE_STD_IOSTREAM
 885 bool wxVariantDataTime::Write(wxSTD ostream& str) const
 886 {
 887     wxString s;
 888     Write(s);
 889     str << (const char*) s.mb_str();
 890     return TRUE;
 891 }
 892 #endif
 893
 894 bool wxVariantDataTime::Write(wxString& str) const
 895 {
 896     wxChar*s = m_value.FormatTime();
 897     str = s;
 898     return TRUE;
 899 }
 900
 901 #if wxUSE_STD_IOSTREAM
 902 bool wxVariantDataTime::Read(wxSTD istream& WXUNUSED(str))
 903 {
 904     // Not implemented
 905     return FALSE;
 906 }
 907 #endif
 908
 909 bool wxVariantDataTime::Read(wxString& WXUNUSED(str))
 910 {
 911     // Not implemented
 912     return FALSE;
 913 }
 914
 915 /*
 916  * wxVariantDataDate
 917  */
 918
 919 class wxVariantDataDate: public wxVariantData
 920 {
 921  DECLARE_DYNAMIC_CLASS(wxVariantDataDate)
 922 public:
 923     wxVariantDataDate() { }
 924     wxVariantDataDate(const wxDate& value) { m_value = value; }
 925
 926     inline wxDate GetValue() const { return m_value; }
 927     inline void SetValue(const wxDate& value) { m_value = value; }
 928
 929     virtual void Copy(wxVariantData& data);
 930     virtual bool Eq(wxVariantData& data) const;
 931 #if wxUSE_STD_IOSTREAM
 932     virtual bool Write(wxSTD ostream& str) const;
 933 #endif
 934     virtual bool Write(wxString& str) const;
 935 #if wxUSE_STD_IOSTREAM
 936     virtual bool Read(wxSTD istream& str);
 937 #endif
 938     virtual bool Read(wxString& str);
 939     virtual wxString GetType() const { return wxT("date"); };
 940         virtual wxVariantData* Clone() { return new wxVariantDataDate; }
 941
 942 protected:
 943     wxDate m_value;
 944 };
 945
 946 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataDate, wxVariantData)
 947
 948 void wxVariantDataDate::Copy(wxVariantData& data)
 949 {
 950     wxASSERT_MSG( (data.GetType() == wxT("date")), wxT("wxVariantDataDate::Copy: Can't copy to this type of data") );
 951
 952     wxVariantDataDate& otherData = (wxVariantDataDate&) data;
 953
 954     otherData.m_value = m_value;
 955 }
 956
 957 bool wxVariantDataDate::Eq(wxVariantData& data) const
 958 {
 959     wxASSERT_MSG( (data.GetType() == wxT("date")), wxT("wxVariantDataDate::Eq: argument mismatch") );
 960
 961     wxVariantDataDate& otherData = (wxVariantDataDate&) data;
 962
 963     return (otherData.m_value == m_value);
 964 }
 965
 966 #if wxUSE_STD_IOSTREAM
 967 bool wxVariantDataDate::Write(wxSTD ostream& str) const
 968 {
 969     wxString s;
 970     Write(s);
 971     str << (const char*) s.mb_str();
 972     return TRUE;
 973 }
 974 #endif
 975
 976 bool wxVariantDataDate::Write(wxString& str) const
 977 {
 978     str = m_value.FormatDate();
 979     return TRUE;
 980 }
 981
 982 #if wxUSE_STD_IOSTREAM
 983 bool wxVariantDataDate::Read(wxSTD istream& WXUNUSED(str))
 984 {
 985     // Not implemented
 986     return FALSE;
 987 }
 988 #endif
 989
 990 bool wxVariantDataDate::Read(wxString& WXUNUSED(str))
 991 {
 992     // Not implemented
 993     return FALSE;
 994 }
 995 #endif
 996   // wxUSE_TIMEDATE
 997
 998 /*
 999  * wxVariantDataVoidPtr
1000  */
1001
1002 class wxVariantDataVoidPtr: public wxVariantData
1003 {
1004 DECLARE_DYNAMIC_CLASS(wxVariantDataVoidPtr)
1005 public:
1006     wxVariantDataVoidPtr() { }
1007     wxVariantDataVoidPtr(void* value) { m_value = value; }
1008
1009     inline void* GetValue() const { return m_value; }
1010     inline void SetValue(void* value) { m_value = value; }
1011
1012     virtual void Copy(wxVariantData& data);
1013     virtual bool Eq(wxVariantData& data) const;
1014 #if wxUSE_STD_IOSTREAM
1015     virtual bool Write(wxSTD ostream& str) const;
1016 #endif
1017     virtual bool Write(wxString& str) const;
1018 #if wxUSE_STD_IOSTREAM
1019     virtual bool Read(wxSTD istream& str);
1020 #endif
1021     virtual bool Read(wxString& str);
1022     virtual wxString GetType() const { return wxT("void*"); };
1023         virtual wxVariantData* Clone() { return new wxVariantDataVoidPtr; }
1024
1025 protected:
1026     void* m_value;
1027 };
1028
1029 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataVoidPtr, wxVariantData)
1030
1031 void wxVariantDataVoidPtr::Copy(wxVariantData& data)
