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#import "NSCompoundPredicate+MGLAdditions.h"
#import "MGLStyleValue_Private.h"
#import "NSPredicate+MGLAdditions.h"
#import "NSExpression+MGLPrivateAdditions.h"
#include <mbgl/style/conversion/property_value.hpp>
@implementation NSCompoundPredicate (MGLAdditions)
- (std::vector<mbgl::style::Filter>)mgl_subfilters
{
std::vector<mbgl::style::Filter>filters;
for (NSPredicate *predicate in self.subpredicates) {
filters.push_back(predicate.mgl_filter);
}
return filters;
}
@end
@implementation NSCompoundPredicate (MGLExpressionAdditions)
- (id)mgl_jsonExpressionObject {
switch (self.compoundPredicateType) {
case NSNotPredicateType: {
NSAssert(self.subpredicates.count <= 1, @"NOT predicate cannot have multiple subpredicates.");
NSPredicate *subpredicate = self.subpredicates.firstObject;
return @[@"!", subpredicate.mgl_jsonExpressionObject];
}
case NSAndPredicateType: {
NSArray *subarrays = [self.subpredicates valueForKeyPath:@"mgl_jsonExpressionObject"];
return [@[@"all"] arrayByAddingObjectsFromArray:subarrays];
}
case NSOrPredicateType: {
NSArray *subarrays = [self.subpredicates valueForKeyPath:@"mgl_jsonExpressionObject"];
return [@[@"any"] arrayByAddingObjectsFromArray:subarrays];
}
}
[NSException raise:@"Compound predicate type not handled"
format:@""];
return nil;
}
@end
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