Monday, November 08, 2010 at 12:07 AM.

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system.verbs.builtins.xml.aggregator.rpcHandlers.getSubInfo

on getSubInfo (url, username, password) {
	<<Changes
		<<11/3/02; 5:29:27 PM by JES
			<<Created. Return a struct of information about a subscribed RSS feed. The struct contains the following elements:
				<<title -- the title of the feed
				<<link -- the channel link, usually a link to the HTML version
				<<description -- the description of the feed
				<<url -- the XML-URL of the feed
				<<language -- the language code for the feed, or the empty string
				<<image -- a struct describing the image associated with the feed
					<<url -- the url of the image, or the empty string
					<<title -- the title of the image, or the empty string
					<<height -- the height of the image, or 0
					<<width -- the width of the image, or 0
	xml.aggregator.securityForRpc (client, username, password);
	local (adrdata = xml.aggregator.init ());
	local (adrservices = @adrdata^.services);
	local (adrservice = @adrservices^.[url]);
	local (adrinfo = @adrservice^.compilation);
	local (t); new (tableType, @t); //a struct to return with info about the feed
	bundle { //basic info -- title, link, description, url
		t.title = adrinfo^.channeltitle;
		t.link = adrinfo^.channellink;
		t.description = adrinfo^.channeldescription;
		t.url = nameOf (adrservice^)};
	bundle { //language
		t.language = "";
		if defined (adrinfo^.channellanguage) {
			t.language = adrinfo^.channellanguage}};
	bundle { //image info
		if defined (adrinfo^.imageurl) {
			new (tableType, @t.image);
			t.image.url = "";
			t.image.title = "";
			t.image.height = 0;
			t.image.width = 0;
			try {t.image.url = adrinfo^.imageurl};
			try {t.image.title = adrinfo^.imagetitle};
			try {t.image.height = adrinfo^.imageheight};
			try {t.image.width = adrinfo^.imagewidth}}};
	return (t)}

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This listing is for code that runs in the OPML Editor environment. I created these listings because I wanted the search engines to index it, so that when I want to look up something in my codebase I don't have to use the much slower search functionality in my object database. Dave Winer.