mirror of
https://github.com/Ranchero-Software/NetNewsWire.git
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183 lines
6.3 KiB
Swift
183 lines
6.3 KiB
Swift
////
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//// RSSInJSONParser.swift
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//// RSParser
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////
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//// Created by Brent Simmons on 6/24/17.
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//// Copyright © 2017 Ranchero Software, LLC. All rights reserved.
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////
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//
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//import Foundation
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//import SAX
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//
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//// See https://github.com/scripting/Scripting-News/blob/master/rss-in-json/README.md
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//// Also: http://cyber.harvard.edu/rss/rss.html
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//
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//public struct RSSInJSONParser {
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//
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// public static func parse(_ parserData: ParserData) throws -> ParsedFeed? {
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//
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// do {
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// guard let parsedObject = try JSONSerialization.jsonObject(with: parserData.data) as? JSONDictionary else {
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// throw FeedParserError(.invalidJSON)
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// }
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// guard let rssObject = parsedObject["rss"] as? JSONDictionary else {
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// throw FeedParserError(.rssChannelNotFound)
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// }
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// guard let channelObject = rssObject["channel"] as? JSONDictionary else {
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// throw FeedParserError(.rssChannelNotFound)
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// }
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//
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// // I’d bet money that in practice the items array won’t always appear correctly inside the channel object.
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// // I’d also bet that sometimes it gets called "items" instead of "item".
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// var itemsObject = channelObject["item"] as? JSONArray
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// if itemsObject == nil {
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// itemsObject = parsedObject["item"] as? JSONArray
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// }
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// if itemsObject == nil {
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// itemsObject = channelObject["items"] as? JSONArray
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// }
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// if itemsObject == nil {
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// itemsObject = parsedObject["items"] as? JSONArray
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// }
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// if itemsObject == nil {
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// throw FeedParserError(.rssItemsNotFound)
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// }
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//
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// let title = channelObject["title"] as? String
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// let homePageURL = channelObject["link"] as? String
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// let feedURL = parserData.url
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// let feedDescription = channelObject["description"] as? String
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// let feedLanguage = channelObject["language"] as? String
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//
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// let items = parseItems(itemsObject!, parserData.url)
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//
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// return ParsedFeed(type: .rssInJSON, title: title, homePageURL: homePageURL, feedURL: feedURL, language: feedLanguage, feedDescription: feedDescription, nextURL: nil, iconURL: nil, faviconURL: nil, authors: nil, expired: false, hubs: nil, items: items)
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//
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// }
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// catch { throw error }
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// }
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//}
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//
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//private extension RSSInJSONParser {
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//
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// static func parseItems(_ itemsObject: JSONArray, _ feedURL: String) -> Set<ParsedItem> {
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//
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// return Set(itemsObject.compactMap{ (oneItemDictionary) -> ParsedItem? in
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//
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// return parsedItemWithDictionary(oneItemDictionary, feedURL)
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// })
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// }
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//
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// static func parsedItemWithDictionary(_ itemDictionary: JSONDictionary, _ feedURL: String) -> ParsedItem? {
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//
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// let externalURL = itemDictionary["link"] as? String
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// let title = itemDictionary["title"] as? String
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//
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// var contentHTML = itemDictionary["description"] as? String
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// var contentText: String? = nil
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// if contentHTML != nil && !(contentHTML!.contains("<")) {
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// contentText = contentHTML
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// contentHTML = nil
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// }
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// if contentHTML == nil && contentText == nil && title == nil {
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// return nil
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// }
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//
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// var datePublished: Date? = nil
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// if let datePublishedString = itemDictionary["pubDate"] as? String {
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// datePublished = RSDateWithString(datePublishedString)
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// }
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//
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// let authors = parseAuthors(itemDictionary)
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// let tags = parseTags(itemDictionary)
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// let attachments = parseAttachments(itemDictionary)
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//
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// var uniqueID: String? = itemDictionary["guid"] as? String
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// if uniqueID == nil {
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//
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// // Calculate a uniqueID based on a combination of non-empty elements. Then hash the result.
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// // Items should have guids. When they don't, re-runs are very likely
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// // because there's no other 100% reliable way to determine identity.
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// // This calculated uniqueID is valid only for this particular feed. (Just like ids in JSON Feed.)
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//
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// var s = ""
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// if let datePublished = datePublished {
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// s += "\(datePublished.timeIntervalSince1970)"
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// }
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// if let title = title {
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// s += title
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// }
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// if let externalURL = externalURL {
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// s += externalURL
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// }
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// if let authorEmailAddress = authors?.first?.emailAddress {
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// s += authorEmailAddress
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// }
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// if let oneAttachmentURL = attachments?.first?.url {
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// s += oneAttachmentURL
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// }
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// if s.isEmpty {
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// // Sheesh. Tough case.
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// if let _ = contentHTML {
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// s = contentHTML!
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// }
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// if let _ = contentText {
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// s = contentText!
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// }
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// }
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// uniqueID = (s as NSString).rsparser_md5Hash()
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// }
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//
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// if let uniqueID = uniqueID {
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// return ParsedItem(syncServiceID: nil, uniqueID: uniqueID, feedURL: feedURL, url: nil, externalURL: externalURL, title: title, language: nil, contentHTML: contentHTML, contentText: contentText, summary: nil, imageURL: nil, bannerImageURL: nil, datePublished: datePublished, dateModified: nil, authors: authors, tags: tags, attachments: attachments)
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// }
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// return nil
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// }
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//
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// static func parseAuthors(_ itemDictionary: JSONDictionary) -> Set<ParsedAuthor>? {
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//
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// guard let authorEmailAddress = itemDictionary["author"] as? String else {
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// return nil
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// }
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// let parsedAuthor = ParsedAuthor(name: nil, url: nil, avatarURL: nil, emailAddress: authorEmailAddress)
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// return Set([parsedAuthor])
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// }
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//
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// static func parseTags(_ itemDictionary: JSONDictionary) -> Set<String>? {
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//
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// if let categoryObject = itemDictionary["category"] as? JSONDictionary {
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// if let oneTag = categoryObject["#value"] as? String {
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// return Set([oneTag])
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// }
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// return nil
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// }
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// else if let categoryArray = itemDictionary["category"] as? JSONArray {
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// return Set(categoryArray.compactMap{ $0["#value"] as? String })
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// }
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// return nil
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// }
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//
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// static func parseAttachments(_ itemDictionary: JSONDictionary) -> Set<ParsedAttachment>? {
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//
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// guard let enclosureObject = itemDictionary["enclosure"] as? JSONDictionary else {
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// return nil
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// }
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// guard let attachmentURL = enclosureObject["url"] as? String else {
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// return nil
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// }
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//
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// var attachmentSize = enclosureObject["length"] as? Int
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// if attachmentSize == nil {
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// if let attachmentSizeString = enclosureObject["length"] as? String {
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// attachmentSize = (attachmentSizeString as NSString).integerValue
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// }
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// }
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//
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// let type = enclosureObject["type"] as? String
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// if let attachment = ParsedAttachment(url: attachmentURL, mimeType: type, title: nil, sizeInBytes: attachmentSize, durationInSeconds: nil) {
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// return Set([attachment])
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// }
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// return nil
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// }
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//}
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