/* * LumaQQ - Cross platform QQ client, special edition for Mac * * Copyright (C) 2007 luma <stubma@163.com> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */#import "NSString-Filter.h"@implementation NSString (Filter)- (NSString*)filterByte:(UniChar)byte {	NSString* s = [NSString stringWithCharacters:&byte length:1];	NSRange range = [self rangeOfString:s];	if(range.location == NSNotFound) 		return self;	else {		NSMutableString* copy = [self mutableCopy];		[copy replaceOccurrencesOfString:s							  withString:@" "								 options:0								   range:NSMakeRange(0, [self length])];		return copy;	}}- (NSString*)normalize {	NSString* ret = [self stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];	ret = [ret filterByte:NSNewlineCharacter];	ret = [ret filterByte:NSCarriageReturnCharacter];	return ret;}@end