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a0e67a8b15
* Requery subarray count less in ASMultidimensionalArrayUtils * Simplify (gut) ASMultidimensionalArrayUtils * Remove weird change * Add bounds-checking for graceful failure
49 lines
1.7 KiB
Objective-C
49 lines
1.7 KiB
Objective-C
//
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// ASTwoDimensionalArrayUtils.h
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// AsyncDisplayKit
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//
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// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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// This source code is licensed under the BSD-style license found in the
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// LICENSE file in the root directory of this source tree. An additional grant
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// of patent rights can be found in the PATENTS file in the same directory.
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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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* Helper class for operation on two-dimensional array, where the objects of the root array are each arrays
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*/
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ASDISPLAYNODE_EXTERN_C_BEGIN
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/**
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* Deep mutable copy of an array that contains arrays, which contain objects. It will go one level deep into the array to copy.
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* This method is substantially faster than the generalized version, e.g. about 10x faster, so use it whenever it fits the need.
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*/
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extern NSMutableArray<NSMutableArray *> *ASTwoDimensionalArrayDeepMutableCopy(NSArray<NSArray *> *array) AS_WARN_UNUSED_RESULT;
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/**
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* Delete the elements of the mutable two-dimensional array at given index paths – sorted in descending order!
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*/
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extern void ASDeleteElementsInTwoDimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray<NSIndexPath *> *indexPaths);
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/**
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* Return all the index paths of a two-dimensional array, in ascending order.
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*/
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extern NSArray<NSIndexPath *> *ASIndexPathsForTwoDimensionalArray(NSArray<NSArray *>* twoDimensionalArray) AS_WARN_UNUSED_RESULT;
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/**
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* Attempt to get the object at the given index path. Returns @c nil if the index path is out of bounds.
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*/
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extern id _Nullable ASGetElementInTwoDimensionalArray(NSArray<NSArray *> *array, NSIndexPath *indexPath) AS_WARN_UNUSED_RESULT;
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ASDISPLAYNODE_EXTERN_C_END
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NS_ASSUME_NONNULL_END
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