Win32 常用字符串编码转换
2024-04-12 04:50:47
CStriUtils.h
#pragma once#include <wtypesbase.h>
#include <string>#ifdef _UNICODE
using _tstring = std::wstring;
#else
using _tstring = std::string;
#endifclass CStrUtils
{
public://其他编码字符串 转 中立字符串转换static _tstring WStrToTStr(const std::wstring& str);static _tstring AStrToTStr(const std::string& str);static _tstring U8StrToTStr(const std::string& str);//中立字符串 转 其他编码字符串static std::wstring TStrToWStr(const _tstring& tstr);static std::string TStrToAStr(const _tstring& tstr);static std::string TStrToU8Str(const _tstring& tstr);//Unicode 编码字符串 转 其他编码字符串static std::string WStrToAStr(const std::wstring& wstr);static std::string WStrToU8Str(const std::wstring& wstr);//Ansi 编码字符串 转 其他编码字符串static std::wstring AStrToWStr(const std::string& str);static std::string AStrToU8Str(const std::string& str);//Uft8 编码字符串 转 其他编码字符串static std::wstring U8StrToWStr(const std::string& str);static std::string U8StrToAStr(const std::string& str);//Unicode 编码字符串 转 其他编码字符串static LPSTR WToAPtr(LPCWSTR lpInStr);static BOOL WToABuf(LPCWSTR lpInStr, LPSTR lpOutStr, int cchOut);static LPSTR WToU8Ptr(LPCWSTR lpInStr);static BOOL WToUtf8Buf(LPCWSTR lpInStr, LPSTR lpOutStr, int cchOut);static BOOL WToTBuf(LPCWSTR lpInStr, LPTSTR lpOutStr, int cchOut);//Ansi 编码字符串 转 其他编码字符串static LPWSTR AToWPtr(LPCSTR lpInStr);static BOOL AToWBuf(LPCSTR lpInStr, LPWSTR lpOutStr, int cchOut);static LPSTR AToU8Ptr(LPCSTR lpInStr);static BOOL AToUtf8Buf(LPCSTR lpInStr, LPSTR lpOutStr, int cchOut);static BOOL AToTbuf(LPCSTR lpInStr, LPTSTR lpOutStr, int cchOut);//Uft8 编码字符串 转 其他编码字符串static LPWSTR U8ToWPtr(LPCSTR lpInStr);static BOOL U8ToWBuf(LPCSTR lpInStr, LPWSTR lpOutStr, int cchOut);static LPSTR U8ToAPtr(LPCSTR lpInStr);static BOOL U8ToABuf(LPCSTR lpInStr, LPSTR lpOutStr, int cchOut);static BOOL U8ToTbuf(LPCSTR lpInStr, LPTSTR lpOutStr, int cchOut);//释放static VOID FreePtr(LPWSTR& lpwStr);static VOID FreePtr(LPSTR& lpStr);private://宽字符转其他static LPSTR WToOtherPtr(UINT CodePage, LPCWSTR lpInStr);static BOOL WToOtherBuf(UINT CodePage, LPCWSTR lpInStr, LPSTR lpOutStr, int cchOut);static std::string WStrToOtherStr(UINT CodePage, const std::wstring& wstr);//其他字符转宽字符static LPWSTR OtherToWPtr(UINT CodePage, LPCSTR lpInStr);static BOOL OtherToWBuf(UINT CodePage, LPCSTR lpInStr, LPWSTR lpOutStr, int cchOut);static std::wstring OtherStrToWStr(UINT CodePage, const std::string&);
};CStrUtils.cpp
#include "CStrUtils.h"
#include <stringapiset.h>
#include <strsafe.h>//中立字符串转换
_tstring CStrUtils::WStrToTStr(const std::wstring& str)
{
#ifdef _UNICODEreturn str;
#elsereturn WStrToAStr(str);
#endif
}_tstring CStrUtils::AStrToTStr(const std::string& str)
{
#ifdef _UNICODEreturn AStrToWStr(str);
#elsereturn str;
#endif
}_tstring CStrUtils::U8StrToTStr(const std::string& str)
{
#ifdef _UNICODEreturn U8StrToWStr(str);
#elsereturn U8StrToAStr(str);
#endif
}std::wstring CStrUtils::TStrToWStr(const _tstring& tstr)
{
#ifdef _UNICODEreturn tstr;
#elsereturn AStrToWStr(tstr);
#endif
