Orb/Doxygen/src/htmldocvisitor.cpp
changeset 0 42188c7ea2d9
child 4 468f4c8d3d5b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Orb/Doxygen/src/htmldocvisitor.cpp	Thu Jan 21 17:29:01 2010 +0000
@@ -0,0 +1,1665 @@
+/******************************************************************************
+ *
+ * 
+ *
+ *
+ * Copyright (C) 1997-2008 by Dimitri van Heesch.
+ *
+ * Permission to use, copy, modify, and distribute this software and its
+ * documentation under the terms of the GNU General Public License is hereby 
+ * granted. No representations are made about the suitability of this software 
+ * for any purpose. It is provided "as is" without express or implied warranty.
+ * See the GNU General Public License for more details.
+ *
+ * Documents produced by Doxygen are derivative works derived from the
+ * input used in their production; they are not affected by this license.
+ *
+ */
+
+#include <qdir.h>
+#include "htmldocvisitor.h"
+#include "docparser.h"
+#include "language.h"
+#include "doxygen.h"
+#include "outputgen.h"
+#include "dot.h"
+#include "message.h"
+#include "config.h"
+#include "htmlgen.h"
+#include "parserintf.h"
+#include "msc.h"
+#include "util.h"
+
+
+static const int NUM_HTML_LIST_TYPES = 4;
+static const char types[][NUM_HTML_LIST_TYPES] = {"1", "a", "i", "A"};
+
+static QCString convertIndexWordToAnchor(const QString &word)
+{
+  static char hex[] = "0123456789abcdef";
+  uint i;
+  QCString result;
+  for (i=0;i<word.length();i++)
+  {
+    int c = word.at(i);
+    if (isId(c))
+    {
+      result+=c;
+    }
+    else if (isspace(c))
+    {
+      result+="_";
+    }
+    else
+    {
+      char cs[3];
+      cs[0]=hex[c>>4];
+      cs[1]=hex[c&0xf];
+      cs[2]=0;
+      result+=cs;
+    }
+  }
+  return result;
+}
+
+static bool mustBeOutsideParagraph(DocNode *n)
+{
+  switch (n->kind())
+  {
+          /* <ul> */
+        case DocNode::Kind_HtmlList:
+        case DocNode::Kind_SimpleList:
+        case DocNode::Kind_AutoList:
+          /* <dl> */
+        case DocNode::Kind_SimpleSect:
+        case DocNode::Kind_ParamSect:
+        case DocNode::Kind_HtmlDescList:
+        case DocNode::Kind_XRefItem:
+          /* <table> */
+        case DocNode::Kind_HtmlTable:
+          /* <h?> */
+        case DocNode::Kind_Section:
+        case DocNode::Kind_HtmlHeader:
+          /* <div> */
+        case DocNode::Kind_Verbatim:
+        case DocNode::Kind_Include:
+        case DocNode::Kind_Image:
+        case DocNode::Kind_SecRefList:
+          /* <hr> */
+        case DocNode::Kind_HorRuler:
+          return TRUE;
+        case DocNode::Kind_StyleChange:
+          return ((DocStyleChange*)n)->style()==DocStyleChange::Preformatted ||
+                 ((DocStyleChange*)n)->style()==DocStyleChange::Div ||
+                 ((DocStyleChange*)n)->style()==DocStyleChange::Center;
+        case DocNode::Kind_Formula:
+          return !((DocFormula*)n)->isInline();
+        default:
+          break;
+  }
+  return FALSE;
+}
+
+
+
+static QString htmlAttribsToString(const HtmlAttribList &attribs)
+{
+  QString result;
+  HtmlAttribListIterator li(attribs);
+  HtmlAttrib *att;
+  for (li.toFirst();(att=li.current());++li)
+  {
+    if (!att->value.isEmpty())  // ignore attribute without values as they
+                                // are not XHTML compliant
+    {
+      result+=" ";
+      result+=att->name;
+      result+="=\""+convertToXML(att->value)+"\"";
+    }
+  }
+  return result;
+}
+
+//-------------------------------------------------------------------------
+
+HtmlDocVisitor::HtmlDocVisitor(QTextStream &t,CodeOutputInterface &ci,
+                               const char *langExt) 
+  : DocVisitor(DocVisitor_Html), m_t(t), m_ci(ci), m_insidePre(FALSE), 
+                                 m_hide(FALSE), m_langExt(langExt)
+{
+}
+
+  //--------------------------------------
+  // visitor functions for leaf nodes
+  //--------------------------------------
+
+void HtmlDocVisitor::visit(DocWord *w)
+{
+  if (m_hide) return;
+  filter(w->word());
+}
+
+void HtmlDocVisitor::visit(DocLinkedWord *w)
+{
+  if (m_hide) return;
+  startLink(w->ref(),w->file(),w->relPath(),w->anchor(),w->tooltip());
+  filter(w->word());
+  endLink();
+}
+
+void HtmlDocVisitor::visit(DocWhiteSpace *w)
+{
+  if (m_hide) return;
+  if (m_insidePre)
+  {
+    m_t << w->chars();
+  }
+  else
+  {
+    m_t << " ";
+  }
+}
+
+void HtmlDocVisitor::visit(DocSymbol *s)
+{
+  if (m_hide) return;
+  switch(s->symbol())
+  {
+    case DocSymbol::BSlash:  m_t << "\\"; break;
+    case DocSymbol::At:      m_t << "@"; break;
+    case DocSymbol::Less:    m_t << "&lt;"; break;
+    case DocSymbol::Greater: m_t << "&gt;"; break;
+    case DocSymbol::Amp:     m_t << "&amp;"; break;
+    case DocSymbol::Dollar:  m_t << "$"; break;
+    case DocSymbol::Hash:    m_t << "#"; break;
+    case DocSymbol::Percent: m_t << "%"; break;
+    case DocSymbol::Copy:    m_t << "&copy;"; break;
+    case DocSymbol::Tm:      m_t << "&trade;"; break;
+    case DocSymbol::Reg:     m_t << "&reg;"; break;
+    case DocSymbol::Apos:    m_t << "'"; break;
+    case DocSymbol::Quot:    m_t << "\""; break;
+    case DocSymbol::Lsquo:   m_t << "&lsquo;"; break;
+    case DocSymbol::Rsquo:   m_t << "&rsquo;"; break;
+    case DocSymbol::Ldquo:   m_t << "&ldquo;"; break;
+    case DocSymbol::Rdquo:   m_t << "&rdquo;"; break;
+    case DocSymbol::Ndash:   m_t << "&ndash;"; break;
+    case DocSymbol::Mdash:   m_t << "&mdash;"; break;
+    case DocSymbol::Uml:     m_t << "&" << s->letter() << "uml;"; break;
+    case DocSymbol::Acute:   m_t << "&" << s->letter() << "acute;"; break;
