src/html/winpars.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/html/winpars.cpp
   3 // Purpose:     wxHtmlParser class (generic parser)
   4 // Author:      Vaclav Slavik
   5 // RCS-ID:      $Id$
   6 // Copyright:   (c) 1999 Vaclav Slavik
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #include "wx/wxprec.h"
  11
  12 #ifdef __BORLANDC__
  13     #pragma hdrstop
  14 #endif
  15
  16 #if wxUSE_HTML && wxUSE_STREAMS
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/intl.h"
  20     #include "wx/dc.h"
  21     #include "wx/log.h"
  22     #include "wx/settings.h"
  23 #endif
  24
  25 #include "wx/html/htmldefs.h"
  26 #include "wx/html/winpars.h"
  27 #include "wx/html/htmlwin.h"
  28 #include "wx/fontmap.h"
  29 #include "wx/uri.h"
  30
  31
  32 //-----------------------------------------------------------------------------
  33 // wxHtmlWinParser
  34 //-----------------------------------------------------------------------------
  35
  36 IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinParser, wxHtmlParser)
  37
  38 wxList wxHtmlWinParser::m_Modules;
  39
  40 wxHtmlWinParser::wxHtmlWinParser(wxHtmlWindowInterface *wndIface)
  41 {
  42     m_tmpStrBuf = NULL;
  43     m_tmpStrBufSize = 0;
  44     m_windowInterface = wndIface;
  45     m_Container = NULL;
  46     m_DC = NULL;
  47     m_CharHeight = m_CharWidth = 0;
  48     m_UseLink = false;
  49 #if !wxUSE_UNICODE
  50     m_nbsp = 0;
  51     m_EncConv = NULL;
  52     m_InputEnc = wxFONTENCODING_ISO8859_1;
  53     m_OutputEnc = wxFONTENCODING_DEFAULT;
  54 #endif
  55     m_whitespaceMode = Whitespace_Normal;
  56     m_lastWordCell = NULL;
  57     m_posColumn = 0;
  58
  59     {
  60         int i, j, k, l, m;
  61         for (i = 0; i < 2; i++)
  62             for (j = 0; j < 2; j++)
  63                 for (k = 0; k < 2; k++)
  64                     for (l = 0; l < 2; l++)
  65                         for (m = 0; m < 7; m++)
  66                         {
  67                             m_FontsTable[i][j][k][l][m] = NULL;
  68                             m_FontsFacesTable[i][j][k][l][m] = wxEmptyString;
  69 #if !wxUSE_UNICODE
  70                             m_FontsEncTable[i][j][k][l][m] = wxFONTENCODING_DEFAULT;
  71 #endif
  72                         }
  73
  74         SetFonts(wxEmptyString, wxEmptyString, NULL);
  75     }
  76
  77     // fill in wxHtmlParser's tables:
  78     wxList::compatibility_iterator node = m_Modules.GetFirst();
  79     while (node)
  80     {
  81         wxHtmlTagsModule *mod = (wxHtmlTagsModule*) node->GetData();
  82         mod->FillHandlersTable(this);
  83         node = node->GetNext();
  84     }
  85 }
  86
  87 wxHtmlWinParser::~wxHtmlWinParser()
  88 {
  89     int i, j, k, l, m;
  90
  91     for (i = 0; i < 2; i++)
  92         for (j = 0; j < 2; j++)
  93             for (k = 0; k < 2; k++)
  94                 for (l = 0; l < 2; l++)
  95                     for (m = 0; m < 7; m++)
  96                     {
  97                         if (m_FontsTable[i][j][k][l][m] != NULL)
  98                             delete m_FontsTable[i][j][k][l][m];
  99                     }
 100 #if !wxUSE_UNICODE
 101     delete m_EncConv;
 102 #endif
 103     delete[] m_tmpStrBuf;
 104 }
 105
 106 void wxHtmlWinParser::AddModule(wxHtmlTagsModule *module)
 107 {
 108     m_Modules.Append(module);
 109 }
 110
 111 void wxHtmlWinParser::RemoveModule(wxHtmlTagsModule *module)
 112 {
 113     m_Modules.DeleteObject(module);
 114 }
 115
 116 // build all HTML font sizes (1..7) from the given base size
 117 static void wxBuildFontSizes(int *sizes, int size)
 118 {
 119     // using a fixed factor (1.2, from CSS2) is a bad idea as explained at
 120     // http://www.w3.org/TR/CSS21/fonts.html#font-size-props but this is by far
 121     // simplest thing to do so still do it like this for now
 122     sizes[0] = int(size * 0.75); // exception to 1.2 rule, otherwise too small
 123     sizes[1] = int(size * 0.83);
 124     sizes[2] = size;
 125     sizes[3] = int(size * 1.2);
