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170 lines
4.6 KiB
170 lines
4.6 KiB
/* jFeed : jQuery feed parser plugin
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* Copyright (C) 2007 Jean-François Hovinne - http://www.hovinne.com/
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* Dual licensed under the MIT (MIT-license.txt)
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* and GPL (GPL-license.txt) licenses.
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*/
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jQuery.getFeed = function(options) {
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options = jQuery.extend({
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url: null,
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data: null,
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cache: true,
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success: null,
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failure: null,
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error: null,
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global: true
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}, options);
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if (options.url) {
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if (jQuery.isFunction(options.failure) && jQuery.type(options.error)==='null') {
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// Handle legacy failure option
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options.error = function(xhr, msg, e){
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options.failure(msg, e);
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}
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} else if (jQuery.type(options.failure) === jQuery.type(options.error) === 'null') {
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// Default error behavior if failure & error both unspecified
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options.error = function(xhr, msg, e){
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window.console&&console.log('getFeed failed to load feed', xhr, msg, e);
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}
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}
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return $.ajax({
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type: 'GET',
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url: options.url,
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data: options.data,
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cache: options.cache,
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dataType: (jQuery.browser.msie) ? "text" : "xml",
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success: function(xml) {
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var feed = new JFeed(xml);
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if (jQuery.isFunction(options.success)) options.success(feed);
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},
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error: options.error,
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global: options.global
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});
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}
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};
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function JFeed(xml) {
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if (xml) this.parse(xml);
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}
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;
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JFeed.prototype = {
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type: '',
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version: '',
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title: '',
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link: '',
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description: '',
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parse: function(xml) {
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if (jQuery.browser.msie) {
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var xmlDoc = new ActiveXObject("Microsoft.XMLDOM");
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xmlDoc.loadXML(xml);
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xml = xmlDoc;
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}
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if (jQuery('channel', xml).length == 1) {
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this.type = 'rss';
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var feedClass = new JRss(xml);
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} else if (jQuery('feed', xml).length == 1) {
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this.type = 'atom';
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var feedClass = new JAtom(xml);
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}
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if (feedClass) jQuery.extend(this, feedClass);
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}
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};
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function JFeedItem() {};
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JFeedItem.prototype = {
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title: '',
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link: '',
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description: '',
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updated: '',
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id: ''
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};
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function JAtom(xml) {
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this._parse(xml);
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};
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JAtom.prototype = {
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_parse: function(xml) {
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var channel = jQuery('feed', xml).eq(0);
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this.version = '1.0';
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this.title = jQuery(channel).find('title:first').text();
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this.link = jQuery(channel).find('link:first').attr('href');
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this.description = jQuery(channel).find('subtitle:first').text();
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this.language = jQuery(channel).attr('xml:lang');
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this.updated = jQuery(channel).find('updated:first').text();
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this.items = new Array();
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var feed = this;
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jQuery('entry', xml).each( function() {
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var item = new JFeedItem();
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item.title = jQuery(this).find('title').eq(0).text();
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item.link = jQuery(this).find('link').eq(0).attr('href');
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item.description = jQuery(this).find('content').eq(0).text();
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item.updated = jQuery(this).find('updated').eq(0).text();
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item.id = jQuery(this).find('id').eq(0).text();
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feed.items.push(item);
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});
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}
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};
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function JRss(xml) {
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this._parse(xml);
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};
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JRss.prototype = {
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_parse: function(xml) {
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if(jQuery('rss', xml).length == 0) this.version = '1.0';
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else this.version = jQuery('rss', xml).eq(0).attr('version');
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var channel = jQuery('channel', xml).eq(0);
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this.title = jQuery(channel).find('title:first').text();
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this.link = jQuery(channel).find('link:first').text();
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this.description = jQuery(channel).find('description:first').text();
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this.language = jQuery(channel).find('language:first').text();
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this.updated = jQuery(channel).find('lastBuildDate:first').text();
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this.items = new Array();
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var feed = this;
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jQuery('item', xml).each( function() {
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var item = new JFeedItem();
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item.title = jQuery(this).find('title').eq(0).text();
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item.link = jQuery(this).find('link').eq(0).text();
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item.description = jQuery(this).find('description').eq(0).text();
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item.updated = jQuery(this).find('pubDate').eq(0).text();
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item.id = jQuery(this).find('guid').eq(0).text();
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feed.items.push(item);
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});
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}
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};
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