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简单的wchar_t 和 char 转换类, 且包含与UTF8的转换

發(fā)布時(shí)間:2023/12/20 编程问答 28 豆豆
生活随笔 收集整理的這篇文章主要介紹了 简单的wchar_t 和 char 转换类, 且包含与UTF8的转换 小編覺(jué)得挺不錯(cuò)的,現(xiàn)在分享給大家,幫大家做個(gè)參考.
/***************************************************************簡(jiǎn)單的wchar_t 和 char 轉(zhuǎn)換類(lèi),且包含與UTF8的轉(zhuǎn)換(需要定義宏_UTF8_)***************************************************************/ #ifndef __CHAR_CONVERT_H__ #define __CHAR_CONVERT_H__#include <SDKDDKVer.h> //"targetver.h"#ifndef WIN32_LEAN_AND_MEAN #define WIN32_LEAN_AND_MEAN // 從 Windows 頭文件中排除極少使用的信息 #endif// Windows 頭文件: #include <windows.h>/ // 簡(jiǎn)單的wchar_t 和 char 轉(zhuǎn)換類(lèi), 且包含與UTF8的轉(zhuǎn)換 class CWCharToChar { public:enum{EChar = 1,EWChar = 2,EUtf8 = 4}; private:char * m_cDest;wchar_t * m_wcDest;char * m_cUtf8;unsigned int m_nSrcType;public: char * Char(void) { return m_cDest; }wchar_t * WChar(void){ return m_wcDest; }#if defined( _UTF8_ )char * UTF8(void) { return m_cUtf8; } #endifTCHAR * TChar(void){ #ifdef _UNICODEreturn WChar(); #elsereturn Char(); #endif}// ANSI/GBK 轉(zhuǎn) Unicode和UTF8的構(gòu)造函數(shù)CWCharToChar(const char* psrc, unsigned int nSrcType = EChar): m_cDest(NULL), m_wcDest(NULL), m_cUtf8(NULL), m_nSrcType(nSrcType){if( EChar == m_nSrcType ){m_cDest = (char*)psrc;#if defined( _UTF8_ )int nLen = MultiByteToWideChar (CP_ACP, 0, m_cDest, -1, NULL, 0);m_wcDest = new wchar_t[nLen];MultiByteToWideChar (CP_ACP, 0, m_cDest, -1, m_wcDest, nLen);nLen = WideCharToMultiByte(CP_UTF8, 0, m_wcDest, -1, NULL, 0, NULL, NULL);m_cUtf8 = new char[nLen + 1];WideCharToMultiByte (CP_UTF8, 0, m_wcDest, -1, m_cUtf8, nLen, NULL,NULL); #elseint nLen = MultiByteToWideChar (CP_ACP, 0, m_cDest, -1, NULL, 0);m_wcDest = new wchar_t[nLen];MultiByteToWideChar (CP_ACP, 0, m_cDest, -1, m_wcDest, nLen); #endif}else if( EUtf8 == m_nSrcType ){m_cUtf8 = (char*)psrc;int nLen = MultiByteToWideChar(CP_UTF8, 0, m_cUtf8, -1, NULL,0);m_wcDest = new wchar_t[nLen+1];MultiByteToWideChar(CP_UTF8, 0, m_cUtf8, -1, m_wcDest, nLen);nLen = WideCharToMultiByte(CP_ACP, 0, m_wcDest, -1, NULL, 0, NULL, NULL);m_cDest = new char[nLen + 1];WideCharToMultiByte(CP_ACP, 0, m_wcDest, -1, m_cDest, nLen, NULL,NULL);}}// Unicode 轉(zhuǎn) ANSI/GBK和UTF8的構(gòu)造函數(shù)CWCharToChar(const wchar_t * psrc): m_cDest(NULL), m_wcDest(NULL), m_cUtf8(NULL), m_nSrcType(EWChar){m_wcDest = (wchar_t*)psrc;// ANSI/GBK{int nLen = WideCharToMultiByte(CP_OEMCP,NULL, m_wcDest,-1,NULL,0,NULL,FALSE);m_cDest = new char[nLen];WideCharToMultiByte (CP_OEMCP,NULL,m_wcDest,-1, m_cDest, nLen,NULL,FALSE);}#if defined( _UTF8_ ){int nLen = WideCharToMultiByte(CP_UTF8, 0, m_wcDest, -1, NULL, 0, NULL, NULL);m_cUtf8 = new char[nLen + 1];WideCharToMultiByte (CP_UTF8, 0, m_wcDest, -1, m_cUtf8, nLen, NULL,NULL);} #endif}~CWCharToChar(){if( EChar == m_nSrcType ){if( m_wcDest ) delete [] m_wcDest;if( m_cUtf8 ) delete [] m_cUtf8; }else if( EWChar == m_nSrcType ){if( m_cDest ) delete [] m_cDest; if( m_cUtf8 ) delete [] m_cUtf8; }else if( EUtf8 == m_nSrcType ){if( m_cDest ) delete [] m_cDest; if( m_wcDest ) delete [] m_wcDest;}} };#endif //__CHAR_CONVERT_H__

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