1032 {
1033     wxASSERT_MSG( (data.GetType() == wxT("void*")), wxT("wxVariantDataVoidPtr::Copy: Can't copy to this type of data") );
1034
1035     wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
1036
1037     otherData.m_value = m_value;
1038 }
1039
1040 bool wxVariantDataVoidPtr::Eq(wxVariantData& data) const
1041 {
1042     wxASSERT_MSG( (data.GetType() == wxT("void*")), wxT("wxVariantDataVoidPtr::Eq: argument mismatch") );
1043
1044     wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
1045
1046     return (otherData.m_value == m_value);
1047 }
1048
1049 #if wxUSE_STD_IOSTREAM
1050 bool wxVariantDataVoidPtr::Write(wxSTD ostream& str) const
1051 {
1052     wxString s;
1053     Write(s);
1054     str << (const char*) s.mb_str();
1055     return TRUE;
1056 }
1057 #endif
1058
1059 bool wxVariantDataVoidPtr::Write(wxString& str) const
1060 {
1061     str.Printf(wxT("%ld"), (long) m_value);
1062     return TRUE;
1063 }
1064
1065 #if wxUSE_STD_IOSTREAM
1066 bool wxVariantDataVoidPtr::Read(wxSTD istream& WXUNUSED(str))
1067 {
1068     // Not implemented
1069     return FALSE;
1070 }
1071 #endif
1072
1073 bool wxVariantDataVoidPtr::Read(wxString& WXUNUSED(str))
1074 {
1075     // Not implemented
1076     return FALSE;
1077 }
1078
1079 /*
1080  * wxVariantDataDateTime
1081  */
1082
1083 class wxVariantDataDateTime: public wxVariantData
1084 {
1085     DECLARE_DYNAMIC_CLASS(wxVariantDataDateTime)
1086
1087 public:
1088     wxVariantDataDateTime() { }
1089     wxVariantDataDateTime(const wxDateTime& value) { m_value = value; }
1090 #if wxUSE_ODBC
1091     wxVariantDataDateTime(const TIME_STRUCT* valptr)
1092         { m_value = wxDateTime(valptr->hour, valptr->minute, valptr->second); }
1093     wxVariantDataDateTime(const DATE_STRUCT* valptr)
1094         { m_value = wxDateTime(valptr->day, (wxDateTime::Month) (valptr->month - 1),valptr->year); }
1095     wxVariantDataDateTime(const TIMESTAMP_STRUCT* valptr)
1096         { m_value = wxDateTime(valptr->day, (wxDateTime::Month) (valptr->month - 1), valptr->year,
1097                         valptr->hour, valptr->minute, valptr->second, valptr->fraction ); }
1098 #endif //ODBC
1099
1100     inline wxDateTime GetValue() const { return m_value; }
1101     inline void SetValue(const wxDateTime& value) { m_value = value; }
1102
1103     virtual void Copy(wxVariantData& data);
1104     virtual bool Eq(wxVariantData& data) const;
1105 #if wxUSE_STD_IOSTREAM
1106     virtual bool Write(ostream& str) const;
1107 #endif
1108     virtual bool Write(wxString& str) const;
1109 #if wxUSE_STD_IOSTREAM
1110     virtual bool Read(istream& str);
1111 #endif
1112     virtual bool Read(wxString& str);
1113     virtual wxString GetType() const { return wxT("datetime"); };
1114     virtual wxVariantData* Clone() { return new wxVariantDataDateTime; }
1115
1116 protected:
1117     wxDateTime m_value;
1118 };
1119
1120
1121 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataDateTime, wxVariantData)
1122
1123 void wxVariantDataDateTime::Copy(wxVariantData& data)
1124 {
1125     wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Copy: Can't copy to this type of data") );
1126
1127     wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
1128
1129     otherData.m_value = m_value;
1130 }
1131
1132
1133 bool wxVariantDataDateTime::Eq(wxVariantData& data) const
1134 {
1135     wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Eq: argument mismatch") );
1136
1137     wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
1138
1139     return (otherData.m_value == m_value);
1140 }
1141
1142
1143 #if wxUSE_STD_IOSTREAM
1144 bool wxVariantDataDateTime::Write(ostream& str) const
1145 {
1146     // Not implemented
1147     return FALSE;
1148 }
1149 #endif
1150
1151
1152 bool wxVariantDataDateTime::Write(wxString& str) const
1153 {
1154     str = m_value.Format();
1155     return TRUE;
1156 }
1157
1158
1159 #if wxUSE_STD_IOSTREAM
1160 bool wxVariantDataDateTime::Read(istream& WXUNUSED(str))
1161 {
1162     // Not implemented
1163     return FALSE;
1164 }
1165 #endif
1166
1167
1168 bool wxVariantDataDateTime::Read(wxString& str)
1169 {
1170     if(! m_value.ParseDateTime(str))
1171         return FALSE;
