src/common/variant.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/common/variant.cpp
   3 // Purpose:     wxVariant class, container for any type
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     10/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c)
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx/wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16     #pragma hdrstop
  17 #endif
  18
  19 #include "wx/variant.h"
  20
  21 #if wxUSE_VARIANT
  22
  23 #ifndef WX_PRECOMP
  24     #include "wx/string.h"
  25     #include "wx/math.h"
  26     #include "wx/crt.h"
  27     #if wxUSE_STREAMS
  28         #include "wx/stream.h"
  29     #endif
  30 #endif
  31
  32 #if wxUSE_STD_IOSTREAM
  33     #if wxUSE_IOSTREAMH
  34         #include <fstream.h>
  35     #else
  36         #include <fstream>
  37     #endif
  38 #endif
  39
  40 #if defined(__MWERKS__) && __MSL__ >= 0x6000
  41 namespace std {}
  42 using namespace std ;
  43 #endif
  44
  45 #if wxUSE_STREAMS
  46     #include "wx/txtstrm.h"
  47 #endif
  48
  49 #include "wx/string.h"
  50 #include "wx/tokenzr.h"
  51
  52 wxVariant WXDLLIMPEXP_BASE wxNullVariant;
  53
  54
  55 #include "wx/listimpl.cpp"
  56 WX_DEFINE_LIST(wxVariantList)
  57
  58 /*
  59  * wxVariant
  60  */
  61
  62 IMPLEMENT_DYNAMIC_CLASS(wxVariant, wxObject)
  63
  64 wxVariant::wxVariant()
  65     : wxObject()
  66 {
  67 }
  68
  69 bool wxVariant::IsNull() const
  70 {
  71      return (m_refData == NULL);
  72 }
  73
  74 void wxVariant::MakeNull()
  75 {
  76     UnRef();
  77 }
  78
  79 void wxVariant::Clear()
  80 {
  81     m_name = wxEmptyString;
  82 }
  83
  84 wxVariant::wxVariant(const wxVariant& variant)
  85     : wxObject()
  86 {
  87     if (!variant.IsNull())
  88         Ref(variant);
  89
  90     m_name = variant.m_name;
  91 }
  92
  93 wxVariant::wxVariant(wxVariantData* data, const wxString& name) // User-defined data
  94     : wxObject()
  95 {
  96     m_refData = data;
  97     m_name = name;
  98 }
  99
 100 wxVariant::~wxVariant()
 101 {
 102 }
 103
 104 wxObjectRefData *wxVariant::CreateRefData() const
 105 {
 106     // We cannot create any particular wxVariantData.
 107     wxFAIL_MSG("wxVariant::CreateRefData() cannot be implemented");
 108     return NULL;
 109 }
 110
 111 wxObjectRefData *wxVariant::CloneRefData(const wxObjectRefData *data) const
 112 {
 113     return ((wxVariantData*) data)->Clone();
 114 }
 115
 116 // Assignment
 117 void wxVariant::operator= (const wxVariant& variant)
 118 {
 119     Ref(variant);
 120     m_name = variant.m_name;
 121 }
 122
 123 // myVariant = new wxStringVariantData("hello")
 124 void wxVariant::operator= (wxVariantData* variantData)
 125 {
 126     UnRef();
 127     m_refData = variantData;
 128 }
 129
 130 bool wxVariant::operator== (const wxVariant& variant) const
 131 {
 132     if (IsNull() || variant.IsNull())
 133         return (IsNull() == variant.IsNull());
 134
 135     if (GetType() != variant.GetType())
 136         return false;
 137
 138     return (GetData()->Eq(* variant.GetData()));
 139 }
 140
 141 bool wxVariant::operator!= (const wxVariant& variant) const
 142 {
 143     return (!(*this == variant));
 144 }
 145
 146 wxString wxVariant::MakeString() const
 147 {
 148     if (!IsNull())
 149     {
 150         wxString str;
 151         if (GetData()->Write(str))
 152             return str;
 153     }
 154     return wxEmptyString;
 155 }
 156
 157 void wxVariant::SetData(wxVariantData* data)
 158 {
 159     UnRef();
 160     m_refData = data;
 161 }
 162
 163 bool wxVariant::Unshare()
 164 {
 165     if ( !m_refData || m_refData->GetRefCount() == 1 )
 166         return true;
 167
 168     wxObject::UnShare();
 169
 170     return (m_refData && m_refData->GetRefCount() == 1);
 171 }
 172
 173
 174 // Returns a string representing the type of the variant,
 175 // e.g. "string", "bool", "list", "double", "long"
 176 wxString wxVariant::GetType() const
 177 {
 178     if (IsNull())
 179         return wxString(wxT("null"));
 180     else
 181         return GetData()->GetType();
 182 }
 183
 184
 185 bool wxVariant::IsType(const wxString& type) const
 186 {
 187     return (GetType() == type);
 188 }
 189
 190 bool wxVariant::IsValueKindOf(const wxClassInfo* type) const
 191 {
 192     wxClassInfo* info=GetData()->GetValueClassInfo();
 193     return info ? info->IsKindOf(type) : false ;
 194 }
 195
 196 // -----------------------------------------------------------------
 197 // wxVariant <-> wxAny conversion code
 198 // -----------------------------------------------------------------
 199
 200 #if wxUSE_ANY
 201
 202 wxAnyToVariantRegistration::
 203     wxAnyToVariantRegistration(wxVariantDataFactory factory)
 204         : m_factory(factory)
 205 {
 206     wxPreRegisterAnyToVariant(this);
 207 }
 208
 209 wxAnyToVariantRegistration::~wxAnyToVariantRegistration()
 210 {
 211 }
 212
 213 wxVariant::wxVariant(const wxAny& any)
 214     : wxObject()
 215 {
 216     wxVariant variant;
 217     if ( !any.GetAs(&variant) )
 218     {
 219         wxFAIL_MSG("wxAny of this type cannot be converted to wxVariant");
 220         return;
 221     }
 222
 223     *this = variant;
 224 }
 225
 226 wxAny wxVariant::GetAny() const
 227 {
 228     if ( IsNull() )
 229         return wxAny();
 230
 231     wxAny any;
 232     wxVariantData* data = GetData();
 233
 234     if ( data->GetAsAny(&any) )
 235         return any;
 236
 237     // If everything else fails, wrap the whole wxVariantData
 238     return wxAny(data);
 239 }
 240
 241 #endif // wxUSE_ANY
 242
 243 // -----------------------------------------------------------------
 244 // wxVariantDataLong
 245 // -----------------------------------------------------------------
 246
 247 class WXDLLIMPEXP_BASE wxVariantDataLong: public wxVariantData
 248 {
 249 public:
 250     wxVariantDataLong() { m_value = 0; }
 251     wxVariantDataLong(long value) { m_value = value; }
 252
 253     inline long GetValue() const { return m_value; }
 254     inline void SetValue(long value) { m_value = value; }
 255
 256     virtual bool Eq(wxVariantData& data) const;
 257
 258     virtual bool Read(wxString& str);
 259     virtual bool Write(wxString& str) const;
 260 #if wxUSE_STD_IOSTREAM
 261     virtual bool Read(wxSTD istream& str);
 262     virtual bool Write(wxSTD ostream& str) const;
 263 #endif
 264 #if wxUSE_STREAMS
 265     virtual bool Read(wxInputStream& str);
 266     virtual bool Write(wxOutputStream &str) const;
 267 #endif // wxUSE_STREAMS
 268
 269     wxVariantData* Clone() const { return new wxVariantDataLong(m_value); }
 270
 271     virtual wxString GetType() const { return wxT("long"); }
 272
 273 #if wxUSE_ANY
 274     // Since wxAny does not have separate type for integers shorter than
 275     // longlong, we do not usually implement wxVariant->wxAny conversion
 276     // here (but in wxVariantDataLongLong instead).