 126     sizes[4] = int(size * 1.44);
 127     sizes[5] = int(size * 1.73);
 128     sizes[6] = int(size * 2);
 129 }
 130
 131 static int wxGetDefaultHTMLFontSize()
 132 {
 133     // base the default font size on the size of the default system font but
 134     // also ensure that we have a font of reasonable size, otherwise small HTML
 135     // fonts are unreadable
 136     int size = wxNORMAL_FONT->GetPointSize();
 137     if ( size < 10 )
 138         size = 10;
 139     return size;
 140 }
 141
 142 void wxHtmlWinParser::SetFonts(const wxString& normal_face,
 143                                const wxString& fixed_face,
 144                                const int *sizes)
 145 {
 146     static int default_sizes[7] = { 0 };
 147     if ( !sizes )
 148     {
 149         if ( !default_sizes[0] )
 150             wxBuildFontSizes(default_sizes, wxGetDefaultHTMLFontSize());
 151
 152         sizes = default_sizes;
 153     }
 154
 155     int i, j, k, l, m;
 156
 157     for (i = 0; i < 7; i++)
 158         m_FontsSizes[i] = sizes[i];
 159
 160     m_FontFaceFixed = fixed_face;
 161     m_FontFaceNormal = normal_face;
 162
 163 #if !wxUSE_UNICODE
 164     SetInputEncoding(m_InputEnc);
 165 #endif
 166
 167     for (i = 0; i < 2; i++)
 168         for (j = 0; j < 2; j++)
 169             for (k = 0; k < 2; k++)
 170                 for (l = 0; l < 2; l++)
 171                     for (m = 0; m < 7; m++) {
 172                         if (m_FontsTable[i][j][k][l][m] != NULL)
 173                         {
 174                             delete m_FontsTable[i][j][k][l][m];
 175                             m_FontsTable[i][j][k][l][m] = NULL;
 176                         }
 177                     }
 178 }
 179
 180 void wxHtmlWinParser::SetStandardFonts(int size,
 181                                        const wxString& normal_face,
 182                                        const wxString& fixed_face)
 183 {
 184     if (size == -1)
 185         size = wxGetDefaultHTMLFontSize();
 186
 187     int f_sizes[7];
 188     wxBuildFontSizes(f_sizes, size);
 189
 190     wxString normal = normal_face;
 191     if ( normal.empty() )
 192         normal = wxNORMAL_FONT->GetFaceName();
 193
 194     SetFonts(normal, fixed_face, f_sizes);
 195 }
 196
 197 void wxHtmlWinParser::InitParser(const wxString& source)
 198 {
 199     wxHtmlParser::InitParser(source);
 200     wxASSERT_MSG(m_DC != NULL, wxT("no DC assigned to wxHtmlWinParser!!"));
 201
 202     m_FontBold = m_FontItalic = m_FontUnderlined = m_FontFixed = FALSE;
 203     m_FontSize = 3; //default one
 204     CreateCurrentFont();           // we're selecting default font into
 205
 206     // we're not using GetCharWidth/Height() because of
 207     // differences under X and win
 208     wxCoord w,h;
 209     m_DC->GetTextExtent( wxT("H"), &w, &h);
 210     m_CharWidth = w;
 211     m_CharHeight = h;
 212
 213     m_UseLink = false;
 214     m_Link = wxHtmlLinkInfo( wxEmptyString );
 215     m_LinkColor.Set(0, 0, 0xFF);
 216     m_ActualColor.Set(0, 0, 0);
 217     m_Align = wxHTML_ALIGN_LEFT;
 218     m_ScriptMode = wxHTML_SCRIPT_NORMAL;
 219     m_ScriptBaseline = 0;
 220     m_tmpLastWasSpace = false;
 221     m_lastWordCell = NULL;
 222
 223     // open the toplevel container that contains everything else and that
 224     // is never closed (this makes parser's life easier):
 225     OpenContainer();
 226
 227     // then open the first container into which page's content will go:
 228     OpenContainer();
 229
 230 #if !wxUSE_UNICODE
 231     wxString charset = ExtractCharsetInformation(source);
 232     if (!charset.empty())
 233     {
 234         wxFontEncoding enc = wxFontMapper::Get()->CharsetToEncoding(charset);
 235         if (enc != wxFONTENCODING_SYSTEM)
 236           SetInputEncoding(enc);
 237     }
 238 #endif
 239
 240     m_Container->InsertCell(new wxHtmlColourCell(m_ActualColor));
 241     wxColour windowColour = wxSystemSettings::GetColour(wxSYS_COLOUR_WINDOW) ;
 242
 243     m_Container->InsertCell
 244                  (