1172     return TRUE;
1173 }
1174
1175
1176 /*
1177  * wxVariant
1178  */
1179
1180 IMPLEMENT_DYNAMIC_CLASS(wxVariant, wxObject)
1181
1182 // Construction & destruction
1183 wxVariant::wxVariant()
1184 {
1185     m_data = (wxVariantData*) NULL;
1186 }
1187
1188 wxVariant::wxVariant(double val, const wxString& name)
1189 {
1190     m_data = new wxVariantDataReal(val);
1191     m_name = name;
1192 }
1193
1194 wxVariant::wxVariant(long val, const wxString& name)
1195 {
1196     m_data = new wxVariantDataLong(val);
1197     m_name = name;
1198 }
1199
1200 #ifdef HAVE_BOOL
1201 wxVariant::wxVariant(bool val, const wxString& name)
1202 {
1203     m_data = new wxVariantDataBool(val);
1204     m_name = name;
1205 }
1206 #endif
1207
1208 wxVariant::wxVariant(char val, const wxString& name)
1209 {
1210     m_data = new wxVariantDataChar(val);
1211     m_name = name;
1212 }
1213
1214 wxVariant::wxVariant(const wxString& val, const wxString& name)
1215 {
1216     m_data = new wxVariantDataString(val);
1217     m_name = name;
1218 }
1219
1220 wxVariant::wxVariant(const wxChar* val, const wxString& name)
1221 {
1222     m_data = new wxVariantDataString(wxString(val));
1223     m_name = name;
1224 }
1225
1226 wxVariant::wxVariant(const wxStringList& val, const wxString& name)
1227 {
1228     m_data = new wxVariantDataStringList(val);
1229     m_name = name;
1230 }
1231
1232 wxVariant::wxVariant(const wxList& val, const wxString& name) // List of variants
1233 {
1234     m_data = new wxVariantDataList(val);
1235     m_name = name;
1236 }
1237
1238 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
1239 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
1240 wxVariant::wxVariant(const wxTime& val, const wxString& name) // Time
1241 {
1242     m_data = new wxVariantDataTime(val);
1243     m_name = name;
1244 }
1245
1246 wxVariant::wxVariant(const wxDate& val, const wxString& name) // Date
1247 {
1248     m_data = new wxVariantDataDate(val);
1249     m_name = name;
1250 }
1251 #endif
1252
1253 wxVariant::wxVariant(void* val, const wxString& name) // Void ptr
1254 {
1255     m_data = new wxVariantDataVoidPtr(val);
1256     m_name = name;
1257 }
1258
1259 wxVariant::wxVariant(const wxDateTime& val, const wxString& name) // Date
1260 {
1261     m_data = new wxVariantDataDateTime(val);
1262     m_name = name;
1263 }
1264
1265 #if wxUSE_ODBC
1266 wxVariant::wxVariant(const TIME_STRUCT* valptr, const wxString& name) // Date
1267 {
1268     m_data = new wxVariantDataDateTime(valptr);
1269     m_name = name;
1270 }
1271
1272 wxVariant::wxVariant(const TIMESTAMP_STRUCT* valptr, const wxString& name) // Date
1273 {
1274     m_data = new wxVariantDataDateTime(valptr);
1275     m_name = name;
1276 }
1277
1278 wxVariant::wxVariant(const DATE_STRUCT* valptr, const wxString& name) // Date
1279 {
1280     m_data = new wxVariantDataDateTime(valptr);
1281     m_name = name;
1282 }
1283 #endif
1284
1285 wxVariant::wxVariant(const wxVariant& variant)
1286 {
1287     if (!variant.IsNull())
1288     {
1289         m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
1290         variant.m_data->Copy(*m_data);
1291     }
1292     else
1293         m_data = (wxVariantData*) NULL;
1294     m_name = variant.m_name;
1295 }
1296
1297 wxVariant::wxVariant(wxVariantData* data, const wxString& name) // User-defined data
1298 {
1299     m_data = data;
1300     m_name = name;
1301 }
1302
1303 wxVariant::~wxVariant()
1304 {
1305     delete m_data;
1306 }
1307
1308
1309 // Make NULL (i.e. delete the data)
1310 void wxVariant::MakeNull()
1311 {
1312     delete m_data;
1313     m_data = NULL;
1314 }
1315
1316 // Generic operators
1317 // Assignment
1318 void wxVariant::operator= (const wxVariant& variant)
1319 {
1320     if (variant.IsNull())
1321     {
1322         MakeNull();
1323         return;
1324     }
1325
1326     if (IsNull() || (GetType() != variant.GetType()))
1327     {
1328         if (m_data)
1329             delete m_data;
1330         m_data = (wxVariantData*) variant.GetData()->GetClassInfo()->CreateObject();
1331     }
1332 //    GetData()->Copy(* variant.GetData());
1333     variant.GetData()->Copy(* GetData());
1334 }
1335
1336 // Assignment using data, e.g.