+    case DocSymbol::Grave:   m_t << "&" << s->letter() << "grave;"; break;
+    case DocSymbol::Circ:    m_t << "&" << s->letter() << "circ;"; break;
+    case DocSymbol::Slash:   m_t << "&" << s->letter() << "slash;"; break;
+    case DocSymbol::Tilde:   m_t << "&" << s->letter() << "tilde;"; break;
+    case DocSymbol::Szlig:   m_t << "&szlig;"; break;
+    case DocSymbol::Cedil:   m_t << "&" << s->letter() << "cedil;"; break;
+    case DocSymbol::Ring:    m_t << "&" << s->letter() << "ring;"; break;
+    case DocSymbol::Nbsp:    m_t << "&nbsp;"; break;
+    case DocSymbol::AElig:   m_t << "&AElig;"; break;
+    case DocSymbol::Aelig:   m_t << "&aelig;"; break;
+    default:
+                             err("Error: unknown symbol found\n");
+  }
+}
+
+void HtmlDocVisitor::visit(DocURL *u)
+{
+  if (m_hide) return;
+  m_t << "<a href=\"";
+  if (u->isEmail()) m_t << "mailto:";
+  m_t << u->url() << "\">";
+  filter(u->url());
+  m_t << "</a>";
+}
+
+void HtmlDocVisitor::visit(DocLineBreak *)
+{
+  if (m_hide) return;
+  m_t << "<br/>\n";
+}
+
+void HtmlDocVisitor::visit(DocHorRuler *)
+{
+  if (m_hide) return;
+  m_t << "<hr/>\n";
+}
+
+void HtmlDocVisitor::visit(DocStyleChange *s)
+{
+  if (m_hide) return;
+  switch (s->style())
+  {
+    case DocStyleChange::Bold:
+      if (s->enable()) m_t << "<b" << htmlAttribsToString(s->attribs()) << ">";      else m_t << "</b>";
+      break;
+    case DocStyleChange::Italic:
+      if (s->enable()) m_t << "<em" << htmlAttribsToString(s->attribs()) << ">";     else m_t << "</em>";
+      break;
+    case DocStyleChange::Code:
+      if (s->enable()) m_t << "<code" << htmlAttribsToString(s->attribs()) << ">";   else m_t << "</code>";
+      break;
+    case DocStyleChange::Subscript:
+      if (s->enable()) m_t << "<sub" << htmlAttribsToString(s->attribs()) << ">";    else m_t << "</sub>";
+      break;
+    case DocStyleChange::Superscript:
+      if (s->enable()) m_t << "<sup" << htmlAttribsToString(s->attribs()) << ">";    else m_t << "</sup>";
+      break;
+    case DocStyleChange::Center:
+      if (s->enable()) 
+      {
+        forceEndParagraph(s);
+        m_t << "<center" << htmlAttribsToString(s->attribs()) << ">"; 
+      }
+      else 
+      {
+        m_t << "</center>";
+        forceStartParagraph(s);
+      }
+      break;
+    case DocStyleChange::Small:
+      if (s->enable()) m_t << "<small" << htmlAttribsToString(s->attribs()) << ">";  else m_t << "</small>";
+      break;
+    case DocStyleChange::Preformatted:
+      if (s->enable())
+      {
+        forceEndParagraph(s);
+        m_t << "<pre" << htmlAttribsToString(s->attribs()) << ">";
+        m_insidePre=TRUE;
+      }
+      else
+      {
+        m_insidePre=FALSE;
+        m_t << "</pre>";
+        forceStartParagraph(s);
+      }
+      break;
+    case DocStyleChange::Div:
+      if (s->enable()) 
+      {
+        forceEndParagraph(s);
+        m_t << "<div" << htmlAttribsToString(s->attribs()) << ">";  
+      }
+      else 
+      {
+        m_t << "</div>";
+        forceStartParagraph(s);
+      }
+      break;
+    case DocStyleChange::Span:
+      if (s->enable()) m_t << "<span" << htmlAttribsToString(s->attribs()) << ">";  else m_t << "</span>";
+      break;
+
+  }
+}
+
+
+void HtmlDocVisitor::visit(DocVerbatim *s)
+{
+  if (m_hide) return;
+  switch(s->type())
+  {
+    case DocVerbatim::Code: // fall though
+      forceEndParagraph(s);
+      m_t << PREFRAG_START;
+      Doxygen::parserManager->getParser(m_langExt)
+                            ->parseCode(m_ci,s->context(),s->text().latin1(),
+                                        s->isExample(),s->exampleFile());
+      m_t << PREFRAG_END;
+      forceStartParagraph(s);
+      break;
+    case DocVerbatim::Verbatim: 
+      forceEndParagraph(s);
+      m_t << PREFRAG_START;
+      filter(s->text());
+      m_t << PREFRAG_END;
+      forceStartParagraph(s);
+      break;
+    case DocVerbatim::HtmlOnly: 
+      m_t << s->text(); 
+      break;
+    case DocVerbatim::ManOnly: 
+    case DocVerbatim::LatexOnly: 
+    case DocVerbatim::XmlOnly: 
+      /* nothing */ 
+      break;
+
+    case DocVerbatim::Dot:
+      {
+        static int dotindex = 1;
+        QCString fileName(4096);
+
+        fileName.sprintf("%s%d%s", 
+            (Config_getString("HTML_OUTPUT")+"/inline_dotgraph_").data(), 
+            dotindex++,
+            ".dot"
+           );
+        QFile file(fileName);
+        if (!file.open(IO_WriteOnly))
+        {
+          err("Could not open file %s for writing\n",fileName.data());
+        }
+        file.writeBlock( s->text(), s->text().length() );
+        file.close();
+
+        forceEndParagraph(s);
+        m_t << "<div align=\"center\">" << endl;
+        writeDotFile(fileName,s->relPath(),s->context());
+        m_t << "</div>" << endl;
+        forceStartParagraph(s);
+
+        if (Config_getBool("DOT_CLEANUP")) file.remove();
+      }
+      break;
+    case DocVerbatim::Msc:
+      {
+        static int mscindex = 1;
+        QCString baseName(4096);
+
+        baseName.sprintf("%s%d", 
+            (Config_getString("HTML_OUTPUT")+"/inline_mscgraph_").data(), 
+            mscindex++
+           );
+        QFile file(baseName+".msc");
+        if (!file.open(IO_WriteOnly))
+        {
+          err("Could not open file %s.msc for writing\n",baseName.data());
+        }
+        QCString text = "msc {";
+        text+=s->text();
+        text+="}";
+        file.writeBlock( text, text.length() );
+        file.close();
+
+        forceEndParagraph(s);