 245                    new wxHtmlColourCell
 246                        (
 247                          m_windowInterface
 248                             ? m_windowInterface->GetHTMLBackgroundColour()
 249                             : windowColour,
 250                          wxHTML_CLR_BACKGROUND
 251                        )
 252                   );
 253
 254     m_Container->InsertCell(new wxHtmlFontCell(CreateCurrentFont()));
 255 }
 256
 257 void wxHtmlWinParser::DoneParser()
 258 {
 259     m_Container = NULL;
 260 #if !wxUSE_UNICODE
 261     SetInputEncoding(wxFONTENCODING_ISO8859_1); // for next call
 262 #endif
 263     wxHtmlParser::DoneParser();
 264 }
 265
 266 #if WXWIN_COMPATIBILITY_2_6
 267 wxHtmlWindow *wxHtmlWinParser::GetWindow()
 268 {
 269     if (!m_windowInterface)
 270         return NULL;
 271     return wxDynamicCast(m_windowInterface->GetHTMLWindow(), wxHtmlWindow);
 272 }
 273 #endif
 274
 275 wxObject* wxHtmlWinParser::GetProduct()
 276 {
 277     wxHtmlContainerCell *top;
 278
 279     CloseContainer();
 280     OpenContainer();
 281
 282     top = m_Container;
 283     while (top->GetParent()) top = top->GetParent();
 284     top->RemoveExtraSpacing(true, true);
 285
 286     return top;
 287 }
 288
 289 wxFSFile *wxHtmlWinParser::OpenURL(wxHtmlURLType type,
 290                                    const wxString& url) const
 291 {
 292     if ( !m_windowInterface )
 293         return wxHtmlParser::OpenURL(type, url);
 294
 295     wxString myurl(url);
 296     wxHtmlOpeningStatus status;
 297     for (;;)
 298     {
 299         wxString myfullurl(myurl);
 300
 301         // consider url as absolute path first
 302         wxURI current(myurl);
 303         myfullurl = current.BuildUnescapedURI();
 304
 305         // if not absolute then ...
 306         if( current.IsReference() )
 307         {
 308             wxString basepath = GetFS()->GetPath();
 309             wxURI base(basepath);
 310
 311             // ... try to apply base path if valid ...
 312             if( !base.IsReference() )
 313             {
 314                 wxURI path(myfullurl);
 315                 path.Resolve( base );
 316                 myfullurl = path.BuildUnescapedURI();
 317             }
 318             else
 319             {
 320                 // ... or force such addition if not included already
 321                 if( !current.GetPath().Contains(base.GetPath()) )
 322                 {
 323                     basepath += myurl;
 324                     wxURI connected( basepath );
 325                     myfullurl = connected.BuildUnescapedURI();
 326                 }
 327             }
 328         }
 329
 330         wxString redirect;
 331         status = m_windowInterface->OnHTMLOpeningURL(type, myfullurl, &redirect);
 332         if ( status != wxHTML_REDIRECT )
 333             break;
 334
 335         myurl = redirect;
 336     }
 337
 338     if ( status == wxHTML_BLOCK )
 339         return NULL;
 340
 341     int flags = wxFS_READ;
 342     if (type == wxHTML_URL_IMAGE)
 343         flags |= wxFS_SEEKABLE;
 344
 345     return GetFS()->OpenFile(myurl, flags);
 346 }
 347
 348 void wxHtmlWinParser::AddText(const wxString& txt)
 349 {
 350     #define NBSP_UNICODE_VALUE  (wxChar(160))
 351 #if !wxUSE_UNICODE
 352     if ( m_nbsp == 0 )
 353         m_nbsp = GetEntitiesParser()->GetCharForCode(NBSP_UNICODE_VALUE);
 354     #define CUR_NBSP_VALUE m_nbsp
 355 #else
 356     #define CUR_NBSP_VALUE NBSP_UNICODE_VALUE
 357 #endif
 358
 359     if ( m_whitespaceMode == Whitespace_Normal )
 360     {
 361         int templen = 0;
 362
 363         size_t lng = txt.length();
 364         if (lng+1 > m_tmpStrBufSize)
 365         {
 366             delete[] m_tmpStrBuf;
 367             m_tmpStrBuf = new wxChar[lng+1];
 368             m_tmpStrBufSize = lng+1;
 369         }
 370         wxChar *temp = m_tmpStrBuf;
 371
 372         wxString::const_iterator i = txt.begin();
 373         const wxString::const_iterator end = txt.end();
 374
 375         if (m_tmpLastWasSpace)
