mandocvisitor.cpp

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/******************************************************************************
 *
 * $Id: $
 *
 *
 * 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 "mandocvisitor.h"
#include "docparser.h"
#include "language.h"
#include "doxygen.h"
#include "outputgen.h"
#include "code.h"
#include "dot.h"
#include "util.h"
#include "message.h"
#include <qfileinfo.h> 
#include "parserintf.h"

ManDocVisitor::ManDocVisitor(QTextStream &t,CodeOutputInterface &ci,
                             const char *langExt) 
  : DocVisitor(DocVisitor_Man), m_t(t), m_ci(ci), m_insidePre(FALSE), m_hide(FALSE), m_firstCol(TRUE),
    m_indent(0), m_langExt(langExt)
{
}

  //--------------------------------------
  // visitor functions for leaf nodes
  //--------------------------------------

void ManDocVisitor::visit(DocWord *w)
{
  if (m_hide) return;
  filter(w->word());
  m_firstCol=FALSE;
}

void ManDocVisitor::visit(DocLinkedWord *w)
{
  if (m_hide) return;
  m_t << "\\fB";
  filter(w->word());
  m_t << "\\fP";
  m_firstCol=FALSE;
}

void ManDocVisitor::visit(DocWhiteSpace *w)
{
  if (m_hide) return;
  if (m_insidePre)
  {
    m_t << w->chars();
    m_firstCol=w->chars().at(w->chars().length()-1)=='\n';
  }
  else
  {
    m_t << " ";
    m_firstCol=FALSE;
  }
}

void ManDocVisitor::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 << "<"; break;
    case DocSymbol::Greater: m_t << ">"; break;
    case DocSymbol::Amp:     m_t << "&"; break;
    case DocSymbol::Dollar:  m_t << "$"; break;
    case DocSymbol::Hash:    m_t << "#"; break;
    case DocSymbol::Percent: m_t << "%"; break;
    case DocSymbol::Copy:    m_t << "(C)"; break;
    case DocSymbol::Tm:      m_t << "(TM)"; break;
    case DocSymbol::Reg:     m_t << "(R)"; break;
    case DocSymbol::Apos:    m_t << "'"; break;
    case DocSymbol::Quot:    m_t << "\""; break;
    case DocSymbol::Lsquo:   m_t << "`"; break;
    case DocSymbol::Rsquo:   m_t << "'"; break;
    case DocSymbol::Ldquo:   m_t << "``"; break;
    case DocSymbol::Rdquo:   m_t << "''"; break;
    case DocSymbol::Ndash:   m_t << "--"; break;
    case DocSymbol::Mdash:   m_t << "---"; break;
    case DocSymbol::Uml:     m_t << s->letter() << "\\*(4"; break;
    case DocSymbol::Acute:   m_t << s->letter() << "\\*(`"; break;
    case DocSymbol::Grave:   m_t << s->letter() << "\\*:"; break;
    case DocSymbol::Circ:    m_t << s->letter() << "\\*^"; break;
    case DocSymbol::Slash:   m_t << s->letter(); break; /* todo: implement this */
    case DocSymbol::Tilde:   m_t << s->letter() << "\\*~"; break;
    case DocSymbol::Szlig:   m_t << "s\\*:"; break;
    case DocSymbol::Cedil:   m_t << s->letter() << "\\*,"; break;
    case DocSymbol::Ring:    m_t << s->letter() << "\\*o"; break;
    case DocSymbol::Nbsp:    m_t << " "; break;
    default:
                             err("Error: unknown symbol found\n");
  }
  m_firstCol=FALSE;
}

void ManDocVisitor::visit(DocURL *u)
{
  if (m_hide) return;
  m_t << u->url();
  m_firstCol=FALSE;
}

