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59 lines
1.8 KiB
Objective-C
59 lines
1.8 KiB
Objective-C
/* ParserFunctions.m
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*
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* Copyright (C) 2005 Free Software Foundation, Inc.
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*
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* Author: Gregory John Casamento <greg_casamento@yahoo.com>
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* Date: Jan 2005
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*
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* This file is part of GNUstep.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <Foundation/Foundation.h>
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#include "ParserFunctions.h"
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BOOL lookAhead(NSString *stringToScan, NSString *stringToFind)
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{
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NSRange range;
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return (NSEqualRanges((range = [stringToScan rangeOfString: stringToFind]),
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NSMakeRange(NSNotFound,0)) == NO);
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}
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BOOL lookAheadForToken(NSString *stringToScan, NSString *stringToFind)
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{
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NSScanner *scanner = [NSScanner scannerWithString: stringToScan];
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NSString *resultString = @""; // [NSString stringWithString: @""];
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[scanner setCharactersToBeSkipped: nil];
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[scanner scanString: stringToFind intoString: &resultString];
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if([resultString isEqualToString: stringToFind])
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{
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NSString *postTokenString = @""; // [NSString stringWithString: @""];
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NSCharacterSet *wsnl = [NSCharacterSet whitespaceAndNewlineCharacterSet];
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[scanner scanCharactersFromSet: wsnl intoString: &postTokenString];
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if([postTokenString length] == 0)
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{
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return NO;
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}
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return YES;
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}
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return NO;
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}
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