新浪圍脖開放平臺六"字符串轉化"

//.h

/** * @brief char convertion * @file NAStingUNIT.h * @author welbon * @Email < [e-mail] > * * Copyright (C) 1996-2010 SINA Corporation, All Rights Reserved * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * */ #pragma once #include <stdio.h> #include <tchar.h> #include <string> /** 字符串轉化類 * * @author loach * * @date 2008-07-09 */ class CNAStringUNIT { public: /** Convert utf8 to microsoft unicode */ std::wstring NA_Utf8ToUnicode(const char *zFilename); /* ** Convert microsoft unicode to UTF-8. Space to hold the returned string is ** obtained from malloc(). */ std::string NA_UnicodeToUtf8(const wchar_t *zWideFilename); /* ** Convert an ansi string to microsoft unicode, based on the ** current codepage settings for file apis. ** ** Space to hold the returned string is obtained ** from malloc. */ std::wstring NA_MbcsToUnicode(const char *zFilename); /* ** Convert microsoft unicode to multibyte character string, based on the ** user's Ansi codepage. ** ** Space to hold the returned string is obtained from ** malloc(). */ std::string NA_UnicodeToMbcs(const wchar_t *zWideFilename); /* ** Convert multibyte character string to UTF-8. Space to hold the ** returned string is obtained from malloc(). */ std::string NA_MbcsToUtf8(const char *zFilename); /* ** Convert UTF-8 to multibyte character string. Space to hold the ** returned string is obtained from malloc(). */ std::string NA_Utf8ToMbcs(const char *zFilename); /** 是否是郵箱地址 */ bool NA_isemail(const char *str); /** 是否是字符串*/ bool NA_isalpha(const char *str); /** 是否是數字 */ bool NA_isalnum(const char* str); /** 是否是0-9數字 */ bool NA_isdigit(const char *str); };

//.cpp

/** * @brief char convertion * @file NAStingUNIT.cpp * @author welbon * @Email < [e-mail] > * * Copyright (C) 1996-2010 SINA Corporation, All Rights Reserved * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. * */ #include "Stdafx.h" #include "NAStringUNIT.h" #include <malloc.h> #include <windows.h> std::wstring CNAStringUNIT::NA_Utf8ToUnicode(const char *zFilename) { int nChar; wchar_t *zWideFilename; nChar = MultiByteToWideChar(CP_UTF8, 0, zFilename, -1, NULL, 0); int nSize = nChar*sizeof(zWideFilename[0]); zWideFilename = new wchar_t[nSize+1]; if( zWideFilename==0 ){ return 0; } nChar = MultiByteToWideChar(CP_UTF8, 0, zFilename, -1, zWideFilename, nSize); if( nChar==0 ){ delete zWideFilename; zWideFilename = 0; } else zWideFilename[nChar] = 0; std::wstring strFileName = zWideFilename; delete []zWideFilename; return strFileName; } /* ** Convert microsoft unicode to UTF-8. Space to hold the returned string is ** obtained from sqliteMalloc(). */ std::string CNAStringUNIT::NA_UnicodeToUtf8(const wchar_t *zWideFilename) { int nByte; char *zFilename; nByte = WideCharToMultiByte(CP_UTF8, 0, zWideFilename, -1, 0, 0, 0, 0); zFilename = new char[nByte +1]; if( zFilename==0 ){ return 0; } nByte = WideCharToMultiByte(CP_UTF8, 0, zWideFilename, -1, zFilename, nByte+1, 0, 0); if( nByte == 0 ){ delete zFilename; zFilename = 0; } else zFilename[nByte]='/0'; std::string strFileName = zFilename; delete []zFilename; return strFileName; } /* ** Convert an ansi string to microsoft unicode, based on the ** current codepage settings for file apis. ** ** Space to hold the returned string is obtained ** from sqliteMalloc. */ std::wstring CNAStringUNIT::NA_MbcsToUnicode(const char *zFilename) { int nByte; wchar_t *zMbcsFilename; int codepage = AreFileApisANSI() ? CP_ACP : CP_OEMCP; nByte = MultiByteToWideChar(codepage, 0, zFilename, -1, NULL,0);//*sizeof(wchar_t); int nSize = nByte*sizeof(zMbcsFilename[0]); zMbcsFilename = new wchar_t[nSize+1]; if( zMbcsFilename==0 ){ return 0; } nByte = MultiByteToWideChar(codepage, 0, zFilename, -1, zMbcsFilename, nSize); if( nByte==0 ){ delete zMbcsFilename; zMbcsFilename = 0; } else zMbcsFilename[nByte]=0; std::wstring strFileName = zMbcsFilename; delete []zMbcsFilename; return strFileName; } /* ** Convert microsoft unicode to multibyte character string, based on the ** user's Ansi codepage. ** ** Space to hold the returned string is obtained from ** sqliteMalloc(). */ std::string CNAStringUNIT::NA_UnicodeToMbcs(const wchar_t *zWideFilename) { int nByte; char *zFilename; int codepage = AreFileApisANSI() ? CP_ACP : CP_OEMCP; nByte = WideCharToMultiByte(codepage, 0, zWideFilename, -1, 0, 0, 0, 0); zFilename = new char[ nByte+1]; if( zFilename==0 ){ return 0; } nByte = WideCharToMultiByte(codepage, 0, zWideFilename, -1, zFilename, nByte+1, 0, 0); if( nByte == 0 ){ delete zFilename; zFilename = 0; } else zFilename[nByte]='/0'; std::string strFileName = zFilename; delete []zFilename; return strFileName; } /* ** Convert multibyte character string to UTF-8. Space to hold the ** returned string is obtained from sqliteMalloc(). */ std::string CNAStringUNIT::NA_MbcsToUtf8(const char *zFilename) { // char *zFilenameUtf8; std::wstring zTmpWide = NA_MbcsToUnicode(zFilename); if( zTmpWide.empty() ){ return std::string(""); } return NA_UnicodeToUtf8(zTmpWide.c_str()); } /* ** Convert UTF-8 to multibyte character string. Space to hold the ** returned string is obtained from sqliteMalloc(). */ std::string CNAStringUNIT::NA_Utf8ToMbcs(const char *zFilename) { std::wstring zTmpWide = NA_Utf8ToUnicode(zFilename); if( zTmpWide.empty() ){ return std::string(""); } return NA_UnicodeToMbcs(zTmpWide.c_str()); } /** 是否是郵箱地址 */ bool CNAStringUNIT::NA_isemail(const char *str) { if(!str) return false; const char *tmpstr = strchr(str, '@'); if(!tmpstr || tmpstr==str) return false; const char *t = str; while(t!=tmpstr) { if(!isalnum(*t) && *t!='-' && *t!='_' && *t!='.') break; t++; } if(t!=tmpstr) return false; t++; while(*t) { if(!isalnum(*t) && *t!='-' && *t!='.') { return false; } t++; } return true; } bool CNAStringUNIT::NA_isalpha(const char *str) { if(!str) return false; while(isalpha(*str))str++; return *str=='/0'; } bool CNAStringUNIT::NA_isalnum(const char* str) { if(!str) return false; while(isalnum(*str))str++; return *str=='/0'; } bool CNAStringUNIT::NA_isdigit(const char *str) { if(!str) return false; while(isdigit(*str))str++; return *str=='/0'; }