 277   #ifndef wxLongLong_t
 278     DECLARE_WXANY_CONVERSION()
 279   #else
 280     bool GetAsAny(wxAny* any) const
 281     {
 282         *any = m_value;
 283         return true;
 284     }
 285   #endif
 286 #endif // wxUSE_ANY
 287
 288 protected:
 289     long m_value;
 290 };
 291
 292 #ifndef wxLongLong_t
 293 IMPLEMENT_TRIVIAL_WXANY_CONVERSION(long, wxVariantDataLong)
 294 #endif
 295
 296 bool wxVariantDataLong::Eq(wxVariantData& data) const
 297 {
 298     wxASSERT_MSG( (data.GetType() == wxT("long")), wxT("wxVariantDataLong::Eq: argument mismatch") );
 299
 300     wxVariantDataLong& otherData = (wxVariantDataLong&) data;
 301
 302     return (otherData.m_value == m_value);
 303 }
 304
 305 #if wxUSE_STD_IOSTREAM
 306 bool wxVariantDataLong::Write(wxSTD ostream& str) const
 307 {
 308     wxString s;
 309     Write(s);
 310     str << (const char*) s.mb_str();
 311     return true;
 312 }
 313 #endif
 314
 315 bool wxVariantDataLong::Write(wxString& str) const
 316 {
 317     str.Printf(wxT("%ld"), m_value);
 318     return true;
 319 }
 320
 321 #if wxUSE_STD_IOSTREAM
 322 bool wxVariantDataLong::Read(wxSTD istream& str)
 323 {
 324     str >> m_value;
 325     return true;
 326 }
 327 #endif
 328
 329 #if wxUSE_STREAMS
 330 bool wxVariantDataLong::Write(wxOutputStream& str) const
 331 {
 332     wxTextOutputStream s(str);
 333
 334     s.Write32((size_t)m_value);
 335     return true;
 336 }
 337
 338 bool wxVariantDataLong::Read(wxInputStream& str)
 339 {
 340    wxTextInputStream s(str);
 341    m_value = s.Read32();
 342    return true;
 343 }
 344 #endif // wxUSE_STREAMS
 345
 346 bool wxVariantDataLong::Read(wxString& str)
 347 {
 348     m_value = wxAtol(str);
 349     return true;
 350 }
 351
 352 // wxVariant
 353
 354 wxVariant::wxVariant(long val, const wxString& name)
 355 {
 356     m_refData = new wxVariantDataLong(val);
 357     m_name = name;
 358 }
 359
 360 wxVariant::wxVariant(int val, const wxString& name)
 361 {
 362     m_refData = new wxVariantDataLong((long)val);
 363     m_name = name;
 364 }
 365
 366 wxVariant::wxVariant(short val, const wxString& name)
 367 {
 368     m_refData = new wxVariantDataLong((long)val);
 369     m_name = name;
 370 }
 371
 372 bool wxVariant::operator== (long value) const
 373 {
 374     long thisValue;
 375     if (!Convert(&thisValue))
 376         return false;
 377     else
 378         return (value == thisValue);
 379 }
 380
 381 bool wxVariant::operator!= (long value) const
 382 {
 383     return (!((*this) == value));
 384 }
 385
 386 void wxVariant::operator= (long value)
 387 {
 388     if (GetType() == wxT("long") &&
 389         m_refData->GetRefCount() == 1)
 390     {
 391         ((wxVariantDataLong*)GetData())->SetValue(value);
 392     }
 393     else
 394     {
 395         UnRef();
 396         m_refData = new wxVariantDataLong(value);
 397     }
 398 }
 399
 400 long wxVariant::GetLong() const
 401 {
 402     long value;
 403     if (Convert(& value))
 404         return value;
 405     else
 406     {
 407         wxFAIL_MSG(wxT("Could not convert to a long"));
 408         return 0;
 409     }
 410 }
 411
 412 // -----------------------------------------------------------------
 413 // wxVariantDoubleData
 414 // -----------------------------------------------------------------
 415
 416 class WXDLLIMPEXP_BASE wxVariantDoubleData: public wxVariantData
 417 {
 418 public:
 419     wxVariantDoubleData() { m_value = 0.0; }
 420     wxVariantDoubleData(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 bool Eq(wxVariantData& data) const;
 426     virtual bool Read(wxString& str);
 427 #if wxUSE_STD_IOSTREAM
 428     virtual bool Write(wxSTD ostream& str) const;
 429 #endif
 430     virtual bool Write(wxString& str) const;
 431 #if wxUSE_STD_IOSTREAM
 432     virtual bool Read(wxSTD istream& str);
 433 #endif
 434 #if wxUSE_STREAMS
 435     virtual bool Read(wxInputStream& str);
 436     virtual bool Write(wxOutputStream &str) const;
 437 #endif // wxUSE_STREAMS
 438     virtual wxString GetType() const { return wxT("double"); }
 439
 440     wxVariantData* Clone() const { return new wxVariantDoubleData(m_value); }
 441
 442     DECLARE_WXANY_CONVERSION()
 443 protected:
 444     double m_value;
 445 };
 446
 447 IMPLEMENT_TRIVIAL_WXANY_CONVERSION(double, wxVariantDoubleData)
 448
 449 bool wxVariantDoubleData::Eq(wxVariantData& data) const
 450 {
 451     wxASSERT_MSG( (data.GetType() == wxT("double")), wxT("wxVariantDoubleData::Eq: argument mismatch") );
 452
 453     wxVariantDoubleData& otherData = (wxVariantDoubleData&) data;
 454
 455     return wxIsSameDouble(otherData.m_value, m_value);
 456 }
 457
 458 #if wxUSE_STD_IOSTREAM
 459 bool wxVariantDoubleData::Write(wxSTD ostream& str) const
 460 {
 461     wxString s;
 462     Write(s);
 463     str << (const char*) s.mb_str();
 464     return true;
 465 }
 466 #endif
 467
 468 bool wxVariantDoubleData::Write(wxString& str) const
 469 {
 470     str.Printf(wxT("%.14g"), m_value);
 471     return true;
 472 }
 473
 474 #if wxUSE_STD_IOSTREAM
 475 bool wxVariantDoubleData::Read(wxSTD istream& str)
 476 {
 477     str >> m_value;
 478     return true;
 479 }
 480 #endif
 481
 482 #if wxUSE_STREAMS
 483 bool wxVariantDoubleData::Write(wxOutputStream& str) const
 484 {
 485     wxTextOutputStream s(str);
 486     s.WriteDouble((double)m_value);
 487     return true;
 488 }
 489
 490 bool wxVariantDoubleData::Read(wxInputStream& str)
 491 {
 492     wxTextInputStream s(str);
 493     m_value = (float)s.ReadDouble();
 494     return true;
 495 }
 496 #endif // wxUSE_STREAMS
 497
 498 bool wxVariantDoubleData::Read(wxString& str)
 499 {
 500     m_value = wxAtof(str);
 501     return true;
 502 }
 503
 504 //  wxVariant double code
 505
 506 wxVariant::wxVariant(double val, const wxString& name)
 507 {
 508     m_refData = new wxVariantDoubleData(val);
 509     m_name = name;
 510 }
 511
 512 bool wxVariant::operator== (double value) const
 513 {
 514     double thisValue;
 515     if (!Convert(&thisValue))
 516         return false;
 517
 518     return wxIsSameDouble(value, thisValue);
 519 }
 520
 521 bool wxVariant::operator!= (double value) const
 522 {
 523     return (!((*this) == value));
 524 }
 525
 526 void wxVariant::operator= (double value)
 527 {
 528     if (GetType() == wxT("double") &&
 529         m_refData->GetRefCount() == 1)
 530     {
 531         ((wxVariantDoubleData*)GetData())->SetValue(value);
 532     }
 533     else
 534     {
 535         UnRef();
 536         m_refData = new wxVariantDoubleData(value);
 537     }
 538 }
 539
 540 double wxVariant::GetDouble() const
 541 {
 542     double value;
 543     if (Convert(& value))
 544         return value;
 545     else
 546     {
 547         wxFAIL_MSG(wxT("Could not convert to a double number"));
 548         return 0.0;
 549     }
 550 }
 551
 552 // -----------------------------------------------------------------
 553 // wxVariantBoolData
 554 // -----------------------------------------------------------------
 555
 556 class WXDLLIMPEXP_BASE wxVariantDataBool: public wxVariantData
 557 {
 558 public:
 559     wxVariantDataBool() { m_value = 0; }
 560     wxVariantDataBool(bool value) { m_value = value; }
 561
 562     inline bool GetValue() const { return m_value; }
 563     inline void SetValue(bool value) { m_value = value; }
 564
 565     virtual bool Eq(wxVariantData& data) const;
 566 #if wxUSE_STD_IOSTREAM
 567     virtual bool Write(wxSTD ostream& str) const;
 568 #endif
 569     virtual bool Write(wxString& str) const;
 570     virtual bool Read(wxString& str);
 571 #if wxUSE_STD_IOSTREAM
 572     virtual bool Read(wxSTD istream& str);
 573 #endif
 574 #if wxUSE_STREAMS
 575     virtual bool Read(wxInputStream& str);
 576     virtual bool Write(wxOutputStream& str) const;
 577 #endif // wxUSE_STREAMS
 578     virtual wxString GetType() const { return wxT("bool"); }
 579
 580     wxVariantData* Clone() const { return new wxVariantDataBool(m_value); }
 581
 582     DECLARE_WXANY_CONVERSION()
 583 protected:
 584     bool m_value;
 585 };
 586
 587 IMPLEMENT_TRIVIAL_WXANY_CONVERSION(bool, wxVariantDataBool)
 588
 589 bool wxVariantDataBool::Eq(wxVariantData& data) const
 590 {
 591     wxASSERT_MSG( (data.GetType() == wxT("bool")), wxT("wxVariantDataBool::Eq: argument mismatch") );
 592
 593     wxVariantDataBool& otherData = (wxVariantDataBool&) data;
 594
 595     return (otherData.m_value == m_value);
 596 }
 597
 598 #if wxUSE_STD_IOSTREAM
 599 bool wxVariantDataBool::Write(wxSTD ostream& str) const
 600 {
 601     wxString s;
 602     Write(s);
 603     str << (const char*) s.mb_str();
 604     return true;
 605 }
 606 #endif
 607
 608 bool wxVariantDataBool::Write(wxString& str) const
 609 {
 610     str.Printf(wxT("%d"), (int) m_value);
 611     return true;
 612 }
 613
 614 #if wxUSE_STD_IOSTREAM
 615 bool wxVariantDataBool::Read(wxSTD istream& WXUNUSED(str))
 616 {
 617     wxFAIL_MSG(wxT("Unimplemented"));
 618 //    str >> (long) m_value;
 619     return false;
