parseStack.hpp

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#ifndef _Wolframe_SERIALIZE_STRUCT_PARSE_STACK_HPP_INCLUDED
#define _Wolframe_SERIALIZE_STRUCT_PARSE_STACK_HPP_INCLUDED
#include "filter/typedfilter.hpp"
#include "types/variant.hpp"
#include "serialize/mapContext.hpp"
#include <vector>
#include <stdexcept>

namespace _Wolframe {
namespace serialize {

class ParseStateStack;

class ParseState
{
public:
        typedef bool (*Parse)( langbind::TypedInputFilter& inp, Context& ctx, ParseStateStack& stk);

public:
        ParseState( const ParseState& o);
        ParseState( const char* name_, Parse p, void* v);
        ~ParseState();

        std::size_t selectElement( std::size_t idx, std::size_t size);
        std::size_t initCount( std::size_t idx) const;

        void* value() const             {return m_value;}
        const char* name() const        {return m_name;}
        Parse parse() const             {return m_parse;}
        std::size_t state() const       {return m_stateidx;}
        void state( std::size_t idx)    {m_stateidx = idx;}
private:
        Parse m_parse;
        int* m_initar;
        std::size_t m_size;
        void* m_value;
        const char* m_name;
        std::size_t m_stateidx;
};

class ParseStateStack :public std::vector<ParseState>
{
public:
        ParseStateStack(){}
        ParseStateStack( const ParseStateStack& o)
                :std::vector<ParseState>(o)
                ,m_valuebuf(o.m_valuebuf){}

        bool hasbufvalue() const                                        {return m_valuebuf.initialized();}
        void bufvalue( const types::VariantConst& e)                    {m_valuebuf = e; m_valuebuf.setInitialized();}
        void clearbuf()                                                 {m_valuebuf.clear();}
        const types::VariantConst& valuebuf() const                     {return m_valuebuf;}

private:
        types::VariantConst m_valuebuf;
};

}}//namespace
#endif