#include "stdafx.h"
#include <algorithm>
#include <stdlib.h>
//#include "common.h"
#include "common_def.h"


inline std::string format_string(const char* format, va_list args) {
	size_t oldlen = BUFSIZ;
	char buffer[BUFSIZ];  // 默认栈上的缓冲区
	va_list argscopy;
	va_copy(argscopy, args);
	size_t newlen = vsnprintf(&buffer[0], oldlen, format, args) + 1;
	newlen++;  // 算上终止符'\0'
	if (newlen > oldlen) {  // 默认缓冲区不够大，从堆上分配
		std::vector<char> newbuffer(newlen);
		vsnprintf(newbuffer.data(), newlen, format, argscopy);
		return newbuffer.data();
	}
	return buffer;
}

std::string format_string(const char* format, ...) {
	va_list args;
	va_start(args, format);
	string s = format_string(format, args);
	va_end(args);

	return s;
}

string INT64TOSTR(INT64 val)
{
	string total;
	string lowstr, highstr;
	PUINT32 p = (PUINT32)&val;

	lowstr = format_string("%08X", *(p++));
	highstr = format_string("0X%08X", *(p));

	total = highstr + lowstr;

	transform(total.begin(), total.end(), total.begin(), toupper);

	return total;
}

INT64 STRTOINT64(string &str)
{
	INT64 val = 0;
	if(StrToInt64(str.c_str(),&val) == TRUE)
	{
		return val;
	}

	assert(0);

	return 0;
}


bool StrToInt64(const char * str,INT64 *result)
{
	INT64 value = 0;   
	INT64 sign = 1;   
	INT64 radix;   
	if(*str == '-')   
	{      
		sign = -1;      
		str++;   
	}   

	if(*str == '0' && (*(str+1) == 'x' || *(str+1) == 'X'))   
	{      
		radix = 16;      
		str += 2;   
	}   
	else if(*str == '0')
	{      
		radix = 8;      
		str++;   
	}  
	else   
	{
		radix = 10;
	}
	while(*str)   
	{      
		if(radix == 16)      
		{        
			if(*str >= '0' && *str <= '9')
			{
				value = value * radix + *str - '0';       
			}
			else        
			{
				if((*str | 0x20) >= 'a' && (*str | 0x20) <= 'f')
				{
					value = value * radix + (*str | 0x20) - 'a' + 10; 
				}
				else
				{
					return false;
				}
			}

		}     
		else 
		{
			value = value * radix + *str - '0'; 
		}
		str++;   
	}   

	*result = sign*value;

	return true;
}

BOOL StrToInt32(const char * str,int *result)
{
	int value = 0;   
	int sign = 1;   
	int radix;   
	if(*str == '-')   
	{      
		sign = -1;      
		str++;   
	}   

	if(*str == '0' && (*(str+1) == 'x' || *(str+1) == 'X'))   
	{      
		radix = 16;      
		str += 2;   
	}   
	else if(*str == '0')
	{      
		radix = 8;      
		str++;   
	}  
	else   
	{
		radix = 10;
	}
	while(*str)   
	{      
		if(radix == 16)      
		{        
			if(*str >= '0' && *str <= '9')
			{
				value = value * radix + *str - '0';       
			}
			else        
			{
				if((*str | 0x20) >= 'a' && (*str | 0x20) <= 'f')
				{
					value = value * radix + (*str | 0x20) - 'a' + 10; 
				}
				else
				{
					return FALSE;
				}
			}

		}     
		else 
		{
			value = value * radix + *str - '0'; 
		}
		str++;   
	}   

	*result = sign*value;

	return TRUE;
}

wstring GetWcharFromChar(const char *pChar)
{
	wstring wstr;
	wchar_t *pWcharBuff;

	int uLen = MultiByteToWideChar(CP_UTF8,0,pChar,-1,NULL,0);

	if(uLen > 0)
	{
		pWcharBuff = new wchar_t[uLen + 1];
		memset(pWcharBuff, 0, sizeof(wchar_t)*uLen);

		MultiByteToWideChar(CP_UTF8,0,pChar,-1, (LPWSTR )pWcharBuff,uLen);

		wstr = pWcharBuff;
		delete []pWcharBuff;
		return wstr;
	}

	return wstr;

}

string  ConvUcharToU8(wstring &uniStr)
{
	std::string str;	
	int uLen = WideCharToMultiByte(CP_UTF8,0,uniStr.c_str(),-1,NULL,0,NULL,NULL);

	if(uLen > 0)
	{
		str.resize(uLen);
		WideCharToMultiByte(CP_UTF8, 0, uniStr.c_str(), -1, (LPSTR)&str[0], uLen, NULL, NULL);
		return str;
	}
	else
	{
		return "";
	}
	return str;
}

BOOL GetInt64WithCheck(string &str,INT64 &val)
{

	INT64 nReturn = 0;
	if (StrToInt64(str.c_str(), &nReturn) == FALSE)
	{
		return FALSE;
	}

	val = nReturn;

	return TRUE;
}


BOOL GetIntWithCheck(string &str,int &val)
{

	int nReturn = 0;
	if (StrToInt32(str.c_str(), &nReturn) == FALSE)
	{
		return FALSE;
	}

	val = nReturn;

	return TRUE;
}




int GetInt(string &str)
{

	int nReturn = 0;
	if (StrToInt32(str.c_str(), &nReturn) == FALSE)
	{
		MessageBox(NULL, "The String Number is Wrong", "ERROR", MB_OK);
		return 0;
	}

	return nReturn;
}