propertyTree.hpp

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#ifndef _WOLFRAME_PROPERTY_TREE_HPP_INCLUDED
#define _WOLFRAME_PROPERTY_TREE_HPP_INCLUDED
#include "utils/fileLineInfo.hpp"
#include <string>
#include <vector>
#include <cstdlib>
#include <cstring>
#include <sstream>
#include <iostream>
#include <boost/property_tree/ptree.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/algorithm/string.hpp>

namespace _Wolframe {
namespace utils {
        struct PrintFormat;
}
namespace types {

class PropertyTree
{
public:
        typedef utils::FileLineInfo Position;
        typedef utils::FileLineInfo::FileName FileName;

        class Value
                :public std::string
        {
        public:
                Value(){}
                Value( const std::string& token, Position position_=Position())
                        :std::string(token),position(position_){}
                Value( const Value& o)
                        :std::string(o),position(o.position){}

                Position position;                                      
                std::string string() const      {return *this;}         
        };

        class Node
        {
        public:
                typedef std::pair<std::string,Node> Assignment;

        public:
                explicit Node( const Position& pos=Position())
                {
                        m_position = pos;
                }

                explicit Node( const std::string& val, const Position& pos=Position())
                        :m_position(pos),m_data(val){}

                explicit Node( const boost::property_tree::ptree& pt);

                Node( const Node& o);

                void setValue( const std::string& val)          {m_data = val;}

                void setPosition( const Position& p)            {m_position = p;}

                void recursiveSetFileName( const FileName& filename)
                {
                        recursiveSetFileName( *this, filename);
                }

                std::string tostring( const utils::PrintFormat* pformat=0) const;

                const Node& getChild( const std::string& nodename) const;

                std::vector<const Node*> getChildren( const std::string& nodename) const;

                Node getChildrenJoined( const std::string& nodename) const;

                void add_child( const std::string& name_, const Node& node_)
                {
                        m_subnodes.push_back( Assignment( name_, node_));
                }

                bool empty() const                                      {return m_subnodes.empty();}
                const std::string& data() const                         {return m_data;}
                const Position& position() const                        {return m_position;}

                typedef std::vector<Assignment>::const_iterator const_iterator;
                typedef std::vector<Assignment>::iterator iterator;

                std::vector<Assignment>::const_iterator begin() const   {return m_subnodes.begin();}
                std::vector<Assignment>::const_iterator end() const     {return m_subnodes.end();}
                std::vector<Assignment>::iterator begin()               {return m_subnodes.begin();}
                std::vector<Assignment>::iterator end()                 {return m_subnodes.end();}

        private:
                static void print( std::ostringstream& out, const Node& nd, int indent, const utils::PrintFormat* pformat=0);

                static void recursiveSetFileName( Node& pt, const FileName& filename);

        private:
                std::vector<Assignment> m_subnodes;                     
                Position m_position;                                    
                std::string m_data;                                     
        };

public:
        PropertyTree(){}
        PropertyTree( const PropertyTree& o)
                :m_root(o.m_root){}

        PropertyTree( const boost::property_tree::ptree& o, const std::string& filename_)
                :m_root(o)
        {
                m_root.recursiveSetFileName( utils::FileLineInfo::getFileName( filename_));
        }

        PropertyTree( const Node& root_)
                :m_root(root_){}

        const Node& root() const                {return m_root;}
        Node::const_iterator begin() const      {return m_root.begin();}
        Node::const_iterator end() const        {return m_root.end();}
        Node::iterator begin()                  {return m_root.begin();}
        Node::iterator end()                    {return m_root.end();}

        std::string tostring( const utils::PrintFormat* pformat=0) const
        {
                return m_root.tostring( pformat);
        }

private:
        Node m_root;                            
};

}}//namespace
#endif