mirror of
https://github.com/firebase/firebase-ios-sdk
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124 lines
3.2 KiB
Plaintext
124 lines
3.2 KiB
Plaintext
/*
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* Copyright 2017 Google
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#import "Firestore/Source/Model/FSTDocumentKey.h"
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#include <utility>
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#import "Firestore/Source/Core/FSTFirestoreClient.h"
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#import "Firestore/Source/Util/FSTAssert.h"
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#include "Firestore/core/src/firebase/firestore/model/resource_path.h"
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#include "Firestore/core/src/firebase/firestore/util/string_apple.h"
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namespace util = firebase::firestore::util;
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using firebase::firestore::model::ResourcePath;
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NS_ASSUME_NONNULL_BEGIN
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@interface FSTDocumentKey () {
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/** The path to the document. */
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ResourcePath _path;
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}
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@end
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@implementation FSTDocumentKey
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+ (instancetype)keyWithPath:(ResourcePath)path {
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return [[FSTDocumentKey alloc] initWithPath:std::move(path)];
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}
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+ (instancetype)keyWithSegments:(std::initializer_list<std::string>)segments {
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return [FSTDocumentKey keyWithPath:ResourcePath(segments)];
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}
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+ (instancetype)keyWithPathString:(NSString *)resourcePath {
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return [FSTDocumentKey keyWithPath:ResourcePath::FromString(util::MakeStringView(resourcePath))];
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}
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/** Designated initializer. */
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- (instancetype)initWithPath:(ResourcePath)path {
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FSTAssert([FSTDocumentKey isDocumentKey:path], @"invalid document key path: %s",
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path.CanonicalString().c_str());
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if (self = [super init]) {
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_path = path;
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}
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return self;
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}
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- (BOOL)isEqual:(id)object {
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if (self == object) {
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return YES;
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}
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if (![object isKindOfClass:[FSTDocumentKey class]]) {
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return NO;
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}
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return [self isEqualToKey:(FSTDocumentKey *)object];
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}
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- (NSUInteger)hash {
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return _path.Hash();
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}
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- (NSString *)description {
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return [NSString stringWithFormat:@"<FSTDocumentKey: %s>", _path.CanonicalString().c_str()];
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}
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/** Implements NSCopying without actually copying because FSTDocumentKeys are immutable. */
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- (id)copyWithZone:(NSZone *_Nullable)zone {
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return self;
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}
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- (BOOL)isEqualToKey:(FSTDocumentKey *)other {
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return FSTDocumentKeyComparator(self, other) == NSOrderedSame;
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}
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- (NSComparisonResult)compare:(FSTDocumentKey *)other {
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return FSTDocumentKeyComparator(self, other);
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}
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+ (NSComparator)comparator {
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return ^NSComparisonResult(id obj1, id obj2) {
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return [obj1 compare:obj2];
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};
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}
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+ (BOOL)isDocumentKey:(const ResourcePath &)path {
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return path.size() % 2 == 0;
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}
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- (const ResourcePath &)path {
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return _path;
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}
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@end
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const NSComparator FSTDocumentKeyComparator =
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^NSComparisonResult(FSTDocumentKey *key1, FSTDocumentKey *key2) {
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if (key1.path < key2.path) {
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return NSOrderedAscending;
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} else if (key1.path > key2.path) {
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return NSOrderedDescending;
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} else {
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return NSOrderedSame;
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}
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};
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NSString *const kDocumentKeyPath = @"__name__";
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NS_ASSUME_NONNULL_END
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