+        m_t << "<div align=\"center\">" << endl;
+        writeMscFile(baseName,s->relPath(),s->context());
+        m_t << "</div>" << endl;
+        forceStartParagraph(s);
+
+        if (Config_getBool("DOT_CLEANUP")) file.remove();
+      }
+      break;
+  }
+}
+
+void HtmlDocVisitor::visit(DocAnchor *anc)
+{
+  if (m_hide) return;
+  m_t << "<a class=\"anchor\" id=\"" << anc->anchor() << "\"></a>";
+}
+
+void HtmlDocVisitor::visit(DocInclude *inc)
+{
+  if (m_hide) return;
+  switch(inc->type())
+  {
+    case DocInclude::Include: 
+      forceEndParagraph(inc);
+      m_t << PREFRAG_START;
+      Doxygen::parserManager->getParser(inc->extension())
+                            ->parseCode(m_ci,                 
+                                        inc->context(),
+                                        inc->text().latin1(),
+                                        inc->isExample(),
+                                        inc->exampleFile(),
+                                        0,   // fd
+                                        -1,  // startLine
+                                        -1,  // endLine
+                                        TRUE // inlineFragment
+                                       );
+      m_t << PREFRAG_END;
+      forceStartParagraph(inc);
+      break;
+    case DocInclude::IncWithLines:
+      { 
+         forceEndParagraph(inc);
+         m_t << PREFRAG_START;
+         QFileInfo cfi( inc->file() );
+         FileDef fd( cfi.dirPath(), cfi.fileName() );
+         Doxygen::parserManager->getParser(inc->extension())
+                               ->parseCode(m_ci,
+                                           inc->context(),
+                                           inc->text().latin1(),
+                                           inc->isExample(),
+                                           inc->exampleFile(), &fd);
+         m_t << PREFRAG_END;
+         forceStartParagraph(inc);
+      }
+      break;
+    case DocInclude::DontInclude: 
+      break;
+    case DocInclude::HtmlInclude: 
+      m_t << inc->text(); 
+      break;
+    case DocInclude::VerbInclude: 
+      forceEndParagraph(inc);
+      m_t << PREFRAG_START;
+      filter(inc->text());
+      m_t << PREFRAG_END;
+      forceStartParagraph(inc);
+      break;
+  }
+}
+
+void HtmlDocVisitor::visit(DocIncOperator *op)
+{
+  //printf("DocIncOperator: type=%d first=%d, last=%d text=`%s'\n",
+  //    op->type(),op->isFirst(),op->isLast(),op->text().data());
+  if (op->isFirst()) 
+  {
+    if (!m_hide) m_t << PREFRAG_START;
+    pushEnabled();
+    m_hide=TRUE;
+  }
+  if (op->type()!=DocIncOperator::Skip) 
+  {
+    popEnabled();
+    if (!m_hide) 
+    {
+      Doxygen::parserManager->getParser(m_langExt)
+                            ->parseCode(m_ci,op->context(),
+                                op->text().latin1(),op->isExample(),
+                                op->exampleFile());
+    }
+    pushEnabled();
+    m_hide=TRUE;
+  }
+  if (op->isLast())  
+  {
+    popEnabled();
+    if (!m_hide) m_t << PREFRAG_END;
+  }
+  else
+  {
+    if (!m_hide) m_t << endl;
+  }
+}
+
+void HtmlDocVisitor::visit(DocFormula *f)
+{
+  if (m_hide) return;
+  bool bDisplay = !f->isInline();
+  if (bDisplay) 
+  {
+    forceEndParagraph(f);
+    m_t << "<p class=\"formulaDsp\">" << endl;
+  }
+  m_t << "<img class=\"formula" 
+      << (bDisplay ? "Dsp" : "Inl");
+  m_t << "\" alt=\"";
+  filterQuotedCdataAttr(f->text());
+  m_t << "\"";
+  /// @todo cache image dimensions on formula generation and give height/width
+  /// for faster preloading and better rendering of the page
+  m_t << " src=\"" << f->relPath() << f->name() << ".png\"/>";
+  if (bDisplay)
+  {
+    m_t << endl << "</p>" << endl;
+    forceStartParagraph(f);
+  }
+}
+
+void HtmlDocVisitor::visit(DocIndexEntry *e)
+{
+  QCString anchor = convertIndexWordToAnchor(e->entry());
+  if (e->member()) 
+  {
+    anchor.prepend(e->member()->anchor()+"_");
+  }
+  m_t << "<a name=\"" << anchor << "\"></a>";
+  //printf("*** DocIndexEntry: word='%s' scope='%s' member='%s'\n",
+  //       e->entry().data(),
+  //       e->scope()  ? e->scope()->name().data()  : "<null>",
+  //       e->member() ? e->member()->name().data() : "<null>"
+  //      );
+  Doxygen::indexList.addIndexItem(e->scope(),e->member(),anchor,e->entry());
+}
+
+void HtmlDocVisitor::visit(DocSimpleSectSep *)
+{
+  m_t << "</dd>" << endl;
+  m_t << "<dd>" << endl;
+}
+
+//--------------------------------------
+// visitor functions for compound nodes
+//--------------------------------------
+
+
+void HtmlDocVisitor::visitPre(DocAutoList *l)
+{
+  if (m_hide) return;
+  forceEndParagraph(l);
+  if (l->isEnumList())
+  {
+    //
+    // Do list type based on depth:
+    // 1.
+    //   a.
+    //     i.
+    //       A. 
+    //         1. (repeat)...
+    //
+    m_t << "<ol type=\"" << types[l->depth() % NUM_HTML_LIST_TYPES] << "\">";
+  }
+  else
+  {
+    m_t << "<ul>";
+  }
+  if (!l->isPreformatted()) m_t << "\n";
+}
+
+void HtmlDocVisitor::visitPost(DocAutoList *l)
+{
+  if (m_hide) return;
+  if (l->isEnumList())
+  {
+    m_t << "</ol>";
+  }
+  else
+  {
+    m_t << "</ul>";
+  }
+  if (!l->isPreformatted()) m_t << "\n";
+  forceStartParagraph(l);
+}
+
+void HtmlDocVisitor::visitPre(DocAutoListItem *)
+{
+  if (m_hide) return;
+  m_t << "<li>";
+}
+
+void HtmlDocVisitor::visitPost(DocAutoListItem *li) 
+{
+  if (m_hide) return;
+  m_t << "</li>";
+  if (!li->isPreformatted()) m_t << "\n";
+}
+
+template<class T> 
+bool isFirstChildNode(T *parent, DocNode *node)
+{
+   return parent->children().getFirst()==node;
