多字节与UTF-8、Unicode之间的转换 .
来源:互联网 发布:网络上玄学是什么意思 编辑:程序博客网 时间:2024/05/21 10:49
// 多字节编码转为UTF8编码
bool MBToUTF8(vector<char>& pu8, const char* pmb, int32 mLen)
{
// convert an MBCS string to widechar
int32 nLen = MultiByteToWideChar(CP_ACP, 0, pmb, mLen, NULL, 0);
WCHAR* lpszW = NULL;
try
{
lpszW = new WCHAR[nLen];
}
catch(bad_alloc &memExp)
{
return false;
}
int32 nRtn = MultiByteToWideChar(CP_ACP, 0, pmb, mLen, lpszW, nLen);
if(nRtn != nLen)
{
delete[] lpszW;
return false;
}
// convert an widechar string to utf8
int32 utf8Len = WideCharToMultiByte(CP_UTF8, 0, lpszW, nLen, NULL, 0, NULL, NULL);
if (utf8Len <= 0)
{
return false;
}
pu8.resize(utf8Len);
nRtn = WideCharToMultiByte(CP_UTF8, 0, lpszW, nLen, &*pu8.begin(), utf8Len, NULL, NULL);
delete[] lpszW;
if (nRtn != utf8Len)
{
pu8.clear();
return false;
}
return true;
}
// UTF8编码转为多字节编码
bool UTF8ToMB(vector<char>& pmb, const char* pu8, int32 utf8Len)
{
// convert an UTF8 string to widechar
int32 nLen = MultiByteToWideChar(CP_UTF8, 0, pu8, utf8Len, NULL, 0);
WCHAR* lpszW = NULL;
try
{
lpszW = new WCHAR[nLen];
}
catch(bad_alloc &memExp)
{
return false;
}
int32 nRtn = MultiByteToWideChar(CP_UTF8, 0, pu8, utf8Len, lpszW, nLen);
if(nRtn != nLen)
{
delete[] lpszW;
return false;
}
// convert an widechar string to Multibyte
int32 MBLen = WideCharToMultiByte(CP_ACP, 0, lpszW, nLen, NULL, 0, NULL, NULL);
if (MBLen <=0)
{
return false;
}
pmb.resize(MBLen);
nRtn = WideCharToMultiByte(CP_ACP, 0, lpszW, nLen, &*pmb.begin(), MBLen, NULL, NULL);
delete[] lpszW;
if(nRtn != MBLen)
{
pmb.clear();
return false;
}
return true;
}
// 多字节编码转为Unicode编码
bool MBToUnicode(vector<wchar_t>& pun, const char* pmb, int32 mLen)
{
// convert an MBCS string to widechar
int32 uLen = MultiByteToWideChar(CP_ACP, 0, pmb, mLen, NULL, 0);
if (uLen<=0)
{
return false;
}
pun.resize(uLen);
int32 nRtn = MultiByteToWideChar(CP_ACP, 0, pmb, mLen, &*pun.begin(), uLen);
if (nRtn != uLen)
{
pun.clear();
return false;
}
return true;
}
//Unicode编码转为多字节编码
bool UnicodeToMB(vector<char>& pmb, const wchar_t* pun, int32 uLen)
{
// convert an widechar string to Multibyte
int32 MBLen = WideCharToMultiByte(CP_ACP, 0, pun, uLen, NULL, 0, NULL, NULL);
if (MBLen <=0)
{
return false;
}
pmb.resize(MBLen);
int nRtn = WideCharToMultiByte(CP_ACP, 0, pun, uLen, &*pmb.begin(), MBLen, NULL, NULL);
if(nRtn != MBLen)
{
pmb.clear();
return false;
}
return true;
}
// UTF8编码转为Unicode
bool UTF8ToUnicode(vector<wchar_t>& pun, const char* pu8, int32 utf8Len)
{
// convert an UTF8 string to widechar
int32 nLen = MultiByteToWideChar(CP_UTF8, 0, pu8, utf8Len, NULL, 0);
if (nLen <=0)
{
return false;
}
pun.resize(nLen);
int32 nRtn = MultiByteToWideChar(CP_UTF8, 0, pu8, utf8Len, &*pun.begin(), nLen);
if(nRtn != nLen)
{
pun.clear();
return false;
}
return true;
}
// Unicode编码转为UTF8
bool UnicodeToUTF8(vector<char>& pu8, const wchar_t* pun, int32 uLen)
{
// convert an widechar string to utf8
int32 utf8Len = WideCharToMultiByte(CP_UTF8, 0, pun, uLen, NULL, 0, NULL, NULL);
if (utf8Len<=0)
{
return false;
}
pu8.resize(utf8Len);
int32 nRtn = WideCharToMultiByte(CP_UTF8, 0, pun, uLen, &*pu8.begin(), utf8Len, NULL, NULL);
if (nRtn != utf8Len)
{
pu8.clear();
return false;
}
return true;
}
- 多字节与UTF-8、Unicode之间的转换
- 多字节与UTF-8、Unicode之间的转换
- 多字节与UTF-8、Unicode之间的转换
- 多字节MBCS与UTF-8、Unicode之间的转换
- 多字节与UTF-8、Unicode之间的转换
- 多字节与UTF-8、Unicode之间的转换
- 多字节与UTF-8、Unicode之间的转换 .
- 多字节与UTF-8、Unicode之间的转换
- 多字节、UTF-8、Unicode之间的转换
- 多字节与UTF-8、Unicode之间的转换(二)
- 多字节与unicode之间的转换
- 多字节 unicode和utf-8的转换
- 多字节 unicode和utf-8的转换
- Unicode 下宽字节与多字节之间的转换
- UFT-8,多字节和UNICODE之间的转换
- UFT-8,多字节和UNICODE之间的转换
- 多字节<--->Unicode<--->UTF-8
- Unicode与UTF-8之间转换关系
- c语言之数据拷贝memcpy strcpy
- 每天进步一点点————MUMA架构优化和应用优化
- HDU 5410 CRB and His Birthday(完全背包+01背包)
- 使用android studio 导入项目版本不匹配解决方法
- centos6.4安装GCC4.8 C++11
- 多字节与UTF-8、Unicode之间的转换 .
- minicom终端
- Android 关于OOM的解决方案
- SSL常见加密算法
- Android App数据加密
- POJ 3261 Milk Patterns (可重叠的出现K次的最长重复子串)
- 苹果团队App开发流程|Fake it till you make it
- 双层嵌套json字符串(即json对象内嵌json数组)解析为Map
- 生成N位格雷码的递归和递推写法