js/jslib.js

   1 Array.prototype.indexFromEnd = function(d) {
   2   var p = this;
   3
   4   if(d < 0)
   5     return p[p.length + d];
   6
   7   return p[d];
   8 }
   9
  10 /* how horribly inefficient */
  11 String.prototype.replaceAll = function(f, t) {
  12   var i = this.indexOf(f);
  13   var c = this;
  14
  15   while(i > -1) {
  16     c = c.replace(f, t);
  17     i = c.indexOf(f);
  18   }
  19   return c;
  20 }
  21
  22 /* how horribly inefficient (again) */
  23 String.prototype.splitMax = function(by, max) {
  24   var items = this.split(by);
  25   var newitems = items.slice(0, max-1);
  26
  27   if(items.length >= max)
  28     newitems.push(items.slice(max-1).join(by));
  29
  30   return newitems;
  31 }
  32
  33 function setAtEnd(obj) {
  34   pos = obj.value.length;
  35
  36   if(obj.createTextRange) {
  37     var range = obj.createTextRange();
  38     range.move("character", pos);
  39     range.select();
  40   } else if(obj.selectionStart) {
  41     obj.focus();
  42     obj.setSelectionRange(pos, pos);
  43   }
  44 }
  45
  46 /* returns the arguments */
  47 function parseURI(uri) {
  48   var result = {}
  49
  50   var start = uri.indexOf('?');
  51   if(start == -1)
  52     return result;
  53
  54   var querystring = uri.substring(start + 1);
  55
  56   var args = querystring.split("&");
  57
  58   for(i=0;i<args.length;i++) {
  59     var r = args[i].splitMax("=", 2);
  60     if(r.length < 2)
  61       continue;
  62
  63     result[unescape(r[0])] = unescape(r[1]);
  64   }
  65
  66   return result;
  67 }