+}
+
+template<class T> 
+bool isLastChildNode(T *parent, DocNode *node)
+{
+   return parent->children().getLast()==node;
+}
+
+bool isSeparatedParagraph(DocSimpleSect *parent,DocPara *par)
+{
+  QList<DocNode> nodes = parent->children();
+  int i = nodes.findRef(par);
+  if (i==-1) return FALSE;
+  int count = parent->children().count();
+  if (count>1 && i==0)
+  {
+    if (nodes.at(i+1)->kind()==DocNode::Kind_SimpleSectSep)
+    {
+      return TRUE;
+    }
+  }
+  else if (count>1 && i==count-1)
+  {
+    if (nodes.at(i-1)->kind()==DocNode::Kind_SimpleSectSep)
+    {
+      return TRUE;
+    }
+  }
+  else if (count>2 && i>0 && i<count-1)
+  {
+    if (nodes.at(i-1)->kind()==DocNode::Kind_SimpleSectSep &&
+        nodes.at(i+1)->kind()==DocNode::Kind_SimpleSectSep)
+    {
+      return TRUE;
+    }
+  }
+  return FALSE;
+}
+
+static int getParagraphContext(DocPara *p,bool &isFirst,bool &isLast)
+{
+  int t=0;
+  isFirst=FALSE;
+  isLast=FALSE;
+  if (p && p->parent())
+  {
+    switch (p->parent()->kind()) 
+    {
+      case DocNode::Kind_AutoListItem:
+        isFirst=TRUE;
+        isLast =TRUE;
+        if (isFirst) t=1;
+        if (isLast)  t=3;
+        break;
+      case DocNode::Kind_SimpleListItem:
+        isFirst=TRUE;
+        isLast =TRUE;
+        if (isFirst) t=1;
+        if (isLast)  t=3;
+        break;
+      case DocNode::Kind_HtmlListItem:
+        isFirst=isFirstChildNode((DocHtmlListItem*)p->parent(),p);
+        isLast =isLastChildNode ((DocHtmlListItem*)p->parent(),p);
+        if (isFirst) t=1;
+        if (isLast)  t=3;
+        break;
+      case DocNode::Kind_SecRefItem:
+        isFirst=isFirstChildNode((DocSecRefItem*)p->parent(),p);
+        isLast =isLastChildNode ((DocSecRefItem*)p->parent(),p);
+        if (isFirst) t=1;
+        if (isLast)  t=3;
+        break;
+      case DocNode::Kind_HtmlDescData:
+        isFirst=isFirstChildNode((DocHtmlDescData*)p->parent(),p);
+        isLast =isLastChildNode ((DocHtmlDescData*)p->parent(),p);
+        if (isFirst) t=2;
+        if (isLast)  t=4;
+        break;
+      case DocNode::Kind_XRefItem:
+        isFirst=isFirstChildNode((DocXRefItem*)p->parent(),p);
+        isLast =isLastChildNode ((DocXRefItem*)p->parent(),p);
+        if (isFirst) t=2;
+        if (isLast)  t=4;
+        break;
+      case DocNode::Kind_HtmlCell:
+        isFirst=isFirstChildNode((DocHtmlCell*)p->parent(),p);
+        isLast =isLastChildNode ((DocHtmlCell*)p->parent(),p);
+        if (isFirst) t=5;
+        if (isLast)  t=6;
+        break;
+      case DocNode::Kind_SimpleSect:
+        isFirst=isFirstChildNode((DocSimpleSect*)p->parent(),p);
+        isLast =isLastChildNode ((DocSimpleSect*)p->parent(),p);
+        if (isFirst) t=2;
+        if (isLast)  t=4;
+        if (isSeparatedParagraph((DocSimpleSect*)p->parent(),p))
+          // if the paragraph is enclosed with separators it will
+          // be included in <dd>..</dd> so avoid addition paragraph
+          // markers
+        {
+          isFirst=isLast=TRUE;
+        }
+        break;
+      default:
+        break;
+    }
+    //printf("para=%p parent()->kind=%d isFirst=%d isLast=%d t=%d\n",
+    //    p,p->parent()->kind(),isFirst,isLast,t);
+  }
+  return t;
+}
+
+void HtmlDocVisitor::visitPre(DocPara *p) 
+{
+  if (m_hide) return;
+
+  //printf("Processing docpara with parent of kind %d\n",
+  //       p->parent() ? p->parent()->kind() : -1);
+
+  bool needsTag = FALSE;
+  if (p && p->parent()) 
+  {
+    switch (p->parent()->kind()) 
+    {
+      case DocNode::Kind_Section:
+      case DocNode::Kind_HtmlListItem:
+      case DocNode::Kind_HtmlDescData:
+      case DocNode::Kind_HtmlCell:
+      case DocNode::Kind_SimpleListItem:
+      case DocNode::Kind_AutoListItem:
+      case DocNode::Kind_SimpleSect:
+      case DocNode::Kind_XRefItem:
+        needsTag = TRUE;
+        break;
+      case DocNode::Kind_Root:
+        needsTag = !((DocRoot*)p->parent())->singleLine();
+        break;
+      default:
+        needsTag = FALSE;
+    }
+  }
+
+  // if the first element of a paragraph is something that should be outside of
+  // the paragraph (<ul>,<dl>,<table>,..) then that will already started the 
+  // paragraph and we don't need to do it here
+  uint nodeIndex = 0;
+  if (p && nodeIndex<p->children().count())
+  {
+    while (nodeIndex<p->children().count() && 
+           p->children().at(nodeIndex)->kind()==DocNode::Kind_WhiteSpace)
+    {
+      nodeIndex++;
+    }
+    if (nodeIndex<p->children().count())
+    {
+      DocNode *n = p->children().at(nodeIndex);
+      if (mustBeOutsideParagraph(n))
+      {
+        needsTag = FALSE;
+      }
+    }
+  }
+
+  // check if this paragraph is the first or last child of a <li> or <dd>.
+  // this allows us to mark the tag with a special class so we can
+  // fix the otherwise ugly spacing.
+  int t;
+  static const char *contexts[7] = 
+  { "",                     // 0
+    " class=\"startli\"",   // 1
+    " class=\"startdd\"",   // 2
+    " class=\"endli\"",     // 3
+    " class=\"enddd\"",     // 4
+    " class=\"starttd\"",   // 5
+    " class=\"endtd\""      // 6
+  };
+  bool isFirst;
+  bool isLast;
+  t = getParagraphContext(p,isFirst,isLast);
+  //printf("startPara first=%d last=%d\n",isFirst,isLast);
+  if (isFirst && isLast) needsTag=FALSE;
+
+  // write the paragraph tag (if needed)
+  if (needsTag) m_t << "<p" << contexts[t] << ">";
+}
+
+void HtmlDocVisitor::visitPost(DocPara *p)
+{
+//  if (m_hide) return;
+//  if (!p->isLast() &&            // omit <p> for last paragraph
