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#import "Firestore/third_party/Immutable/FSTImmutableSortedDictionary.h"
#import "Firestore/third_party/Immutable/FSTArraySortedDictionary.h"
#import "Firestore/Source/Util/FSTClasses.h"
#import "Firestore/third_party/Immutable/FSTTreeSortedDictionary.h"
NS_ASSUME_NONNULL_BEGIN
const int kSortedDictionaryArrayToRBTreeSizeThreshold = 25;
@implementation FSTImmutableSortedDictionary
+ (FSTImmutableSortedDictionary *)dictionaryWithComparator:(NSComparator)comparator {
return [[FSTArraySortedDictionary alloc] initWithComparator:comparator];
}
+ (FSTImmutableSortedDictionary *)dictionaryWithDictionary:(NSDictionary *)dictionary
comparator:(NSComparator)comparator {
if (dictionary.count <= kSortedDictionaryArrayToRBTreeSizeThreshold) {
return [FSTArraySortedDictionary dictionaryWithDictionary:dictionary comparator:comparator];
} else {
return [FSTTreeSortedDictionary dictionaryWithDictionary:dictionary comparator:comparator];
}
}
- (FSTImmutableSortedDictionary *)dictionaryBySettingObject:(id)aValue forKey:(id)aKey {
@throw FSTAbstractMethodException(); // NOLINT
}
- (FSTImmutableSortedDictionary *)dictionaryByRemovingObjectForKey:(id)aKey {
@throw FSTAbstractMethodException(); // NOLINT
}
- (BOOL)isEqual:(id)object {
if (![object isKindOfClass:[FSTImmutableSortedDictionary class]]) {
return NO;
}
// TODO(klimt): We could make this more efficient if we put the comparison inside the
// implementations and short-circuit if they share the same tree node, for instance.
FSTImmutableSortedDictionary *other = (FSTImmutableSortedDictionary *)object;
if (self.count != other.count) {
return NO;
}
__block BOOL isEqual = YES;
[self enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL *stop) {
id otherValue = [other objectForKey:key];
isEqual = isEqual && (value == otherValue || [value isEqual:otherValue]);
*stop = !isEqual;
}];
return isEqual;
}
- (NSUInteger)hash {
__block NSUInteger hash = 0;
[self enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL *stop) {
hash = (hash * 31 + [key hash]) * 17 + [value hash];
}];
return hash;
}
- (NSString *)description {
NSMutableString *str = [[NSMutableString alloc] init];
__block BOOL first = YES;
[str appendString:@"{ "];
[self enumerateKeysAndObjectsUsingBlock:^(id key, id value, BOOL *stop) {
if (!first) {
[str appendString:@", "];
}
first = NO;
[str appendString:[NSString stringWithFormat:@"%@: %@", key, value]];
}];
[str appendString:@" }"];
return str;
}
- (nullable id)objectForKey:(id)key {
@throw FSTAbstractMethodException(); // NOLINT
}
- (id)objectForKeyedSubscript:(id)key {
return [self objectForKey:key];
}
- (NSUInteger)indexOfKey:(id)key {
@throw FSTAbstractMethodException(); // NOLINT
}
- (BOOL)isEmpty {
@throw FSTAbstractMethodException(); // NOLINT
}
- (NSUInteger)count {
@throw FSTAbstractMethodException(); // NOLINT
}
- (id)minKey {
@throw FSTAbstractMethodException(); // NOLINT
}
- (id)maxKey {
@throw FSTAbstractMethodException(); // NOLINT
}
- (void)enumerateKeysAndObjectsUsingBlock:(void (^)(id, id, BOOL *))block {
@throw FSTAbstractMethodException(); // NOLINT
}
- (void)enumerateKeysAndObjectsReverse:(BOOL)reverse usingBlock:(void (^)(id, id, BOOL *))block {
@throw FSTAbstractMethodException(); // NOLINT
}
- (BOOL)containsKey:(id)key {
@throw FSTAbstractMethodException(); // NOLINT
}
- (NSEnumerator *)keyEnumerator {
@throw FSTAbstractMethodException(); // NOLINT
}
- (NSEnumerator *)keyEnumeratorFrom:(id)startKey {
@throw FSTAbstractMethodException(); // NOLINT
}
- (NSEnumerator *)keyEnumeratorFrom:(id)startKey to:(nullable id)endKey {
@throw FSTAbstractMethodException(); // NOLINT
}
- (NSEnumerator *)reverseKeyEnumerator {
@throw FSTAbstractMethodException(); // NOLINT
}
- (NSEnumerator *)reverseKeyEnumeratorFrom:(id)startKey {
@throw FSTAbstractMethodException(); // NOLINT
}
@end
NS_ASSUME_NONNULL_END
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