/******************************************************************************
 *
 * 
 *
 * Copyright (C) 1997-2002 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 <qregexp.h>

#include "memberlist.h"
#include "classdef.h"
#include "message.h"
#include "util.h"
#include "language.h"
#include "doxygen.h"
#include "outputlist.h"
#include "doc.h"
#include "groupdef.h"

MemberList::MemberList() : QList<MemberDef>()
{
  memberGroupList=0;
  m_numDecMembers=-1; // special value indicating that computation is needed
  m_numDocMembers=-1; // special value indicating that computation is needed
  m_inGroup=FALSE;
}

MemberList::~MemberList()
{
  delete memberGroupList;
}

int MemberList::compareItems(GCI item1, GCI item2)
{
  MemberDef *c1=(MemberDef *)item1;
  MemberDef *c2=(MemberDef *)item2;
  return stricmp(c1->name(),c2->name());
}

/*! Count the number of members in this list that are visible in
 *  the declaration part of a compound's documentation page.
 */
void MemberList::countDecMembers()
{
  if (m_numDecMembers!=-1) return; 
  
  //printf("----- countDecMembers count=%d ----\n",count());
  m_varCnt=m_funcCnt=m_enumCnt=m_enumValCnt=0;
  m_typeCnt=m_protoCnt=m_defCnt=m_friendCnt=0;
  m_numDecMembers=0;
  QListIterator<MemberDef> mli(*this);
  MemberDef *md;
  for (mli.toFirst();(md=mli.current());++mli)
  {
    if (md->isBriefSectionVisible())
    {
      switch(md->memberType())
      {
        case MemberDef::Variable:    // fall through
        case MemberDef::Property:    m_varCnt++,m_numDecMembers++;  
                                     break;
        case MemberDef::Function:    // fall through
        case MemberDef::Signal:      // fall through
        case MemberDef::DCOP:        // fall through
        case MemberDef::Slot:        if (!md->isRelated() || md->getClassDef())
                                       m_funcCnt++,m_numDecMembers++; 
                                     break;
        case MemberDef::Enumeration: m_enumCnt++,m_numDecMembers++; break;
        case MemberDef::EnumValue:   m_enumValCnt++,m_numDecMembers++; break;
        case MemberDef::Typedef:     m_typeCnt++,m_numDecMembers++; break;
        case MemberDef::Prototype:   m_protoCnt++,m_numDecMembers++; break;
        case MemberDef::Define:      if (Config_getBool("EXTRACT_ALL") || 
                                         md->argsString() || 
                                         !md->initializer().isEmpty() ||
                                         md->hasDocumentation() 
                                        ) m_defCnt++,m_numDecMembers++;     
                                     break;
        case MemberDef::Friend:      m_friendCnt++,m_numDecMembers++;  
                                     break;
        default:
          err("Error: Unknown member type found for member `%s'\n!",md->name().data());
      }
    }
  }
  if (memberGroupList /*&& countSubGroups*/)
  {
    MemberGroupListIterator mgli(*memberGroupList);
    MemberGroup *mg;
    for (;(mg=mgli.current());++mgli)
    {
      mg->countDecMembers();
      m_varCnt+=mg->varCount();
      m_funcCnt+=mg->funcCount();
      m_enumCnt+=mg->enumCount();
      m_enumValCnt+=mg->enumValueCount();
      m_typeCnt+=mg->typedefCount();
      m_protoCnt+=mg->protoCount();
      m_defCnt+=mg->defineCount();
      m_friendCnt+=mg->friendCount();
      m_numDecMembers+=mg->numDecMembers();
    }
  }
  //printf("----- end countDecMembers ----\n");

  //printf("MemberList::countDecMembers()=%d\n",m_numDecMembers);
}

void MemberList::countDocMembers()
{
  if (m_numDocMembers!=-1) return; // used cached value
  m_numDocMembers=0;
  QListIterator<MemberDef> mli(*this);
  MemberDef *md;
  for (mli.toFirst();(md=mli.current());++mli)
  {
    if (md->isDetailedSectionVisible(m_inGroup)) 
    {
      // do not count enum values, since they do not produce entries of their own
      if (md->memberType()!=MemberDef::EnumValue) m_numDocMembers++;
    }
  }
  if (memberGroupList)
  {
    MemberGroupListIterator mgli(*memberGroupList);
    MemberGroup *mg;
    for (;(mg=mgli.current());++mgli)
    {
      mg->countDecMembers();
      m_numDocMembers+=mg->numDocMembers();
    }
  }
  //printf("MemberList::countDocMembers()=%d memberGroupList=%p\n",m_numDocMembers,memberGroupList);
}

