js/ui/url.js

   1 qwebirc.ui.urlificate = function(element, text, execfn, cmdfn, window) {
   2   var punct_re = /[[\)|\]]?(\.*|[\,;])$/;
   3   var addedText = [];
   4
   5   var txtprocess = function(text, regex, appendfn, matchfn) {
   6     for(;;) {
   7       var index = text.search(regex);
   8       if(index == -1) {
   9        appendfn(text);
  10        break;
  11       }
  12       var match = text.match(regex);
  13
  14       var before = text.substring(0, index);
  15       var matched = match[0];
  16       var after = text.substring(index + matched.length);
  17
  18       appendfn(before);
  19       var more = matchfn(matched, appendfn);
  20       if(!more)
  21         more = "";
  22       text = more + after;
  23     }
  24   };
  25
  26   var appendText = function(text) {
  27     addedText.push(text);
  28     qwebirc.util.NBSPCreate(text, element);
  29   };
  30
  31   var appendChan = function(text) {
  32     var newtext = text.replace(punct_re, "");
  33     addedText.push(newtext);
  34     var punct = text.substring(newtext.length);
  35
  36     var a = new Element("span");
  37     a.href = "#";
  38     a.addClass("hyperlink-channel");
  39     a.addEvent("click", function(e) {
  40       new Event(e).stop();
  41       execfn("/JOIN " + newtext);
  42     });
  43     a.appendChild(document.createTextNode(newtext));
  44     element.appendChild(a);
  45
  46     return punct;
  47   };
  48
  49   var appendURL = function(text, appendfn) {
  50     var url = text.replace(punct_re, "");
  51     var punct = text.substring(url.length);
  52
  53     var href = "";
  54     var fn = null;
  55     var target = "new";
  56     var disptext = url;
  57     var elementType = "a";
  58     var addClass;
  59
  60     var ma = url.match(/^qwebirc:\/\/(.*)$/);
  61     if(ma) {
  62       var m = ma[1].match(/^([^\/]+)\/([^\/]+)\/?(.*)$/);
  63       if(!m) {
  64         appendfn(text);
  65         return;
  66       }
  67
  68       var cmd = cmdfn(m[1], window);
  69       if(cmd) {
  70         addClass = m[1];
  71         elementType = cmd[0];
  72         if(cmd[0] != "a") {
  73           url = null;
  74         } else {
  75           url = "#";
  76         }
  77         fn = cmd[1];
  78         disptext = unescape(m[2]);
  79         target = null;
  80       } else {
  81         appendfn(text);
  82         return;
  83       }
  84       if(m[3])
  85         punct = m[3] + punct;
  86     } else {
  87       if(url.match(/^www\./))
  88         url = "http://" + url;
  89     }
  90
  91     var a = new Element(elementType);
  92     if(addClass)
  93       a.addClass("hyperlink-" + addClass);
  94
  95     if(url) {
  96       a.href = url;
  97
  98       if(target)
  99         a.target = target;
 100     }
 101     addedText.push(disptext);
 102     a.appendChild(document.createTextNode(disptext));
 103
 104     element.appendChild(a);
 105     if($defined(fn))
 106       a.addEvent("click", function(e) { new Event(e).stop(); fn(disptext); });
 107
 108     return punct;
 109   };
 110
 111   txtprocess(text, /\b((https?|ftp|qwebirc):\/\/|www\.)[^ ]+/, function(text) {
 112     txtprocess(text, /\B#[^ ,]+/, appendText, appendChan);
 113   }, appendURL);
 114
 115   return addedText.join("");
 116 }