typingfilter.hpp

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#ifndef _Wolframe_TYPING_FILTER_HPP_INCLUDED
#define _Wolframe_TYPING_FILTER_HPP_INCLUDED
#include "filter/typedfilter.hpp"
#include <vector>

namespace _Wolframe {
namespace langbind {

class TypingInputFilter :public TypedInputFilter
{
public:
        explicit TypingInputFilter( const InputFilterR& inp)
                :TypedInputFilter(inp->name())
                ,m_inputfilter(inp)
        {
                setFlags( inp->flags());
        }

        TypingInputFilter( const TypingInputFilter& o)
                :TypedInputFilter(o)
                ,m_inputfilter(o.m_inputfilter)
                ,m_stack(o.m_stack){}

        virtual ~TypingInputFilter(){}

        virtual TypedInputFilter* copy() const          {return new TypingInputFilter(*this);}

        virtual bool getNext( ElementType& type, types::VariantConst& element);

        virtual bool setFlags( Flags f);

        virtual bool checkSetFlags( Flags f) const;

        virtual const char* getError() const;
        
private:
        struct StackElement
        {
                bool isArrayElem;
                unsigned int cnt;

                StackElement( const StackElement& o)
                        :isArrayElem(o.isArrayElem),cnt(o.cnt){}
                StackElement()
                        :isArrayElem(false),cnt(0){}
        };
        InputFilterR m_inputfilter;
        std::vector<StackElement> m_stack;
};


class TypingOutputFilter :public TypedOutputFilter
{
public:
        explicit TypingOutputFilter( const OutputFilterR& outp)
                :TypedOutputFilter(outp->name())
                ,m_outputfilter(outp)
        {
                setFlags( outp->flags());
        }

        TypingOutputFilter( const TypingOutputFilter& o)
                :TypedOutputFilter(o)
                ,m_outputfilter(o.m_outputfilter){}

        virtual ~TypingOutputFilter(){}

        virtual TypedOutputFilter* copy() const         {return new TypingOutputFilter(*this);}

        virtual bool print( ElementType type, const types::VariantConst& element);

private:
        OutputFilterR m_outputfilter;
};

}}//namespace
#endif