1337 // myVariant = new wxStringVariantData("hello")
1338 void wxVariant::operator= (wxVariantData* variantData)
1339 {
1340     MakeNull();
1341     m_data = variantData;
1342 }
1343
1344 bool wxVariant::operator== (const wxVariant& variant) const
1345 {
1346     if (IsNull() || variant.IsNull())
1347         return (IsNull() == variant.IsNull());
1348
1349     return (GetData()->Eq(* variant.GetData()));
1350 }
1351
1352 bool wxVariant::operator!= (const wxVariant& variant) const
1353 {
1354     return (!(*this == variant));
1355 }
1356
1357
1358 // Specific operators
1359 bool wxVariant::operator== (double value) const
1360 {
1361     double thisValue;
1362     if (!Convert(&thisValue))
1363         return FALSE;
1364     else
1365         return (value == thisValue);
1366 }
1367
1368 bool wxVariant::operator!= (double value) const
1369 {
1370     return (!((*this) == value));
1371 }
1372
1373 void wxVariant::operator= (double value)
1374 {
1375     if (GetType() == wxT("double"))
1376     {
1377         ((wxVariantDataReal*)GetData())->SetValue(value);
1378     }
1379     else
1380     {
1381         if (m_data)
1382             delete m_data;
1383         m_data = new wxVariantDataReal(value);
1384     }
1385 }
1386
1387 bool wxVariant::operator== (long value) const
1388 {
1389     long thisValue;
1390     if (!Convert(&thisValue))
1391         return FALSE;
1392     else
1393         return (value == thisValue);
1394 }
1395
1396 bool wxVariant::operator!= (long value) const
1397 {
1398     return (!((*this) == value));
1399 }
1400
1401 void wxVariant::operator= (long value)
1402 {
1403     if (GetType() == wxT("long"))
1404     {
1405         ((wxVariantDataLong*)GetData())->SetValue(value);
1406     }
1407     else
1408     {
1409         if (m_data)
1410             delete m_data;
1411         m_data = new wxVariantDataLong(value);
1412     }
1413 }
1414
1415 bool wxVariant::operator== (char value) const
1416 {
1417     char thisValue;
1418     if (!Convert(&thisValue))
1419         return FALSE;
1420     else
1421         return (value == thisValue);
1422 }
1423
1424 bool wxVariant::operator!= (char value) const
1425 {
1426     return (!((*this) == value));
1427 }
1428
1429 void wxVariant::operator= (char value)
1430 {
1431     if (GetType() == wxT("char"))
1432     {
1433         ((wxVariantDataChar*)GetData())->SetValue(value);
1434     }
1435     else
1436     {
1437         if (m_data)
1438             delete m_data;
1439         m_data = new wxVariantDataChar(value);
1440     }
1441 }
1442
1443 #ifdef HAVE_BOOL
1444 bool wxVariant::operator== (bool value) const
1445 {
1446     bool thisValue;
1447     if (!Convert(&thisValue))
1448         return FALSE;
1449     else
1450         return (value == thisValue);
1451 }
1452
1453 bool wxVariant::operator!= (bool value) const
1454 {
1455     return (!((*this) == value));
1456 }
1457
1458 void wxVariant::operator= (bool value)
1459 {
1460     if (GetType() == wxT("bool"))
1461     {
1462         ((wxVariantDataBool*)GetData())->SetValue(value);
1463     }
1464     else
1465     {
1466         if (m_data)
1467             delete m_data;
1468         m_data = new wxVariantDataBool(value);
1469     }
1470 }
1471 #endif // HAVE_BOOL
1472
1473 bool wxVariant::operator== (const wxString& value) const
1474 {
1475     wxString thisValue;
1476     if (!Convert(&thisValue))
1477         return FALSE;
1478
1479     return value == thisValue;
1480 }
1481
1482 bool wxVariant::operator!= (const wxString& value) const
1483 {
1484     return (!((*this) == value));
1485 }
1486
1487 void wxVariant::operator= (const wxString& value)
1488 {
1489     if (GetType() == wxT("string"))
1490     {
1491         ((wxVariantDataString*)GetData())->SetValue(value);
1492     }
1493     else
1494     {
1495         if (m_data)
1496             delete m_data;
1497         m_data = new wxVariantDataString(value);
1498     }
1499 }
1500
1501 void wxVariant::operator= (const wxChar* value)
1502 {
1503     if (GetType() == wxT("string"))
1504     {
1505         ((wxVariantDataString*)GetData())->SetValue(wxString(value));
