js/ui/url.js

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