94 lines
2.5 KiB
Swift
94 lines
2.5 KiB
Swift
//
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// DataNode.swift
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// SwifSoup
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//
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// Created by Nabil Chatbi on 29/09/16.
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// Copyright © 2016 Nabil Chatbi.. All rights reserved.
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//
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import Foundation
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/**
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A data node, for contents of style, script tags etc, where contents should not show in text().
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*/
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open class DataNode : Node{
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private static let DATA_KEY : String = "data";
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/**
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Create a new DataNode.
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@param data data contents
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@param baseUri base URI
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*/
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public init(_ data: String, _ baseUri: String) {
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super.init(baseUri);
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do{
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try attributes?.put(DataNode.DATA_KEY, data);
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}catch{}
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}
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open override func nodeName()->String {
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return "#data";
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}
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/**
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Get the data contents of this node. Will be unescaped and with original new lines, space etc.
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@return data
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*/
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open func getWholeData()->String {
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return attributes!.get(key: DataNode.DATA_KEY)
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}
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/**
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* Set the data contents of this node.
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* @param data unencoded data
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* @return this node, for chaining
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*/
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@discardableResult
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open func setWholeData(_ data: String)->DataNode {
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do{
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try attributes?.put(DataNode.DATA_KEY, data);
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}catch{}
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return self;
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}
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override func outerHtmlHead(_ accum: StringBuilder, _ depth: Int, _ out: OutputSettings)throws {
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accum.append(getWholeData()); // data is not escaped in return from data nodes, so " in script, style is plain
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}
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override func outerHtmlTail(_ accum: StringBuilder, _ depth: Int, _ out: OutputSettings) {}
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open override func toString()throws->String {
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return try outerHtml();
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}
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/**
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Create a new DataNode from HTML encoded data.
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@param encodedData encoded data
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@param baseUri bass URI
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@return new DataNode
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*/
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open static func createFromEncoded(_ encodedData: String, _ baseUri: String)throws->DataNode {
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let data = try Entities.unescape(encodedData);
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return DataNode(data, baseUri);
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}
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public override func copy(with zone: NSZone? = nil) -> Any
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{
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let clone = DataNode(attributes!.get(key: DataNode.DATA_KEY),baseUri!)
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return copy(clone: clone)
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}
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public override func copy(parent: Node?)->Node
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{
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let clone = DataNode(attributes!.get(key: DataNode.DATA_KEY),baseUri!)
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return copy(clone: clone,parent: parent)
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}
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public override func copy(clone: Node, parent: Node?)->Node
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{
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return super.copy(clone: clone,parent: parent)
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}
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}
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