1506     }
1507     else
1508     {
1509         if (m_data)
1510             delete m_data;
1511         m_data = new wxVariantDataString(wxString(value));
1512     }
1513 }
1514
1515 bool wxVariant::operator== (const wxStringList& value) const
1516 {
1517     wxASSERT_MSG( (GetType() == wxT("stringlist")), wxT("Invalid type for == operator") );
1518
1519     wxVariantDataStringList other(value);
1520     return (m_data->Eq(other));
1521 }
1522
1523 bool wxVariant::operator!= (const wxStringList& value) const
1524 {
1525     return (!((*this) == value));
1526 }
1527
1528 void wxVariant::operator= (const wxStringList& value)
1529 {
1530     if (GetType() == wxT("stringlist"))
1531     {
1532         ((wxVariantDataStringList*)GetData())->SetValue(value);
1533     }
1534     else
1535     {
1536         if (m_data)
1537             delete m_data;
1538         m_data = new wxVariantDataStringList(value);
1539     }
1540 }
1541
1542 bool wxVariant::operator== (const wxList& value) const
1543 {
1544     wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for == operator") );
1545
1546     wxVariantDataList other(value);
1547     return (m_data->Eq(other));
1548 }
1549
1550 bool wxVariant::operator!= (const wxList& value) const
1551 {
1552     return (!((*this) == value));
1553 }
1554
1555 void wxVariant::operator= (const wxList& value)
1556 {
1557     if (GetType() == wxT("list"))
1558     {
1559         ((wxVariantDataList*)GetData())->SetValue(value);
1560     }
1561     else
1562     {
1563         if (m_data)
1564             delete m_data;
1565         m_data = new wxVariantDataList(value);
1566     }
1567 }
1568
1569 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
1570 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
1571 bool wxVariant::operator== (const wxTime& value) const
1572 {
1573     wxTime thisValue;
1574     if (!Convert(&thisValue))
1575         return FALSE;
1576
1577     return value == thisValue;
1578 }
1579
1580 bool wxVariant::operator!= (const wxTime& value) const
1581 {
1582     return (!((*this) == value));
1583 }
1584
1585 void wxVariant::operator= (const wxTime& value)
1586 {
1587     if (GetType() == wxT("time"))
1588     {
1589         ((wxVariantDataTime*)GetData())->SetValue(value);
1590     }
1591     else
1592     {
1593         if (m_data)
1594             delete m_data;
1595         m_data = new wxVariantDataTime(value);
1596     }
1597 }
1598
1599 bool wxVariant::operator== (const wxDate& value) const
1600 {
1601     wxDate thisValue;
1602     if (!Convert(&thisValue))
1603         return FALSE;
1604
1605     return (value == thisValue);
1606 }
1607
1608 bool wxVariant::operator!= (const wxDate& value) const
1609 {
1610     return (!((*this) == value));
1611 }
1612
1613 void wxVariant::operator= (const wxDate& value)
1614 {
1615     if (GetType() == wxT("date"))
1616     {
1617         ((wxVariantDataTime*)GetData())->SetValue(value);
1618     }
1619     else
1620     {
1621         if (m_data)
1622             delete m_data;
1623         m_data = new wxVariantDataDate(value);
1624     }
1625 }
1626 #endif
1627
1628 bool wxVariant::operator== (void* value) const
1629 {
1630     return (value == ((wxVariantDataVoidPtr*)GetData())->GetValue());
1631 }
1632
1633 bool wxVariant::operator!= (void* value) const
1634 {
1635     return (!((*this) == (void*) value));
1636 }
1637
1638 void wxVariant::operator= (void* value)
1639 {
1640     if (GetType() == wxT("void*"))
1641     {
1642         ((wxVariantDataVoidPtr*)GetData())->SetValue(value);
1643     }
1644     else
1645     {
1646         if (m_data)
1647             delete m_data;
1648         m_data = new wxVariantDataVoidPtr(value);
1649     }
1650 }
1651
1652 bool wxVariant::operator== (const wxDateTime& value) const
1653 {
1654     wxDateTime thisValue;
1655     if (!Convert(&thisValue))
1656         return FALSE;
1657
1658     return value.IsEqualTo(thisValue);
1659 }
1660
1661 bool wxVariant::operator!= (const wxDateTime& value) const
1662 {
1663     return (!((*this) == value));
1664 }
