StringEx.cpp
资源名称:ISQL_src.zip [点击查看]
上传用户:jsxglz
上传日期:2007-01-03
资源大小:117k
文件大小:1k
源码类别:
SQL Server
开发平台:
Visual C++
- // StringEx.cpp: implementation of the CStringEx class.
- //
- #include "stdafx.h"
- #include "StringEx.h"
- #ifdef _DEBUG
- #undef THIS_FILE
- static char THIS_FILE[]=__FILE__;
- #define new DEBUG_NEW
- #endif
- //////////////////////////////////////////////////////////////////////
- // CStringEx
- int CStringEx::Find(LPCTSTR lpszSub, int nStartPos) const
- {
- ASSERT(AfxIsValidString(lpszSub, FALSE));
- // find first matching substring
- LPTSTR lpsz = _tcsstr(m_pchData+nStartPos, lpszSub);
- // return -1 for not found, distance from beginning otherwise
- return (lpsz == NULL) ? -1 : (int)(lpsz - m_pchData);
- }
- int CStringEx::FindNoCase(LPCTSTR lpszSub, int nStartPos) const
- {
- CStringEx sLowerThis = *this;
- sLowerThis.MakeLower();
- CStringEx sLowerSub = lpszSub;
- sLowerSub.MakeLower();
- return sLowerThis.Find(sLowerSub, nStartPos);
- }