_WKTextManipulationToken.mm   [plain text]

/*
* Copyright (C) 2019 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/

#import "config.h"
#import "_WKTextManipulationToken.h"

@implementation _WKTextManipulationToken

static BOOL isEqualOrBothNil(id a, id b)
{
if (a == b)
return YES;

return [a isEqual:b];
}

- (BOOL)isEqual:(id)object
{
if (self == object)
return YES;

if (![object isKindOfClass:[self class]])
return NO;

return [self isEqualToTextManipulationToken:object includingContentEquality:YES];
}

- (BOOL)isEqualToTextManipulationToken:(_WKTextManipulationToken *)otherToken includingContentEquality:(BOOL)includingContentEquality
{
if (!otherToken)
return NO;

BOOL equalIdentifiers = isEqualOrBothNil(self.identifier, otherToken.identifier);
BOOL equalExclusion = self.isExcluded == otherToken.isExcluded;
BOOL equalContent = !includingContentEquality || isEqualOrBothNil(self.content, otherToken.content);

return equalIdentifiers && equalExclusion && equalContent;
}

- (NSString *)description
{
return [self _descriptionPreservingPrivacy:YES];
}

- (NSString *)debugDescription
{
return [self _descriptionPreservingPrivacy:NO];
}

- (NSString *)_descriptionPreservingPrivacy:(BOOL)preservePrivacy
{
NSMutableString *description = [NSMutableString stringWithFormat:@"<%@: %p; identifier = %@; isExcluded = %i", self.class, self, self.identifier, self.isExcluded];
if (preservePrivacy)
[description appendFormat:@"; content length = %lu", (unsigned long)self.content.length];
else
[description appendFormat:@"; content = %@", self.content];

[description appendString:@">"];

return [[description copy] autorelease];
}

@end