mirror of
https://github.com/Ranchero-Software/NetNewsWire
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103 lines
2.2 KiB
Swift
103 lines
2.2 KiB
Swift
//
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// AtomParser.swift
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// RSParser
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//
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// Created by Brent Simmons on 6/25/17.
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// Copyright © 2017 Ranchero Software, LLC. All rights reserved.
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//
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import Foundation
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import SAX
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import DateParser
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final class AtomParser {
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private var parserData: ParserData
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private var feedURL: String {
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parserData.url
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}
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private var data: Data {
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parserData.data
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}
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private let feed: RSSFeed
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private var articles = [RSSArticle]()
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private var currentArticle: RSSArticle? {
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articles.last
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}
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private var attributesStack = [SAXParser.XMLAttributesDictionary]()
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private var currentAttributes: SAXParser.XMLAttributesDictionary? {
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attributesStack.last
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}
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private var parsingArticle = false
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private var parsingXHTML = false
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private var endFeedFound = false
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static func parsedFeed(with parserData: ParserData) -> RSSFeed {
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let parser = AtomParser(parserData)
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parser.parse()
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return parser.feed
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}
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init(_ parserData: ParserData) {
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self.parserData = parserData
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self.feed = RSSFeed(urlString: parserData.url)
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}
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}
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private extension AtomParser {
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func parse() {
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let saxParser = SAXParser(delegate: self, data: data)
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saxParser.parse()
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feed.articles = articles
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}
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func addArticle() {
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let article = RSSArticle(feedURL)
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articles.append(article)
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}
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}
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extension AtomParser: SAXParserDelegate {
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public func saxParser(_ saxParser: SAXParser, xmlStartElement localName: XMLPointer, prefix: XMLPointer?, uri: XMLPointer?, namespaceCount: Int, namespaces: UnsafePointer<XMLPointer?>?, attributeCount: Int, attributesDefaultedCount: Int, attributes: UnsafePointer<XMLPointer?>?) {
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if endFeedFound {
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return
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}
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let xmlAttributes = saxParser.attributesDictionary(attributes, attributeCount: attributeCount) ?? SAXParser.XMLAttributesDictionary()
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attributesStack.append(xmlAttributes)
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if parsingXHTML {
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// addXHTMLTag(localName)
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return
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}
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// if SAXEqualTags(localName, "entry") {
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// parsingArticle = true
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// addArticle()
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// return
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// }
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}
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public func saxParser(_ saxParser: SAXParser, xmlEndElement localName: XMLPointer, prefix: XMLPointer?, uri: XMLPointer?) {
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}
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public func saxParser(_ saxParser: SAXParser, xmlCharactersFound: XMLPointer, count: Int) {
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// Required method.
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}
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}
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