bool MemberList::insert(uint index,const MemberDef *md)
{
  return QList<MemberDef>::insert(index,md);
}

void MemberList::inSort(const MemberDef *md)
{
  QList<MemberDef>::inSort(md);
}

void MemberList::append(const MemberDef *md)
{
  QList<MemberDef>::append(md);
}

MemberListIterator::MemberListIterator(const QList<MemberDef> &l) :
  QListIterator<MemberDef>(l) 
{
}

void MemberList::writePlainDeclarations(OutputList &ol,
                       ClassDef *cd,NamespaceDef *nd,FileDef *fd,GroupDef *gd
                      )
{
  //printf("----- writePlainDeclaration() ----\n");
  countDecMembers();
  if (numDecMembers()==0) return; // no members in this list
  //printf("----> writePlainDeclaration() numDecMembers()=%d\n",
  //     numDecMembers());
  
  ol.pushGeneratorState();

  bool first=TRUE;
  MemberDef *md;
  MemberListIterator mli(*this);
  for ( ; (md=mli.current()); ++mli )
  {
    //printf(">>> Member `%s' type=%d\n",md->name().data(),md->memberType());
    switch(md->memberType())
    {
      case MemberDef::Define:    // fall through
      case MemberDef::Prototype: // fall through
      case MemberDef::Typedef:   // fall through
      case MemberDef::Variable:  // fall through
      case MemberDef::Function:  // fall through
      case MemberDef::Signal:    // fall through
      case MemberDef::Slot:      // fall through
      case MemberDef::DCOP:      // fall through
      case MemberDef::Property:  
      {
        if (first) ol.startMemberList(),first=FALSE;
        md->writeDeclaration(ol,cd,nd,fd,gd,m_inGroup);
        break;
      }
      case MemberDef::Enumeration: 
      {
        if (first) ol.startMemberList(),first=FALSE;
        OutputList typeDecl(&ol);
        QCString name(md->name());
        int i=name.findRev("::");
        if (i!=-1) name=name.right(name.length()-i-2); // strip scope (TODO: is this needed?)
        if (name[0]!='@') // not an anonymous enum
        {
          if (md->isLinkableInProject() || md->hasDocumentedEnumValues())
          {
            if (!Config_getString("GENERATE_TAGFILE").isEmpty())
            {
              Doxygen::tagFile << "    <member kind=\"enumeration\">" << endl;
              Doxygen::tagFile << "      <name>" << convertToXML(md->name()) << "</name>" << endl; 
              Doxygen::tagFile << "      <anchor>" << convertToXML(md->anchor()) << "</anchor>" << endl; 
              Doxygen::tagFile << "      <arglist>" << convertToXML(md->argsString()) << "</arglist>" << endl; 
              Doxygen::tagFile << "    </member>" << endl;
            }
            md->writeLink(typeDecl,cd,nd,fd,gd);
          }
          else
          {
            typeDecl.startBold();
            typeDecl.docify(name);
            typeDecl.endBold();
          }
          typeDecl.writeChar(' ');
        }

        int enumMemCount=0;

        QList<MemberDef> *fmdl=md->enumFieldList();
        uint numVisibleEnumValues=0;
        if (fmdl)
        {
          MemberDef *fmd=fmdl->first();
          while (fmd)
          {
            if (fmd->isBriefSectionVisible()) numVisibleEnumValues++;
            fmd=fmdl->next();
          }
        }
        if (numVisibleEnumValues==0 && !md->isBriefSectionVisible()) break;
        if (numVisibleEnumValues>0)
        {
          uint enumValuesPerLine = (uint)Config_getInt("ENUM_VALUES_PER_LINE");
          typeDecl.docify("{ ");
          if (fmdl)
          {
            MemberDef *fmd=fmdl->first();
            bool fmdVisible = fmd->isBriefSectionVisible();
            while (fmd)
            {
              if (fmdVisible)
              {
                /* in html we start a new line after a number of items */
                if (numVisibleEnumValues>enumValuesPerLine
                    && (enumMemCount%enumValuesPerLine)==0
                   )
                {
                  typeDecl.pushGeneratorState();
                  typeDecl.disableAllBut(OutputGenerator::Html);
                  typeDecl.lineBreak(); 
                  typeDecl.writeString("&nbsp;&nbsp;");
                  typeDecl.popGeneratorState();
                }