void ManDocVisitor::visit(DocLineBreak *)
{
  if (m_hide) return;
  m_t << endl << ".br" << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visit(DocHorRuler *)
{
  if (m_hide) return;
  if (!m_firstCol) m_t << endl;
  m_t << ".PP" << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visit(DocStyleChange *s)
{
  if (m_hide) return;
  switch (s->style())
  {
    case DocStyleChange::Bold:
      if (s->enable()) m_t << "\\fB";      else m_t << "\\fP";
      m_firstCol=FALSE;
      break;
    case DocStyleChange::Italic:
      if (s->enable()) m_t << "\\fI";     else m_t << "\\fP";
      m_firstCol=FALSE;
      break;
    case DocStyleChange::Code:
      if (s->enable()) m_t << "\\fC";   else m_t << "\\fP";
      m_firstCol=FALSE;
      break;
    case DocStyleChange::Subscript:
      if (s->enable()) m_t << "\\*<";    else m_t << "\\*> ";
      m_firstCol=FALSE;
      break;
    case DocStyleChange::Superscript:
      if (s->enable()) m_t << "\\*{";    else m_t << "\\*} ";
      m_firstCol=FALSE;
      break;
    case DocStyleChange::Center:
      /* not supported */
      break;
    case DocStyleChange::Small:
      /* not supported */
      break;
    case DocStyleChange::Preformatted:
      if (s->enable())
      {
        if (!m_firstCol) m_t << endl;
        m_t << ".PP" << endl;
        m_t << ".nf" << endl;
        m_insidePre=TRUE;
      }
      else
      {
        m_insidePre=FALSE;
        if (!m_firstCol) m_t << endl;
        m_t << ".fi" << endl;
        m_t << ".PP" << endl;
        m_firstCol=TRUE;
      }
      break;
    case DocStyleChange::Div:  /* HTML only */ break;
    case DocStyleChange::Span: /* HTML only */ break;
  }
}

void ManDocVisitor::visit(DocVerbatim *s)
{
  if (m_hide) return;
  switch(s->type())
  {
    case DocVerbatim::Code: // fall though
      if (!m_firstCol) m_t << endl;
      m_t << ".PP" << endl;
      m_t << ".nf" << endl;
      Doxygen::parserManager->getParser(0/*TODO*/)
                            ->parseCode(m_ci,s->context(),s->text().latin1(),
                                        s->isExample(),s->exampleFile());
      if (!m_firstCol) m_t << endl;
      m_t << ".fi" << endl;
      m_t << ".PP" << endl;
      m_firstCol=TRUE;
      break;
    case DocVerbatim::Verbatim: 
      if (!m_firstCol) m_t << endl;
      m_t << ".PP" << endl;
      m_t << ".nf" << endl;
      m_t << s->text();
      if (!m_firstCol) m_t << endl;
      m_t << ".fi" << endl;
      m_t << ".PP" << endl;
      m_firstCol=TRUE;
      break;
    case DocVerbatim::ManOnly: 
      m_t << s->text(); 
      break;
    case DocVerbatim::HtmlOnly: 
    case DocVerbatim::XmlOnly: 
    case DocVerbatim::LatexOnly: 
    case DocVerbatim::Dot: 
    case DocVerbatim::Msc: 
      /* nothing */ 
      break;
  }
}

void ManDocVisitor::visit(DocAnchor *)
{
  /* no support for anchors in man pages */
}

void ManDocVisitor::visit(DocInclude *inc)
{
  if (m_hide) return;
  switch(inc->type())
  {
    case DocInclude::IncWithLines:
      { 
         if (!m_firstCol) m_t << endl;
         m_t << ".PP" << endl;
         m_t << ".nf" << endl;
         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);
         if (!m_firstCol) m_t << endl;
         m_t << ".fi" << endl;
         m_t << ".PP" << endl;
         m_firstCol=TRUE;
      }
      break;
    case DocInclude::Include: 
      if (!m_firstCol) m_t << endl;
      m_t << ".PP" << endl;
      m_t << ".nf" << endl;
      Doxygen::parserManager->getParser(inc->extension())
                            ->parseCode(m_ci,inc->context(),
                                        inc->text().latin1(),inc->isExample(),
                                        inc->exampleFile());
      if (!m_firstCol) m_t << endl;
      m_t << ".fi" << endl;
      m_t << ".PP" << endl;
      m_firstCol=TRUE;
      break;
    case DocInclude::DontInclude: 
      break;
    case DocInclude::HtmlInclude: 
      break;
    case DocInclude::VerbInclude: 
      if (!m_firstCol) m_t << endl;
      m_t << ".PP" << endl;
      m_t << ".nf" << endl;
      m_t << inc->text();
      if (!m_firstCol) m_t << endl;
      m_t << ".fi" << endl;
      m_t << ".PP" << endl;
      m_firstCol=TRUE;
      break;
  }
}