1665
1666 void wxVariant::operator= (const wxDateTime& value)
1667 {
1668     if (GetType() == wxT("datetime"))
1669     {
1670         ((wxVariantDataDateTime*)GetData())->SetValue(value);
1671     }
1672     else
1673     {
1674         if (m_data)
1675             delete m_data;
1676         m_data = new wxVariantDataDateTime(value);
1677     }
1678 }
1679
1680
1681 #if wxUSE_ODBC
1682 void wxVariant::operator= (const DATE_STRUCT* value)
1683 {
1684     if (m_data)
1685         delete m_data;
1686     m_data = new wxVariantDataDateTime(value);
1687 }
1688
1689
1690 void wxVariant::operator= (const TIME_STRUCT* value)
1691 {
1692     if (m_data)
1693         delete m_data;
1694     m_data = new wxVariantDataDateTime(value);
1695 }
1696
1697
1698 void wxVariant::operator= (const TIMESTAMP_STRUCT* value)
1699 {
1700     if (m_data)
1701         delete m_data;
1702     m_data = new wxVariantDataDateTime(value);
1703 }
1704
1705 #endif
1706
1707 // Treat a list variant as an array
1708 wxVariant wxVariant::operator[] (size_t idx) const
1709 {
1710     wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for array operator") );
1711
1712     if (GetType() == wxT("list"))
1713     {
1714         wxVariantDataList* data = (wxVariantDataList*) m_data;
1715         wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), wxT("Invalid index for array") );
1716         return * (wxVariant*) (data->GetValue().Nth(idx)->Data());
1717     }
1718     else if (GetType() == wxT("stringlist"))
1719     {
1720         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1721         wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), wxT("Invalid index for array") );
1722
1723         wxVariant variant( wxString( (wxChar*) (data->GetValue().Nth(idx)->Data()) ));
1724         return variant;
1725     }
1726     return wxNullVariant;
1727 }
1728
1729 wxVariant& wxVariant::operator[] (size_t idx)
1730 {
1731     // We can't return a reference to a variant for a string list, since the string
1732     // is actually stored as a char*, not a variant.
1733
1734     wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for array operator") );
1735
1736     wxVariantDataList* data = (wxVariantDataList*) m_data;
1737     wxASSERT_MSG( (idx < (size_t) data->GetValue().Number()), wxT("Invalid index for array") );
1738
1739     return * (wxVariant*) (data->GetValue().Nth(idx)->Data());
1740 }
1741
1742 // Return the number of elements in a list
1743 int wxVariant::GetCount() const
1744 {
1745     wxASSERT_MSG( (GetType() == wxT("list") || GetType() == wxT("stringlist")), wxT("Invalid type for GetCount()") );
1746
1747     if (GetType() == wxT("list"))
1748     {
1749         wxVariantDataList* data = (wxVariantDataList*) m_data;
1750         return data->GetValue().Number();
1751     }
1752     else if (GetType() == wxT("stringlist"))
1753     {
1754         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
1755         return data->GetValue().Number();
1756     }
1757     return 0;
1758 }
1759
1760 wxString wxVariant::MakeString() const
1761 {
1762     if (!IsNull())
1763     {
1764         wxString str;
1765         if (GetData()->Write(str))
1766             return str;
1767     }
1768     return wxString(wxT(""));
1769 }
1770
1771 // Accessors
1772
1773 void wxVariant::SetData(wxVariantData* data)
1774 {
1775     if (m_data) delete m_data;
1776     m_data = data;
1777 }
1778
1779
1780 // Returns a string representing the type of the variant,
1781 // e.g. "string", "bool", "stringlist", "list", "double", "long"
1782 wxString wxVariant::GetType() const
1783 {
1784     if (IsNull())
1785         return wxString(wxT("null"));
1786     else
1787         return m_data->GetType();
1788 }
1789
1790
1791 bool wxVariant::IsType(const wxString& type) const
1792 {
1793     return (GetType() == type);
1794 }
1795
1796
1797 // Value accessors
1798 double wxVariant::GetReal() const
1799 {
1800     double value;
1801     if (Convert(& value))
1802         return value;
1803     else
1804     {
1805         wxFAIL_MSG(wxT("Could not convert to a real number"));
