parseTree.h

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/*
 *              parseTree.h
 *
 *      Copyright 2012 - 2014 Brenton Ross
 *
 *      This file is part of VICI.
 *
 *   VICI is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   VICI is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with VICI.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef VICI_PARSETREE_H
#define VICI_PARSETREE_H

#include "vici.h"
#include <vici/xml.h>
#include <map>

namespace VICI
{


class EbnfNode
{
public:
        enum NodeType {
                Undefined,              
                Grammar,                
                Production,     
                Terminal,               
                Quotation,              
                Name,                   
                Repetition,     
                Option,                 
                Sequence,               
                Choice                  
        };

private:
                static std::map< NodeType, std::string > nodeNames;
public:
        EbnfNode();                                     
        ~EbnfNode();                            

        EbnfNode *parent;                       
        EbnfNode *prev,                         
                         *next;                         
        EbnfNode *firstChild,           
                         *lastChild;            

        NodeType nodeType;                      
        std::string text;                       


        std::string typeOfNode() const;


        void typeOfNode( const std::string &t );

};


class EbnfTree : public EBNF::ParseTree
{
public:
        EbnfTree();                             
        virtual ~EbnfTree();    

        EbnfNode *root;                 


        void exportXml(const Path &p);


        void importXml(const Path &p);
};


class EbnfXml : public VICI::cfi::Xml
{
private:
        void exportNode( EbnfNode *, xmlNodePtr );  // recursive
        void importNode( EbnfNode *, xmlNodePtr );  // recursive

public:
        EbnfXml();      


        void exportTree( EbnfTree *tree, const Path &path );


        void importTree( EbnfTree *tree, const Path &path );
};

}  // end namespace VICI
#endif /* PARSETREE_H_ */