Merge continued

git-svn-id: svn://ultimatepp.org/upp/trunk@10263 f0d560ea-af0d-0410-9eb7-867de7ffcac7

uppdev/chn-convert/ChineseCodeLib.cpp

@@ -0,0 +1,135 @@
+// ChineseCodeLib.cpp: implementation of the CChineseCodeLib class.
+//
+//////////////////////////////////////////////////////////////////////
+
+#include "stdafx.h"
+#include "ChineseCodeLib.h"
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+CChineseCodeLib::CChineseCodeLib()
+{
+
+}
+
+CChineseCodeLib::~CChineseCodeLib()
+{
+
+}
+
+
+void CChineseCodeLib::UTF_8ToUnicode(WCHAR* pOut,char *pText)
+{
+	char* uchar = (char *)pOut;
+
+	uchar[1] = ((pText[0] & 0x0F) << 4) + ((pText[1] >> 2) & 0x0F);
+	uchar[0] = ((pText[1] & 0x03) << 6) + (pText[2] & 0x3F);
+
+	return;
+}
+
+void CChineseCodeLib::UnicodeToGB2312(char* pOut,unsigned short uData)
+{
+	WideCharToMultiByte(CP_ACP,NULL,&uData,1,pOut,sizeof(WCHAR),NULL,NULL);
+	return;
+}
+
+void CChineseCodeLib::Gb2312ToUnicode(WCHAR* pOut,char *gbBuffer)
+{
+	::MultiByteToWideChar(CP_ACP,MB_PRECOMPOSED,gbBuffer,2,pOut,1);
+	return;
+}
+
+void CChineseCodeLib::UnicodeToUTF_8(char* pOut,WCHAR* pText)
+{
+	// note: WCHAR first lower byte then higher byte 注意 WCHAR高低字的顺序,低字节在前，高字节在后
+	char* pchar = (char *)pText;
+
+	pOut[0] = (0xE0 | ((pchar[1] & 0xF0) >> 4));
+	pOut[1] = (0x80 | ((pchar[1] & 0x0F) << 2)) + ((pchar[0] & 0xC0) >> 6);
+	pOut[2] = (0x80 | (pchar[0] & 0x3F));
+
+	return;
+}
+
+void CChineseCodeLib::GB2312ToUTF_8(CString& pOut,char *pText, int pLen)
+{
+	char buf[4];
+	char *rst = new char[pLen / 2 * 3];
+
+	memset(buf,0,4);
+	memset(rst,0,pLen + (pLen >> 2) + 2);
+
+	int i = 0;
+	int j = 0;
+	while(i < pLen)
+	{
+		//if it is English,copy it 如果是英文直接复制就可以
+		if( *(pText + i) >= 0)
+		{
+			rst[j++] = pText[i++];
+		}
+		else
+		{
+			WCHAR pbuffer;
+			Gb2312ToUnicode(&pbuffer,pText+i);
+
+			UnicodeToUTF_8(buf,&pbuffer);
+
+			unsigned short int tmp = 0;
+			tmp = rst[j] = buf[0];
+			tmp = rst[j+1] = buf[1];
+			tmp = rst[j+2] = buf[2];
+
+
+			j += 3;
+			i += 2;
+		}
+	}
+	rst[j] = '\0';
+
+	//返回结果
+	pOut = rst;
+	delete []rst;
+
+	return;
+}
+
+void CChineseCodeLib::UTF_8ToGB2312(CString &pOut, char *pText, int pLen)
+{
+	 char * newBuf = new char[pLen];
+	 char Ctemp[4];
+	 memset(Ctemp,0,4);
+
+	 int i =0;
+	 int j = 0;
+
+	 while(i < pLen)
+	 {
+	 	if(pText[i] > 0)
+		{
+			newBuf[j++] = pText[i++];
+		}
+		else
+		{
+			WCHAR Wtemp;
+			UTF_8ToUnicode(&Wtemp,pText + i);
+
+			UnicodeToGB2312(Ctemp,Wtemp);
+
+			newBuf[j] = Ctemp[0];
+			newBuf[j + 1] = Ctemp[1];
+
+			i += 3;
+			j += 2;
+		}
+	 }
+	 newBuf[j] = '\0';
+
+	 pOut = newBuf;
+	 delete []newBuf;
+
+	 return;
+}