                if (fmd->hasDocumentation()) // enum value has docs
                {
                  if (!Config_getString("GENERATE_TAGFILE").isEmpty())
                  {
                    Doxygen::tagFile << "    <member kind=\"enumvalue\">" << endl;
                    Doxygen::tagFile << "      <name>" << convertToXML(fmd->name()) << "</name>" << endl; 
                    Doxygen::tagFile << "      <anchor>" << convertToXML(fmd->anchor()) << "</anchor>" << endl; 
                    Doxygen::tagFile << "      <arglist>" << convertToXML(fmd->argsString()) << "</arglist>" << endl; 
                    Doxygen::tagFile << "    </member>" << endl;
                  }
                  fmd->writeLink(typeDecl,cd,nd,fd,gd);
                }
                else // no docs for this enum value
                {
                  typeDecl.startBold();
                  typeDecl.docify(fmd->name());
                  typeDecl.endBold();
                }
                if (fmd->hasOneLineInitializer()) // enum value has initializer
                {
                  typeDecl.writeString(" = ");
                  parseText(typeDecl,fmd->initializer());
                }
              }

              bool prevVisible = fmdVisible;
              fmd=fmdl->next();
              if (fmd && (fmdVisible=fmd->isBriefSectionVisible())) 
              {
                typeDecl.writeString(", ");
              }
              if (prevVisible)
              {
                typeDecl.disable(OutputGenerator::Man);
                typeDecl.writeString("\n"); // to prevent too long lines in LaTeX
                typeDecl.enable(OutputGenerator::Man);
                enumMemCount++;
              }
            }
            if (numVisibleEnumValues>enumValuesPerLine)
            {
              typeDecl.pushGeneratorState();
              typeDecl.disableAllBut(OutputGenerator::Html);
              typeDecl.lineBreak(); 
              typeDecl.popGeneratorState();
            }
          }
          typeDecl.docify(" }");
          md->setEnumDecl(typeDecl);
        }
        int enumVars=0;
        MemberListIterator vmli(*this);
        MemberDef *vmd;
        if (name[0]=='@') // anonymous enum => append variables
        {
          for ( ; (vmd=vmli.current()) ; ++vmli)
          {
            QCString vtype=vmd->typeString();
            if ((vtype.find(name))!=-1) 
            {
              enumVars++;
              vmd->setAnonymousEnumType(md);
            }
          }
        }
        // if this is an anoymous enum and there are variable of this
        // enum type (i.e. enumVars>0), then we do not show the enum here.
        if (enumVars==0) // show enum here
        {
          ol.startMemberItem(0);
          ol.writeString("enum ");
          ol.insertMemberAlign();
          ol+=typeDecl; // append the enum values.
          ol.endMemberItem(FALSE);
          if (!md->briefDescription().isEmpty() && Config_getBool("BRIEF_MEMBER_DESC"))
          {
            ol.startMemberDescription();
            parseDoc(ol,
                md->getDefFileName(),md->getDefLine(),
                cd?cd->name().data():0,md,
                md->briefDescription()
                    );
            if (md->isDetailedSectionLinkable())
            {
              ol.disableAllBut(OutputGenerator::Html);
              ol.endEmphasis();
              ol.docify(" ");
              if (md->getGroupDef()!=0 && gd==0) // forward link to group
              {
                ol.startTextLink(md->getGroupDef()->getOutputFileBase(),
                                 md->anchor());
              }
              else
              {
                ol.startTextLink(0,md->anchor());
              }
              parseText(ol,theTranslator->trMore());
              ol.endTextLink();
              ol.startEmphasis();
              ol.enableAll();
            }
            ol.endMemberDescription();
          }
        }
        md->warnIfUndocumented();
        break;
      }
      case MemberDef::Friend:
      {
        if (first) ol.startMemberList(),first=FALSE;
        md->writeDeclaration(ol,cd,nd,fd,gd,m_inGroup);
        break;
      }
      case MemberDef::EnumValue: 
        break;
    }
  }

