/*

* Copyright (c) 2014-present, Facebook, Inc.

* All rights reserved.

*

* This source code is licensed under the BSD-style license found in the

* LICENSE file in the root directory of this source tree. An additional grant

* of patent rights can be found in the PATENTS file in the same directory.

*

*/

#import "ASTextKitAttributes.h"

#import "ASEqualityHashHelpers.h"

#include <functional>

NSString *const ASTextKitTruncationAttributeName = @"ck_truncation";

NSString *const ASTextKitEntityAttributeName = @"ck_entity";

size_t ASTextKitAttributes::hash() const

{

NSUInteger subhashes[] = {

[attributedString hash],

[truncationAttributedString hash],

[avoidTailTruncationSet hash],

std::hash<NSUInteger>()((NSUInteger) layoutManagerFactory),

std::hash<NSInteger>()(lineBreakMode),

std::hash<NSInteger>()(maximumNumberOfLines),

[exclusionPaths hash],

std::hash<CGFloat>()(shadowOffset.width),

std::hash<CGFloat>()(shadowOffset.height),

[shadowColor hash],

std::hash<CGFloat>()(shadowOpacity),

std::hash<CGFloat>()(shadowRadius),

};

return ASIntegerArrayHash(subhashes, sizeof(subhashes) / sizeof(subhashes[0]));

}