65 lines
2.6 KiB
Plaintext
65 lines
2.6 KiB
Plaintext
/*
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* Copyright (C) 2005, 2007, 2008, 2011 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#import "config.h"
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#import "WebNSAttributedStringExtras.h"
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#if PLATFORM(IOS_FAMILY)
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#if USE(APPLE_INTERNAL_SDK)
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#import <UIKit/NSTextAttachment.h>
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#else
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enum {
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NSAttachmentCharacter = 0xfffc /* To denote attachments. */
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};
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#endif
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#endif
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namespace WebCore {
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NSAttributedString *attributedStringByStrippingAttachmentCharacters(NSAttributedString *attributedString)
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{
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NSRange attachmentRange;
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NSString *originalString = [attributedString string];
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static auto attachmentCharString = makeNeverDestroyed([] {
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unichar chars[2] = { NSAttachmentCharacter, 0 };
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return adoptNS([[NSString alloc] initWithCharacters:chars length:1]);
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}());
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attachmentRange = [originalString rangeOfString:attachmentCharString.get().get()];
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if (attachmentRange.location != NSNotFound && attachmentRange.length > 0) {
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auto newAttributedString = adoptNS([attributedString mutableCopyWithZone:NULL]);
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while (attachmentRange.location != NSNotFound && attachmentRange.length > 0) {
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[newAttributedString replaceCharactersInRange:attachmentRange withString:@""];
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attachmentRange = [[newAttributedString string] rangeOfString:attachmentCharString.get().get()];
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}
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return newAttributedString.autorelease();
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}
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return attributedString;
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}
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}
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