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* [License] Simplify the Texture license to be pure Apache 2 (removing ASDK-Licenses) With permission of the Facebook Open Source team, we are simplifying the Texture license so that clients can rely on the Apache 2 terms that most of Texture is already covered by. This means that code originally forked from AsyncDisplayKit will be re-licensed from "BSD 3-clause + PATENTS v2" to Apache 2 without a PATENTS file. After getting confirmation that the updates to these core files look good, we'll propagate this new license header to all files (in this same PR) and get sign-off from all parties before landing. * [License] Update all Texture source files to be pure Apache 2. * Changelog entry for Apache 2 license update. * Revert "[License] Update all Texture source files to be pure Apache 2." This reverts commit ffa0fbbba9717d871dd16c4b07539f2f8208fc2b. * [License] Update all Texture source files to be pure Apache 2, maintaining copyrights. * [License] Update CONTRIBUTING, README, Podspec & Dangerfile.
66 lines
2.9 KiB
Objective-C
66 lines
2.9 KiB
Objective-C
//
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// ASMutableAttributedStringBuilder.h
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// Texture
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All rights reserved.
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// Changes after 4/13/2017 are: Copyright (c) Pinterest, Inc. All rights reserved.
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// Licensed under Apache 2.0: http://www.apache.org/licenses/LICENSE-2.0
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//
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#import <Foundation/Foundation.h>
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#import <AsyncDisplayKit/ASBaseDefines.h>
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NS_ASSUME_NONNULL_BEGIN
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/*
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* Use this class to compose new attributed strings. You may use the normal
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* attributed string calls on this the same way you would on a normal mutable
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* attributed string, but it coalesces your changes into transactions on the
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* actual string allowing improvements in performance.
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*
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* @discussion This is a use-once and throw away class for each string you make.
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* Since this class is designed for increasing performance, we actually hand
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* back the internally managed mutable attributed string in the
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* `composedAttributedString` call. So once you make that call, any more
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* changes will actually modify the string that was handed back to you in that
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* method.
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*
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* Combination of multiple calls into single attribution is managed through
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* merging of attribute dictionaries over ranges. For best performance, call
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* collections of attributions over a single range together. So for instance,
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* don't call addAttributes for range1, then range2, then range1 again. Group
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* them together so you call addAttributes for both range1 together, and then
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* range2.
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*
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* Also please note that switching between addAttribute and setAttributes in the
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* middle of composition is a bad idea for performance because they have
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* semantically different meanings, and trigger a commit of the pending
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* attributes.
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*
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* Please note that ALL of the standard NSString methods are left unimplemented.
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*/
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AS_SUBCLASSING_RESTRICTED
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@interface ASMutableAttributedStringBuilder : NSMutableAttributedString
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- (instancetype)initWithString:(NSString *)str attributes:(nullable NSDictionary<NSString *, id> *)attrs;
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- (instancetype)initWithAttributedString:(NSAttributedString *)attrStr;
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- (void)replaceCharactersInRange:(NSRange)range withString:(NSString *)str;
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- (void)setAttributes:(nullable NSDictionary<NSString *, id> *)attrs range:(NSRange)range;
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- (void)addAttribute:(NSString *)name value:(id)value range:(NSRange)range;
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- (void)addAttributes:(NSDictionary<NSString *, id> *)attrs range:(NSRange)range;
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- (void)removeAttribute:(NSString *)name range:(NSRange)range;
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- (void)replaceCharactersInRange:(NSRange)range withAttributedString:(NSAttributedString *)attrString;
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- (void)insertAttributedString:(NSAttributedString *)attrString atIndex:(NSUInteger)loc;
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- (void)appendAttributedString:(NSAttributedString *)attrString;
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- (void)deleteCharactersInRange:(NSRange)range;
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- (void)setAttributedString:(NSAttributedString *)attrString;
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- (NSMutableAttributedString *)composedAttributedString;
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@end
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NS_ASSUME_NONNULL_END
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