|

Tree.hpp

Go to the documentation of this file.

#ifndef IONFLUX_TOOLS_TREE
#define IONFLUX_TOOLS_TREE
/* ==========================================================================
 * Ionflux Tools
 * Copyright (c) 2004 Joern P. Meier
 * mail@ionflux.org
 * --------------------------------------------------------------------------
 * Tree.hpp                    Data tree.
 * ==========================================================================
 * 
 * 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 "ionflux/tools.hpp"
#include "ionflux/Reporter.hpp"
#include "ionflux/Node.hpp"
#include "ionflux/TreeResolver.hpp"
#include "ionflux/TreeEval.hpp"

namespace Ionflux
{

namespace Tools
{

class Node;
struct NodeInfo;
class TreeResolver;
struct TreePath;
class TreeEval;
struct TreeExprElement;
class Tree;

struct DataEntry
{
    Node *node;
    unsigned int index;
    bool subscript;
};

struct TreePath
{
    Tree *tree;
    std::vector<Node *> nodes;
    int subscript;
    bool explicitSubscript;
};

struct TreeExprElement
{
    int type;
    std::string value;
    DataEntry data;
    bool unary;
    static const int TE_INVALID;
    static const int TE_CONST;
    static const int TE_VAR;
    static const int TE_OP;
};

class Tree
{
    protected:
        Ionflux::Tools::Reporter log;
        NodeInfo root;
        
    public:
        Tree();
        
        Tree(Node *initRoot, bool initManage);
        
        virtual ~Tree();
        
        virtual Node *findNode(int nodeID);
        
        virtual Node *findNode(const std::string &nodeName);
        
        virtual DataEntry resolve(const std::string &treePathExpr, 
            bool createPath, bool nodesOnly = false);
        
        virtual void setRoot(Node *newRoot, bool newManage);
        
        virtual void writeToFile(const std::string &fileName);
        
        virtual void readFromFile(const std::string &fileName);
        
        virtual bool eval(const std::string &treeExpr, Node &result, 
            bool createPath);
        
        virtual Node &operator[](int searchID);
        
        virtual Node &operator[](const std::string &searchName);
        
        virtual void printDebugInfo();
        
        virtual Node *getRoot();
        
        virtual int getNumNodes();
        
        virtual void clear();
        
        virtual Reporter &getLog();
};

}

}

#endif

---