Files
firebase-ios-sdk/FirebaseDatabase/Sources/Core/Utilities/FImmutableTree.h
T

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2.4 KiB
Objective-C

/*
* Copyright 2017 Google
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#import "FImmutableSortedDictionary.h"
#import "FPath.h"
#import "FTuplePathValue.h"
@interface FImmutableTree : NSObject
- (id)initWithValue:(id)aValue;
- (id)initWithValue:(id)aValue
children:(FImmutableSortedDictionary *)childrenMap;
+ (FImmutableTree *)empty;
- (BOOL)isEmpty;
- (FTuplePathValue *)findRootMostMatchingPath:(FPath *)relativePath
predicate:(BOOL (^)(id))predicate;
- (FTuplePathValue *)findRootMostValueAndPath:(FPath *)relativePath;
- (FImmutableTree *)subtreeAtPath:(FPath *)relativePath;
- (FImmutableTree *)setValue:(id)newValue atPath:(FPath *)relativePath;
- (FImmutableTree *)removeValueAtPath:(FPath *)relativePath;
- (id)valueAtPath:(FPath *)relativePath;
- (id)rootMostValueOnPath:(FPath *)path;
- (id)rootMostValueOnPath:(FPath *)path matching:(BOOL (^)(id))predicate;
- (id)leafMostValueOnPath:(FPath *)path;
- (id)leafMostValueOnPath:(FPath *)relativePath
matching:(BOOL (^)(id))predicate;
- (BOOL)containsValueMatching:(BOOL (^)(id))predicate;
- (FImmutableTree *)setTree:(FImmutableTree *)newTree
atPath:(FPath *)relativePath;
- (id)foldWithBlock:(id (^)(FPath *path, id value,
NSDictionary *foldedChildren))block;
- (id)findOnPath:(FPath *)path
andApplyBlock:(id (^)(FPath *path, id value))block;
- (FPath *)forEachOnPath:(FPath *)path
whileBlock:(BOOL (^)(FPath *path, id value))block;
- (FImmutableTree *)forEachOnPath:(FPath *)path
performBlock:(void (^)(FPath *path, id value))block;
- (void)forEach:(void (^)(FPath *path, id value))block;
- (void)forEachChild:(void (^)(NSString *childKey, id childValue))block;
@property(nonatomic, strong, readonly) id value;
@property(nonatomic, strong, readonly) FImmutableSortedDictionary *children;
@end