 620 }
 621 #endif
 622
 623 #if wxUSE_STREAMS
 624 bool wxVariantDataBool::Write(wxOutputStream& str) const
 625 {
 626     wxTextOutputStream s(str);
 627
 628     s.Write8(m_value);
 629     return true;
 630 }
 631
 632 bool wxVariantDataBool::Read(wxInputStream& str)
 633 {
 634     wxTextInputStream s(str);
 635
 636     m_value = s.Read8() != 0;
 637     return true;
 638 }
 639 #endif // wxUSE_STREAMS
 640
 641 bool wxVariantDataBool::Read(wxString& str)
 642 {
 643     m_value = (wxAtol(str) != 0);
 644     return true;
 645 }
 646
 647 // wxVariant ****
 648
 649 wxVariant::wxVariant(bool val, const wxString& name)
 650 {
 651     m_refData = new wxVariantDataBool(val);
 652     m_name = name;
 653 }
 654
 655 bool wxVariant::operator== (bool value) const
 656 {
 657     bool thisValue;
 658     if (!Convert(&thisValue))
 659         return false;
 660     else
 661         return (value == thisValue);
 662 }
 663
 664 bool wxVariant::operator!= (bool value) const
 665 {
 666     return (!((*this) == value));
 667 }
 668
 669 void wxVariant::operator= (bool value)
 670 {
 671     if (GetType() == wxT("bool") &&
 672         m_refData->GetRefCount() == 1)
 673     {
 674         ((wxVariantDataBool*)GetData())->SetValue(value);
 675     }
 676     else
 677     {
 678         UnRef();
 679         m_refData = new wxVariantDataBool(value);
 680     }
 681 }
 682
 683 bool wxVariant::GetBool() const
 684 {
 685     bool value;
 686     if (Convert(& value))
 687         return value;
 688     else
 689     {
 690         wxFAIL_MSG(wxT("Could not convert to a bool"));
 691         return 0;
 692     }
 693 }
 694
 695 // -----------------------------------------------------------------
 696 // wxVariantDataChar
 697 // -----------------------------------------------------------------
 698
 699 class WXDLLIMPEXP_BASE wxVariantDataChar: public wxVariantData
 700 {
 701 public:
 702     wxVariantDataChar() { m_value = 0; }
 703     wxVariantDataChar(const wxUniChar& value) { m_value = value; }
 704
 705     inline wxUniChar GetValue() const { return m_value; }
 706     inline void SetValue(const wxUniChar& value) { m_value = value; }
 707
 708     virtual bool Eq(wxVariantData& data) const;
 709 #if wxUSE_STD_IOSTREAM
 710     virtual bool Read(wxSTD istream& str);
 711     virtual bool Write(wxSTD ostream& str) const;
 712 #endif
 713     virtual bool Read(wxString& str);
 714     virtual bool Write(wxString& str) const;
 715 #if wxUSE_STREAMS
 716     virtual bool Read(wxInputStream& str);
 717     virtual bool Write(wxOutputStream& str) const;
 718 #endif // wxUSE_STREAMS
 719     virtual wxString GetType() const { return wxT("char"); }
 720     wxVariantData* Clone() const { return new wxVariantDataChar(m_value); }
 721
 722     DECLARE_WXANY_CONVERSION()
 723 protected:
 724     wxUniChar m_value;
 725 };
 726
 727 IMPLEMENT_TRIVIAL_WXANY_CONVERSION(wxUniChar, wxVariantDataChar)
 728
 729 bool wxVariantDataChar::Eq(wxVariantData& data) const
 730 {
 731     wxASSERT_MSG( (data.GetType() == wxT("char")), wxT("wxVariantDataChar::Eq: argument mismatch") );
 732
 733     wxVariantDataChar& otherData = (wxVariantDataChar&) data;
 734
 735     return (otherData.m_value == m_value);
 736 }
 737
 738 #if wxUSE_STD_IOSTREAM
 739 bool wxVariantDataChar::Write(wxSTD ostream& str) const
 740 {
 741     str << wxString(m_value);
 742     return true;
 743 }
 744 #endif
 745
 746 bool wxVariantDataChar::Write(wxString& str) const
 747 {
 748     str = m_value;
 749     return true;
 750 }
 751
 752 #if wxUSE_STD_IOSTREAM
 753 bool wxVariantDataChar::Read(wxSTD istream& WXUNUSED(str))
 754 {
 755     wxFAIL_MSG(wxT("Unimplemented"));
 756
 757     return false;
 758 }
 759 #endif
 760
 761 #if wxUSE_STREAMS
 762 bool wxVariantDataChar::Write(wxOutputStream& str) const
 763 {
 764     wxTextOutputStream s(str);
 765
 766     // FIXME-UTF8: this should be just "s << m_value;" after removal of
 767     //             ANSI build and addition of wxUniChar to wxTextOutputStream:
 768     s << (wxChar)m_value;
 769
 770     return true;
 771 }
 772
 773 bool wxVariantDataChar::Read(wxInputStream& str)
 774 {
 775     wxTextInputStream s(str);
 776
 777     // FIXME-UTF8: this should be just "s >> m_value;" after removal of
 778     //             ANSI build and addition of wxUniChar to wxTextInputStream:
 779     wxChar ch;
 780     s >> ch;
 781     m_value = ch;
 782
 783     return true;
 784 }
 785 #endif // wxUSE_STREAMS
 786
 787 bool wxVariantDataChar::Read(wxString& str)
 788 {
 789     m_value = str[0u];
 790     return true;
 791 }
 792
 793 wxVariant::wxVariant(const wxUniChar& val, const wxString& name)
 794 {
 795     m_refData = new wxVariantDataChar(val);
 796     m_name = name;
 797 }
 798
 799 wxVariant::wxVariant(char val, const wxString& name)
 800 {
 801     m_refData = new wxVariantDataChar(val);
 802     m_name = name;
 803 }
 804
 805 wxVariant::wxVariant(wchar_t val, const wxString& name)
 806 {
 807     m_refData = new wxVariantDataChar(val);
 808     m_name = name;
 809 }
 810
 811 bool wxVariant::operator==(const wxUniChar& value) const
 812 {
 813     wxUniChar thisValue;
 814     if (!Convert(&thisValue))
 815         return false;
 816     else
 817         return (value == thisValue);
 818 }
 819
 820 wxVariant& wxVariant::operator=(const wxUniChar& value)
 821 {
 822     if (GetType() == wxT("char") &&
 823         m_refData->GetRefCount() == 1)
 824     {
 825         ((wxVariantDataChar*)GetData())->SetValue(value);
 826     }
 827     else
 828     {
 829         UnRef();
 830         m_refData = new wxVariantDataChar(value);
 831     }
 832
 833     return *this;
 834 }
 835
 836 wxUniChar wxVariant::GetChar() const
 837 {
 838     wxUniChar value;
 839     if (Convert(& value))
 840         return value;
 841     else
 842     {
 843         wxFAIL_MSG(wxT("Could not convert to a char"));
 844         return wxUniChar(0);
 845     }
 846 }
 847
 848 // ----------------------------------------------------------------------------
 849 // wxVariantDataString
 850 // ----------------------------------------------------------------------------
 851
 852 class WXDLLIMPEXP_BASE wxVariantDataString: public wxVariantData
 853 {
 854 public:
 855     wxVariantDataString() { }
 856     wxVariantDataString(const wxString& value) { m_value = value; }
 857
 858     inline wxString GetValue() const { return m_value; }
 859     inline void SetValue(const wxString& value) { m_value = value; }
 860
 861     virtual bool Eq(wxVariantData& data) const;
 862 #if wxUSE_STD_IOSTREAM
 863     virtual bool Write(wxSTD ostream& str) const;
 864 #endif
 865     virtual bool Read(wxString& str);
 866     virtual bool Write(wxString& str) const;
 867 #if wxUSE_STD_IOSTREAM
 868     virtual bool Read(wxSTD istream& WXUNUSED(str)) { return false; }
 869 #endif
 870 #if wxUSE_STREAMS
 871     virtual bool Read(wxInputStream& str);
 872     virtual bool Write(wxOutputStream& str) const;
 873 #endif // wxUSE_STREAMS
 874     virtual wxString GetType() const { return wxT("string"); }
 875     wxVariantData* Clone() const { return new wxVariantDataString(m_value); }
 876
 877     DECLARE_WXANY_CONVERSION()
 878 protected:
 879     wxString m_value;
 880 };
 881
 882 IMPLEMENT_TRIVIAL_WXANY_CONVERSION(wxString, wxVariantDataString)
 883
 884 #if wxUSE_ANY
 885 // This allows converting string literal wxAnys to string variants
 886 wxVariantData* wxVariantDataFromConstCharPAny(const wxAny& any)
 887 {
 888     return new wxVariantDataString(wxANY_AS(any, const char*));
 889 }
 890
 891 wxVariantData* wxVariantDataFromConstWchar_tPAny(const wxAny& any)
 892 {
 893     return new wxVariantDataString(wxANY_AS(any, const wchar_t*));
 894 }
 895
 896 _REGISTER_WXANY_CONVERSION(const char*,
 897                            ConstCharP,
 898                            wxVariantDataFromConstCharPAny)
 899 _REGISTER_WXANY_CONVERSION(const wchar_t*,
 900                            ConstWchar_tP,
 901                            wxVariantDataFromConstWchar_tPAny)
 902 #endif
 903
 904 bool wxVariantDataString::Eq(wxVariantData& data) const
 905 {
 906     wxASSERT_MSG( (data.GetType() == wxT("string")), wxT("wxVariantDataString::Eq: argument mismatch") );
 907
 908     wxVariantDataString& otherData = (wxVariantDataString&) data;
 909
 910     return (otherData.m_value == m_value);
 911 }
 912
 913 #if wxUSE_STD_IOSTREAM
 914 bool wxVariantDataString::Write(wxSTD ostream& str) const
 915 {
 916     str << (const char*) m_value.mb_str();
 917     return true;
 918 }
 919 #endif
 920
 921 bool wxVariantDataString::Write(wxString& str) const
 922 {
 923     str = m_value;
 924     return true;
 925 }
 926
 927 #if wxUSE_STREAMS
 928 bool wxVariantDataString::Write(wxOutputStream& str) const
 929 {
 930   // why doesn't wxOutputStream::operator<< take "const wxString&"
 931     wxTextOutputStream s(str);
 932     s.WriteString(m_value);
 933     return true;
 934 }
 935
 936 bool wxVariantDataString::Read(wxInputStream& str)