void ManDocVisitor::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)
    {
      if (!m_firstCol) m_t << endl;
      m_t << ".PP" << endl;
      m_t << ".nf" << endl;
    }
    pushEnabled();
    m_hide = TRUE;
  }
  if (op->type()!=DocIncOperator::Skip) 
  {
    popEnabled();
    if (!m_hide) 
    {
      Doxygen::parserManager->getParser(0/*TODO*/)
                            ->parseCode(m_ci,op->context(),op->text().latin1(),
                                        op->isExample(),op->exampleFile());
    }
    pushEnabled();
    m_hide=TRUE;
  }
  if (op->isLast())  
  {
    popEnabled();
    if (!m_hide)
    {
      if (!m_firstCol) m_t << endl;
      m_t << ".fi" << endl;
      m_t << ".PP" << endl;
      m_firstCol=TRUE;
    }
  }
  else
  {
    if (!m_hide) m_t << endl;
  }
}

void ManDocVisitor::visit(DocFormula *f)
{
  if (m_hide) return;
  m_t << f->text();
}

void ManDocVisitor::visit(DocIndexEntry *)
{
}

//--------------------------------------
// visitor functions for compound nodes
//--------------------------------------

void ManDocVisitor::visitPre(DocAutoList *)
{
  if (m_hide) return;
  m_indent+=2;
}

void ManDocVisitor::visitPost(DocAutoList *)
{
  if (m_hide) return;
  m_indent-=2;
  m_t << ".PP" << endl;
}

void ManDocVisitor::visitPre(DocAutoListItem *li)
{
  if (m_hide) return;
  QCString ws;
  ws.fill(' ',m_indent-2);
  if (!m_firstCol) m_t << endl;
  m_t << ".IP \"" << ws; 
  if (((DocAutoList *)li->parent())->isEnumList())
  {
    m_t << li->itemNumber() << ".\" " << m_indent+2;
  }
  else // bullet list
  {
    m_t << "\\(bu\" " << m_indent;
  }
  m_t << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPost(DocAutoListItem *) 
{
  if (m_hide) return;
  m_t << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPre(DocPara *) 
{
}

void ManDocVisitor::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
       )
     ) 
  {
    if (!m_firstCol) m_t << endl;
    m_t << ".PP" << endl;
    m_firstCol=TRUE;
  }
}

void ManDocVisitor::visitPre(DocRoot *)
{
}

void ManDocVisitor::visitPost(DocRoot *)
{
}

void ManDocVisitor::visitPre(DocSimpleSect *s)
{
  if (m_hide) return;
  if (!m_firstCol)
  { 
    m_t << endl;
    m_t << ".PP" << endl;
  }
  m_t << "\\fB";
  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 << ":\\fP" << endl;
    m_t << ".RS 4" << endl;
  }
}

void ManDocVisitor::visitPost(DocSimpleSect *)
{
  if (m_hide) return;
  if (!m_firstCol) m_t << endl;
  m_t << ".RE" << endl;
  m_t << ".PP" << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPre(DocTitle *)
{
}

void ManDocVisitor::visitPost(DocTitle *)
{
  if (m_hide) return;
  m_t << "\\fP";
  m_t << ".RS 4" << endl;
}

void ManDocVisitor::visitPre(DocSimpleList *)
{
  if (m_hide) return;
  m_indent+=2;
  if (!m_firstCol) m_t << endl;
  m_t << ".PD 0" << endl;
}

void ManDocVisitor::visitPost(DocSimpleList *)
{
  if (m_hide) return;
  m_indent-=2;
  m_t << ".PP" << endl;
}

void ManDocVisitor::visitPre(DocSimpleListItem *)
{
  if (m_hide) return;
  QCString ws;
  ws.fill(' ',m_indent-2);
  if (!m_firstCol) m_t << endl;
  m_t << ".IP \"" << ws << "\\(bu\" " << m_indent << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPost(DocSimpleListItem *) 
{
  if (m_hide) return;
  m_t << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPre(DocSection *s)
{
  if (m_hide) return;
  if (!m_firstCol) m_t << endl;
  if (s->level()==1) m_t << ".SH"; else m_t << ".SS";
  m_t << " \"";
  filter(s->title());
  m_t << "\"" << endl;
  if (s->level()==1) m_t << ".PP" << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPost(DocSection *) 
{
}

void ManDocVisitor::visitPre(DocHtmlList *)
{
  if (m_hide) return;
  m_indent+=2;
  if (!m_firstCol) m_t << endl;
  m_t << ".PD 0" << endl;
}

