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//
// SLDExpressions.h
// SLDTest
//
// Created by Ranen Ghosh on 2016-08-12.
// Copyright 2016-2019 mousebird consulting.
//
#import <Foundation/Foundation.h>
@class DDXMLNode;
@class DDXMLElement;
/** @brief Base class for elements derived from the ogc:expression abstract element.
@see http://schemas.opengis.net/filter/1.1.0/expr.xsd for SLD v1.1.0
@see http://schemas.opengis.net/filter/1.0.0/expr.xsd for SLD v1.0.0
*/
@interface SLDExpression : NSObject
@property (nonatomic, strong) NSExpression * _Nonnull expression;
+ (BOOL)matchesElementNamed:(NSString * _Nonnull)elementName;
+ (SLDExpression * _Nullable)expressionForNode:(DDXMLNode * _Nonnull )node;
@end
/** @brief Class corresponding to the ogc:PropertyName element
@see http://schemas.opengis.net/filter/1.1.0/expr.xsd for SLD v1.1.0
@see http://schemas.opengis.net/filter/1.0.0/expr.xsd for SLD v1.0.0
*/
@interface SLDPropertyNameExpression : SLDExpression
@property (nonatomic, strong) NSString * _Nonnull propertyName;
- (_Nullable id)initWithElement:(DDXMLElement * _Nonnull)element;
@end
/** @brief Class corresponding to the ogc:Literal element
@see http://schemas.opengis.net/filter/1.1.0/expr.xsd for SLD v1.1.0
@see http://schemas.opengis.net/filter/1.0.0/expr.xsd for SLD v1.0.0
*/
@interface SLDLiteralExpression : SLDExpression
@property (nonatomic, strong) id _Nonnull literal;
- (_Nullable id)initWithElement:(DDXMLElement * _Nonnull)element;
@end
/** @brief Class corresponding to the ogc:BinaryOperatorType elements
@see http://schemas.opengis.net/filter/1.1.0/expr.xsd for SLD v1.1.0
@see http://schemas.opengis.net/filter/1.0.0/expr.xsd for SLD v1.0.0
*/
@interface SLDBinaryOperatorExpression : SLDExpression
@property (nonatomic, strong) NSString * _Nonnull elementName;
@property (nonatomic, strong) SLDExpression * _Nonnull leftExpression;
@property (nonatomic, strong) SLDExpression * _Nonnull rightExpression;
- (_Nullable id)initWithElement:(DDXMLElement * _Nonnull)element;
@end
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