 937 {
 938     wxTextInputStream s(str);
 939
 940     m_value = s.ReadLine();
 941     return true;
 942 }
 943 #endif // wxUSE_STREAMS
 944
 945 bool wxVariantDataString::Read(wxString& str)
 946 {
 947     m_value = str;
 948     return true;
 949 }
 950
 951 // wxVariant ****
 952
 953 wxVariant::wxVariant(const wxString& val, const wxString& name)
 954 {
 955     m_refData = new wxVariantDataString(val);
 956     m_name = name;
 957 }
 958
 959 wxVariant::wxVariant(const char* val, const wxString& name)
 960 {
 961     m_refData = new wxVariantDataString(wxString(val));
 962     m_name = name;
 963 }
 964
 965 wxVariant::wxVariant(const wchar_t* val, const wxString& name)
 966 {
 967     m_refData = new wxVariantDataString(wxString(val));
 968     m_name = name;
 969 }
 970
 971 wxVariant::wxVariant(const wxCStrData& val, const wxString& name)
 972 {
 973     m_refData = new wxVariantDataString(val.AsString());
 974     m_name = name;
 975 }
 976
 977 wxVariant::wxVariant(const wxScopedCharBuffer& val, const wxString& name)
 978 {
 979     m_refData = new wxVariantDataString(wxString(val));
 980     m_name = name;
 981 }
 982
 983 wxVariant::wxVariant(const wxScopedWCharBuffer& val, const wxString& name)
 984 {
 985     m_refData = new wxVariantDataString(wxString(val));
 986     m_name = name;
 987 }
 988
 989 #if wxUSE_STD_STRING
 990 wxVariant::wxVariant(const std::string& val, const wxString& name)
 991 {
 992     m_refData = new wxVariantDataString(wxString(val));
 993     m_name = name;
 994 }
 995
 996 wxVariant::wxVariant(const wxStdWideString& val, const wxString& name)
 997 {
 998     m_refData = new wxVariantDataString(wxString(val));
 999     m_name = name;
1000 }
1001 #endif // wxUSE_STD_STRING
1002
1003 bool wxVariant::operator== (const wxString& value) const
1004 {
1005     wxString thisValue;
1006     if (!Convert(&thisValue))
1007         return false;
1008
1009     return value == thisValue;
1010 }
1011
1012 bool wxVariant::operator!= (const wxString& value) const
1013 {
1014     return (!((*this) == value));
1015 }
1016
1017 wxVariant& wxVariant::operator= (const wxString& value)
1018 {
1019     if (GetType() == wxT("string") &&
1020         m_refData->GetRefCount() == 1)
1021     {
1022         ((wxVariantDataString*)GetData())->SetValue(value);
1023     }
1024     else
1025     {
1026         UnRef();
1027         m_refData = new wxVariantDataString(value);
1028     }
1029     return *this;
1030 }
1031
1032 wxString wxVariant::GetString() const
1033 {
1034     wxString value;
1035     if (!Convert(& value))
1036     {
1037         wxFAIL_MSG(wxT("Could not convert to a string"));
1038     }
1039
1040     return value;
1041 }
1042
1043 // ----------------------------------------------------------------------------
1044 // wxVariantDataWxObjectPtr
1045 // ----------------------------------------------------------------------------
1046
1047 class wxVariantDataWxObjectPtr: public wxVariantData
1048 {
1049 public:
1050     wxVariantDataWxObjectPtr() { }
1051     wxVariantDataWxObjectPtr(wxObject* value) { m_value = value; }
1052
1053     inline wxObject* GetValue() const { return m_value; }
1054     inline void SetValue(wxObject* value) { m_value = value; }
1055
1056     virtual bool Eq(wxVariantData& data) const;
1057 #if wxUSE_STD_IOSTREAM
1058     virtual bool Write(wxSTD ostream& str) const;
1059 #endif
1060     virtual bool Write(wxString& str) const;
1061 #if wxUSE_STD_IOSTREAM
1062     virtual bool Read(wxSTD istream& str);
1063 #endif
1064     virtual bool Read(wxString& str);
1065     virtual wxString GetType() const ;
1066     virtual wxVariantData* Clone() const { return new wxVariantDataWxObjectPtr(m_value); }
1067
1068     virtual wxClassInfo* GetValueClassInfo();
1069
1070     DECLARE_WXANY_CONVERSION()
1071 protected:
1072     wxObject* m_value;
1073 };
1074
1075 IMPLEMENT_TRIVIAL_WXANY_CONVERSION(wxObject*, wxVariantDataWxObjectPtr)
1076
1077 bool wxVariantDataWxObjectPtr::Eq(wxVariantData& data) const
1078 {
1079     wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataWxObjectPtr::Eq: argument mismatch") );
1080
1081     wxVariantDataWxObjectPtr& otherData = (wxVariantDataWxObjectPtr&) data;
1082
1083     return (otherData.m_value == m_value);
1084 }
1085
1086 wxString wxVariantDataWxObjectPtr::GetType() const
1087 {
1088     wxString returnVal(wxT("wxObject*"));
1089
1090     if (m_value)
1091     {
1092         returnVal = m_value->GetClassInfo()->GetClassName();
1093         returnVal += wxT("*");
1094     }
1095
1096     return returnVal;
1097 }
1098
1099 wxClassInfo* wxVariantDataWxObjectPtr::GetValueClassInfo()
1100 {
1101     wxClassInfo* returnVal=NULL;
1102
1103     if (m_value) returnVal = m_value->GetClassInfo();
1104
1105     return returnVal;
1106 }
1107
1108 #if wxUSE_STD_IOSTREAM
1109 bool wxVariantDataWxObjectPtr::Write(wxSTD ostream& str) const
1110 {
1111     wxString s;
1112     Write(s);
1113     str << (const char*) s.mb_str();
1114     return true;
1115 }
1116 #endif
1117
1118 bool wxVariantDataWxObjectPtr::Write(wxString& str) const
1119 {
1120     str.Printf(wxT("%s(%p)"), GetType().c_str(), static_cast<void*>(m_value));
1121     return true;
1122 }
1123
1124 #if wxUSE_STD_IOSTREAM
1125 bool wxVariantDataWxObjectPtr::Read(wxSTD istream& WXUNUSED(str))
1126 {
1127     // Not implemented
1128     return false;
1129 }
1130 #endif
1131
1132 bool wxVariantDataWxObjectPtr::Read(wxString& WXUNUSED(str))
1133 {
1134     // Not implemented
1135     return false;
1136 }
1137
1138 // wxVariant
1139
1140 wxVariant::wxVariant( wxObject* val, const wxString& name)
1141 {
1142     m_refData = new wxVariantDataWxObjectPtr(val);
1143     m_name = name;
1144 }
1145
1146 bool wxVariant::operator== (wxObject* value) const
1147 {
1148     return (value == ((wxVariantDataWxObjectPtr*)GetData())->GetValue());
1149 }
1150
1151 bool wxVariant::operator!= (wxObject* value) const
1152 {
1153     return (!((*this) == (wxObject*) value));
1154 }
1155
1156 void wxVariant::operator= (wxObject* value)
1157 {
1158     UnRef();
1159     m_refData = new wxVariantDataWxObjectPtr(value);
1160 }
1161
1162 wxObject* wxVariant::GetWxObjectPtr() const
1163 {
1164     return (wxObject*) ((wxVariantDataWxObjectPtr*) m_refData)->GetValue();
1165 }
1166
1167 // ----------------------------------------------------------------------------
1168 // wxVariantDataVoidPtr
1169 // ----------------------------------------------------------------------------
1170
1171 class wxVariantDataVoidPtr: public wxVariantData
1172 {
1173 public:
1174     wxVariantDataVoidPtr() { }
1175     wxVariantDataVoidPtr(void* value) { m_value = value; }
1176
1177     inline void* GetValue() const { return m_value; }
1178     inline void SetValue(void* value) { m_value = value; }
1179
1180     virtual bool Eq(wxVariantData& data) const;
1181 #if wxUSE_STD_IOSTREAM
1182     virtual bool Write(wxSTD ostream& str) const;
1183 #endif
1184     virtual bool Write(wxString& str) const;
1185 #if wxUSE_STD_IOSTREAM
1186     virtual bool Read(wxSTD istream& str);
1187 #endif
1188     virtual bool Read(wxString& str);
1189     virtual wxString GetType() const { return wxT("void*"); }
1190     virtual wxVariantData* Clone() const { return new wxVariantDataVoidPtr(m_value); }
1191
1192     DECLARE_WXANY_CONVERSION()
1193 protected:
1194     void* m_value;
1195 };
1196
1197 IMPLEMENT_TRIVIAL_WXANY_CONVERSION(void*, wxVariantDataVoidPtr)
1198
1199 bool wxVariantDataVoidPtr::Eq(wxVariantData& data) const
1200 {
1201     wxASSERT_MSG( data.GetType() == wxT("void*"), wxT("wxVariantDataVoidPtr::Eq: argument mismatch") );
1202
1203     wxVariantDataVoidPtr& otherData = (wxVariantDataVoidPtr&) data;
1204
1205     return (otherData.m_value == m_value);
1206 }
1207
1208 #if wxUSE_STD_IOSTREAM
1209 bool wxVariantDataVoidPtr::Write(wxSTD ostream& str) const
1210 {
1211     wxString s;
1212     Write(s);
1213     str << (const char*) s.mb_str();
1214     return true;
1215 }
1216 #endif
1217
1218 bool wxVariantDataVoidPtr::Write(wxString& str) const
1219 {
1220     str.Printf(wxT("%p"), m_value);
1221     return true;
1222 }
1223
1224 #if wxUSE_STD_IOSTREAM
1225 bool wxVariantDataVoidPtr::Read(wxSTD istream& WXUNUSED(str))
1226 {
1227     // Not implemented
1228     return false;
1229 }
1230 #endif
1231
1232 bool wxVariantDataVoidPtr::Read(wxString& WXUNUSED(str))
1233 {
1234     // Not implemented
1235     return false;
1236 }
1237
1238 // wxVariant
1239
1240 wxVariant::wxVariant( void* val, const wxString& name)
1241 {
1242     m_refData = new wxVariantDataVoidPtr(val);
1243     m_name = name;
1244 }
1245
1246 bool wxVariant::operator== (void* value) const
1247 {
1248     return (value == ((wxVariantDataVoidPtr*)GetData())->GetValue());
1249 }
1250
1251 bool wxVariant::operator!= (void* value) const
1252 {
1253     return (!((*this) == (void*) value));
1254 }
1255
1256 void wxVariant::operator= (void* value)
1257 {
1258     if (GetType() == wxT("void*") && (m_refData->GetRefCount() == 1))
1259     {
