pudjiema.txt

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#include "SMSPDU.h"
#ifdef _DEBUG
#undef THIS_FILE
static char THIS_FILE[]=__FILE__;
#define new DEBUG_NEW
#endif
//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////
CSMSPDU::CSMSPDU()
{
}
CSMSPDU::~CSMSPDU()
{
}
size_t CSMSPDU::GetPDUContent(CString & strStream, LPCTSTR szCallCenter, LPCTSTR szTarget, LPCTSTR szContent)
{
 strStream = GetEncAddr(szCallCenter, 0);
 strStream += conSendSeg;
 strStream += GetEncAddr(szTarget, 1);
 strStream += conUCodeSeg;
 strStream += GetUCSSegment(szContent);
 size_t nLen = GetStreamLength(strStream);
 return nLen;
}
//将Unicode编码还原为文字string
CString CSMSPDU::ConvertUnicode2String(CString strDataSrc)
{
 CString objStr;
 char * szContent = new char[400];
 memset(szContent, 0, 400);
 strDataSrc = ConvertOctet(strDataSrc);
 for (int i=0, j=0; i < strDataSrc.GetLength(); i+=2,j++)
 {
  CString objByte = strDataSrc.Mid(i, 2);
  unsigned short intByteCode = HexString2Int(objByte);
  szContent[j] = (unsigned char)intByteCode;
 }
 BSTR bstrText = (BSTR)szContent;
 char szText[400] = {0};
 WideCharToMultiByte(CP_ACP, 0, bstrText, SysStringLen(bstrText), szText, 400, NULL, NULL);
 objStr = szText;
 delete szContent;
 return objStr;
}
//交换半个字节，如13925151775F转换后为3129151577F5
CString CSMSPDU::ConvertSemiOctet(LPCTSTR lpStr)
{
 CString objStr(lpStr);
 int i, nLen;
 TCHAR chTemp1, chTemp2;
 nLen = objStr.GetLength();
 for(i = 0; i < nLen; i += 2)
 {
  chTemp1 = objStr.GetAt(i);
  chTemp2 = objStr.GetAt(i + 1);
  objStr.SetAt(i, chTemp2);
  objStr.SetAt(i + 1, chTemp1);
 }
 return objStr;
}
//交换字节，如EF53E54E交换后为53EF4EE5
CString CSMSPDU::ConvertOctet(LPCTSTR lpStr)
{
 CString objStr(lpStr);
 int i, nLen;
 TCHAR chTemp1, chTemp2, chTemp3, chTemp4;
 nLen = objStr.GetLength();
 for(i = 0; i < nLen; i += 4)
 {
  chTemp1 = objStr.GetAt(i);
  chTemp2 = objStr.GetAt(i + 1);
  chTemp3 = objStr.GetAt(i + 2);
  chTemp4 = objStr.GetAt(i + 3);
  objStr.SetAt(i, chTemp3);
  objStr.SetAt(i + 1, chTemp4);
  objStr.SetAt(i + 2, chTemp1);
  objStr.SetAt(i + 3, chTemp2);
 }
 return objStr;
}
//将地址进行编码，返回编码后的地址串
//nType表示地址类型，0表示地址为消息中心，1表示目的地址
CString CSMSPDU::GetEncAddr(LPCTSTR bStr, int nType)
{
 CString objStr(bStr);
 CString objTemp;
 int nLen;
 CString objLen;
 
 nLen = objStr.GetLength();
 //如果最左边是"+"号，则去掉它
 if(objStr.Left(1) == (LPCTSTR)conADText)
 {
  objTemp = objStr;
  objStr = objTemp.Right(objTemp.GetLength() - 1);
 }
 //如果长度不为偶数，则加上"F"号
 if((objStr.GetLength() % 2) != 0)
 { 
  objStr += conPostfix;
 }
 objTemp = objStr;
 objStr = ConvertSemiOctet((LPCTSTR)objTemp);
 objStr = (LPCTSTR)conADType + objStr;
 switch(nType)
 {
 case 0:
  nLen = objStr.GetLength() / 2;
  break;
 case 1:
  break;
 default:
  break;
 }
 objLen.Format(_T("%02X"), nLen);
 objStr = objLen + objStr;
 return objStr;
}
//获取内容段
//传入内容字符，转换成Unicode，再获取总长度
CString CSMSPDU::GetUCSSegment(LPCTSTR bstrContent)
{
 CString objTemp(bstrContent);
 CString objStr;
 CString objChar;
 BYTE * achBuffer = (BYTE *)(LPCTSTR)objTemp;
 int nLen = objTemp.GetLength();
 BSTR wszBuffer = (CString(achBuffer)).AllocSysString();
 BYTE abyte[3] = {0};
 nLen = wcslen(wszBuffer);
 for(int i = 0; i < nLen; i++)
 {
  objChar.Format(_T("%04X"), wszBuffer[i]);
  objStr += objChar;
 }
 objChar.Format(_T("%02X"), nLen * 2);
 objStr = objChar + objStr;
 return objStr;
}
//获取字符流的长度，不包括短消息中心的长度
unsigned int CSMSPDU::GetStreamLength(CString objStream)
{
 unsigned int nLen, nCenterLen;
 nLen = objStream.GetLength() / 2;
 
 CString objTemp = objStream.Left(2);
 const TCHAR* lpBuffer = (LPCTSTR)objTemp;
 TCHAR* strStop;
 nCenterLen = (unsigned int)_tcstoul(lpBuffer, &strStop, 10);
 nCenterLen ++;
 nLen -= nCenterLen;
 return nLen;
}
//获取abyte字符串的第一个字，并将其值转为数字
//用于解码时将十六进制的字符串转为数字
int CSMSPDU::HexString2Int(LPCTSTR abyte)
{
 int iResult;
 if (abyte[0] >= 65 && abyte[0] <= 70)
 {
  iResult = (abyte[0] - 55) * 16;
 }
 else if (abyte[0] >=97 && abyte[0] <= 102)
 {
  iResult = (abyte[0] - 87) * 16;
 }
 else if (abyte[0] >=48 && abyte[0] <=57)
 {
  iResult = (abyte[0] - 48) * 16;
 }
 else return(-1);
 if (abyte[1] >= 65 && abyte[1] <= 70)
 {
  iResult += abyte[1] - 55;
 }
 else if (abyte[1] >=97 && abyte[1] <= 102)
 {
  iResult += abyte[1] - 87;
 }
 else if (abyte[1] >=48 && abyte[1] <=57)
 {
  iResult += abyte[1] - 48;
 }
 else return(-1);
 return(iResult);
}
//获取abyte字符串的第一个字，并将其值转为数字
//用于解码时将十进制的字符串转为数字
int CSMSPDU::OctString2Int(LPCTSTR abyte)
{
 int iResult;
 if (abyte[0] >=48 && abyte[0] <=57)
 {
  iResult = (abyte[0] - 48) * 10;
 }
 else return(-1);
 if (abyte[1] >=48 && abyte[1] <=57)
 {
  iResult += abyte[1] - 48;
 }
 else return(-1);
 return(iResult);
}