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TreeResolver.hpp

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#ifndef IONFLUX_TOOLS_TREERESOLVER
#define IONFLUX_TOOLS_TREERESOLVER
/* ==========================================================================
 * Ionflux Tools
 * Copyright (c) 2004 Joern P. Meier
 * mail@ionflux.org
 * --------------------------------------------------------------------------
 * TreeResolver.hpp                    Tree path resolution.
 * ==========================================================================
 * 
 * This file is part of Ionflux Tools.
 * 
 * Ionflux Tools 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 2 of the License, or (at  your option)
 * any later version.
 * 
 * Ionflux Tools 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 Ionflux Tools; if not, write to the Free Software Foundation, 
 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 * 
 * ========================================================================== */

#include <string>
#include <iostream>
#include <vector>
#include "ionflux/Tree.hpp"
#include "ionflux/Tokenizer.hpp"
#include "ionflux/NodeReference.hpp"

namespace Ionflux
{

namespace Tools
{

struct DataEntry;
struct TreePath;
class Tree;
class NodeReference;

class TreeResolver
{
    protected:
        
    public:
        static const TokenType TT_RES_OPERATOR;
        static const TokenType TT_SUB_LEFT;
        static const TokenType TT_SUB_RIGHT;
        static const TokenType TT_RES_PAR_LEFT;
        static const TokenType TT_RES_PAR_RIGHT;
        
        TreeResolver();
        
        virtual ~TreeResolver();
        
        static bool parseTreePath(const std::string &treePathExpr, 
            std::vector<NodeReference> &nodeRefs);
        
        static bool createTreePath(Tree *tree, 
            std::vector<NodeReference> &nodeRefs, TreePath &treePath, 
            bool createPath, bool nodesOnly = false);
        
};

}

}

#endif

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