60760b8b3d
- Combined MPExpression and MPMutableExpression - Abstracted children of MPExpression into MPExpressionElement protocol - Abstracted most of MPExpressionLayout and MPFunctionLayout into common superclass MPLayout
52 lines
1.3 KiB
Objective-C
52 lines
1.3 KiB
Objective-C
//
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// MPRange.h
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// MathPad
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//
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// Created by Kim Wittenburg on 18.04.14.
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// Copyright (c) 2014 Kim Wittenburg. All rights reserved.
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//
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@import Foundation;
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#import "MPExpression.h"
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@class MPRangePath, MPExpression;
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@interface MPRangePath : NSObject <NSCopying, NSCoding>
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#pragma mark Creation Methods
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- (instancetype)init;
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- (instancetype)initWithLocation:(NSIndexPath *)location
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length:(NSUInteger)length;
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- (instancetype)initWithRange:(NSRange)aRange;
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+ (instancetype)emptyRangePath;
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+ (instancetype)rangePathWithLocation:(NSIndexPath *)location
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length:(NSUInteger)length;
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+ (instancetype)rangePathWithRange:(NSRange)aRange;
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#pragma mark Properties
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@property (nonatomic, strong) NSIndexPath *location;
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@property (nonatomic) NSUInteger length;
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- (NSIndexPath *)maxRangePath;
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- (NSRange)rangeAtLastIndex;
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#pragma mark Working with Ranges
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- (BOOL)containsRangePath:(MPRangePath *)aRangePath;
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- (BOOL)containsLocation:(NSIndexPath *)location;
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- (BOOL)isEqual:(id)object;
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- (BOOL)isEqualToRangePath:(MPRangePath *)aRangePath;
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@end
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@interface MPExpression (MPRangeExtension)
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- (MPExpression *)subexpressionWithRangePath:(MPRangePath *)aRangePath; // If location points to expression (in function) nil is returned
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@end
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