first commit

build/node_modules/htmlparser2/lib/FeedHandler.js

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+var index = require("./index.js"),
+    DomHandler = index.DomHandler,
+	DomUtils = index.DomUtils;
+
+//TODO: make this a streamable handler
+function FeedHandler(callback, options){
+	this.init(callback, options);
+}
+
+require("util").inherits(FeedHandler, DomHandler);
+
+FeedHandler.prototype.init = DomHandler;
+
+function getElements(what, where){
+	return DomUtils.getElementsByTagName(what, where, true);
+}
+function getOneElement(what, where){
+	return DomUtils.getElementsByTagName(what, where, true, 1)[0];
+}
+function fetch(what, where, recurse){
+	return DomUtils.getText(
+		DomUtils.getElementsByTagName(what, where, recurse, 1)
+	).trim();
+}
+
+function addConditionally(obj, prop, what, where, recurse){
+	var tmp = fetch(what, where, recurse);
+	if(tmp) obj[prop] = tmp;
+}
+
+var isValidFeed = function(value){
+	return value === "rss" || value === "feed" || value === "rdf:RDF";
+};
+
+FeedHandler.prototype.onend = function(){
+	var feed = {},
+		feedRoot = getOneElement(isValidFeed, this.dom),
+		tmp, childs;
+
+	if(feedRoot){
+		if(feedRoot.name === "feed"){
+			childs = feedRoot.children;
+
+			feed.type = "atom";
+			addConditionally(feed, "id", "id", childs);
+			addConditionally(feed, "title", "title", childs);
+			if((tmp = getOneElement("link", childs)) && (tmp = tmp.attribs) && (tmp = tmp.href)) feed.link = tmp;
+			addConditionally(feed, "description", "subtitle", childs);
+			if((tmp = fetch("updated", childs))) feed.updated = new Date(tmp);
+			addConditionally(feed, "author", "email", childs, true);
+
+			feed.items = getElements("entry", childs).map(function(item){
+				var entry = {}, tmp;
+
+				item = item.children;
+
+				addConditionally(entry, "id", "id", item);
+				addConditionally(entry, "title", "title", item);
+				if((tmp = getOneElement("link", item)) && (tmp = tmp.attribs) && (tmp = tmp.href)) entry.link = tmp;
+				if((tmp = fetch("summary", item) || fetch("content", item))) entry.description = tmp;
+				if((tmp = fetch("updated", item))) entry.pubDate = new Date(tmp);
+				return entry;
+			});
+		} else {
+			childs = getOneElement("channel", feedRoot.children).children;
+
+			feed.type = feedRoot.name.substr(0, 3);
+			feed.id = "";
+			addConditionally(feed, "title", "title", childs);
+			addConditionally(feed, "link", "link", childs);
+			addConditionally(feed, "description", "description", childs);
+			if((tmp = fetch("lastBuildDate", childs))) feed.updated = new Date(tmp);
+			addConditionally(feed, "author", "managingEditor", childs, true);
+
+			feed.items = getElements("item", feedRoot.children).map(function(item){
+				var entry = {}, tmp;
+
+				item = item.children;
+
+				addConditionally(entry, "id", "guid", item);
+				addConditionally(entry, "title", "title", item);
+				addConditionally(entry, "link", "link", item);
+				addConditionally(entry, "description", "description", item);
+				if((tmp = fetch("pubDate", item))) entry.pubDate = new Date(tmp);
+				return entry;
+			});
+		}
+	}
+	this.dom = feed;
+	DomHandler.prototype._handleCallback.call(
+		this, feedRoot ? null : Error("couldn't find root of feed")
+	);
+};
+
+module.exports = FeedHandler;