+//      !(p->parent() &&           // and for parameter sections
+//        p->parent()->kind()==DocNode::Kind_ParamSect
+//       ) 
+//     ) 
+//  {
+//    m_t << "<p>\n";
+//  }
+
+  bool needsTag = FALSE;
+  if (p && p->parent()) 
+  {
+    switch (p->parent()->kind()) 
+    {
+      case DocNode::Kind_Section:
+      case DocNode::Kind_HtmlListItem:
+      case DocNode::Kind_HtmlDescData:
+      case DocNode::Kind_HtmlCell:
+      case DocNode::Kind_SimpleListItem:
+      case DocNode::Kind_AutoListItem:
+      case DocNode::Kind_SimpleSect:
+      case DocNode::Kind_XRefItem:
+        needsTag = TRUE;
+        break;
+      case DocNode::Kind_Root:
+        needsTag = !((DocRoot*)p->parent())->singleLine();
+        break;
+      default:
+        needsTag = FALSE;
+    }
+  }
+
+  QCString context;
+  // if the last element of a paragraph is something that should be outside of
+  // the paragraph (<ul>,<dl>,<table>) then that will already have ended the 
+  // paragraph and we don't need to do it here
+  int nodeIndex = p->children().count()-1;
+  if (p && nodeIndex>=0)
+  {
+    while (nodeIndex>=0 && p->children().at(nodeIndex)->kind()==DocNode::Kind_WhiteSpace)
+    {
+      nodeIndex--;
+    }
+    if (nodeIndex>=0)
+    {
+      DocNode *n = p->children().at(nodeIndex);
+      if (mustBeOutsideParagraph(n))
+      {
+        needsTag = FALSE;
+      }
+    }
+  }
+
+  bool isFirst;
+  bool isLast;
+  getParagraphContext(p,isFirst,isLast);
+  //printf("endPara first=%d last=%d\n",isFirst,isLast);
+  if (isFirst && isLast) needsTag=FALSE;
+
+  if (needsTag) m_t << "</p>\n";
+
+}
+
+void HtmlDocVisitor::visitPre(DocRoot *)
+{
+}
+
+void HtmlDocVisitor::visitPost(DocRoot *)
+{
+}
+
+void HtmlDocVisitor::visitPre(DocSimpleSect *s)
+{
+  if (m_hide) return;
+  forceEndParagraph(s);
+  m_t << "<dl class=\"" << s->typeString() << "\"><dt><b>";
+  switch(s->type())
+  {
+    case DocSimpleSect::See: 
+      m_t << theTranslator->trSeeAlso(); break;
+    case DocSimpleSect::Return: 
+      m_t << theTranslator->trReturns(); break;
+    case DocSimpleSect::Author: 
+      m_t << theTranslator->trAuthor(TRUE,TRUE); break;
+    case DocSimpleSect::Authors: 
+      m_t << theTranslator->trAuthor(TRUE,FALSE); break;
+    case DocSimpleSect::Version: 
+      m_t << theTranslator->trVersion(); break;
+    case DocSimpleSect::Since: 
+      m_t << theTranslator->trSince(); break;
+    case DocSimpleSect::Date: 
+      m_t << theTranslator->trDate(); break;
+    case DocSimpleSect::Note: 
+      m_t << theTranslator->trNote(); break;
+    case DocSimpleSect::Warning:
+      m_t << theTranslator->trWarning(); break;
+    case DocSimpleSect::Pre:
+      m_t << theTranslator->trPrecondition(); break;
+    case DocSimpleSect::Post:
+      m_t << theTranslator->trPostcondition(); break;
+    case DocSimpleSect::Invar:
+      m_t << theTranslator->trInvariant(); break;
+    case DocSimpleSect::Remark:
+      m_t << theTranslator->trRemarks(); break;
+    case DocSimpleSect::Attention:
+      m_t << theTranslator->trAttention(); break;
+    case DocSimpleSect::User: break;
+    case DocSimpleSect::Rcs: break;
+    case DocSimpleSect::Unknown:  break;
+  }
+
+  // special case 1: user defined title
+  if (s->type()!=DocSimpleSect::User && s->type()!=DocSimpleSect::Rcs)
+  {
+    m_t << ":</b></dt><dd>";
+  }
+}
+
+void HtmlDocVisitor::visitPost(DocSimpleSect *s)
+{
+  if (m_hide) return;
+  m_t << "</dd></dl>\n";
+  forceStartParagraph(s);
+}
+
+void HtmlDocVisitor::visitPre(DocTitle *)
+{
+}
+
+void HtmlDocVisitor::visitPost(DocTitle *)
+{
+  if (m_hide) return;
+  m_t << "</b></dt><dd>";
+}
+
+void HtmlDocVisitor::visitPre(DocSimpleList *sl)
+{
+  if (m_hide) return;
+  forceEndParagraph(sl);
+  m_t << "<ul>";
+  if (!sl->isPreformatted()) m_t << "\n";
+
+}
+
+void HtmlDocVisitor::visitPost(DocSimpleList *sl)
+{
+  if (m_hide) return;
+  m_t << "</ul>";
+  if (!sl->isPreformatted()) m_t << "\n";
+  forceStartParagraph(sl);
+}
+
+void HtmlDocVisitor::visitPre(DocSimpleListItem *)
+{
+  if (m_hide) return;
+  m_t << "<li>";
+}
+
+void HtmlDocVisitor::visitPost(DocSimpleListItem *li) 
+{
+  if (m_hide) return;
+  m_t << "</li>";
+  if (!li->isPreformatted()) m_t << "\n";
+}
+
+void HtmlDocVisitor::visitPre(DocSection *s)
+{
+  if (m_hide) return;
+  forceEndParagraph(s);
+  m_t << "<h" << s->level()+1 << ">";
+  m_t << "<a class=\"anchor\" id=\"" << s->anchor();
+  m_t << "\">" << endl;
+  filter(convertCharEntitiesToUTF8(s->title().data()));
+  m_t << "</a></h" << s->level()+1 << ">\n";
+}
+
+void HtmlDocVisitor::visitPost(DocSection *s) 
+{
+  forceStartParagraph(s);
+}
+
+void HtmlDocVisitor::visitPre(DocHtmlList *s)
+{
+  if (m_hide) return;
+  forceEndParagraph(s);
+  if (s->type()==DocHtmlList::Ordered) 
+  {
+    m_t << "<ol" << htmlAttribsToString(s->attribs()) << ">\n"; 
+  }
+  else 
+  {
+    m_t << "<ul" << htmlAttribsToString(s->attribs()) << ">\n";
+  }
+}
+
+void HtmlDocVisitor::visitPost(DocHtmlList *s) 
+{
+  if (m_hide) return;
+  if (s->type()==DocHtmlList::Ordered) 
+  {
+    m_t << "</ol>"; 
+  }
+  else
+  { 
+    m_t << "</ul>";
+  }
+  if (!s->isPreformatted()) m_t << "\n";
+  forceStartParagraph(s);
+}
+
+void HtmlDocVisitor::visitPre(DocHtmlListItem *i)
+{
+  if (m_hide) return;
+  m_t << "<li" << htmlAttribsToString(i->attribs()) << ">";
+  if (!i->isPreformatted()) m_t << "\n";
+}
+
+void HtmlDocVisitor::visitPost(DocHtmlListItem *) 
+{
+  if (m_hide) return;
+  m_t << "</li>\n";
+}
+
+void HtmlDocVisitor::visitPre(DocHtmlDescList *dl)
+{
+  if (m_hide) return;
+  forceEndParagraph(dl);
+  m_t << "<dl" << htmlAttribsToString(dl->attribs()) << ">\n";
