#pragma once
#include <afx.h>
#include <string>
#include <locale>  
#include <codecvt>
#include <iostream>

using namespace std;

class StringUtil {

public:
	static string wstringToString(wstring wt) {
		wstring_convert<codecvt_utf8<wchar_t>> conv;
		string result = conv.to_bytes(wt);
		return result;
	}

	static std::wstring Unescape(const std::string& input) {
		std::wstring wresult;
		for (size_t i = 0; i < input.length(); ) {
			if (input[i] == '\\' && input[i + 1] == 'u') {
				std::string code = input.substr(i + 2, 4);
				wchar_t unicode = stoi(code, nullptr, 16);
				wresult += unicode;
				i += 6;
			}
			else {
				wresult += input[i++];
			}
		}
		return wresult;
	}

	static std::string cstring2String(CString getbuf) {
		int iLen = WideCharToMultiByte(0, 0, getbuf, -1, NULL, 0, NULL, NULL);   //Ê×ÏȼÆËãTCHAR ³¤¶È¡£
		char* chRtn = new char[iLen * sizeof(char)];  //¶¨ÒåÒ»¸ö TCHAR ³¤¶È´óСµÄ CHAR ÀàÐÍ¡£
		WideCharToMultiByte(0, 0, getbuf, -1, chRtn, iLen, NULL, NULL);  //½«TCHAR ÀàÐ͵ÄÊý¾Ýת»»Îª CHAR ÀàÐÍ¡£
		std::string str(chRtn);
		return str;
	}
};