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- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla Public License Version
- * 1.1 (the "License"); you may not use this file except in compliance with
- * the License. You may obtain a copy of the License at
- * http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS IS" basis,
- * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
- * for the specific language governing rights and limitations under the
- * License.
- *
- * The Original Code is Chimera code.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corporation.
- * Portions created by the Initial Developer are Copyright (C) 2002
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Simon Fraser <sfraser@netscape.com>
- * David Haas <haasd@cae.wisc.edu>
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
- #import <AppKit/AppKit.h> // for NSStringDrawing.h
- #import "NSString+Utils.h"
- #include "url/gurl.h"
- @implementation NSString (ChimeraStringUtils)
- - (BOOL)hasCaseInsensitivePrefix:(NSString*)inString
- {
- if ([self length] < [inString length])
- return NO;
- return ([self compare:inString options:NSCaseInsensitiveSearch range:NSMakeRange(0, [inString length])] == NSOrderedSame);
- }
- - (BOOL)isLooselyValidatedURI
- {
- return ([self hasCaseInsensitivePrefix:@"javascript:"] || [self hasCaseInsensitivePrefix:@"data:"]);
- }
- - (BOOL)isValidURI
- {
- // isValid() will only be true for valid, well-formed URI strings
- GURL testURL([self UTF8String]);
- // |javascript:| and |data:| URIs might not have passed the test,
- // but spaces will work OK, so evaluate them separately.
- if (testURL.is_valid() || [self isLooselyValidatedURI]) {
- return YES;
- }
- return NO;
- }
- - (NSString *)stringByRemovingCharactersInSet:(NSCharacterSet*)characterSet
- {
- NSScanner* cleanerScanner = [NSScanner scannerWithString:self];
- NSMutableString* cleanString = [NSMutableString stringWithCapacity:[self length]];
- // Make sure we don't skip whitespace, which NSScanner does by default
- [cleanerScanner setCharactersToBeSkipped:[NSCharacterSet characterSetWithCharactersInString:@""]];
- while (![cleanerScanner isAtEnd]) {
- NSString* stringFragment;
- if ([cleanerScanner scanUpToCharactersFromSet:characterSet intoString:&stringFragment])
- [cleanString appendString:stringFragment];
- [cleanerScanner scanCharactersFromSet:characterSet intoString:nil];
- }
- return cleanString;
- }
- - (NSString *)stringByTrimmingWhitespace
- {
- return [self stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceCharacterSet]];
- }
- @end
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