[报道]重新报个到，申请个新人成长礼包~

firendless · 发表于 2009-4-23 19:44

[报道]重新报个到，申请个新人成长礼包~

灌个水吧...
/**
*@file
*@author Jimmy
*@date 2007.1.16
*/
#include "utf8conv.h"

int UTF8Conv::codepage(const char* code_page)
{
#ifdef WIN32
if(code_page)
{
      return GetACP();//既竚箇砞
}
#endif
return 950 ;//taiwan acp
}

int UTF8Conv::dbcs2wchar(const char* code_page,/*in*/const char* in,int in_len,/*out*/wchar_t* out,int out_max)
{
#ifdef WIN32
return ::MultiByteToWideChar(codepage(code_page),0,in,in_len,out,out_max);
#else
size_t result;
iconv_t env;
env = iconv_open("WCHAR_T",code_page);
result = iconv(env,(char**)&in,(size_t*)&in_len,(char**)&out,(size_t*)&out_max);
iconv_close(env);
return (int) result;

#endif
}

int UTF8Conv::dbcs2wchar(const char* code_page,/*in*/const std::string&  in,/*out*/std::wstring& out)
{
int len = in.length() + 1;
int result;
wchar_t* pBuffer = new wchar_t[len];
memset(pBuffer,0,len*sizeof(wchar_t));
result = dbcs2wchar(code_page,in.c_str(),in.length(),pBuffer,len*sizeof(wchar_t));
if(pBuffer >= 0)
{
      out = pBuffer;
}
else
{
      out.clear();
}
delete[] pBuffer;
return result;
}

int UTF8Conv::wchar2dbcs(const char* code_page,/*in*/const wchar_t* in,int in_len,/*out*/char* out,int out_max)
{
#ifdef WIN32
BOOL use_def_char;
use_def_char = FALSE;
return ::WideCharToMultiByte(codepage(code_page),0,in,in_len/sizeof(wchar_t),out,out_max,"?",&use_def_char);
#else
size_t result;
iconv_t env;
env = iconv_open(code_page,"WCHAR_T");
result = iconv(env,(char**)&in,(size_t*)&in_len,(char**)&out,(size_t*)&out_max);
iconv_close(env);
return (int) result;
#endif
}

int UTF8Conv::wchar2dbcs(const char* code_page,/*in*/const std::wstring& in,/*out*/std::string& out)
{
int len = in.length() + 1;
int result;
char* pBuffer = new char[len*3];
memset(pBuffer,0,len*3);
result = wchar2dbcs(code_page,in.c_str(),in.length() * sizeof(wchar_t),pBuffer,len*3);
if(result >= 0)
{
      out = pBuffer;
}
else
{
      out = "";
}
delete[] pBuffer;
return result;
}

int UTF8Conv::wchar2utf8(/*in*/const wchar_t* in,int in_len,/*out*/char* out,int out_max)
{
#ifdef WIN32

BOOL use_def_char;
use_def_char = FALSE;
return ::WideCharToMultiByte(CP_UTF8,0,in,in_len/sizeof(wchar_t),out,out_max,NULL,NULL);
#else
size_t result;
iconv_t env;

env = iconv_open("UTF8","WCHAR_T");
result = iconv(env,(char**)&in,(size_t*)&in_len,(char**)&out,(size_t*)&out_max);
iconv_close(env);
return (int) result;
#endif
}

int UTF8Conv::wchar2utf8(/*in*/const std::wstring& in,/*out*/std::string& out)
{
int len = in.length() + 1;
int result;
char* pBuffer = new char[len*3];
memset(pBuffer,0,len*3);
result = wchar2utf8(in.c_str(),in.length() * sizeof(wchar_t),pBuffer,len*3);
if(result >= 0)
{
      out = pBuffer;
}
else
{
      out = "";
}
delete[] pBuffer;
return result;
}

int UTF8Conv::utf82wchar(/*in*/const char* in,int in_len,/*out*/wchar_t* out,int out_max)
{
#ifdef WIN32
return ::MultiByteToWideChar(CP_UTF8,0,in,in_len,out,out_max);
#else
size_t result;
iconv_t env;
env = iconv_open("WCHAR_T","UTF8");
result = iconv(env,(char**)&in,(size_t*)&in_len,(char**)&out,(size_t*)&out_max);
iconv_close(env);
return (int) result;
#endif
}

int UTF8Conv::utf82wchar(/*in*/const std::string& in,/*out*/std::wstring& out)
{
int len = in.length() + 1;
int result;
//wstring temp;
wchar_t* pBuffer = new wchar_t[len];
memset(pBuffer,0,len*sizeof(wchar_t));
result = utf82wchar(in.c_str(),in.length(),pBuffer,len*sizeof(wchar_t));
//printf("utf82wchar result is %d,errno is %s\n",result,strerror(errno));
if(result >= 0)
{
      out = pBuffer;
}
else
{
      out.clear();
}
delete[] pBuffer;
return result;
}

/**
*@file
*@author Jimmy
*@date 2007.1.16
*/
#ifndef _UTF8CONV_H_
#define _UTF8CONV_H_

#ifdef WIN32
#include <windows.h>
#include <winnls.h>
#else
#include <stdio.h>
#include <iconv.h>
#endif

#include<string>

class UTF8Conv
{
public:
static  int codepage(const char* code_page);

static  int dbcs2wchar(const char* code_page,/*in*/const char* in,int in_len,/*out*/wchar_t* out,int out_max) ;

static  int dbcs2wchar(const char* code_page,/*in*/const std::string&  in,/*out*/std::wstring& out);

static  int wchar2dbcs(const char* code_page,/*in*/const wchar_t* in,int in_len,/*out*/char* out,int out_max) ;

static  int wchar2dbcs(const char* code_page,/*in*/const std::wstring& in,/*out*/std::string& out) ;

static  int wchar2utf8(/*in*/const wchar_t* in,int in_len,/*out*/char* out,int out_max);

static  int wchar2utf8(/*in*/const std::wstring& in,/*out*/std::string& out);

static  int utf82wchar(/*in*/const char* in,int in_len,/*out*/wchar_t* out,int out_max);

static  int utf82wchar(/*in*/const std::string& in,/*out*/std::wstring& out);
};

#endif