addons/firefox-addons/feed-preview: js/feed-parser.js comparison

comparison js/feed-parser.js @ 17:48cabd01ef64

Add support for enclosures in Atom feeds

author	Guido Berhoerster <guido+feed-preview@berhoerster.name>
date	Wed, 12 Dec 2018 22:38:45 +0100
parents	150f07c7595f
children	15db49e77deb

comparison

equal deleted inserted replaced

-:a59d322e5826
+:48cabd01ef64
 return;
 }
 return this.parseAtomTextConstruct(contentElement, false);
 }
+parseAtomEntryFile(enclosureElement) {
+let type;
+let size;
+let url = parseURL(enclosureElement.getAttribute('href'), this.url);
+if (url === null) {
+throw new TypeError('invalid URL in enclosure href attribute');
+}
+let typeAttribute = enclosureElement.getAttribute('type');
+if (typeAttribute !== null) {
+type = typeAttribute;
+}
+let length = parseInt(enclosureElement.getAttribute('length'), 10);
+if (!isNaN(length)) {
+size = length;
+}
+return new FeedEntryFile(url, {type, size});
+}
 parseAtomEntry(entryElement) {
 let title;
 let link;
 let date;
 let content;
+let files = [];
 let titleElement = feedQueryXPath(this.document, entryElement,
 './atom:title');
 if (titleElement !== null) {
 title = this.parseAtomTextConstruct(titleElement);
 }
 if (summaryElement !== null) {
 content = this.parseAtomTextConstruct(summaryElement, false);
 }
 }
-return new FeedEntry({title, link, date, content});
+for (let enclosureElement of feedQueryXPathAll(this.document,
+entryElement, './atom:link[@href][@rel="enclosure"]')) {
+try {
+let entryFile = this.parseAtomEntryFile(enclosureElement);
+files.push(entryFile);
+} catch (e) {
+if (!(e instanceof TypeError)) {
+throw e;
+}
+}
+}
+return new FeedEntry({title, link, date, content, files});
 }
 parseAtomFeed() {
 let title;
 let subtitle;