 376         {
 377             while ( (i < end) &&
 378                     (*i == wxT('\n') || *i == wxT('\r') || *i == wxT(' ') ||
 379                      *i == wxT('\t')) )
 380             {
 381                 ++i;
 382             }
 383         }
 384
 385         while (i < end)
 386         {
 387             size_t x = 0;
 388             wxChar d = *i;
 389             if ((d == wxT('\n')) || (d == wxT('\r')) || (d == wxT(' ')) || (d == wxT('\t')))
 390             {
 391                 ++i, ++x;
 392                 while ( (i < end) &&
 393                         (*i == wxT('\n') || *i == wxT('\r') ||
 394                          *i == wxT(' ') || *i == wxT('\t')) )
 395                 {
 396                     ++i;
 397                     ++x;
 398                 }
 399             }
 400             else
 401             {
 402                 ++i;
 403             }
 404
 405             if (d == CUR_NBSP_VALUE)
 406                 d = ' ';
 407
 408             temp[templen++] = d;
 409
 410             if (x)
 411             {
 412                 temp[templen-1] = wxT(' ');
 413                 FlushWordBuf(temp, templen);
 414                 m_tmpLastWasSpace = true;
 415             }
 416         }
 417
 418         if (templen && (templen > 1 || temp[0] != wxT(' ')))
 419         {
 420             FlushWordBuf(temp, templen);
 421             m_tmpLastWasSpace = false;
 422         }
 423     }
 424     else // m_whitespaceMode == Whitespace_Pre
 425     {
 426         if ( txt.find(CUR_NBSP_VALUE) != wxString::npos )
 427         {
 428             // we need to substitute spaces for &nbsp; here just like we
 429             // did in the Whitespace_Normal branch above
 430             wxString txt2(txt);
 431             txt2.Replace(CUR_NBSP_VALUE, ' ');
 432             AddPreBlock(txt2);
 433         }
 434         else
 435         {
 436             AddPreBlock(txt);
 437         }
 438
 439         // don't eat any whitespace in <pre> block
 440         m_tmpLastWasSpace = false;
 441     }
 442 }
 443
 444 void wxHtmlWinParser::FlushWordBuf(wxChar *buf, int& len)
 445 {
 446     buf[len] = 0;
 447
 448 #if !wxUSE_UNICODE
 449     if (m_EncConv)
 450         m_EncConv->Convert(buf);
 451 #endif
 452
 453     AddWord(wxString(buf, len));
 454
 455     len = 0;
 456 }
 457
 458 void wxHtmlWinParser::AddWord(wxHtmlWordCell *word)
 459 {
 460     ApplyStateToCell(word);
 461
 462     m_Container->InsertCell(word);
 463     word->SetPreviousWord(m_lastWordCell);
 464     m_lastWordCell = word;
 465 }
 466
 467 void wxHtmlWinParser::AddPreBlock(const wxString& text)
 468 {
 469     if ( text.find('\t') != wxString::npos )
 470     {
 471         wxString text2;
 472         text2.reserve(text.length());
 473
 474         const wxString::const_iterator end = text.end();
 475         wxString::const_iterator copyFrom = text.begin();
 476         size_t posFrom = 0;
 477         size_t pos = 0;
 478         int posColumn = m_posColumn;
 479         for ( wxString::const_iterator i = copyFrom; i != end; ++i, ++pos )
 480         {
 481             if ( *i == '\t' )
 482             {
 483                 if ( copyFrom != i )
 484                     text2.append(copyFrom, i);
 485
 486                 const unsigned SPACES_PER_TAB = 8;
 487                 const size_t expandTo = SPACES_PER_TAB - posColumn % SPACES_PER_TAB;
 488                 text2.append(expandTo, ' ');
 489
 490                 posColumn += expandTo;
 491                 copyFrom = i + 1;
 492                 posFrom = pos + 1;
 493             }
 494             else
 495             {
 496                 ++posColumn;
 497             }
 498         }
 499         if ( copyFrom != text.end() )
 500             text2.append(copyFrom, text.end());
 501
 502         AddWord(new wxHtmlWordWithTabsCell(text2, text, m_posColumn, *(GetDC())));
 503
 504         m_posColumn = posColumn;
 505     }
 506     else
 507     {
 508         // no special formatting needed
 509         AddWord(text);