1260         ((wxVariantDataVoidPtr*)GetData())->SetValue(value);
1261     }
1262     else
1263     {
1264         UnRef();
1265         m_refData = new wxVariantDataVoidPtr(value);
1266     }
1267 }
1268
1269 void* wxVariant::GetVoidPtr() const
1270 {
1271     // handling this specially is convenient when working with COM, see #9873
1272     if ( IsNull() )
1273         return NULL;
1274
1275     wxASSERT( GetType() == wxT("void*") );
1276
1277     return (void*) ((wxVariantDataVoidPtr*) m_refData)->GetValue();
1278 }
1279
1280 // ----------------------------------------------------------------------------
1281 // wxVariantDataDateTime
1282 // ----------------------------------------------------------------------------
1283
1284 #if wxUSE_DATETIME
1285
1286 class wxVariantDataDateTime: public wxVariantData
1287 {
1288 public:
1289     wxVariantDataDateTime() { }
1290     wxVariantDataDateTime(const wxDateTime& value) { m_value = value; }
1291
1292     inline wxDateTime GetValue() const { return m_value; }
1293     inline void SetValue(const wxDateTime& value) { m_value = value; }
1294
1295     virtual bool Eq(wxVariantData& data) const;
1296 #if wxUSE_STD_IOSTREAM
1297     virtual bool Write(wxSTD ostream& str) const;
1298 #endif
1299     virtual bool Write(wxString& str) const;
1300 #if wxUSE_STD_IOSTREAM
1301     virtual bool Read(wxSTD istream& str);
1302 #endif
1303     virtual bool Read(wxString& str);
1304     virtual wxString GetType() const { return wxT("datetime"); }
1305     virtual wxVariantData* Clone() const { return new wxVariantDataDateTime(m_value); }
1306
1307     DECLARE_WXANY_CONVERSION()
1308 protected:
1309     wxDateTime m_value;
1310 };
1311
1312 IMPLEMENT_TRIVIAL_WXANY_CONVERSION(wxDateTime, wxVariantDataDateTime)
1313
1314 bool wxVariantDataDateTime::Eq(wxVariantData& data) const
1315 {
1316     wxASSERT_MSG( (data.GetType() == wxT("datetime")), wxT("wxVariantDataDateTime::Eq: argument mismatch") );
1317
1318     wxVariantDataDateTime& otherData = (wxVariantDataDateTime&) data;
1319
1320     return (otherData.m_value == m_value);
1321 }
1322
1323
1324 #if wxUSE_STD_IOSTREAM
1325 bool wxVariantDataDateTime::Write(wxSTD ostream& str) const
1326 {
1327     wxString value;
1328     Write( value );
1329     str << value.c_str();
1330     return true;
1331 }
1332 #endif
1333
1334
1335 bool wxVariantDataDateTime::Write(wxString& str) const
1336 {
1337     if ( m_value.IsValid() )
1338         str = m_value.Format();
1339     else
1340         str = wxS("Invalid");
1341     return true;
1342 }
1343
1344
1345 #if wxUSE_STD_IOSTREAM
1346 bool wxVariantDataDateTime::Read(wxSTD istream& WXUNUSED(str))
1347 {
1348     // Not implemented
1349     return false;
1350 }
1351 #endif
1352
1353
1354 bool wxVariantDataDateTime::Read(wxString& str)
1355 {
1356     if ( str == wxS("Invalid") )
1357     {
1358         m_value = wxInvalidDateTime;
1359         return true;
1360     }
1361
1362     wxString::const_iterator end;
1363     return m_value.ParseDateTime(str, &end) && end == str.end();
1364 }
1365
1366 // wxVariant
1367
1368 wxVariant::wxVariant(const wxDateTime& val, const wxString& name) // Date
1369 {
1370     m_refData = new wxVariantDataDateTime(val);
1371     m_name = name;
1372 }
1373
1374 bool wxVariant::operator== (const wxDateTime& value) const
1375 {
1376     wxDateTime thisValue;
1377     if (!Convert(&thisValue))
1378         return false;
1379
1380     return value.IsEqualTo(thisValue);
1381 }
1382
1383 bool wxVariant::operator!= (const wxDateTime& value) const
1384 {
1385     return (!((*this) == value));
1386 }
1387
1388 void wxVariant::operator= (const wxDateTime& value)
1389 {
1390     if (GetType() == wxT("datetime") &&
1391         m_refData->GetRefCount() == 1)
1392     {
1393         ((wxVariantDataDateTime*)GetData())->SetValue(value);
1394     }
1395     else
1396     {
1397         UnRef();
1398         m_refData = new wxVariantDataDateTime(value);
1399     }
1400 }
1401
1402 wxDateTime wxVariant::GetDateTime() const
1403 {
1404     wxDateTime value;
1405     if (!Convert(& value))
1406     {
1407         wxFAIL_MSG(wxT("Could not convert to a datetime"));
1408     }
1409
1410     return value;
1411 }
1412
1413 #endif // wxUSE_DATETIME
1414
1415 // ----------------------------------------------------------------------------
1416 // wxVariantDataArrayString
1417 // ----------------------------------------------------------------------------
1418
1419 class wxVariantDataArrayString: public wxVariantData
1420 {
1421 public:
1422     wxVariantDataArrayString() { }
1423     wxVariantDataArrayString(const wxArrayString& value) { m_value = value; }
1424
1425     wxArrayString GetValue() const { return m_value; }
1426     void SetValue(const wxArrayString& value) { m_value = value; }
1427
1428     virtual bool Eq(wxVariantData& data) const;
1429 #if wxUSE_STD_IOSTREAM
1430     virtual bool Write(wxSTD ostream& str) const;
1431 #endif
1432     virtual bool Write(wxString& str) const;
1433 #if wxUSE_STD_IOSTREAM
1434     virtual bool Read(wxSTD istream& str);
1435 #endif
1436     virtual bool Read(wxString& str);
1437     virtual wxString GetType() const { return wxT("arrstring"); }
1438     virtual wxVariantData* Clone() const { return new wxVariantDataArrayString(m_value); }
1439
1440     DECLARE_WXANY_CONVERSION()
1441 protected:
1442     wxArrayString m_value;
1443 };
1444
1445 IMPLEMENT_TRIVIAL_WXANY_CONVERSION(wxArrayString, wxVariantDataArrayString)
1446
1447 bool wxVariantDataArrayString::Eq(wxVariantData& data) const
1448 {
1449     wxASSERT_MSG( data.GetType() == GetType(), wxT("wxVariantDataArrayString::Eq: argument mismatch") );
1450
1451     wxVariantDataArrayString& otherData = (wxVariantDataArrayString&) data;
1452
1453     return otherData.m_value == m_value;
1454 }
1455
1456 #if wxUSE_STD_IOSTREAM
1457 bool wxVariantDataArrayString::Write(wxSTD ostream& WXUNUSED(str)) const
1458 {
1459     // Not implemented
1460     return false;
1461 }
1462 #endif
1463
1464 bool wxVariantDataArrayString::Write(wxString& str) const
1465 {
1466     size_t count = m_value.GetCount();
1467     for ( size_t n = 0; n < count; n++ )
1468     {
1469         if ( n )
1470             str += wxT(';');
1471
1472         str += m_value[n];
1473     }
1474
1475     return true;
1476 }
1477
1478
1479 #if wxUSE_STD_IOSTREAM
1480 bool wxVariantDataArrayString::Read(wxSTD istream& WXUNUSED(str))
1481 {
1482     // Not implemented
1483     return false;
1484 }
1485 #endif
1486
1487
1488 bool wxVariantDataArrayString::Read(wxString& str)
1489 {
1490     wxStringTokenizer tk(str, wxT(";"));
1491     while ( tk.HasMoreTokens() )
1492     {
1493         m_value.Add(tk.GetNextToken());
1494     }
1495
1496     return true;
1497 }
1498
1499 // wxVariant
1500
1501 wxVariant::wxVariant(const wxArrayString& val, const wxString& name) // Strings
1502 {
1503     m_refData = new wxVariantDataArrayString(val);
1504     m_name = name;
1505 }
1506
1507 bool wxVariant::operator==(const wxArrayString& WXUNUSED(value)) const
1508 {
1509     wxFAIL_MSG( wxT("TODO") );
1510
1511     return false;
1512 }
1513
1514 bool wxVariant::operator!=(const wxArrayString& value) const
1515 {
1516     return !(*this == value);
1517 }
1518
1519 void wxVariant::operator=(const wxArrayString& value)
1520 {
1521     if (GetType() == wxT("arrstring") &&
1522         m_refData->GetRefCount() == 1)
1523     {
1524         ((wxVariantDataArrayString *)GetData())->SetValue(value);
1525     }
1526     else
1527     {
1528         UnRef();
1529         m_refData = new wxVariantDataArrayString(value);
1530     }
1531 }
1532
1533 wxArrayString wxVariant::GetArrayString() const
1534 {
1535     if ( GetType() == wxT("arrstring") )
1536         return ((wxVariantDataArrayString *)GetData())->GetValue();
1537
1538     return wxArrayString();
1539 }
1540
1541 // ----------------------------------------------------------------------------
1542 // wxVariantDataLongLong
1543 // ----------------------------------------------------------------------------
1544
1545 #if wxUSE_LONGLONG
1546
1547 class WXDLLIMPEXP_BASE wxVariantDataLongLong : public wxVariantData
1548 {
1549 public:
1550     wxVariantDataLongLong() { m_value = 0; }
1551     wxVariantDataLongLong(wxLongLong value) { m_value = value; }
1552
1553     wxLongLong GetValue() const { return m_value; }
1554     void SetValue(wxLongLong value) { m_value = value; }
1555
1556     virtual bool Eq(wxVariantData& data) const;
1557
1558     virtual bool Read(wxString& str);
1559     virtual bool Write(wxString& str) const;
1560 #if wxUSE_STD_IOSTREAM
1561     virtual bool Read(wxSTD istream& str);
1562     virtual bool Write(wxSTD ostream& str) const;
1563 #endif
1564 #if wxUSE_STREAMS
1565     virtual bool Read(wxInputStream& str);
1566     virtual bool Write(wxOutputStream &str) const;
1567 #endif // wxUSE_STREAMS
1568
1569     wxVariantData* Clone() const
1570     {
1571         return new wxVariantDataLongLong(m_value);
1572     }
1573
1574     virtual wxString GetType() const { return wxS("longlong"); }
