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authorFabian Guerra Soto <fabian.guerra@mapbox.com>2018-04-12 17:43:01 -0400
committerGitHub <noreply@github.com>2018-04-12 17:43:01 -0400
commit23f0222fd973956c5508f8ae879d8ce97c1b09c0 (patch)
tree0221cc9d5f9649eed1bc47315292a9be74c54f92 /platform/darwin/src/NSPredicate+MGLAdditions.mm
parentbe3fc4413ab2e553c7957721bc3a7a03d414cd64 (diff)
downloadqtlocation-mapboxgl-23f0222fd973956c5508f8ae879d8ce97c1b09c0.tar.gz
[ios, macos] Add predicate like expressions to NSExpression (#11632)
* [ios, macos] Add NSPredicate between function. * [ios, macos] Add NSPredicate 'IN' expression filter support . * [ios, macos] Add NSPredicate 'CONTAINS' expression filter support. * [ios, macos] Refactor NSPredicate operators. * [ios, macos] Simplify NSPredicate's expression conversion code. * [ios, macos] Make 'match' the default predicate conversion option.
Diffstat (limited to 'platform/darwin/src/NSPredicate+MGLAdditions.mm')
-rw-r--r--platform/darwin/src/NSPredicate+MGLAdditions.mm49
1 files changed, 45 insertions, 4 deletions
diff --git a/platform/darwin/src/NSPredicate+MGLAdditions.mm b/platform/darwin/src/NSPredicate+MGLAdditions.mm
index 8fe5735bf9..ed48c794aa 100644
--- a/platform/darwin/src/NSPredicate+MGLAdditions.mm
+++ b/platform/darwin/src/NSPredicate+MGLAdditions.mm
@@ -280,7 +280,7 @@ NSArray *MGLSubpredicatesWithJSONObjects(NSArray *objects) {
}
if ([op isEqualToString:@">="]) {
NSArray *subexpressions = MGLSubexpressionsWithJSONObjects([objects subarrayWithRange:NSMakeRange(1, objects.count - 1)]);
- return [NSPredicate predicateWithFormat:@"%K >= %@" argumentArray:subexpressions];
+ return [NSPredicate predicateWithFormat:@"%@ >= %@" argumentArray:subexpressions];
}
if ([op isEqualToString:@"!"]) {
NSArray *subpredicates = MGLSubpredicatesWithJSONObjects([objects subarrayWithRange:NSMakeRange(1, objects.count - 1)]);
@@ -294,7 +294,43 @@ NSArray *MGLSubpredicatesWithJSONObjects(NSArray *objects) {
return [NSPredicate predicateWithValue:YES];
}
if ([op isEqualToString:@"all"]) {
- NSArray *subpredicates = MGLSubpredicatesWithJSONObjects([objects subarrayWithRange:NSMakeRange(1, objects.count - 1)]);
+ NSArray<NSPredicate *> *subpredicates = MGLSubpredicatesWithJSONObjects([objects subarrayWithRange:NSMakeRange(1, objects.count - 1)]);
+ if (subpredicates.count == 2) {
+ // Determine if the expression is of BETWEEN type
+ if ([subpredicates[0] isKindOfClass:[NSComparisonPredicate class]] &&
+ [subpredicates[1] isKindOfClass:[NSComparisonPredicate class]]) {
+ NSComparisonPredicate *leftCondition = (NSComparisonPredicate *)subpredicates[0];
+ NSComparisonPredicate *rightCondition = (NSComparisonPredicate *)subpredicates[1];
+
+ NSArray *limits;
+ NSExpression *leftConditionExpression;
+
+ if(leftCondition.predicateOperatorType == NSGreaterThanOrEqualToPredicateOperatorType &&
+ rightCondition.predicateOperatorType == NSLessThanOrEqualToPredicateOperatorType) {
+ limits = @[leftCondition.rightExpression, rightCondition.rightExpression];
+ leftConditionExpression = leftCondition.leftExpression;
+
+ } else if (leftCondition.predicateOperatorType == NSLessThanOrEqualToPredicateOperatorType &&
+ rightCondition.predicateOperatorType == NSLessThanOrEqualToPredicateOperatorType) {
+ limits = @[leftCondition.leftExpression, rightCondition.rightExpression];
+ leftConditionExpression = leftCondition.rightExpression;
+
+ } else if(leftCondition.predicateOperatorType == NSLessThanOrEqualToPredicateOperatorType &&
+ rightCondition.predicateOperatorType == NSGreaterThanOrEqualToPredicateOperatorType) {
+ limits = @[leftCondition.leftExpression, rightCondition.leftExpression];
+ leftConditionExpression = leftCondition.rightExpression;
+
+ } else if(leftCondition.predicateOperatorType == NSGreaterThanOrEqualToPredicateOperatorType &&
+ rightCondition.predicateOperatorType == NSGreaterThanOrEqualToPredicateOperatorType) {
+ limits = @[leftCondition.rightExpression, rightCondition.leftExpression];
+ leftConditionExpression = leftCondition.leftExpression;
+ }
+
+ if (limits && leftConditionExpression) {
+ return [NSPredicate predicateWithFormat:@"%@ BETWEEN %@", leftConditionExpression, [NSExpression expressionForAggregate:limits]];
+ }
+ }
+ }
return [NSCompoundPredicate andPredicateWithSubpredicates:subpredicates];
}
if ([op isEqualToString:@"any"]) {
@@ -302,8 +338,13 @@ NSArray *MGLSubpredicatesWithJSONObjects(NSArray *objects) {
return [NSCompoundPredicate orPredicateWithSubpredicates:subpredicates];
}
- NSAssert(NO, @"Unrecognized expression conditional operator %@.", op);
- return nil;
+ NSExpression *expression = [NSExpression expressionWithMGLJSONObject:object];
+ return [NSComparisonPredicate predicateWithLeftExpression:expression
+ rightExpression:[NSExpression expressionForConstantValue:@YES]
+ modifier:NSDirectPredicateModifier
+ type:NSEqualToPredicateOperatorType
+ options:0];
+
}
- (id)mgl_jsonExpressionObject {