+}
+
+void HtmlDocVisitor::visitPost(DocHtmlDescList *dl) 
+{
+  if (m_hide) return;
+  m_t << "</dl>\n";
+  forceStartParagraph(dl);
+}
+
+void HtmlDocVisitor::visitPre(DocHtmlDescTitle *dt)
+{
+  if (m_hide) return;
+  m_t << "<dt" << htmlAttribsToString(dt->attribs()) << ">";
+}
+
+void HtmlDocVisitor::visitPost(DocHtmlDescTitle *) 
+{
+  if (m_hide) return;
+  m_t << "</dt>\n";
+}
+
+void HtmlDocVisitor::visitPre(DocHtmlDescData *dd)
+{
+  if (m_hide) return;
+  m_t << "<dd" << htmlAttribsToString(dd->attribs()) << ">";
+}
+
+void HtmlDocVisitor::visitPost(DocHtmlDescData *) 
+{
+  if (m_hide) return;
+  m_t << "</dd>\n";
+}
+
+void HtmlDocVisitor::visitPre(DocHtmlTable *t)
+{
+  if (m_hide) return;
+  //bool hasBorder      = FALSE;
+  //bool hasCellSpacing = FALSE;
+  //bool hasCellPadding = FALSE;
+
+  forceEndParagraph(t);
+
+  //HtmlAttribListIterator li(t->attribs());
+  //HtmlAttrib *att;
+  //for (li.toFirst();(att=li.current());++li)
+  //{
+  // if      (att->name=="border")      hasBorder=TRUE;
+  //  else if (att->name=="cellspacing") hasCellSpacing=TRUE;
+  //  else if (att->name=="cellpadding") hasCellPadding=TRUE;
+  //}
+  m_t << "<table class=\"doxtable\"" << htmlAttribsToString(t->attribs());
+  //if (!hasBorder)      m_t << " border=\"1\"";
+  //if (!hasCellSpacing) m_t << " cellspacing=\"3\"";
+  //if (!hasCellPadding) m_t << " cellpadding=\"3\"";
+  m_t << ">\n";
+}
+
+void HtmlDocVisitor::visitPost(DocHtmlTable *t) 
+{
+  if (m_hide) return;
+  m_t << "</table>\n";
+  forceStartParagraph(t);
+}
+
+void HtmlDocVisitor::visitPre(DocHtmlRow *tr)
+{
+  if (m_hide) return;
+  m_t << "<tr" << htmlAttribsToString(tr->attribs()) << ">\n";
+}
+
+void HtmlDocVisitor::visitPost(DocHtmlRow *) 
+{
+  if (m_hide) return;
+  m_t << "</tr>\n";
+}
+
+void HtmlDocVisitor::visitPre(DocHtmlCell *c)
+{
+  if (m_hide) return;
+  if (c->isHeading()) 
+  {
+    m_t << "<th" << htmlAttribsToString(c->attribs()) << ">"; 
+  }
+  else 
+  {
+    m_t << "<td" << htmlAttribsToString(c->attribs()) << ">";
+  }
+}
+
+void HtmlDocVisitor::visitPost(DocHtmlCell *c) 
+{
+  if (m_hide) return;
+  if (c->isHeading()) m_t << "</th>"; else m_t << "</td>";
+}
+
+void HtmlDocVisitor::visitPre(DocHtmlCaption *c)
+{
+  if (m_hide) return;
+  bool hasAlign      = FALSE;
+  HtmlAttribListIterator li(c->attribs());
+  HtmlAttrib *att;
+  for (li.toFirst();(att=li.current());++li)
+  {
+    if (att->name=="align") hasAlign=TRUE;
+  }
+  m_t << "<caption" << htmlAttribsToString(c->attribs());
+  if (!hasAlign) m_t << " align=\"bottom\"";
+  m_t << ">";
+}
+
+void HtmlDocVisitor::visitPost(DocHtmlCaption *) 
+{
+  if (m_hide) return;
+  m_t << "</caption>\n";
+}
+
+void HtmlDocVisitor::visitPre(DocInternal *)
+{
+  if (m_hide) return;
+  m_t << "<p><b>" << theTranslator->trForInternalUseOnly() << "</b></p>" << endl;
+  m_t << "<p>" << endl;
+}
+
+void HtmlDocVisitor::visitPost(DocInternal *) 
+{
+  if (m_hide) return;
+  m_t << "</p>" << endl;
+}
+
+void HtmlDocVisitor::visitPre(DocHRef *href)
+{
+  if (m_hide) return;
+  m_t << "<a href=\"" << convertToXML(href->url())  << "\""
+      << htmlAttribsToString(href->attribs()) << ">";
+}
+
+void HtmlDocVisitor::visitPost(DocHRef *) 
+{
+  if (m_hide) return;
+  m_t << "</a>";
+}
+
+void HtmlDocVisitor::visitPre(DocHtmlHeader *header)
+{
+  if (m_hide) return;
+  forceEndParagraph(header);
+  m_t << "<h" << header->level() 
+      << htmlAttribsToString(header->attribs()) << ">";
+}
+
+void HtmlDocVisitor::visitPost(DocHtmlHeader *header) 
+{
+  if (m_hide) return;
+  m_t << "</h" << header->level() << ">\n";
+  forceStartParagraph(header);
+}
+
+void HtmlDocVisitor::visitPre(DocImage *img)
+{
+  if (img->type()==DocImage::Html)
+  {
+    forceEndParagraph(img);
+    if (m_hide) return;
+    QString baseName=img->name();
+    int i;
+    if ((i=baseName.findRev('/'))!=-1 || (i=baseName.findRev('\\'))!=-1)
+    {
+      baseName=baseName.right(baseName.length()-i-1);
+    }
+    m_t << "<div align=\"center\">" << endl;
+    m_t << "<img src=\"" << img->relPath() << img->name() << "\" alt=\"" 
+      << baseName << "\"" << "/>" << endl;
+    if (img->hasCaption())
+    {
+      m_t << "<p><strong>";
+    }
+  }
+  else // other format -> skip
+  {
+    pushEnabled();
+    m_hide=TRUE;
+  }
+}
+
+void HtmlDocVisitor::visitPost(DocImage *img) 
+{
+  if (img->type()==DocImage::Html)
+  {
+    if (m_hide) return;
+    if (img->hasCaption())
+    {
+      m_t << "</strong></p>";
+    }
+    m_t << "</div>" << endl;
+    forceStartParagraph(img);
+  }
+  else // other format
+  {
+    popEnabled();
+  }
+}
+
+void HtmlDocVisitor::visitPre(DocDotFile *df)
+{
+  if (m_hide) return;
+  writeDotFile(df->file(),df->relPath(),df->context());
+  m_t << "<div align=\"center\">" << endl;
+  if (df->hasCaption())
+  { 
+    m_t << "<p><strong>";
+  }
+}
+
+void HtmlDocVisitor::visitPost(DocDotFile *df) 
+{
+  if (m_hide) return;
+  if (df->hasCaption())
+  {
+    m_t << "</strong></p>" << endl;
+  }
+  m_t << "</div>" << endl;
+}
+
+void HtmlDocVisitor::visitPre(DocLink *lnk)
+{
+  if (m_hide) return;
+  startLink(lnk->ref(),lnk->file(),lnk->relPath(),lnk->anchor());
+}
+
+void HtmlDocVisitor::visitPost(DocLink *) 
+{
+  if (m_hide) return;
+  endLink();
+}
+
+void HtmlDocVisitor::visitPre(DocRef *ref)
+{
+  if (m_hide) return;
+  if (!ref->file().isEmpty()) 
+  {
+    startLink(ref->ref(),ref->file(),ref->relPath(),ref->anchor());
+  }
+  if (!ref->hasLinkText()) filter(ref->targetTitle());
+}
+
+void HtmlDocVisitor::visitPost(DocRef *ref) 
+{
+  if (m_hide) return;