}std::string CStrUtils::TStrToAStr(const _tstring& tstr)
{
#ifdef _UNICODEreturn WStrToAStr(tstr);
#elsereturn tstr;
#endif
}std::string CStrUtils::TStrToU8Str(const _tstring& tstr)
{
#ifdef _UNICODEreturn WStrToU8Str(tstr);
#elsereturn AStrToU8Str(tstr);
#endif
}//Unicode
LPSTR CStrUtils::WToAPtr(LPCWSTR lpInStr)
{return WToOtherPtr(CP_ACP, lpInStr);
}BOOL CStrUtils::WToABuf(LPCWSTR lpInStr, LPSTR lpOutStr, int cchOut)
{return WToOtherBuf(CP_ACP, lpInStr, lpOutStr, cchOut);
}LPSTR CStrUtils::WToU8Ptr(LPCWSTR lpInStr)
{return WToOtherPtr(CP_UTF8, lpInStr);
}BOOL CStrUtils::WToUtf8Buf(LPCWSTR lpInStr, LPSTR lpOutStr, int cchOut)
{return WToOtherBuf(CP_UTF8, lpInStr, lpOutStr, cchOut);
}BOOL CStrUtils::WToTBuf(LPCWSTR lpInStr, LPTSTR lpOutStr, int cchOut)
{
#ifdef _UNICODEreturn S_OK == StringCchCopy(lpOutStr, cchOut, lpInStr);
#elsereturn WToABuf(lpInStr, lpOutStr, cchOut);
#endif
}std::string CStrUtils::WStrToAStr(const std::wstring& wstr)
{return WStrToOtherStr(CP_ACP, wstr);
}
std::string CStrUtils::WStrToU8Str(const std::wstring& wstr)
{return WStrToOtherStr(CP_UTF8, wstr);
}LPWSTR CStrUtils::AToWPtr(LPCSTR lpInStr)
{return OtherToWPtr(CP_ACP, lpInStr);
}BOOL CStrUtils::AToWBuf(LPCSTR lpInStr, LPWSTR lpOutStr, int cchOut)
{return OtherToWBuf(CP_ACP, lpInStr, lpOutStr, cchOut);
}LPSTR CStrUtils::AToU8Ptr(LPCSTR lpInStr)
{LPWSTR lpWStr = NULL;LPSTR lpMultiStr = NULL;lpWStr = AToWPtr(lpInStr);if (NULL == lpWStr){return NULL;}lpMultiStr = WToU8Ptr(lpWStr);(void)FreePtr(lpWStr);return lpMultiStr;
}BOOL CStrUtils::AToUtf8Buf(LPCSTR lpInStr, LPSTR lpOutStr, int cchOut)
{LPWSTR lpWStr = NULL;BOOL isSuccess = FALSE;lpWStr = AToWPtr(lpInStr);if (NULL == lpWStr){return FALSE;}isSuccess = WToUtf8Buf(lpWStr, lpOutStr, cchOut);(void)FreePtr(lpWStr);return isSuccess;
}BOOL CStrUtils::AToTbuf(LPCSTR lpInStr, LPTSTR lpOutStr, int cchOut)
{
#ifdef _UNICODEreturn AToWBuf(lpInStr, lpOutStr, cchOut);
#elsereturn S_OK == StringCchCopy(lpOutStr, cchOut, lpInStr);
#endif
}std::wstring CStrUtils::AStrToWStr(const std::string& str)
{return OtherStrToWStr(CP_ACP, str);
}std::string CStrUtils::AStrToU8Str(const std::string& str)
{return WStrToOtherStr(CP_UTF8, AStrToWStr(str));
}LPWSTR CStrUtils::U8ToWPtr(LPCSTR lpInStr)
{return OtherToWPtr(CP_UTF8, lpInStr);
}BOOL CStrUtils::U8ToWBuf(LPCSTR lpInStr, LPWSTR lpOutStr, int cchOut)
{return OtherToWBuf(CP_UTF8, lpInStr, lpOutStr, cchOut);
}LPSTR CStrUtils::U8ToAPtr(LPCSTR lpInStr)
{LPWSTR lpWStr = NULL;LPSTR lpMultiStr = NULL;lpWStr = U8ToWPtr(lpInStr);if (NULL == lpWStr){return NULL;}lpMultiStr = WToAPtr(lpWStr);(void)FreePtr(lpWStr);return lpMultiStr;
}BOOL CStrUtils::U8ToABuf(LPCSTR lpInStr, LPSTR lpOutStr, int cchOut)
{LPWSTR lpWStr = NULL;BOOL isSuccess = FALSE;lpWStr = U8ToWPtr(lpInStr);if (NULL == lpWStr){return FALSE;}isSuccess = WToABuf(lpWStr, lpOutStr, cchOut);(void)FreePtr(lpWStr);return isSuccess;
}BOOL CStrUtils::U8ToTbuf(LPCSTR lpInStr, LPTSTR lpOutStr, int cchOut)
{
#ifdef _UNICODEreturn U8ToWBuf(lpInStr, lpOutStr, cchOut);
