/******************************************************************************

 *

 * 

 *

 *

 * Copyright (C) 1997-2015 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.

 *

 */

#ifndef _DOCVISITOR_H

#define _DOCVISITOR_H

// ids

const int DocVisitor_Html  = 0;

const int DocVisitor_Latex = 1;

const int DocVisitor_XML   = 2;

const int DocVisitor_RTF   = 3;

const int DocVisitor_Man   = 4;

const int DocVisitor_Text  = 5;

const int DocVisitor_Other = 6;

const int DocVisitor_Docbook = 7;

// forward declarations

class DocWord;

class DocWhiteSpace;

class DocAutoList;

class DocAutoListItem;

class DocPara;

class DocRoot;

class DocSymbol;

class DocURL;

class DocStyleChange;

class DocSimpleSect;

class DocTitle;

class DocSimpleList;

class DocSimpleListItem;

class DocSection;

class DocVerbatim;

class DocXRefItem;

class DocHtmlList;

class DocHtmlListItem;

class DocHtmlDescList;

class DocHtmlDescTitle;

class DocHtmlDescData;

class DocHtmlTable;

class DocHtmlRow;

class DocHtmlCell;

class DocHtmlCaption;

class DocLineBreak;

class DocHorRuler;

class DocAnchor;

class DocIndexEntry;

class DocInternal;

class DocHRef;

class DocInclude;

class DocIncOperator;

class DocHtmlHeader;

class DocImage;

class DocDotFile;

class DocMscFile;

class DocDiaFile;

class DocLink;

class DocCite;

class DocRef;

class DocFormula;

class DocSecRefItem;

class DocSecRefList;

class DocLinkedWord;

class DocParamSect;

class DocParamList;

class DocInternalRef;

class DocCopy; // TODO: no longer generated => remove

class DocText;

class DocSimpleSectSep;

class DocHtmlBlockQuote;

class DocVhdlFlow;

class DocParBlock;

/*! @brief Abstract visitor that participates in the visitor pattern.

 */

class DocVisitor

{

    int m_id;

  public:

    DocVisitor(int id) : m_id(id) {}

    virtual ~DocVisitor() {}

    int id() const { return m_id; }

    /*! @name Visitor functions for leaf nodes 

     *  @{

     */

    virtual void visit(DocWord *) = 0;

    virtual void visit(DocWhiteSpace *) = 0;

    virtual void visit(DocSymbol *) = 0;

    virtual void visit(DocURL *) = 0;

    virtual void visit(DocStyleChange *) = 0;

    virtual void visit(DocVerbatim *) = 0;

    virtual void visit(DocLineBreak *) = 0;

    virtual void visit(DocHorRuler *) = 0;

    virtual void visit(DocAnchor *) = 0;

    virtual void visit(DocInclude *) = 0;

    virtual void visit(DocIncOperator *) = 0;

    virtual void visit(DocFormula *) = 0;

    virtual void visit(DocLinkedWord *) = 0;

    virtual void visit(DocIndexEntry *) = 0;

    virtual void visit(DocSimpleSectSep *) = 0;

    virtual void visit(DocCite *) = 0;

    /*! @} */

    /*! @name Visitor functions for internal nodes 

     *  @{

     */

    virtual void visitPre(DocAutoList *) = 0;

    virtual void visitPost(DocAutoList *) = 0;

    virtual void visitPre(DocAutoListItem *) = 0;

    virtual void visitPost(DocAutoListItem *) = 0;

    virtual void visitPre(DocPara *) = 0;

    virtual void visitPost(DocPara *) = 0;

    virtual void visitPre(DocRoot *) = 0;

    virtual void visitPost(DocRoot *) = 0;

    virtual void visitPre(DocSimpleSect *) = 0;

    virtual void visitPost(DocSimpleSect *) = 0;

    virtual void visitPre(DocTitle *) = 0;

    virtual void visitPost(DocTitle *) = 0;

