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

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system.verbs.builtins.xml.aggregator.getServicesXml

on getServicesXml (adrdata=xml.aggregator.init (), adrIncludeCallback=nil) {
	<<Changes
		<<4/2/03; 11:31:56 PM by JES
			<<Created. Factored from xml.aggregator.saveServicesXml, this script generates the xml text for the services XML file.
			<<adrCallback is the optional address of a callback script. If supplied, the callback is called with the URL of each service. If the callback returns true, the service is included. If it returns false, it's not included.
	
	local (mySubscriptions);
	new (outlinetype, @mySubscriptions);
	local (oldtarget = target.set (@mySubscriptions));
	
	local (adrservice, atts);
	for adrservice in @adrdata^.services {
		if defined (adrservice^.compilation) {
			local (url = nameof (adrservice^), flcontainspassword = false);
			local (flInclude = true);
			if adrIncludeCallback != nil {
				try {
					while typeOf (adrIncludeCallback^) == addressType {
						adrIncludeCallback = adrIncludeCallback^};
					flInclude = adrIncludeCallback^ (adrservice)}};
			if flInclude {
				bundle { //set flcontainspassword
					try {
						local (urllist = string.urlsplit (url));
						flcontainspassword = urllist [2] contains "@"}};
				if not flcontainspassword {
					try {
						op.insert (adrservice^.compilation.channeltitle, down);
						new (tabletype, @atts);
						atts.type = "rss";
						atts.xmlUrl = url;
						atts.htmlUrl = adrservice^.compilation.channellink;
						atts.title = adrservice^.compilation.channeltitle;
						atts.version = adrservice^.compilation.format;
						atts.description = adrservice^.compilation.channeldescription;
						try {
							atts.language = adrservice^.compilation.language}
						else {
							atts.language = "unknown"}};
					op.attributes.addgroup (@atts)}}}};
	op.firstsummit ();
	op.deleteline ();
	try {target.set (oldtarget)};
	
	settimecreated (@mySubscriptions, timecreated (@adrdata^.services));
	local (xmltext = op.outlineToXml (@mySubscriptions));
	if system.environment.isMac { //02/22/2001 JES: convert to Latin text
		xmltext = latinToMac.macToLatin (xmltext)};
	
	return (xmltext)}
<<bundle //test code
	<<on includeCallback (adr)
		<<return (nameOf (adr^) contains "userland")
	<<wp.newTextObject (getServicesXml (adrIncludeCallback:@includeCallback), @scratchpad.servicesXml)
	<<edit (@scratchpad.servicesXml)

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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.