+  if (!ref->file().isEmpty()) endLink();
+  //m_t << " ";
+}
+
+void HtmlDocVisitor::visitPre(DocSecRefItem *ref)
+{
+  if (m_hide) return;
+  QString refName=ref->file();
+  if (refName.right(Doxygen::htmlFileExtension.length())!=
+      QString(Doxygen::htmlFileExtension))
+  {
+    refName+=Doxygen::htmlFileExtension;
+  }
+  m_t << "<li><a href=\"" << refName << "#" << ref->anchor() << "\">";
+
+}
+
+void HtmlDocVisitor::visitPost(DocSecRefItem *) 
+{
+  if (m_hide) return;
+  m_t << "</a></li>\n";
+}
+
+void HtmlDocVisitor::visitPre(DocSecRefList *s)
+{
+  if (m_hide) return;
+  forceEndParagraph(s);
+  m_t << "<div class=\"multicol\">" << endl;
+  m_t << "<ul>" << endl;
+}
+
+void HtmlDocVisitor::visitPost(DocSecRefList *s) 
+{
+  if (m_hide) return;
+  m_t << "</ul>" << endl;
+  m_t << "</div>" << endl;
+  forceStartParagraph(s);
+}
+
+//void HtmlDocVisitor::visitPre(DocLanguage *l)
+//{
+//  QString langId = Config_getEnum("OUTPUT_LANGUAGE");
+//  if (l->id().lower()!=langId.lower())
+//  {
+//    pushEnabled();
+//    m_hide = TRUE;
+//  }
+//}
+//
+//void HtmlDocVisitor::visitPost(DocLanguage *l) 
+//{
+//  QString langId = Config_getEnum("OUTPUT_LANGUAGE");
+//  if (l->id().lower()!=langId.lower())
+//  {
+//    popEnabled();
+//  }
+//}
+
+void HtmlDocVisitor::visitPre(DocParamSect *s)
+{
+  if (m_hide) return;
+  forceEndParagraph(s);
+  m_t << "<dl><dt><b>";
+  switch(s->type())
+  {
+    case DocParamSect::Param: 
+      m_t << theTranslator->trParameters(); break;
+    case DocParamSect::RetVal: 
+      m_t << theTranslator->trReturnValues(); break;
+    case DocParamSect::Exception: 
+      m_t << theTranslator->trExceptions(); break;
+    case DocParamSect::TemplateParam: 
+      /* TODO: add this 
+      m_t << theTranslator->trTemplateParam(); break;
+      */
+      m_t << "Template Parameters"; break;
+    default:
+      ASSERT(0);
+  }
+  m_t << ":";
+  m_t << "</b></dt><dd>" << endl;
+  m_t << "  <table border=\"0\" cellspacing=\"2\" cellpadding=\"0\">" << endl;
+}
+
+void HtmlDocVisitor::visitPost(DocParamSect *s)
+{
+  if (m_hide) return;
+  m_t << "  </table>" << endl;
+  m_t << "  </dd>" << endl;
+  m_t << "</dl>" << endl;
+  forceStartParagraph(s);
+}
+
+void HtmlDocVisitor::visitPre(DocParamList *pl)
+{
+  if (m_hide) return;
+  m_t << "    <tr><td valign=\"top\">";
+  if (pl->direction()!=DocParamSect::Unspecified)
+  {
+    m_t << "<tt>[";
+    if (pl->direction()==DocParamSect::In)
+    {
+      m_t << "in";
+    }
+    else if (pl->direction()==DocParamSect::Out)
+    {
+      m_t << "out";
+    }
+    else if (pl->direction()==DocParamSect::InOut)
+    {
+      m_t << "in,out";
+    }
+    m_t << "]</tt>&nbsp;";
+  }
+  m_t << "</td><td valign=\"top\"><em>";
+  //QStrListIterator li(pl->parameters());
+  //const char *s;
+  QListIterator<DocNode> li(pl->parameters());
+  DocNode *param;
+  bool first=TRUE;
+  for (li.toFirst();(param=li.current());++li)
+  {
+    if (!first) m_t << ","; else first=FALSE;
+    if (param->kind()==DocNode::Kind_Word)
+    {
+      visit((DocWord*)param); 
+    }
+    else if (param->kind()==DocNode::Kind_LinkedWord)
+    {
+      visit((DocLinkedWord*)param); 
+    }
+  }
+  m_t << "</em>&nbsp;</td><td>";
+}
+
+void HtmlDocVisitor::visitPost(DocParamList *)
+{
+  if (m_hide) return;
+  m_t << "</td></tr>" << endl;
+}
+
+void HtmlDocVisitor::visitPre(DocXRefItem *x)
+{
+  if (m_hide) return;
+  forceEndParagraph(x);
+  bool anonymousEnum = x->file()=="@";
+  if (!anonymousEnum)
+  {
+    m_t << "<dl class=\"" << x->key() << "\"><dt><b><a class=\"el\" href=\"" 
+        << x->relPath() << x->file() << Doxygen::htmlFileExtension 
+        << "#" << x->anchor() << "\">";
+  }
+  else 
+  {
+    m_t << "<dl class=\"" << x->key() << "\"><dt><b>";
+  }
+  filter(x->title());
+  m_t << ":";
+  if (!anonymousEnum) m_t << "</a>";
+  m_t << "</b></dt><dd>";
+}
+
+void HtmlDocVisitor::visitPost(DocXRefItem *x)
+{
+  if (m_hide) return;
+  m_t << "</dd></dl>" << endl;
+  forceStartParagraph(x);
+}
+
+void HtmlDocVisitor::visitPre(DocInternalRef *ref)
+{
+  if (m_hide) return;
+  startLink(0,ref->file(),ref->relPath(),ref->anchor());
+}
+
+void HtmlDocVisitor::visitPost(DocInternalRef *) 
+{
+  if (m_hide) return;
+  endLink();
+  m_t << " ";
+}
+
+void HtmlDocVisitor::visitPre(DocCopy *)
+{
+}
+
+void HtmlDocVisitor::visitPost(DocCopy *)
+{
+}
+
+void HtmlDocVisitor::visitPre(DocText *)
+{
+}
+
+void HtmlDocVisitor::visitPost(DocText *)
+{
+}
+
+void HtmlDocVisitor::filter(const char *str)
+{ 
+  if (str==0) return;
+  const char *p=str;
+  char c;
+  while (*p)
+  {
+    c=*p++;
+    switch(c)
+    {
+      case '<':  m_t << "&lt;"; break;
+      case '>':  m_t << "&gt;"; break;
+      case '&':  m_t << "&amp;"; break;
+      default:   m_t << c;
+    }
+  }
+}
+
+/// Escape basic entities to produce a valid CDATA attribute value,
+/// assume that the outer quoting will be using the double quote &quot;
+void HtmlDocVisitor::filterQuotedCdataAttr(const char* str)
+{
+  if (str==0) return;
+  const char *p=str;
+  char c;
+  while (*p)
+  {
+    c=*p++;
+    switch(c)
+    {
+      case '&':  m_t << "&amp;"; break;
+      case '"':  m_t << "&quot;"; break;
+       // For SGML compliance, and given the SGML declaration for HTML syntax,
+       // it's enough to replace these two, provided that the declaration
+       // for the HTML version we generate (and as supported by the browser)
+       // specifies that all the other symbols used in rawVal are
+       // within the right charachter class (i.e., they're not
+       // some multinational weird charachters not in the BASESET).
