OpenAjax-debug.js

// OpenAjax Hub 1.0 implementation by Robert Bergman, designed to minify to under 1k.
// This code may be freely distributed under an MIT-style licence.
OpenAjax = {
  hub: (function () {
    var oa = 'openajax',                        // Literal reuse
      r = 'registerLibrary',                    // Literal reuse
      s = 'subscribe',                          // Literal reuse
      l = 'libraries',                          // Literal reuse
      p = 'publish',                            // Literal reuse
      ns = 'org.' + oa + '.hub.',               // Local event prefix
      xr = /([$()+.\/\[-\^{|}])|(\*\*$|[*])/g,  // Regular expression specials escaping
      xm = {'**': '.+', '*': '[^.]+'},          // Glob to regex mapping
      ev = {},                                  // Event subscription state
      h = {};                                   // The hub object
    h.specVersion = '1.0';
    h.implVersion = '1';
    h.implementer = 'http://bergmania.com';
    h[l] = {};
    h[r] = function (p, n, v, d) {
      h[p](ns + r, (
        h[l][p] = {prefix: p, namespaceURI: n, version: v, extraData: d}
      ));
    };
    h['un' + r] = function (p) {
      h[p](ns + 'un' + r, h[l][p]);
      delete h[l][p];
    };
    h[s] = function (n, c, s, d, f) {
      var o = {n: n, c: c, s: s, d: d, f: f};
      (ev[n] = ev[n] || []).push(o);
      ev[n].re = ev[n].re || new RegExp('^' + n.replace(xr, function (s, r, g) { return r ? '\\' + r : xm[g]; }) + '$');
      return o;
    };
    h['un' + s] = function (s) {
      var os = ev[s.n] || [];
      for (var i = 0, l = os.length; i < l; i++) {
        if (os[i] === s) {
          os.splice(i, 1);
          break;
        }
      }
    };
    h[p] = function (n, d) {
      var os, o;
      function fn(f) { return (typeof f == 'string' ? (o.s || window)[f] : f).call(o.s, n, d, o.d); }
      for (var e in ev) {
        os = ev[e];
        if (os.re.test(n)) {
          for (var i = 0, l = os.length; i < l; i++) {
            o = os[i];
            if (o && (!o.f || fn(o.f))) {
              fn(o.c);
            }
          }
        }
      }
    };
    h[r]('OpenAjax', 'http://' + oa + '.org/hub', '1.0', {});
    return h;
  })()
};