#elsereturn U8ToABuf(lpInStr, lpOutStr, cchOut);
#endif
}std::wstring CStrUtils::U8StrToWStr(const std::string& str)
{return OtherStrToWStr(CP_UTF8, str);
}std::string CStrUtils::U8StrToAStr(const std::string& str)
{return WStrToAStr(OtherStrToWStr(CP_UTF8, str));
}LPSTR CStrUtils::WToOtherPtr(UINT CodePage, LPCWSTR lpInStr)
{LPSTR lpMultiByteStr = NULL;int nConverted = 0;//计算缓冲区所需的字节大小nConverted = ::WideCharToMultiByte(CodePage, 0, lpInStr, -1, NULL, 0, NULL, NULL);if (0 == nConverted){return NULL;}//分配内存lpMultiByteStr = (LPSTR)::HeapAlloc(::GetProcessHeap(), HEAP_ZERO_MEMORY, nConverted);if (NULL == lpMultiByteStr){return NULL;}//转换nConverted = ::WideCharToMultiByte(CodePage, 0, lpInStr, -1, lpMultiByteStr, nConverted, NULL, NULL);if (0 == nConverted){return NULL;}return lpMultiByteStr;
}BOOL CStrUtils::WToOtherBuf(UINT CodePage, LPCWSTR lpInStr, LPSTR lpOutStr, int cchOut)
{int nConverted = 0;nConverted = ::WideCharToMultiByte(CodePage, 0, lpInStr, -1, lpOutStr, cchOut, NULL, NULL);if (0 == nConverted){return FALSE;}return TRUE;
}std::string CStrUtils::WStrToOtherStr(UINT CodePage, const std::wstring& wstr)
{std::string strRes;LPSTR lpStr = WToOtherPtr(CodePage, wstr.c_str());if (NULL != lpStr){strRes = lpStr;FreePtr(lpStr);}return strRes;
}LPWSTR CStrUtils::OtherToWPtr(UINT CodePage, LPCSTR lpInStr)
{LPWSTR lpWCharStr = NULL;int nConverted = 0;//计算缓冲区所需的字节大小nConverted = ::MultiByteToWideChar(CodePage, 0, lpInStr, -1, NULL, 0);if (0 == nConverted){return NULL;}//分配缓冲内存lpWCharStr = (LPWSTR)::HeapAlloc(::GetProcessHeap(), HEAP_ZERO_MEMORY, nConverted * sizeof(WCHAR));if (NULL == lpWCharStr){return NULL;}//转换字符串nConverted = ::MultiByteToWideChar(CodePage, 0, lpInStr, -1, lpWCharStr, nConverted);if (0 == nConverted){return NULL;}return lpWCharStr;
}BOOL CStrUtils::OtherToWBuf(UINT CodePage, LPCSTR lpInStr, LPWSTR lpOutStr, int cchOut)
{int nConverted = 0;nConverted = ::MultiByteToWideChar(CodePage, 0, lpInStr, -1, lpOutStr, cchOut);if (0 == nConverted){return FALSE;}return TRUE;
}std::wstring CStrUtils::OtherStrToWStr(UINT CodePage, const std::string& str)
{std::wstring wstrRes;LPWSTR lpStr = OtherToWPtr(CodePage, str.c_str());if (NULL != lpStr){wstrRes = lpStr;FreePtr(lpStr);}return wstrRes;
}VOID CStrUtils::FreePtr(LPWSTR& lpwStr)
{if (lpwStr){::HeapFree(::GetProcessHeap(), 0, lpwStr);lpwStr = NULL;}
}VOID CStrUtils::FreePtr(LPSTR& lpStr)
{if (lpStr){::HeapFree(::GetProcessHeap(), 0, lpStr);lpStr = NULL;}
}Test.cpp
#include "CStrUtils.h"int main()
{static std::string strAnsi;static std::string strUtf8;static std::wstring wstrUnicode;LPCWSTR lpUnicodeInput = L"宽字符测试";LPCSTR lpAnsiInput = "ANSI字符测试";LPCSTR lpUtf8Input = u8"UTF-8字符测试";strAnsi = CStrUtils::WStrToAStr(lpUnicodeInput);strUtf8 = CStrUtils::WStrToU8Str(lpUnicodeInput);wstrUnicode = CStrUtils::AStrToWStr(lpAnsiInput);strUtf8 = CStrUtils::AStrToU8Str(lpAnsiInput);wstrUnicode = CStrUtils::U8StrToWStr(lpUtf8Input);strAnsi = CStrUtils::U8StrToAStr(lpUtf8Input);return 0;
}
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