Swiftgram/AsyncDisplayKit/Private/ASMultidimensionalArrayUtils.h

64 lines
2.5 KiB
Objective-C

/* 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 <Foundation/Foundation.h>
#import <AsyncDisplayKit/ASBaseDefines.h>
/**
* Helper class for operation on multidimensional array, where the object of array may be an object or an array.
*/
ASDISPLAYNODE_EXTERN_C_BEGIN
/**
* Deep mutable copy of an array that contains arrays, which contain objects. It will go one level deep into the array to copy.
* This method is substantially faster than the generalized version, e.g. about 10x faster, so use it whenever it fits the need.
*/
extern NSMutableArray<NSMutableArray *> *ASTwoDimensionalArrayDeepMutableCopy(NSArray<NSArray *> *array);
/**
* Deep mutable copy of multidimensional array. This is completely generalized and supports copying mixed-depth arrays,
* where some subarrays might contain both elements and other subarrays. It will recursively do the multiple copy for each subarray.
*/
extern NSObject<NSCopying> *ASMultidimensionalArrayDeepMutableCopy(NSObject<NSCopying> *obj);
/**
* Insert the elements into the mutable multidimensional array at given index paths.
*/
extern void ASInsertElementsIntoMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths, NSArray *elements);
/**
* Delete the elements of the mutable multidimensional array at given index paths
*/
extern void ASDeleteElementsInMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths);
/**
* Find the elements of the mutable multidimensional array at given index paths.
*/
extern NSArray *ASFindElementsInMultidimensionalArrayAtIndexPaths(NSMutableArray *mutableArray, NSArray *indexPaths);
/**
* Return all the index paths of mutable multidimensional array at given index set, in ascending order.
*/
extern NSArray *ASIndexPathsForMultidimensionalArrayAtIndexSet(NSArray *MultidimensionalArray, NSIndexSet *indexSet);
/**
* Return all the index paths of a two-dimensional array, in ascending order.
*/
extern NSArray *ASIndexPathsForTwoDimensionalArray(NSArray <NSArray *>* twoDimensionalArray);
/**
* Return all the index paths of a multidimensional array, in ascending order.
*/
extern NSArray *ASIndexPathsForMultidimensionalArray(NSArray *MultidimensionalArray);
ASDISPLAYNODE_EXTERN_C_END