js/ui/url.js

   1 qwebirc.ui.urlificate = function(element, text, execfn, cmdfn, window) {
   2   var punct_re = /(\.*|\,|;|\])$/;
   3
   4   var txtprocess = function(text, regex, appendfn, matchfn) {
   5     for(;;) {
   6       var index = text.search(regex);
   7       if(index == -1) {
   8        appendfn(text);
   9        break;
  10       }
  11       var match = text.match(regex);
  12
  13       var before = text.substring(0, index);
  14       var matched = match[0];
  15       var after = text.substring(index + matched.length);
  16
  17       appendfn(before);
  18       var more = matchfn(matched, appendfn);
  19       if(!more)
  20         more = "";
  21       text = more + after;
  22     }
  23   };
  24
  25   var appendText = function(text) {
  26     qwebirc.util.NBSPCreate(text, element);
  27   };
  28
  29   var appendChan = function(text) {
  30     var newtext = text.replace(punct_re, "");
  31     var punct = text.substring(newtext.length);
  32
  33     var a = new Element("span");
  34     a.href = "#";
  35     a.addClass("hyperlink-channel");
  36     a.addEvent("click", function(e) {
  37       new Event(e).stop();
  38       execfn("/JOIN " + newtext);
  39     });
  40     a.appendChild(document.createTextNode(newtext));
  41     element.appendChild(a);
  42
  43     return punct;
  44   };
  45
  46   var appendURL = function(text, appendfn) {
  47     var url = text.replace(punct_re, "");
  48     var punct = text.substring(url.length);
  49
  50     var href = "";
  51     var fn = null;
  52     var target = "new";
  53     var disptext = url;
  54     var elementType = "a";
  55     var addClass;
  56
  57     var ma = url.match(/^qwebirc:\/\/(.*)$/);
  58     if(ma) {
  59       var m = ma[1].match(/^([^\/]+)\/([^\/]+)\/?(.*)$/);
  60       if(!m) {
  61         appendfn(text);
  62         return;
  63       }
  64
  65       var cmd = cmdfn(m[1], window);
  66       if(cmd) {
  67         addClass = m[1];
  68         elementType = cmd[0];
  69         if(cmd[0] != "a") {
  70           url = null;
  71         } else {
  72           url = "#";
  73         }
  74         fn = cmd[1];
  75         disptext = unescape(m[2]);
  76         target = null;
  77       } else {
  78         appendfn(text);
  79         return;
  80       }
  81       if(m[3])
  82         punct = m[3] + punct;
  83     } else {
  84       if(url.match(/^www\./))
  85         url = "http://" + url;
  86     }
  87
  88     var a = new Element(elementType);
  89     if(addClass)
  90       a.addClass("hyperlink-" + addClass);
  91
  92     if(url) {
  93       a.href = url;
  94
  95       if(target)
  96         a.target = target;
  97     }
  98     a.appendChild(document.createTextNode(disptext));
  99
 100     element.appendChild(a);
 101     if($defined(fn))
 102       a.addEvent("click", function(e) { new Event(e).stop(); fn(disptext); });
 103
 104     return punct;
 105   };
 106
 107   txtprocess(text, /\b((https?|ftp|qwebirc):\/\/|www\.)[^ ]+/, function(text) {
 108     txtprocess(text, /\B#[^ ,]+/, appendText, appendChan);
 109   }, appendURL);
 110 }