iska
53 lines
1.2 KiB
Objective-C
53 lines
1.2 KiB
Objective-C
//
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// HTMLRange.h
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// HTMLKit
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//
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// Created by Iska on 20/11/16.
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// Copyright © 2016 BrainCookie. All rights reserved.
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//
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#import "HTMLNode.h"
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/**
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A HTML Range, represents a sequence of content within a node tree.
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Each range has a start and an end which are boundary points.
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A boundary point is a tuple consisting of a node and a non-negative numeric offset.
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https://dom.spec.whatwg.org/#ranges
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*/
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@interface HTMLRange : NSObject
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/**
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The node of the start boundary point.
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*/
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@property (nonatomic, readonly, strong) HTMLNode *startContainer;
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/**
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The offset of the start boundary point.
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*/
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@property (nonatomic, readonly, assign) NSUInteger startOffset;
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/**
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The node of the end boundary point.
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*/
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@property (nonatomic, readonly, strong) HTMLNode *endContainer;
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/**
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The offset of the end boundary point.
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*/
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@property (nonatomic, readonly, assign) NSUInteger endOffset;
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/**
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Checks whether the range is collapsed, i.e. if start is the same as end.
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@return `YES` if the range is collapsed, `NO` otherwise.
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*/
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@property (nonatomic, readonly, assign, getter=isCollapsed) BOOL collapsed;
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/**
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The common container node that contains both start and end nodes.
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*/
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@property (nonatomic, readonly, weak) HTMLNode *commonAncestorContainer;
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@end
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