70 lines
2.7 KiB
Mathematica
70 lines
2.7 KiB
Mathematica
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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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.
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*/
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#import "NSPredicate+FBFormat.h"
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#import "NSExpression+FBFormat.h"
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#import "FBXCElementSnapshotWrapper+Helpers.h"
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@implementation NSPredicate (FBFormat)
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+ (instancetype)fb_predicateWithPredicate:(NSPredicate *)original
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comparisonModifier:(NSPredicate *(^)(NSComparisonPredicate *))comparisonModifier
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{
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if ([original isKindOfClass:NSCompoundPredicate.class]) {
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NSCompoundPredicate *compPred = (NSCompoundPredicate *)original;
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NSMutableArray *predicates = [NSMutableArray array];
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for (NSPredicate *predicate in [compPred subpredicates]) {
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NSPredicate *newPredicate = [self.class fb_predicateWithPredicate:predicate
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comparisonModifier:comparisonModifier];
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if (nil != newPredicate) {
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[predicates addObject:newPredicate];
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}
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}
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return [[NSCompoundPredicate alloc] initWithType:compPred.compoundPredicateType
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subpredicates:predicates];
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}
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if ([original isKindOfClass:NSComparisonPredicate.class]) {
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return comparisonModifier((NSComparisonPredicate *)original);
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}
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return original;
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}
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+ (instancetype)fb_formatSearchPredicate:(NSPredicate *)input
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{
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return [self.class fb_predicateWithPredicate:input
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comparisonModifier:^NSPredicate *(NSComparisonPredicate *cp) {
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NSExpression *left = [NSExpression fb_wdExpressionWithExpression:[cp leftExpression]];
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NSExpression *right = [NSExpression fb_wdExpressionWithExpression:[cp rightExpression]];
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return [NSComparisonPredicate predicateWithLeftExpression:left
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rightExpression:right
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modifier:cp.comparisonPredicateModifier
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type:cp.predicateOperatorType
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options:cp.options];
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}];
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}
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+ (instancetype)fb_snapshotBlockPredicateWithPredicate:(NSPredicate *)input
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{
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if ([NSStringFromClass(input.class) isEqualToString:@"NSBlockPredicate"]) {
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return input;
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}
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NSPredicate *wdPredicate = [self.class fb_formatSearchPredicate:input];
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return [NSPredicate predicateWithBlock:^BOOL(id evaluatedObject,
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NSDictionary<NSString *,id> * _Nullable bindings) {
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@autoreleasepool {
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FBXCElementSnapshotWrapper *wrappedSnapshot = [FBXCElementSnapshotWrapper ensureWrapped:evaluatedObject];
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return [wdPredicate evaluateWithObject:wrappedSnapshot];
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}
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}];
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}
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@end
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