+       // We assume that 1) the browser will support whatever is remaining
+       // in the formula and 2) the TeX formulae are generally governed
+       // by even stricter charachter restrictions so it should be enough.
+       //
+       // On some incompliant browsers, additional translation of
+       // '>' and '<' into "&gt;" and "&lt;", respectively, might be needed;
+       // but I'm unaware of particular modern (last 4 years) versions
+       // with such problems, so let's not do it for performance.
+       // Also, some brousers will (wrongly) not process the entity references
+       // inside the attribute value and show the &...; form instead,  
+       // so we won't create entites unless necessary to minimize clutter there.
+       // --vassilii 
+      default:   m_t << c;
+    }
+  }
+}
+
+void HtmlDocVisitor::startLink(const QString &ref,const QString &file,
+                               const QString &relPath,const QString &anchor,
+                               const QString &tooltip)
+{
+  QCString *dest;
+  if (!ref.isEmpty()) // link to entity imported via tag file
+  {
+    m_t << "<a class=\"elRef\" ";
+    m_t << "doxygen=\"" << ref << ":";
+    if ((dest=Doxygen::tagDestinationDict[ref])) m_t << *dest << "/";
+    m_t << "\" ";
+  }
+  else // local link
+  {
+    m_t << "<a class=\"el\" ";
+  }
+  m_t << "href=\"";
+  if (!ref.isEmpty())
+  {
+    if ((dest=Doxygen::tagDestinationDict[ref])) m_t << *dest << "/";
+  }
+  else
+  {
+    m_t << relPath;
+  }
+  if (!file.isEmpty()) m_t << file << Doxygen::htmlFileExtension;
+  if (!anchor.isEmpty()) m_t << "#" << anchor;
+  m_t << "\"";
+  if (!tooltip.isEmpty()) m_t << " title=\"" << tooltip << "\"";
+  m_t << ">";
+}
+
+void HtmlDocVisitor::endLink()
+{
+  m_t << "</a>";
+}
+
+void HtmlDocVisitor::pushEnabled()
+{
+  m_enabled.push(new bool(m_hide));
+}
+
+void HtmlDocVisitor::popEnabled()
+{
+  bool *v=m_enabled.pop();
+  ASSERT(v!=0);
+  m_hide = *v;
+  delete v;
+}
+
+void HtmlDocVisitor::writeDotFile(const QString &fileName,const QString &relPath,
+                                  const QString &context)
+{
+  QString baseName=fileName;
+  int i;
+  if ((i=baseName.findRev('/'))!=-1)
+  {
+    baseName=baseName.right(baseName.length()-i-1);
+  }
+  QString outDir = Config_getString("HTML_OUTPUT");
+  writeDotGraphFromFile(fileName,outDir,baseName,BITMAP);
+  QString mapName = baseName+".map";
+  QString mapFile = fileName+".map";
+  m_t << "<img src=\"" << relPath << baseName << "." 
+    << Config_getEnum("DOT_IMAGE_FORMAT") << "\" alt=\""
+    << baseName << "\" border=\"0\" usemap=\"#" << mapName << "\">" << endl;
+  QString imap = getDotImageMapFromFile(fileName,outDir,relPath.data(),context);
+  m_t << "<map name=\"" << mapName << "\" id=\"" << mapName << "\">" << imap << "</map>" << endl;
+}
+
+void HtmlDocVisitor::writeMscFile(const QString &fileName,const QString &relPath,
+                                  const QString &context)
+{
+  QString baseName=fileName;
+  int i;
+  if ((i=baseName.findRev('/'))!=-1)
+  {
+    baseName=baseName.right(baseName.length()-i-1);
+  }
+  QString outDir = Config_getString("HTML_OUTPUT");
+  writeMscGraphFromFile(fileName,outDir,baseName,MSC_BITMAP);
+  QString mapName = baseName+".map";
+  QString mapFile = fileName+".map";
+  m_t << "<img src=\"" << relPath << baseName << ".png\" alt=\""
+    << baseName << "\" border=\"0\" usemap=\"#" << mapName << "\">" << endl;
+  QString imap = getMscImageMapFromFile(fileName,outDir,relPath.data(),context);
+  m_t << "<map name=\"" << mapName << "\" id=\"" << mapName << "\">" << imap << "</map>" << endl;
+}
+
+/** Used for items found inside a paragraph, which due to XHTML restrictions
+ *  have to be outside of the paragraph. This method will forcefully end
+ *  the current paragraph and forceStartParagraph() will restart it.
+ */
+void HtmlDocVisitor::forceEndParagraph(DocNode *n)
+{
+  //printf("forceEndParagraph(%p) %d\n",n,n->kind());
+  if (n->parent() && n->parent()->kind()==DocNode::Kind_Para)
+  {
+    DocPara *para = (DocPara*)n->parent();
+    int nodeIndex = para->children().findRef(n);
+    nodeIndex--;
+    if (nodeIndex<0) return; // first node
+    while (nodeIndex>=0 && 
+           para->children().at(nodeIndex)->kind()==DocNode::Kind_WhiteSpace
+          )
+    {
+      nodeIndex--;
+    }
+    if (nodeIndex>=0)
+    {
+      DocNode *n = para->children().at(nodeIndex);
+      //printf("n=%p kind=%d outside=%d\n",n,n->kind(),mustBeOutsideParagraph(n));
+      if (mustBeOutsideParagraph(n)) return;
+    }
+
+    bool isFirst;
+    bool isLast;
+    getParagraphContext(para,isFirst,isLast);
+    //printf("forceEnd first=%d last=%d\n",isFirst,isLast);
+    if (isFirst && isLast) return;
+
+    m_t << "</p>" << endl;
+  }
+}
+
+/** Used for items found inside a paragraph, which due to XHTML restrictions
+ *  have to be outside of the paragraph. This method will forcefully start
+ *  the paragraph, that was previously ended by forceEndParagraph().
+ */
+void HtmlDocVisitor::forceStartParagraph(DocNode *n)
+{
+  //printf("forceStartParagraph(%p) %d\n",n,n->kind());
+  if (n->parent() && n->parent()->kind()==DocNode::Kind_Para) // if we are inside a paragraph
+  {
+    DocPara *para = (DocPara*)n->parent();
+    int nodeIndex = para->children().findRef(n);
+    int numNodes  = para->children().count();
+    nodeIndex++;
+    if (nodeIndex==numNodes) return; // last node
+    while (nodeIndex<numNodes && 
+           para->children().at(nodeIndex)->kind()==DocNode::Kind_WhiteSpace
+          )
+    {
+      nodeIndex++;
+    }
+    if (nodeIndex<numNodes)
+    {
+      DocNode *n = para->children().at(nodeIndex);
+      if (mustBeOutsideParagraph(n)) return;
+    }
+    else
+    {
+      return; // only whitespace at the end!
+    }
+
+    bool isFirst;
+    bool isLast;
+    getParagraphContext(para,isFirst,isLast);
+    //printf("forceStart first=%d last=%d\n",isFirst,isLast);
+    if (isFirst && isLast) return;
+
+    m_t << "<p>";
+  }
+}
+