os0x (owner)

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gist: 217196 Download_button fork
public
Description:
SITEINFO Server by Opera Unite
Public Clone URL: git://gist.github.com/217196.git
Embed All Files: show embed
server.js #
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/*
 * server.js : public domain
 */
 
var debug = true;
function log(text){
  if (debug) opera.postError(text);
}
 
function httpGet(url, onload, onerror) {
  var xhr = new XMLHttpRequest;
  xhr.open('GET', url, false);
  if (onload) xhr.onload = function(){onload(xhr.responseText)}
  if (onerror) xhr.onerror = function(){onerror()}
  xhr.send(null);
}
 
/* server */
// dispatcher
var webserver = opera.io.webserver;
window.onload = function () {
	if (webserver){
		webserver.addEventListener('_index', index, false);
		webserver.addEventListener('get', get,false);
		getSiteinfo();
	}
}
 
var Siteinfo = [];
var Microformats = [];
var cache = {};
 
// request handler (view)
function get(e) {
	var req = e.connection.request;
	var url = req.getItem('url');
	if (!url) return not_found(e);
	url = url[0];
	if (!url) return not_found(e);
	var info = search_siteinfo(url);
	log(info.map(function(e){return [e.url.toString(), e.nextLink, e.pageElement].join(' , ')}).join('\n'));
	info = info.concat(Microformats);
 
	var res = e.connection.response;
	res.setResponseHeader('Content-type', 'application/javascript; charset=utf-8');
	res.write('window.AutoPagerizeCallbackSiteinfo(' + JSON.stringify(info) + ');');
	res.close();
}
 
function not_found(e) {
  var res = e.connection.response;
  res.setStatus('404', 'Not Found');
  res.close();
}
 
function index(e) {
  var res = e.connection.response;
  res.write('<!DOCTYPE html>'+
    '<title>AutoPagerize SITEINFO Server</title>'+
    '<p>Welcome to AutoPagerize SITEINFO Server</p>');
  res.close();
}
 
// controller
function search_siteinfo(url) {
  if (cache[url]) return cache[url];
  var results = [];
  var n = Siteinfo.length;
  while(--n) {
    var re = Siteinfo[n][0];
    if (re.test(url)) results.push(Siteinfo[n][1]);
  }
  cache[url] = results;
  return results;
}
 
function getSiteinfo() {
	httpGet('http://ss-o.net/json/wedataAutoPagerizeSITEINFO.json',function(t){
		if(t.length < 1000) return;
		var _siteinfo = JSON.parse(t);
		var n = _siteinfo.length;
		while(--n) {
			var info = _siteinfo[n];
			var re = new RegExp(info.url);
			if (re.test('http://a')) {
				// isolate siteinfo that matches any url
				Microformats.push(info);
			} else {
				Siteinfo.push([re, info]);
			}
		}
	});
}