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81 lines
3.4 KiB
Objective-C
81 lines
3.4 KiB
Objective-C
//
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// ASMultidimensionalArrayUtils.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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/**
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* Helper class for operation on multidimensional array, where the object of array may be an object or an array.
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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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* Deep mutable copy of multidimensional array. This is completely generalized and supports copying mixed-depth arrays,
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* where some subarrays might contain both elements and other subarrays. It will recursively do the multiple copy for each subarray.
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*/
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extern NSObject<NSCopying> *ASMultidimensionalArrayDeepMutableCopy(NSObject<NSCopying> *obj) AS_WARN_UNUSED_RESULT;
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/**
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* Insert the elements into the mutable multidimensional array at given index paths.
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*/
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extern void ASInsertElementsIntoMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths, NSArray *elements);
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/**
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* Delete the elements of the mutable multidimensional array at given index paths
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*/
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extern void ASDeleteElementsInMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths);
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/**
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* Find the elements of the mutable multidimensional array at given index paths.
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*/
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extern NSArray *ASFindElementsInMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths) AS_WARN_UNUSED_RESULT;
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/**
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* Return all the index paths of mutable multidimensional array at given index set, in ascending order.
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*/
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extern NSArray *ASIndexPathsForMultidimensionalArrayAtIndexSet(NSArray *multidimensionalArray, NSIndexSet *indexSet) AS_WARN_UNUSED_RESULT;
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/**
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* Moves the object at `sourceIndexPath` to `destinationIndexPath`.
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*/
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extern void ASMoveElementInTwoDimensionalArray(NSMutableArray *mutableArray, NSIndexPath *sourceIndexPath, NSIndexPath *destinationIndexPath);
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/**
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* Return the index paths of the given multidimensional array that are present in the given index paths array.
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*/
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extern NSArray<NSIndexPath *> *ASIndexPathsInMultidimensionalArrayIntersectingIndexPaths(NSArray *multidimensionalArray, NSArray<NSIndexPath *> *indexPaths) AS_WARN_UNUSED_RESULT;
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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 *ASIndexPathsForTwoDimensionalArray(NSArray <NSArray *>* twoDimensionalArray) AS_WARN_UNUSED_RESULT;
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/**
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* Return all the index paths of a multidimensional array, in ascending order.
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*/
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extern NSArray *ASIndexPathsForMultidimensionalArray(NSArray *MultidimensionalArray) 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 ASGetElementInTwoDimensionalArray(NSArray *array, NSIndexPath *indexPath) AS_WARN_UNUSED_RESULT;
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ASDISPLAYNODE_EXTERN_C_END
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