1806         return 0.0;
1807     }
1808 }
1809
1810 long wxVariant::GetInteger() const
1811 {
1812     long value;
1813     if (Convert(& value))
1814         return value;
1815     else
1816     {
1817         wxFAIL_MSG(wxT("Could not convert to an integer"));
1818         return 0;
1819     }
1820 }
1821
1822 char wxVariant::GetChar() const
1823 {
1824     char value;
1825     if (Convert(& value))
1826         return value;
1827     else
1828     {
1829         wxFAIL_MSG(wxT("Could not convert to a char"));
1830         return 0;
1831     }
1832 }
1833
1834 bool wxVariant::GetBool() const
1835 {
1836     bool value;
1837     if (Convert(& value))
1838         return value;
1839     else
1840     {
1841         wxFAIL_MSG(wxT("Could not convert to a bool"));
1842         return 0;
1843     }
1844 }
1845
1846 wxString wxVariant::GetString() const
1847 {
1848     wxString value;
1849     if (!Convert(& value))
1850     {
1851         wxFAIL_MSG(wxT("Could not convert to a string"));
1852     }
1853
1854     return value;
1855 }
1856
1857 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
1858 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
1859 wxTime wxVariant::GetTime() const
1860 {
1861     wxTime value;
1862     if (!Convert(& value))
1863     {
1864         wxFAIL_MSG(wxT("Could not convert to a time"));
1865     }
1866
1867     return value;
1868 }
1869
1870 wxDate wxVariant::GetDate() const
1871 {
1872     wxDate value;
1873     if (!Convert(& value))
1874     {
1875         wxFAIL_MSG(wxT("Could not convert to a date"));
1876     }
1877
1878     return value;
1879 }
1880 #endif // wxUSE_TIMEDATE
1881
1882 void* wxVariant::GetVoidPtr() const
1883 {
1884     wxASSERT( (GetType() == wxT("void*")) );
1885
1886     return (void*) ((wxVariantDataVoidPtr*) m_data)->GetValue();
1887 }
1888
1889 wxDateTime wxVariant::GetDateTime() const
1890 {
1891     wxDateTime value;
1892     if (!Convert(& value))
1893     {
1894         wxFAIL_MSG(wxT("Could not convert to a datetime"));
1895     }
1896
1897     return value;
1898 }
1899
1900 wxList& wxVariant::GetList() const
1901 {
1902     wxASSERT( (GetType() == wxT("list")) );
1903
1904     return (wxList&) ((wxVariantDataList*) m_data)->GetValue();
1905 }
1906
1907 wxStringList& wxVariant::GetStringList() const
1908 {
1909     wxASSERT( (GetType() == wxT("stringlist")) );
1910
1911     return (wxStringList&) ((wxVariantDataStringList*) m_data)->GetValue();
1912 }
1913
1914 // Append to list
1915 void wxVariant::Append(const wxVariant& value)
1916 {
1917     wxList& list = GetList();
1918
1919     list.Append(new wxVariant(value));
1920 }
1921
1922 // Insert at front of list
1923 void wxVariant::Insert(const wxVariant& value)
1924 {
1925     wxList& list = GetList();
1926
1927     list.Insert(new wxVariant(value));
1928 }
1929
1930 // Returns TRUE if the variant is a member of the list
1931 bool wxVariant::Member(const wxVariant& value) const
1932 {
1933     wxList& list = GetList();
1934
1935     wxNode* node = list.First();
1936     while (node)
1937     {
1938         wxVariant* other = (wxVariant*) node->Data();
1939         if (value == *other)
1940             return TRUE;
1941         node = node->Next();
1942     }
1943     return FALSE;
1944 }
1945
1946 // Deletes the nth element of the list
1947 bool wxVariant::Delete(int item)
1948 {
1949     wxList& list = GetList();
1950
1951     wxASSERT_MSG( (item < list.Number()), wxT("Invalid index to Delete") );
1952     wxNode* node = list.Nth(item);
1953     wxVariant* variant = (wxVariant*) node->Data();
1954     delete variant;
1955     delete node;
1956     return TRUE;
1957 }
1958
1959 // Clear list
1960 void wxVariant::ClearList()
1961 {
1962     if (!IsNull() && (GetType() == wxT("list")))
1963     {
1964         ((wxVariantDataList*) m_data)->Clear();
1965     }
1966     else
1967     {
1968         if (GetType() != wxT("list"))
1969         {
1970             delete m_data;
1971             m_data = NULL;
1972         }
1973         m_data = new wxVariantDataList;
1974     }
1975 }
