www.pudn.com > QTADO_src.zip > StringEx.cpp

// 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); 
}