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86 lines
2.1 KiB
86 lines
2.1 KiB
/*****************************************************************/
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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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strcspn.cxx
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NLS/DBCS-aware string class: strcspn method
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This file contains the implementation of the strcspn 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::strcspn
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SYNOPSIS: Set membership. Finds the first matching character
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in the passed string
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ENTRY: pistrPos - destination for results
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nls - set of sought characters
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EXIT: *pistrPos contains offset within "this" of element
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found (assuming it was successful); otherwise it
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is moved to the end of the string.
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RETURNS: TRUE if any character found; FALSE otherwise
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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 strings; simplified CheckIstr
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********************************************************************/
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BOOL NLS_STR::strcspn( 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( ::strcspnf( QueryPch(), nls.QueryPch() ) );
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return *QueryPch( *pistrPos ) != '\0';
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}
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BOOL NLS_STR::strcspn( ISTR * pistrPos, 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( *pistrPos );
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CheckIstr( istrStart );
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pistrPos->SetIB( ::strcspnf( 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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