js/ui/url.js

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