    virtual void visitPre(DocSimpleList *) = 0;

    virtual void visitPost(DocSimpleList *) = 0;

    virtual void visitPre(DocSimpleListItem *) = 0;

    virtual void visitPost(DocSimpleListItem *) = 0;

    virtual void visitPre(DocSection *) = 0;

    virtual void visitPost(DocSection *) = 0;

    virtual void visitPre(DocHtmlList *) = 0;

    virtual void visitPost(DocHtmlListItem *) = 0;

    virtual void visitPre(DocHtmlListItem *) = 0;

    virtual void visitPost(DocHtmlList *) = 0;

    virtual void visitPre(DocHtmlDescList *) = 0;

    virtual void visitPost(DocHtmlDescList *) = 0;

    virtual void visitPre(DocHtmlDescTitle *) = 0;

    virtual void visitPost(DocHtmlDescTitle *) = 0;

    virtual void visitPre(DocHtmlDescData *) = 0;

    virtual void visitPost(DocHtmlDescData *) = 0;

    virtual void visitPre(DocHtmlTable *) = 0;

    virtual void visitPost(DocHtmlRow *) = 0;

    virtual void visitPre(DocHtmlCell *) = 0;

    virtual void visitPost(DocHtmlCell *) = 0;

    virtual void visitPre(DocHtmlRow *) = 0;

    virtual void visitPost(DocHtmlTable *) = 0;

    virtual void visitPre(DocHtmlCaption *) = 0;

    virtual void visitPost(DocHtmlCaption *) = 0;

    virtual void visitPre(DocInternal *) = 0;

    virtual void visitPost(DocInternal *) = 0;

    virtual void visitPre(DocHRef *) = 0;

    virtual void visitPost(DocHRef *) = 0;

    virtual void visitPre(DocHtmlHeader *) = 0;

    virtual void visitPost(DocHtmlHeader *) = 0;

    virtual void visitPre(DocImage *) = 0;

    virtual void visitPost(DocImage *) = 0;

    virtual void visitPre(DocDotFile *) = 0;

    virtual void visitPost(DocDotFile *) = 0;

    virtual void visitPre(DocMscFile *) = 0;

    virtual void visitPost(DocMscFile *) = 0;   

    virtual void visitPre(DocDiaFile *) = 0;

    virtual void visitPost(DocDiaFile *) = 0;

    virtual void visitPre(DocLink *) = 0;

    virtual void visitPost(DocLink *) = 0;

    virtual void visitPre(DocRef *) = 0;

    virtual void visitPost(DocRef *) = 0;

    virtual void visitPre(DocSecRefItem *) = 0;

    virtual void visitPost(DocSecRefItem *) = 0;

    virtual void visitPre(DocSecRefList *) = 0;

    virtual void visitPost(DocSecRefList *) = 0;

    virtual void visitPre(DocParamSect *) = 0;

    virtual void visitPost(DocParamSect *) = 0;

    virtual void visitPre(DocParamList *) = 0;

    virtual void visitPost(DocParamList *) = 0;

    virtual void visitPre(DocXRefItem *) = 0;

    virtual void visitPost(DocXRefItem *) = 0;

    virtual void visitPre(DocInternalRef *) = 0;

    virtual void visitPost(DocInternalRef *) = 0;

    virtual void visitPre(DocCopy *) = 0;

    virtual void visitPost(DocCopy *) = 0;

    virtual void visitPre(DocText *) = 0;

    virtual void visitPost(DocText *) = 0;

    virtual void visitPre(DocHtmlBlockQuote *) = 0;

    virtual void visitPost(DocHtmlBlockQuote *) = 0;

    virtual void visitPre(DocVhdlFlow *) = 0;

    virtual void visitPost(DocVhdlFlow *) = 0;

    virtual void visitPre(DocParBlock *) = 0;

    virtual void visitPost(DocParBlock *) = 0;

    /*! @} */

};

#endif