1976
1977 // Type conversion
1978 bool wxVariant::Convert(long* value) const
1979 {
1980     wxString type(GetType());
1981     if (type == wxT("double"))
1982         *value = (long) (((wxVariantDataReal*)GetData())->GetValue());
1983     else if (type == wxT("long"))
1984         *value = ((wxVariantDataLong*)GetData())->GetValue();
1985 #ifdef HAVE_BOOL
1986     else if (type == wxT("bool"))
1987         *value = (long) (((wxVariantDataBool*)GetData())->GetValue());
1988 #endif
1989     else if (type == wxT("string"))
1990         *value = wxAtol((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
1991     else
1992         return FALSE;
1993
1994     return TRUE;
1995 }
1996
1997 bool wxVariant::Convert(bool* value) const
1998 {
1999     wxString type(GetType());
2000     if (type == wxT("double"))
2001         *value = ((int) (((wxVariantDataReal*)GetData())->GetValue()) != 0);
2002     else if (type == wxT("long"))
2003         *value = (((wxVariantDataLong*)GetData())->GetValue() != 0);
2004 #ifdef HAVE_BOOL
2005     else if (type == wxT("bool"))
2006         *value = ((wxVariantDataBool*)GetData())->GetValue();
2007 #endif
2008     else if (type == wxT("string"))
2009     {
2010         wxString val(((wxVariantDataString*)GetData())->GetValue());
2011         val.MakeLower();
2012         if (val == wxT("true") || val == wxT("yes"))
2013             *value = TRUE;
2014         else if (val == wxT("false") || val == wxT("no"))
2015             *value = FALSE;
2016         else
2017             return FALSE;
2018     }
2019     else
2020         return FALSE;
2021
2022     return TRUE;
2023 }
2024
2025 bool wxVariant::Convert(double* value) const
2026 {
2027     wxString type(GetType());
2028     if (type == wxT("double"))
2029         *value = ((wxVariantDataReal*)GetData())->GetValue();
2030     else if (type == wxT("long"))
2031         *value = (double) (((wxVariantDataLong*)GetData())->GetValue());
2032 #ifdef HAVE_BOOL
2033     else if (type == wxT("bool"))
2034         *value = (double) (((wxVariantDataBool*)GetData())->GetValue());
2035 #endif
2036     else if (type == wxT("string"))
2037         *value = (double) wxAtof((const wxChar*) ((wxVariantDataString*)GetData())->GetValue());
2038     else
2039         return FALSE;
2040
2041     return TRUE;
2042 }
2043
2044 bool wxVariant::Convert(char* value) const
2045 {
2046     wxString type(GetType());
2047     if (type == wxT("char"))
2048         *value = ((wxVariantDataChar*)GetData())->GetValue();
2049     else if (type == wxT("long"))
2050         *value = (char) (((wxVariantDataLong*)GetData())->GetValue());
2051 #ifdef HAVE_BOOL
2052     else if (type == wxT("bool"))
2053         *value = (char) (((wxVariantDataBool*)GetData())->GetValue());
2054 #endif
2055     else
2056         return FALSE;
2057
2058     return TRUE;
2059 }
2060
2061 bool wxVariant::Convert(wxString* value) const
2062 {
2063     *value = MakeString();
2064     return TRUE;
2065 }
2066
2067 // For some reason, Watcom C++ can't link variant.cpp with time/date classes compiled
2068 #if wxUSE_TIMEDATE && !defined(__WATCOMC__)
2069 bool wxVariant::Convert(wxTime* value) const
2070 {
2071     wxString type(GetType());
2072     if (type == wxT("time"))
2073         *value = ((wxVariantDataTime*)GetData())->GetValue();
2074     else if (type == wxT("date"))
2075         *value = wxTime(((wxVariantDataDate*)GetData())->GetValue());
2076     else
2077         return FALSE;
2078
2079     return TRUE;
2080 }
2081
2082 bool wxVariant::Convert(wxDate* value) const
2083 {
2084     wxString type(GetType());
2085     if (type == wxT("date"))
2086         *value = ((wxVariantDataDate*)GetData())->GetValue();
2087     else
2088         return FALSE;
2089
2090     return TRUE;
2091 }
2092 #endif // wxUSE_TIMEDATE
2093
2094 bool wxVariant::Convert(wxDateTime* value) const
2095 {
2096     wxString type(GetType());
2097     if (type == wxT("datetime"))
2098         *value = ((wxVariantDataDateTime*)GetData())->GetValue();
2099     else
2100         return FALSE;
2101
2102     return TRUE;
2103 }