 510         m_posColumn += text.length();
 511     }
 512 }
 513
 514
 515 wxHtmlContainerCell* wxHtmlWinParser::OpenContainer()
 516 {
 517     m_Container = new wxHtmlContainerCell(m_Container);
 518     m_Container->SetAlignHor(m_Align);
 519     m_posColumn = 0;
 520     m_tmpLastWasSpace = true;
 521         /* to avoid space being first character in paragraph */
 522     return m_Container;
 523 }
 524
 525
 526
 527 wxHtmlContainerCell* wxHtmlWinParser::SetContainer(wxHtmlContainerCell *c)
 528 {
 529     m_tmpLastWasSpace = true;
 530         /* to avoid space being first character in paragraph */
 531     return m_Container = c;
 532 }
 533
 534
 535
 536 wxHtmlContainerCell* wxHtmlWinParser::CloseContainer()
 537 {
 538     m_Container = m_Container->GetParent();
 539     return m_Container;
 540 }
 541
 542
 543 void wxHtmlWinParser::SetFontSize(int s)
 544 {
 545     if (s < 1)
 546         s = 1;
 547     else if (s > 7)
 548         s = 7;
 549     m_FontSize = s;
 550 }
 551
 552
 553
 554 wxFont* wxHtmlWinParser::CreateCurrentFont()
 555 {
 556     int fb = GetFontBold(),
 557         fi = GetFontItalic(),
 558         fu = GetFontUnderlined(),
 559         ff = GetFontFixed(),
 560         fs = GetFontSize() - 1 /*remap from <1;7> to <0;6>*/ ;
 561
 562     wxString face = ff ? m_FontFaceFixed : m_FontFaceNormal;
 563     wxString *faceptr = &(m_FontsFacesTable[fb][fi][fu][ff][fs]);
 564     wxFont **fontptr = &(m_FontsTable[fb][fi][fu][ff][fs]);
 565 #if !wxUSE_UNICODE
 566     wxFontEncoding *encptr = &(m_FontsEncTable[fb][fi][fu][ff][fs]);
 567 #endif
 568
 569     if (*fontptr != NULL && (*faceptr != face
 570 #if !wxUSE_UNICODE
 571                              || *encptr != m_OutputEnc
 572 #endif
 573                             ))
 574     {
 575         delete *fontptr;
 576         *fontptr = NULL;
 577     }
 578
 579     if (*fontptr == NULL)
 580     {
 581         *faceptr = face;
 582         *fontptr = new wxFont(
 583                        (int) (m_FontsSizes[fs] * m_PixelScale),
 584                        ff ? wxMODERN : wxSWISS,
 585                        fi ? wxITALIC : wxNORMAL,
 586                        fb ? wxBOLD : wxNORMAL,
 587                        fu ? true : false, face
 588 #if wxUSE_UNICODE
 589                        );
 590 #else
 591                        , m_OutputEnc);
 592         *encptr = m_OutputEnc;
 593 #endif
 594     }
 595     m_DC->SetFont(**fontptr);
 596     return (*fontptr);
 597 }
 598
 599
 600
 601 void wxHtmlWinParser::SetLink(const wxHtmlLinkInfo& link)
 602 {
 603     m_Link = link;
 604     m_UseLink = (link.GetHref() != wxEmptyString);
 605 }
 606
 607 void wxHtmlWinParser::SetFontFace(const wxString& face)
 608 {
 609     if (GetFontFixed())
 610         m_FontFaceFixed = face;
 611     else
 612         m_FontFaceNormal = face;
 613
 614 #if !wxUSE_UNICODE
 615     if (m_InputEnc != wxFONTENCODING_DEFAULT)
 616         SetInputEncoding(m_InputEnc);
 617 #endif
 618 }
 619
 620 void wxHtmlWinParser::ApplyStateToCell(wxHtmlCell *cell)
 621 {
 622     // set the link:
 623     if (m_UseLink)
 624         cell->SetLink(GetLink());
 625
 626     // apply current script mode settings:
 627     cell->SetScriptMode(GetScriptMode(), GetScriptBaseline());
 628 }
 629
 630
 631 #if !wxUSE_UNICODE
 632 void wxHtmlWinParser::SetInputEncoding(wxFontEncoding enc)
 633 {
 634     // the character used for non-breakable space may change:
 635     m_nbsp = 0;
 636
 637     m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
 638     if (m_EncConv)
 639     {
 640         delete m_EncConv;
 641         m_EncConv = NULL;
 642     }
 643
 644     if (enc == wxFONTENCODING_DEFAULT)
 645         return;
 646
 647     wxFontEncoding altfix, altnorm;
 648     bool availfix, availnorm;
 649
 650     availnorm = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceNormal);
 651     availfix = wxFontMapper::Get()->IsEncodingAvailable(enc, m_FontFaceFixed);
 652
 653     if (availnorm && availfix)
 654     {
 655         // exact match?