1575
1576     DECLARE_WXANY_CONVERSION()
1577 protected:
1578     wxLongLong m_value;
1579 };
1580
1581 //
1582 // wxLongLong type requires customized wxAny conversion code
1583 //
1584 #if wxUSE_ANY
1585 #ifdef wxLongLong_t
1586
1587 bool wxVariantDataLongLong::GetAsAny(wxAny* any) const
1588 {
1589     *any = m_value.GetValue();
1590     return true;
1591 }
1592
1593 wxVariantData* wxVariantDataLongLong::VariantDataFactory(const wxAny& any)
1594 {
1595     return new wxVariantDataLongLong(wxANY_AS(any, wxLongLong_t));
1596 }
1597
1598 REGISTER_WXANY_CONVERSION(wxLongLong_t, wxVariantDataLongLong)
1599
1600 #else // if !defined(wxLongLong_t)
1601
1602 bool wxVariantDataLongLong::GetAsAny(wxAny* any) const
1603 {
1604     *any = m_value;
1605     return true;
1606 }
1607
1608 wxVariantData* wxVariantDataLongLong::VariantDataFactory(const wxAny& any)
1609 {
1610     return new wxVariantDataLongLong(wxANY_AS(any, wxLongLong));
1611 }
1612
1613 REGISTER_WXANY_CONVERSION(wxLongLong, wxVariantDataLongLong)
1614
1615 #endif // defined(wxLongLong_t)/!defined(wxLongLong_t)
1616 #endif // wxUSE_ANY
1617
1618 bool wxVariantDataLongLong::Eq(wxVariantData& data) const
1619 {
1620     wxASSERT_MSG( (data.GetType() == wxS("longlong")),
1621                   "wxVariantDataLongLong::Eq: argument mismatch" );
1622
1623     wxVariantDataLongLong& otherData = (wxVariantDataLongLong&) data;
1624
1625     return (otherData.m_value == m_value);
1626 }
1627
1628 #if wxUSE_STD_IOSTREAM
1629 bool wxVariantDataLongLong::Write(wxSTD ostream& str) const
1630 {
1631     wxString s;
1632     Write(s);
1633     str << (const char*) s.mb_str();
1634     return true;
1635 }
1636 #endif
1637
1638 bool wxVariantDataLongLong::Write(wxString& str) const
1639 {
1640 #ifdef wxLongLong_t
1641     str.Printf(wxS("%lld"), m_value.GetValue());
1642     return true;
1643 #else
1644     return false;
1645 #endif
1646 }
1647
1648 #if wxUSE_STD_IOSTREAM
1649 bool wxVariantDataLongLong::Read(wxSTD istream& WXUNUSED(str))
1650 {
1651     wxFAIL_MSG(wxS("Unimplemented"));
1652     return false;
1653 }
1654 #endif
1655
1656 #if wxUSE_STREAMS
1657 bool wxVariantDataLongLong::Write(wxOutputStream& str) const
1658 {
1659     wxTextOutputStream s(str);
1660     s.Write32(m_value.GetLo());
1661     s.Write32(m_value.GetHi());
1662     return true;
1663 }
1664
1665 bool wxVariantDataLongLong::Read(wxInputStream& str)
1666 {
1667    wxTextInputStream s(str);
1668    unsigned long lo = s.Read32();
1669    long hi = s.Read32();
1670    m_value = wxLongLong(hi, lo);
1671    return true;
1672 }
1673 #endif // wxUSE_STREAMS
1674
1675 bool wxVariantDataLongLong::Read(wxString& str)
1676 {
1677 #ifdef wxLongLong_t
1678     wxLongLong_t value_t;
1679     if ( !str.ToLongLong(&value_t) )
1680         return false;
1681     m_value = value_t;
1682     return true;
1683 #else
1684     return false;
1685 #endif
1686 }
1687
1688 // wxVariant
1689
1690 wxVariant::wxVariant(wxLongLong val, const wxString& name)
1691 {
1692     m_refData = new wxVariantDataLongLong(val);
1693     m_name = name;
1694 }
1695
1696 bool wxVariant::operator==(wxLongLong value) const
1697 {
1698     wxLongLong thisValue;
1699     if ( !Convert(&thisValue) )
1700         return false;
1701     else
1702         return (value == thisValue);
1703 }
1704
1705 bool wxVariant::operator!=(wxLongLong value) const
1706 {
1707     return (!((*this) == value));
1708 }
1709
1710 void wxVariant::operator=(wxLongLong value)
1711 {
1712     if ( GetType() == wxS("longlong") &&
1713          m_refData->GetRefCount() == 1 )
1714     {
1715         ((wxVariantDataLongLong*)GetData())->SetValue(value);
1716     }
1717     else
1718     {
1719         UnRef();
1720         m_refData = new wxVariantDataLongLong(value);
1721     }
1722 }
1723
1724 wxLongLong wxVariant::GetLongLong() const
1725 {
1726     wxLongLong value;
1727     if ( Convert(&value) )
1728     {
1729         return value;
1730     }
1731     else
1732     {
1733         wxFAIL_MSG(wxT("Could not convert to a long long"));
1734         return 0;
1735     }
1736 }
1737
1738 #endif // wxUSE_LONGLONG
1739
1740 // ----------------------------------------------------------------------------
1741 // wxVariantDataULongLong
1742 // ----------------------------------------------------------------------------
1743
1744 #if wxUSE_LONGLONG
1745
1746 class WXDLLIMPEXP_BASE wxVariantDataULongLong : public wxVariantData
1747 {
1748 public:
1749     wxVariantDataULongLong() { m_value = 0; }
1750     wxVariantDataULongLong(wxULongLong value) { m_value = value; }
1751
1752     wxULongLong GetValue() const { return m_value; }
1753     void SetValue(wxULongLong value) { m_value = value; }
1754
1755     virtual bool Eq(wxVariantData& data) const;
1756
1757     virtual bool Read(wxString& str);
1758     virtual bool Write(wxString& str) const;
1759 #if wxUSE_STD_IOSTREAM
1760     virtual bool Read(wxSTD istream& str);
1761     virtual bool Write(wxSTD ostream& str) const;
1762 #endif
1763 #if wxUSE_STREAMS
1764     virtual bool Read(wxInputStream& str);
1765     virtual bool Write(wxOutputStream &str) const;
1766 #endif // wxUSE_STREAMS
1767
1768     wxVariantData* Clone() const
1769     {
1770         return new wxVariantDataULongLong(m_value);
1771     }
1772
1773     virtual wxString GetType() const { return wxS("ulonglong"); }
1774
1775     DECLARE_WXANY_CONVERSION()
1776 protected:
1777     wxULongLong m_value;
1778 };
1779
1780 //
1781 // wxULongLong type requires customized wxAny conversion code
1782 //
1783 #if wxUSE_ANY
1784 #ifdef wxLongLong_t
1785
1786 bool wxVariantDataULongLong::GetAsAny(wxAny* any) const
1787 {
1788     *any = m_value.GetValue();
1789     return true;
1790 }
1791
1792 wxVariantData* wxVariantDataULongLong::VariantDataFactory(const wxAny& any)
1793 {
1794     return new wxVariantDataULongLong(wxANY_AS(any, wxULongLong_t));
1795 }
1796
1797 REGISTER_WXANY_CONVERSION(wxULongLong_t, wxVariantDataULongLong)
1798
1799 #else // if !defined(wxLongLong_t)
1800
1801 bool wxVariantDataULongLong::GetAsAny(wxAny* any) const
1802 {
1803     *any = m_value;
1804     return true;
1805 }
1806
1807 wxVariantData* wxVariantDataULongLong::VariantDataFactory(const wxAny& any)
1808 {
1809     return new wxVariantDataULongLong(wxANY_AS(any, wxULongLong));
1810 }
1811
1812 REGISTER_WXANY_CONVERSION(wxULongLong, wxVariantDataULongLong)
1813
1814 #endif // defined(wxLongLong_t)/!defined(wxLongLong_t)
1815 #endif // wxUSE_ANY
1816
1817
1818 bool wxVariantDataULongLong::Eq(wxVariantData& data) const
1819 {
1820     wxASSERT_MSG( (data.GetType() == wxS("ulonglong")),
1821                   "wxVariantDataULongLong::Eq: argument mismatch" );
1822
1823     wxVariantDataULongLong& otherData = (wxVariantDataULongLong&) data;
1824
1825     return (otherData.m_value == m_value);
1826 }
1827
1828 #if wxUSE_STD_IOSTREAM
1829 bool wxVariantDataULongLong::Write(wxSTD ostream& str) const
1830 {
1831     wxString s;
1832     Write(s);
1833     str << (const char*) s.mb_str();
1834     return true;
1835 }
1836 #endif
1837
1838 bool wxVariantDataULongLong::Write(wxString& str) const
1839 {
1840 #ifdef wxLongLong_t
1841     str.Printf(wxS("%llu"), m_value.GetValue());
1842     return true;
1843 #else
1844     return false;
1845 #endif
1846 }
1847
1848 #if wxUSE_STD_IOSTREAM
1849 bool wxVariantDataULongLong::Read(wxSTD istream& WXUNUSED(str))
1850 {
1851     wxFAIL_MSG(wxS("Unimplemented"));
1852     return false;
1853 }
1854 #endif
1855
1856 #if wxUSE_STREAMS
1857 bool wxVariantDataULongLong::Write(wxOutputStream& str) const
1858 {
1859     wxTextOutputStream s(str);
1860     s.Write32(m_value.GetLo());
1861     s.Write32(m_value.GetHi());
1862     return true;
1863 }
1864
1865 bool wxVariantDataULongLong::Read(wxInputStream& str)
1866 {
1867    wxTextInputStream s(str);
1868    unsigned long lo = s.Read32();
1869    long hi = s.Read32();
1870    m_value = wxULongLong(hi, lo);
1871    return true;
1872 }
1873 #endif // wxUSE_STREAMS
1874
1875 bool wxVariantDataULongLong::Read(wxString& str)
1876 {
1877 #ifdef wxLongLong_t
1878     wxULongLong_t value_t;
1879     if ( !str.ToULongLong(&value_t) )
1880         return false;
1881     m_value = value_t;
1882     return true;
1883 #else
1884     return false;
1885 #endif
1886 }
1887
1888 // wxVariant
1889
1890 wxVariant::wxVariant(wxULongLong val, const wxString& name)
1891 {
1892     m_refData = new wxVariantDataULongLong(val);
1893     m_name = name;
1894 }
1895
1896 bool wxVariant::operator==(wxULongLong value) const
1897 {
1898     wxULongLong thisValue;
1899     if ( !Convert(&thisValue) )
1900         return false;
1901     else
1902         return (value == thisValue);
1903 }
1904
1905 bool wxVariant::operator!=(wxULongLong value) const
1906 {
1907     return (!((*this) == value));
1908 }
1909
1910 void wxVariant::operator=(wxULongLong value)
1911 {
1912     if ( GetType() == wxS("ulonglong") &&
1913          m_refData->GetRefCount() == 1 )
1914     {
1915         ((wxVariantDataULongLong*)GetData())->SetValue(value);
