REG file parser using the Boost Spirit Parser Framework

#ifndef _REG_FILE_PARSER_H_
#define _REG_FILE_PARSER_H_

#include <string>
#include <utility>

#include "IRegFileObserver.hpp"
#include "RegFileParserImpl.hpp"

namespace reg_parser
{

template<class charT>
class CRegFileParser:public IResultProcessor<charT>
{	
    typedef std::pair<const charT*,const charT*> BuferRange;
    BuferRange lastVName_;
	
	IRegFileObserver<charT>* pObserver_;
   
    bool bLastVNameProcessed_;
public:
	CRegFileParser(IRegFileObserver<charT>* pObserver)
		: pObserver_(pObserver)
		, bLastVNameProcessed_(true)
	{}

	bool Parse(const charT* buffer)
	{
		return ParseRegFileImpl(buffer,this);
	}

private:
	void OnKeyFound(const charT* begin, const charT* end)
	{
		CheckVNameProcessed(true);
		
		pObserver_->OnKeyFound(begin,end);
	}
	void OnValueNameFound(const charT* begin, const charT* end)
	{
		CheckVNameProcessed(true);

		bLastVNameProcessed_ = false;
		lastVName_.first = begin;
		lastVName_.second = end;    
	}
	void OnValueDataFound(const charT* begin, const charT* end)
	{
		CheckVNameProcessed(false);

		bLastVNameProcessed_ = true;
		pObserver_->OnValueFound(lastVName_.first,lastVName_.second,begin,end);
	}
	void CheckVNameProcessed(bool needToBeProcessed)
	{
		if(bLastVNameProcessed_ != needToBeProcessed)
			throw std::exception("Value data not found for founded value name");
	}
};

}//namespace reg_parser

#endif //_REG_FILE_PARSER_H_