83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
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/*****************************************************************/
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/** Microsoft Windows for Workgroups **/
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/** Copyright (C) Microsoft Corp., 1991-1992 **/
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/*****************************************************************/
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/*
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strspn.cxx
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NLS/DBCS-aware string class: strspn method
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This file contains the implementation of the strspn method
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for the STRING class. It is separate so that clients of STRING which
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do not use this operator need not link to it.
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FILE HISTORY:
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beng 01/18/91 Separated from original monolithic .cxx
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beng 02/07/91 Uses lmui.hxx
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*/
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#include "npcommon.h"
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extern "C"
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{
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#include <netlib.h>
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}
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#if defined(DEBUG)
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static const CHAR szFileName[] = __FILE__;
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#define _FILENAME_DEFINED_ONCE szFileName
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#endif
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#include <npassert.h>
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#include <npstring.h>
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/*******************************************************************
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NAME: NLS_STR::strspn
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SYNOPSIS: Find first char in *this that is not a char in arg. and puts
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the position in pistrPos.
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Returns FALSE when no characters do not match
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ENTRY:
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EXIT:
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NOTES:
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HISTORY:
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johnl 11/16/90 Written
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beng 07/23/91 Allow on erroneous string; simplified CheckIstr
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********************************************************************/
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BOOL NLS_STR::strspn( ISTR * pistrPos, const NLS_STR & nls ) const
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{
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if (QueryError() || !nls)
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return FALSE;
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UpdateIstr( pistrPos );
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CheckIstr( *pistrPos );
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pistrPos->SetIB( ::strspnf( QueryPch(), nls.QueryPch() ) );
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return *QueryPch( *pistrPos ) != '\0';
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}
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BOOL NLS_STR::strspn( ISTR * pistrPos,
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const NLS_STR & nls,
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const ISTR & istrStart ) const
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{
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if (QueryError() || !nls)
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return FALSE;
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UpdateIstr( pistrPos );
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CheckIstr( istrStart );
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pistrPos->SetIB( ::strspnf(QueryPch( istrStart ), nls.QueryPch() ) +
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istrStart.QueryIB() );
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return *QueryPch( *pistrPos ) != '\0';
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}
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