// df1.cpp : Defines the entry point for the console application.
//

#include "stdafx.h"
#include <boost/xpressive/xpressive_static.hpp>
#include <boost/xpressive/regex_actions.hpp>
#include <boost/xpressive/regex_primitives.hpp>
#include <string>
#include <iostream> 

using namespace boost::xpressive;

class DateVerify_Impl
{
	public:
		typedef int result_type;
		int operator()(const std::string& cap,wchar_t* pdate)const
		{
			int yy = (cap[0]-'0')*1000 + (cap[1]-'0')*100 + (cap[2]-'0')*10 + (cap[3]-'0');
			int mm = (cap[5]-'0')*10 + (cap[6]-'0');
			int dd = (cap[8]-'0')*10 + (cap[9]-'0');
			if ((yy > 2003 && yy < 2099) && (mm > 0 && mm < 13) && (dd > 0 && dd < 32))
			{
				const int ddinmonth[] = {31,29,31,30,31,30,31,31,30,31,30,31};
				if (ddinmonth[(mm-1)] >= dd)
				{
					if (!(mm == 2 && dd == 29) || ((yy%400 ? yy%100 ? yy%4 ? false : true : false :true) == 1))
					{
						size_t convertedChars = 0;
	                                        mbstowcs_s(&convertedChars,pdate,11,cap.c_str(),_TRUNCATE);
						return 1;
					}
					else
						return 0;
				}
				else
					return 0;
			}
		}	
};					

int _tmain(int argc, _TCHAR* argv[])
{
	wchar_t currdate[11];
	std::string date = "2011/02/02";
	function<DateVerify_Impl>::type const dverify = {{}}; 

	mark_tag datetag(1);
	smatch mtch;
	sregex tcrgx = bos >> (datetag= (repeat<4>(_d) >> '/' >> repeat<2>(_d) >> '/' >> repeat<2>(_d))) [check(dverify(datetag,&currdate) == 1)] >> eos;

	if (regex_match(date,mtch,tcrgx))
		std::wcout << "YO BABY, YO !" << " ... and the winner is " << currdate << '\n';

	return 0;
}