1916     }
1917     else
1918     {
1919         UnRef();
1920         m_refData = new wxVariantDataULongLong(value);
1921     }
1922 }
1923
1924 wxULongLong wxVariant::GetULongLong() const
1925 {
1926     wxULongLong value;
1927     if ( Convert(&value) )
1928     {
1929         return value;
1930     }
1931     else
1932     {
1933         wxFAIL_MSG(wxT("Could not convert to a long long"));
1934         return 0;
1935     }
1936 }
1937
1938 #endif // wxUSE_LONGLONG
1939
1940 // ----------------------------------------------------------------------------
1941 // wxVariantDataList
1942 // ----------------------------------------------------------------------------
1943
1944 class WXDLLIMPEXP_BASE wxVariantDataList: public wxVariantData
1945 {
1946 public:
1947     wxVariantDataList() {}
1948     wxVariantDataList(const wxVariantList& list);
1949     virtual ~wxVariantDataList();
1950
1951     wxVariantList& GetValue() { return m_value; }
1952     void SetValue(const wxVariantList& value) ;
1953
1954     virtual bool Eq(wxVariantData& data) const;
1955 #if wxUSE_STD_IOSTREAM
1956     virtual bool Write(wxSTD ostream& str) const;
1957 #endif
1958     virtual bool Write(wxString& str) const;
1959 #if wxUSE_STD_IOSTREAM
1960     virtual bool Read(wxSTD istream& str);
1961 #endif
1962     virtual bool Read(wxString& str);
1963     virtual wxString GetType() const { return wxT("list"); }
1964
1965     void Clear();
1966
1967     wxVariantData* Clone() const { return new wxVariantDataList(m_value); }
1968
1969     DECLARE_WXANY_CONVERSION()
1970 protected:
1971     wxVariantList  m_value;
1972 };
1973
1974 #if wxUSE_ANY
1975
1976 //
1977 // Convert to/from list of wxAnys
1978 //
1979
1980 bool wxVariantDataList::GetAsAny(wxAny* any) const
1981 {
1982     wxAnyList dst;
1983     wxVariantList::compatibility_iterator node = m_value.GetFirst();
1984     while (node)
1985     {
1986         wxVariant* pVar = node->GetData();
1987         dst.push_back(new wxAny(((const wxVariant&)*pVar)));
1988         node = node->GetNext();
1989     }
1990
1991     *any = dst;
1992     return true;
1993 }
1994
1995 wxVariantData* wxVariantDataList::VariantDataFactory(const wxAny& any)
1996 {
1997     wxAnyList src = wxANY_AS(any, wxAnyList);
1998     wxVariantList dst;
1999     wxAnyList::compatibility_iterator node = src.GetFirst();
2000     while (node)
2001     {
2002         wxAny* pAny = node->GetData();
2003         dst.push_back(new wxVariant(*pAny));
2004         node = node->GetNext();
2005     }
2006
2007     return new wxVariantDataList(dst);
2008 }
2009
2010 REGISTER_WXANY_CONVERSION(wxAnyList, wxVariantDataList)
2011
2012 #endif // wxUSE_ANY
2013
2014 wxVariantDataList::wxVariantDataList(const wxVariantList& list)
2015 {
2016     SetValue(list);
2017 }
2018
2019 wxVariantDataList::~wxVariantDataList()
2020 {
2021     Clear();
2022 }
2023
2024 void wxVariantDataList::SetValue(const wxVariantList& value)
2025 {
2026     Clear();
2027     wxVariantList::compatibility_iterator node = value.GetFirst();
2028     while (node)
2029     {
2030         wxVariant* var = node->GetData();
2031         m_value.Append(new wxVariant(*var));
2032         node = node->GetNext();
2033     }
2034 }
2035
2036 void wxVariantDataList::Clear()
2037 {
2038     wxVariantList::compatibility_iterator node = m_value.GetFirst();
2039     while (node)
2040     {
2041         wxVariant* var = node->GetData();
2042         delete var;
2043         node = node->GetNext();
2044     }
2045     m_value.Clear();
2046 }
2047
2048 bool wxVariantDataList::Eq(wxVariantData& data) const
2049 {
2050     wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Eq: argument mismatch") );
2051
2052     wxVariantDataList& listData = (wxVariantDataList&) data;
2053     wxVariantList::compatibility_iterator node1 = m_value.GetFirst();
2054     wxVariantList::compatibility_iterator node2 = listData.GetValue().GetFirst();
2055     while (node1 && node2)
2056     {
2057         wxVariant* var1 = node1->GetData();
2058         wxVariant* var2 = node2->GetData();
2059         if ((*var1) != (*var2))
2060             return false;
2061         node1 = node1->GetNext();
2062         node2 = node2->GetNext();
2063     }
2064     if (node1 || node2) return false;
2065     return true;
2066 }
2067
2068 #if wxUSE_STD_IOSTREAM
2069 bool wxVariantDataList::Write(wxSTD ostream& str) const
2070 {
2071     wxString s;
2072     Write(s);
2073     str << (const char*) s.mb_str();
2074     return true;
2075 }
2076 #endif
2077
2078 bool wxVariantDataList::Write(wxString& str) const
2079 {
2080     str = wxEmptyString;
2081     wxVariantList::compatibility_iterator node = m_value.GetFirst();
2082     while (node)
2083     {
2084         wxVariant* var = node->GetData();
2085         if (node != m_value.GetFirst())
2086           str += wxT(" ");
2087         wxString str1;
2088         str += var->MakeString();
2089         node = node->GetNext();
2090     }
2091
2092     return true;
2093 }
2094
2095 #if wxUSE_STD_IOSTREAM
2096 bool wxVariantDataList::Read(wxSTD istream& WXUNUSED(str))
2097 {
2098     wxFAIL_MSG(wxT("Unimplemented"));
2099     // TODO
2100     return false;
2101 }
2102 #endif
2103
2104 bool wxVariantDataList::Read(wxString& WXUNUSED(str))
2105 {
2106     wxFAIL_MSG(wxT("Unimplemented"));
2107     // TODO
2108     return false;
2109 }
2110
2111 // wxVariant
2112
2113 wxVariant::wxVariant(const wxVariantList& val, const wxString& name) // List of variants
2114 {
2115     m_refData = new wxVariantDataList(val);
2116     m_name = name;
2117 }
2118
2119 bool wxVariant::operator== (const wxVariantList& value) const
2120 {
2121     wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for == operator") );
2122
2123     wxVariantDataList other(value);
2124     return (GetData()->Eq(other));
2125 }
2126
2127 bool wxVariant::operator!= (const wxVariantList& value) const
2128 {
2129     return (!((*this) == value));
2130 }
2131
2132 void wxVariant::operator= (const wxVariantList& value)
2133 {
2134     if (GetType() == wxT("list") &&
2135         m_refData->GetRefCount() == 1)
2136     {
2137         ((wxVariantDataList*)GetData())->SetValue(value);
2138     }
2139     else
2140     {
2141         UnRef();
2142         m_refData = new wxVariantDataList(value);
2143     }
2144 }
2145
2146 wxVariantList& wxVariant::GetList() const
2147 {
2148     wxASSERT( (GetType() == wxT("list")) );
2149
2150     return (wxVariantList&) ((wxVariantDataList*) m_refData)->GetValue();
2151 }
2152
2153 // Make empty list
2154 void wxVariant::NullList()
2155 {
2156     SetData(new wxVariantDataList());
2157 }
2158
2159 // Append to list
2160 void wxVariant::Append(const wxVariant& value)
2161 {
2162     wxVariantList& list = GetList();
2163
2164     list.Append(new wxVariant(value));
2165 }
2166
2167 // Insert at front of list
2168 void wxVariant::Insert(const wxVariant& value)
2169 {
2170     wxVariantList& list = GetList();
2171
2172     list.Insert(new wxVariant(value));
2173 }
2174
2175 // Returns true if the variant is a member of the list
2176 bool wxVariant::Member(const wxVariant& value) const
2177 {
2178     wxVariantList& list = GetList();
2179
2180     wxVariantList::compatibility_iterator node = list.GetFirst();
2181     while (node)
2182     {
2183         wxVariant* other = node->GetData();
2184         if (value == *other)
2185             return true;
2186         node = node->GetNext();
2187     }
2188     return false;
2189 }
2190
2191 // Deletes the nth element of the list
2192 bool wxVariant::Delete(size_t item)
2193 {
2194     wxVariantList& list = GetList();
2195
2196     wxASSERT_MSG( (item < list.GetCount()), wxT("Invalid index to Delete") );
2197     wxVariantList::compatibility_iterator node = list.Item(item);
2198     wxVariant* variant = node->GetData();
2199     delete variant;
2200     list.Erase(node);
2201     return true;
2202 }
2203
2204 // Clear list
2205 void wxVariant::ClearList()
2206 {
2207     if (!IsNull() && (GetType() == wxT("list")))
2208     {
2209         ((wxVariantDataList*) m_refData)->Clear();
2210     }
2211     else
2212     {
2213         if (!GetType().IsSameAs(wxT("list")))
2214             UnRef();
2215
2216         m_refData = new wxVariantDataList;
2217     }
2218 }
2219
2220 // Treat a list variant as an array
2221 wxVariant wxVariant::operator[] (size_t idx) const
2222 {
2223     wxASSERT_MSG( GetType() == wxT("list"), wxT("Invalid type for array operator") );
2224
2225     if (GetType() == wxT("list"))
2226     {
2227         wxVariantDataList* data = (wxVariantDataList*) m_refData;
2228         wxASSERT_MSG( (idx < data->GetValue().GetCount()), wxT("Invalid index for array") );
2229         return *(data->GetValue().Item(idx)->GetData());
2230     }
2231     return wxNullVariant;
2232 }
2233
2234 wxVariant& wxVariant::operator[] (size_t idx)
2235 {
2236     // We can't return a reference to a variant for a string list, since the string
2237     // is actually stored as a char*, not a variant.