 656         m_OutputEnc = enc;
 657     }
 658
 659     else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false) &&
 660              wxFontMapper::Get()->GetAltForEncoding(enc, &altfix, m_FontFaceFixed, false) &&
 661              altnorm == altfix)
 662     {
 663         // alternatives?
 664         m_OutputEnc = altnorm;
 665     }
 666     else if (availnorm)
 667     {
 668         // at least normal face?
 669         m_OutputEnc = enc;
 670     }
 671     else if (wxFontMapper::Get()->GetAltForEncoding(enc, &altnorm, m_FontFaceNormal, false))
 672     {
 673         m_OutputEnc = altnorm;
 674     }
 675     else
 676     {
 677 #ifndef __WXMAC__
 678         // okay, let's convert to ISO_8859-1, available always
 679         m_OutputEnc = wxFONTENCODING_DEFAULT;
 680 #else
 681         m_OutputEnc = wxLocale::GetSystemEncoding() ;
 682 #endif
 683     }
 684
 685     m_InputEnc = enc;
 686     if (m_OutputEnc == wxFONTENCODING_DEFAULT)
 687     {
 688         GetEntitiesParser()->SetEncoding(wxFONTENCODING_SYSTEM);
 689     }
 690     else
 691     {
 692         GetEntitiesParser()->SetEncoding(m_OutputEnc);
 693     }
 694
 695     if (m_InputEnc == m_OutputEnc)
 696         return;
 697
 698     m_EncConv = new wxEncodingConverter();
 699     if (!m_EncConv->Init(m_InputEnc,
 700                            (m_OutputEnc == wxFONTENCODING_DEFAULT) ?
 701                                       wxFONTENCODING_ISO8859_1 : m_OutputEnc,
 702                            wxCONVERT_SUBSTITUTE))
 703     { // total failure :-(
 704         wxLogError(_("Failed to display HTML document in %s encoding"),
 705                    wxFontMapper::GetEncodingName(enc).c_str());
 706         m_InputEnc = m_OutputEnc = wxFONTENCODING_DEFAULT;
 707         delete m_EncConv;
 708         m_EncConv = NULL;
 709     }
 710 }
 711 #endif
 712
 713
 714
 715
 716 //-----------------------------------------------------------------------------
 717 // wxHtmlWinTagHandler
 718 //-----------------------------------------------------------------------------
 719
 720 IMPLEMENT_ABSTRACT_CLASS(wxHtmlWinTagHandler, wxHtmlTagHandler)
 721
 722 //-----------------------------------------------------------------------------
 723 // wxHtmlTagsModule
 724 //-----------------------------------------------------------------------------
 725
 726 // NB: This is *NOT* winpars.cpp's initialization and shutdown code!!
 727 //     This module is an ancestor for tag handlers modules defined
 728 //     in m_*.cpp files with TAGS_MODULE_BEGIN...TAGS_MODULE_END construct.
 729 //
 730 //     Do not add any winpars.cpp shutdown or initialization code to it,
 731 //     create a new module instead!
 732
 733 IMPLEMENT_DYNAMIC_CLASS(wxHtmlTagsModule, wxModule)
 734
 735 bool wxHtmlTagsModule::OnInit()
 736 {
 737     wxHtmlWinParser::AddModule(this);
 738     return true;
 739 }
 740
 741 void wxHtmlTagsModule::OnExit()
 742 {
 743     wxHtmlWinParser::RemoveModule(this);
 744 }
 745
 746 #endif