  // handle members that are inside anonymous compounds and for which
  // no variables of the anonymous compound type exist.
  if (cd)
  {
    MemberListIterator mli(*this);
    for  ( ; (md=mli.current()) ; ++mli )
    {
      if (md->fromAnonymousScope() && !md->anonymousDeclShown())
      {
        //printf("anonymous compound members\n");
        if (first) ol.startMemberList(),first=FALSE;
        md->setFromAnonymousScope(FALSE);
        md->writeDeclaration(ol,cd,nd,fd,gd,m_inGroup);
        md->setFromAnonymousScope(TRUE);
      }
    }
  }
 
  if (!first) ol.endMemberList(); 

  ol.popGeneratorState();
  //printf("----- end writePlainDeclaration() ----\n");
}

void MemberList::writeDeclarations(OutputList &ol,
             ClassDef *cd,NamespaceDef *nd,FileDef *fd,GroupDef *gd,
             const char *title,const char *subtitle
             /*, bool inGroup,bool countSubGroups*/)
{
  //printf("MemberList::writeDeclaration(title=`%s',subtitle=`%s')\n",title,subtitle);
  //printf("----- writeDeclaration() ----\n");
  countDecMembers(); // count member not in group
  if (numDecMembers()==0) return;
  if (title) 
  {
    ol.startMemberHeader();
    parseText(ol,title);
    ol.endMemberHeader();
  }
  if (subtitle && subtitle[0]!=0) 
  {
    //printf("subtitle=`%s'\n",subtitle);
    ol.startMemberSubtitle();
    parseDoc(ol,"<generated>",1,0,0,subtitle);
    ol.endMemberSubtitle();
  }

  writePlainDeclarations(ol,cd,nd,fd,gd);
  
  //printf("memberGroupList=%p\n",memberGroupList);
  if (memberGroupList)
  {
    MemberGroupListIterator mgli(*memberGroupList);
    MemberGroup *mg;
    while ((mg=mgli.current()))
    {
      bool hasHeader=mg->header()!="[NOHEADER]";
      ol.startMemberGroupHeader(hasHeader);
      if (hasHeader)
      {
        parseText(ol,mg->header());
      }
      ol.endMemberGroupHeader();
      if (!mg->documentation().isEmpty())
      {
        //printf("Member group has docs!\n");
        ol.startMemberGroupDocs();
        parseDoc(ol,"<generated>",1,0,0,mg->documentation()+"\n");
        ol.endMemberGroupDocs();
      }
      ol.startMemberGroup();
      //printf("--- mg->writePlainDeclarations ---\n");
      mg->writePlainDeclarations(ol,cd,nd,fd,gd);
      ol.endMemberGroup(hasHeader);
      ++mgli;
    }
  }
  //printf("----- end writeDeclaration() ----\n");

}

void MemberList::writeDocumentation(OutputList &ol,
                     const char *scopeName, Definition *container,
                     const char *title)
{
  //printf("MemberList::writeDocumentation()\n");

  countDocMembers();
  if (numDocMembers()==0) return;

  if (title)
  {
    ol.writeRuler();
    ol.startGroupHeader();
    parseText(ol,title);
    ol.endGroupHeader();
  }
  
  MemberListIterator mli(*this);
  MemberDef *md;
  for ( ; (md=mli.current()) ; ++mli)
  {
    md->writeDocumentation(this,ol,scopeName,container,m_inGroup);
  }
  if (memberGroupList)
  {
    //printf("MemberList::writeDocumentation()  --  member groups\n");
    MemberGroupListIterator mgli(*memberGroupList);
    MemberGroup *mg;
    for (;(mg=mgli.current());++mgli)
    {
      mg->writeDocumentation(ol,scopeName,container);
    }
  }
}

void MemberList::addMemberGroup(MemberGroup *mg)
{
  if (memberGroupList==0)
  {
    memberGroupList=new MemberGroupList;
  }
  memberGroupList->append(mg);
}

void MemberList::addListReferences(Definition *def)
{
  MemberListIterator mli(*this);
  MemberDef *md;
  for ( ; (md=mli.current()) ; ++mli)
  {
    if (md->getGroupDef()==0 || def->definitionType()==Definition::TypeGroup)
    {
      md->addListReference(def);
    }
  }
  if (memberGroupList)
  {
    MemberGroupListIterator mgli(*memberGroupList);
    MemberGroup *mg;
    for (;(mg=mgli.current());++mgli)
    {
      mg->addListReferences(def);
    }
  }
}

//--------------------------------------------------------------------------

int MemberSDict::compareItems(GCI item1, GCI item2)
{
  MemberDef *c1=(MemberDef *)item1;
  MemberDef *c2=(MemberDef *)item2;
  return stricmp(c1->name(),c2->name());
}