2238
2239     wxASSERT_MSG( (GetType() == wxT("list")), wxT("Invalid type for array operator") );
2240
2241     wxVariantDataList* data = (wxVariantDataList*) m_refData;
2242     wxASSERT_MSG( (idx < data->GetValue().GetCount()), wxT("Invalid index for array") );
2243
2244     return * (data->GetValue().Item(idx)->GetData());
2245 }
2246
2247 // Return the number of elements in a list
2248 size_t wxVariant::GetCount() const
2249 {
2250     wxASSERT_MSG( GetType() == wxT("list"), wxT("Invalid type for GetCount()") );
2251
2252     if (GetType() == wxT("list"))
2253     {
2254         wxVariantDataList* data = (wxVariantDataList*) m_refData;
2255         return data->GetValue().GetCount();
2256     }
2257     return 0;
2258 }
2259
2260 // ----------------------------------------------------------------------------
2261 // Type conversion
2262 // ----------------------------------------------------------------------------
2263
2264 bool wxVariant::Convert(long* value) const
2265 {
2266     wxString type(GetType());
2267     if (type == wxS("double"))
2268         *value = (long) (((wxVariantDoubleData*)GetData())->GetValue());
2269     else if (type == wxS("long"))
2270         *value = ((wxVariantDataLong*)GetData())->GetValue();
2271     else if (type == wxS("bool"))
2272         *value = (long) (((wxVariantDataBool*)GetData())->GetValue());
2273     else if (type == wxS("string"))
2274         *value = wxAtol(((wxVariantDataString*)GetData())->GetValue());
2275 #if wxUSE_LONGLONG
2276     else if (type == wxS("longlong"))
2277     {
2278         wxLongLong v = ((wxVariantDataLongLong*)GetData())->GetValue();
2279         // Don't convert if return value would be vague
2280         if ( v < LONG_MIN || v > LONG_MAX )
2281             return false;
2282         *value = v.ToLong();
2283     }
2284     else if (type == wxS("ulonglong"))
2285     {
2286         wxULongLong v = ((wxVariantDataULongLong*)GetData())->GetValue();
2287         // Don't convert if return value would be vague
2288         if ( v.GetHi() )
2289             return false;
2290         *value = (long) v.ToULong();
2291     }
2292 #endif
2293     else
2294         return false;
2295
2296     return true;
2297 }
2298
2299 bool wxVariant::Convert(bool* value) const
2300 {
2301     wxString type(GetType());
2302     if (type == wxT("double"))
2303         *value = ((int) (((wxVariantDoubleData*)GetData())->GetValue()) != 0);
2304     else if (type == wxT("long"))
2305         *value = (((wxVariantDataLong*)GetData())->GetValue() != 0);
2306     else if (type == wxT("bool"))
2307         *value = ((wxVariantDataBool*)GetData())->GetValue();
2308     else if (type == wxT("string"))
2309     {
2310         wxString val(((wxVariantDataString*)GetData())->GetValue());
2311         val.MakeLower();
2312         if (val == wxT("true") || val == wxT("yes") || val == wxT('1') )
2313             *value = true;
2314         else if (val == wxT("false") || val == wxT("no") || val == wxT('0') )
2315             *value = false;
2316         else
2317             return false;
2318     }
2319     else
2320         return false;
2321
2322     return true;
2323 }
2324
2325 bool wxVariant::Convert(double* value) const
2326 {
2327     wxString type(GetType());
2328     if (type == wxT("double"))
2329         *value = ((wxVariantDoubleData*)GetData())->GetValue();
2330     else if (type == wxT("long"))
2331         *value = (double) (((wxVariantDataLong*)GetData())->GetValue());
2332     else if (type == wxT("bool"))
2333         *value = (double) (((wxVariantDataBool*)GetData())->GetValue());
2334     else if (type == wxT("string"))
2335         *value = (double) wxAtof(((wxVariantDataString*)GetData())->GetValue());
2336 #if wxUSE_LONGLONG
2337     else if (type == wxS("longlong"))
2338     {
2339         *value = ((wxVariantDataLongLong*)GetData())->GetValue().ToDouble();
2340     }
2341     else if (type == wxS("ulonglong"))
2342     {
2343         *value = ((wxVariantDataULongLong*)GetData())->GetValue().ToDouble();
2344     }
2345 #endif
2346     else
2347         return false;
2348
2349     return true;
2350 }
2351
2352 bool wxVariant::Convert(wxUniChar* value) const
2353 {
2354     wxString type(GetType());
2355     if (type == wxT("char"))
2356         *value = ((wxVariantDataChar*)GetData())->GetValue();
2357     else if (type == wxT("long"))
2358         *value = (char) (((wxVariantDataLong*)GetData())->GetValue());
2359     else if (type == wxT("bool"))
2360         *value = (char) (((wxVariantDataBool*)GetData())->GetValue());
2361     else if (type == wxS("string"))
2362     {
2363         // Also accept strings of length 1
2364         const wxString& str = (((wxVariantDataString*)GetData())->GetValue());
2365         if ( str.length() == 1 )
2366             *value = str[0];
2367         else
2368             return false;
2369     }
2370     else
2371         return false;
2372
2373     return true;
2374 }
2375
2376 bool wxVariant::Convert(char* value) const
2377 {
2378     wxUniChar ch;
2379     if ( !Convert(&ch) )
2380         return false;
2381     *value = ch;
2382     return true;
2383 }
2384
2385 bool wxVariant::Convert(wchar_t* value) const
2386 {
2387     wxUniChar ch;
2388     if ( !Convert(&ch) )
2389         return false;
2390     *value = ch;
2391     return true;
2392 }
2393
2394 bool wxVariant::Convert(wxString* value) const
2395 {
2396     *value = MakeString();
2397     return true;
2398 }
2399
2400 #if wxUSE_LONGLONG
2401 bool wxVariant::Convert(wxLongLong* value) const
2402 {
2403     wxString type(GetType());
2404     if (type == wxS("longlong"))
2405         *value = ((wxVariantDataLongLong*)GetData())->GetValue();
2406     else if (type == wxS("long"))
2407         *value = ((wxVariantDataLong*)GetData())->GetValue();
2408     else if (type == wxS("string"))
2409     {
2410         wxString s = ((wxVariantDataString*)GetData())->GetValue();
2411 #ifdef wxLongLong_t
2412         wxLongLong_t value_t;
2413         if ( !s.ToLongLong(&value_t) )
2414             return false;
2415         *value = value_t;
2416 #else
2417         long l_value;
2418         if ( !s.ToLong(&l_value) )
2419             return false;
2420         *value = l_value;
2421 #endif
2422     }
2423     else if (type == wxS("bool"))
2424         *value = (long) (((wxVariantDataBool*)GetData())->GetValue());
2425     else if (type == wxS("double"))
2426     {
2427         value->Assign(((wxVariantDoubleData*)GetData())->GetValue());
2428     }
2429     else if (type == wxS("ulonglong"))
2430         *value = ((wxVariantDataULongLong*)GetData())->GetValue();
2431     else
2432         return false;
2433
2434     return true;
2435 }
2436
2437 bool wxVariant::Convert(wxULongLong* value) const
2438 {
2439     wxString type(GetType());
2440     if (type == wxS("ulonglong"))
2441         *value = ((wxVariantDataULongLong*)GetData())->GetValue();
2442     else if (type == wxS("long"))
2443         *value = ((wxVariantDataLong*)GetData())->GetValue();
2444     else if (type == wxS("string"))
2445     {
2446         wxString s = ((wxVariantDataString*)GetData())->GetValue();
2447 #ifdef wxLongLong_t
2448         wxULongLong_t value_t;
2449         if ( !s.ToULongLong(&value_t) )
2450             return false;
2451         *value = value_t;
2452 #else
2453         unsigned long l_value;
2454         if ( !s.ToULong(&l_value) )
2455             return false;
2456         *value = l_value;
2457 #endif
2458     }
2459     else if (type == wxS("bool"))
2460         *value = (long) (((wxVariantDataBool*)GetData())->GetValue());
2461     else if (type == wxS("double"))
2462     {
2463         double value_d = ((wxVariantDoubleData*)GetData())->GetValue();
2464
2465         if ( value_d < 0.0 )
2466             return false;
2467
2468 #ifdef wxLongLong_t
2469         *value = (wxULongLong_t) value_d;
2470 #else
2471         wxLongLong temp;
2472         temp.Assign(value_d);
2473         *value = temp;
2474 #endif
2475     }
2476     else if (type == wxS("longlong"))
2477         *value = ((wxVariantDataLongLong*)GetData())->GetValue();
2478     else
2479         return false;
2480
2481     return true;
2482 }
2483 #endif // wxUSE_LONGLONG
2484
2485 #if wxUSE_DATETIME
2486 bool wxVariant::Convert(wxDateTime* value) const
2487 {
2488     wxString type(GetType());
2489     if (type == wxT("datetime"))
2490     {
2491         *value = ((wxVariantDataDateTime*)GetData())->GetValue();
2492         return true;
2493     }
2494
2495     // Fallback to string conversion
2496     wxString val;
2497     if ( !Convert(&val) )
2498         return false;
2499
2500     // Try to parse this as either date and time, only date or only time
2501     // checking that the entire string was parsed
2502     wxString::const_iterator end;
2503     if ( value->ParseDateTime(val, &end) && end == val.end() )
2504         return true;
2505
2506     if ( value->ParseDate(val, &end) && end == val.end() )
2507         return true;
2508
2509     if ( value->ParseTime(val, &end) && end == val.end() )
2510         return true;
2511
2512     return false;
2513 }
2514 #endif // wxUSE_DATETIME
2515
2516 #endif // wxUSE_VARIANT