void ManDocVisitor::visitPost(DocHtmlList *) 
{
  if (m_hide) return;
  m_indent-=2;
  if (!m_firstCol) m_t << endl;
  m_t << ".PP" << endl;
}

void ManDocVisitor::visitPre(DocHtmlListItem *li)
{
  if (m_hide) return;
  QCString ws;
  ws.fill(' ',m_indent-2);
  if (!m_firstCol) m_t << endl;
  m_t << ".IP \"" << ws; 
  if (((DocHtmlList *)li->parent())->type()==DocHtmlList::Ordered)
  {
    m_t << li->itemNumber() << ".\" " << m_indent+2;
  }
  else // bullet list
  {
    m_t << "\\(bu\" " << m_indent;
  }
  m_t << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPost(DocHtmlListItem *) 
{
  if (m_hide) return;
  m_t << endl;
  m_firstCol=TRUE;
}

//void ManDocVisitor::visitPre(DocHtmlPre *)
//{
//  if (!m_firstCol) m_t << endl;
//  m_t << ".PP" << endl;
//  m_t << ".nf" << endl;
//  m_insidePre=TRUE;
//}
//
//void ManDocVisitor::visitPost(DocHtmlPre *) 
//{
//  m_insidePre=FALSE;
//  if (!m_firstCol) m_t << endl;
//  m_t << ".fi" << endl;
//  m_t << ".PP" << endl;
//  m_firstCol=TRUE;
//}

void ManDocVisitor::visitPre(DocHtmlDescList *)
{
}

void ManDocVisitor::visitPost(DocHtmlDescList *) 
{
  if (m_hide) return;
  if (!m_firstCol) m_t << endl;
  m_t << ".PP" << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPre(DocHtmlDescTitle *)
{
  if (m_hide) return;
  if (!m_firstCol) m_t << endl;
  m_t << ".IP \"\\fB";
  m_firstCol=FALSE;
}

void ManDocVisitor::visitPost(DocHtmlDescTitle *) 
{
  if (m_hide) return;
  m_t << "\\fP\" 1c" << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPre(DocHtmlDescData *)
{
}

void ManDocVisitor::visitPost(DocHtmlDescData *) 
{
}

void ManDocVisitor::visitPre(DocHtmlTable *)
{
}

void ManDocVisitor::visitPost(DocHtmlTable *) 
{
}

void ManDocVisitor::visitPre(DocHtmlCaption *)
{
}

void ManDocVisitor::visitPost(DocHtmlCaption *) 
{
}

void ManDocVisitor::visitPre(DocHtmlRow *)
{
}

void ManDocVisitor::visitPost(DocHtmlRow *) 
{
}

void ManDocVisitor::visitPre(DocHtmlCell *)
{
}

void ManDocVisitor::visitPost(DocHtmlCell *) 
{
}

void ManDocVisitor::visitPre(DocInternal *)
{
  if (m_hide) return;
  if (!m_firstCol) m_t << endl;
  m_t << ".PP" << endl;
  m_t << "\\fB" << theTranslator->trForInternalUseOnly() << "\\fP" << endl;
  m_t << ".RS 4" << endl;
}

void ManDocVisitor::visitPost(DocInternal *) 
{
  if (m_hide) return;
  if (!m_firstCol) m_t << endl;
  m_t << ".RE" << endl;
  m_t << ".PP" << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPre(DocHRef *)
{
  if (m_hide) return;
  m_t << "\\fC";
}

void ManDocVisitor::visitPost(DocHRef *) 
{
  if (m_hide) return;
  m_t << "\\fP";
}

void ManDocVisitor::visitPre(DocHtmlHeader *header)
{
  if (m_hide) return;
  if (!m_firstCol) m_t << endl;
  if (header->level()==1) m_t << ".SH"; else m_t << ".SS";
  m_t << " \"";
}

void ManDocVisitor::visitPost(DocHtmlHeader *header) 
{
  if (m_hide) return;
  m_t << "\"" << endl;
  if (header->level()==1) m_t << ".PP" << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPre(DocImage *)
{
}

void ManDocVisitor::visitPost(DocImage *) 
{
}

void ManDocVisitor::visitPre(DocDotFile *)
{
}

void ManDocVisitor::visitPost(DocDotFile *) 
{
}

void ManDocVisitor::visitPre(DocLink *)
{
  if (m_hide) return;
  m_t << "\\fB";
}

void ManDocVisitor::visitPost(DocLink *) 
{
  if (m_hide) return;
  m_t << "\\fP";
}

void ManDocVisitor::visitPre(DocRef *ref)
{
  if (m_hide) return;
  m_t << "\\fB";
  if (!ref->hasLinkText()) filter(ref->targetTitle());
}

void ManDocVisitor::visitPost(DocRef *) 
{
  if (m_hide) return;
  m_t << "\\fP";
}

void ManDocVisitor::visitPre(DocSecRefItem *)
{
  if (m_hide) return;
  QCString ws;
  ws.fill(' ',m_indent-2);
  if (!m_firstCol) m_t << endl;
  m_t << ".IP \"" << ws << "\\(bu\" " << m_indent << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPost(DocSecRefItem *) 
{
  if (m_hide) return;
  m_t << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPre(DocSecRefList *)
{
  if (m_hide) return;
  m_indent+=2;
}

void ManDocVisitor::visitPost(DocSecRefList *) 
{
  if (m_hide) return;
  m_indent-=2;
  if (!m_firstCol) m_t << endl;
  m_t << ".PP" << endl;
}

//void ManDocVisitor::visitPre(DocLanguage *l)
//{
//  QString langId = Config_getEnum("OUTPUT_LANGUAGE");
//  if (l->id().lower()!=langId.lower())
//  {
//    pushEnabled();
//    m_hide = TRUE;
//  }
//}
//
//void ManDocVisitor::visitPost(DocLanguage *l) 
//{
//  QString langId = Config_getEnum("OUTPUT_LANGUAGE");
//  if (l->id().lower()!=langId.lower())
//  {
//    popEnabled();
//  }
//}

void ManDocVisitor::visitPre(DocParamSect *s)
{
  if (m_hide) return;
  if (!m_firstCol)
  { 
    m_t << endl;
    m_t << ".PP" << endl;
  }
  m_t << "\\fB";
  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 << ":\\fP" << endl;
  m_t << ".RS 4" << endl;
}

void ManDocVisitor::visitPost(DocParamSect *)
{
  if (m_hide) return;
  if (!m_firstCol) m_t << endl;
  m_t << ".RE" << endl;
  m_t << ".PP" << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPre(DocParamList *pl)
{
  if (m_hide) return;
  m_t << "\\fI";
  //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 << "\\fP ";
}

void ManDocVisitor::visitPost(DocParamList *pl)
{
  if (m_hide) return;
  if (!pl->isLast())
  {
    if (!m_firstCol) m_t << endl;
    m_t << ".br" << endl;
  }
}

void ManDocVisitor::visitPre(DocXRefItem *x)
{
  if (m_hide) return;
  if (!m_firstCol)
  { 
    m_t << endl;
    m_t << ".PP" << endl;
  }
  m_t << "\\fB";
  filter(x->title());
  m_t << "\\fP" << endl;
  m_t << ".RS 4" << endl;
}

void ManDocVisitor::visitPost(DocXRefItem *)
{
  if (m_hide) return;
  if (!m_firstCol) m_t << endl;
  m_t << ".RE" << endl;
  m_t << ".PP" << endl;
  m_firstCol=TRUE;
}

void ManDocVisitor::visitPre(DocInternalRef *)
{
  if (m_hide) return;
  m_t << "\\fB";
}

void ManDocVisitor::visitPost(DocInternalRef *) 
{
  if (m_hide) return;
  m_t << "\\fP";
}

void ManDocVisitor::visitPre(DocCopy *)
{
}

void ManDocVisitor::visitPost(DocCopy *)
{
}

void ManDocVisitor::visitPre(DocText *)
{
}

void ManDocVisitor::visitPost(DocText *)
{
}

void ManDocVisitor::filter(const char *str)
{ 
  if (str)
  {
    const char *p=str;
    char c=0;
    while ((c=*p++)) 
    {
      switch(c)
      {
        case '\\': m_t << "\\\\"; break;
        case '"':  c = '\''; // fall through
        default: m_t << c; break;
      }
    }
  }
}

void ManDocVisitor::pushEnabled()
{
  m_enabled.push(new bool(m_hide));
}

void ManDocVisitor::popEnabled()
{
  bool *v=m_enabled.pop();
  ASSERT(v!=0);
  m_hide = *v;
  delete v;
}

---

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