Open-ILS/web/opac/common/js/CGI.js

   1 function CGI() {
   2         /* load up the url parameters */
   3
   4         this._keys = new Array();
   5         this.data = new Object();
   6
   7         var string = location.search.replace(/^\?/,"");
   8         this.server_name = location.href.replace(/^https?:\/\/([^\/]+).+$/,"$1");
   9
  10         var key = "";
  11         var value = "";
  12         var inkey = true;
  13         var invalue = false;
  14
  15         for( var idx = 0; idx!= string.length; idx++ ) {
  16
  17                 var c = string.charAt(idx);
  18
  19                 if( c == "=" )  {
  20                         invalue = true;
  21                         inkey = false;
  22                         continue;
  23                 }
  24
  25                 if(c == "&" || c == ";") {
  26                         inkey = 1;
  27                         invalue = 0;
  28                         if( ! this.data[key] ) this.data[key] = [];
  29                         this.data[key].push(decodeURIComponent(value));
  30                         this._keys.push(key);
  31                         key = ""; value = "";
  32                         continue;
  33                 }
  34
  35                 if(inkey) key += c;
  36                 else if(invalue) value += c;
  37         }
  38
  39         if( ! this.data[key] ) this.data[key] = [];
  40         this.data[key].push(decodeURIComponent(value));
  41         this._keys.push(key);
  42 }
  43
  44 /* returns the value for the given param.  If there is only one value for the
  45    given param, it returns that value.  Otherwise it returns an array of values
  46  */
  47 CGI.prototype.param = function(p) {
  48         if(this.data[p] == null) return null;
  49         if(this.data[p].length == 1)
  50                 return this.data[p][0];
  51         return this.data[p];
  52 }
  53
  54 /* returns an array of param names */
  55 CGI.prototype.keys = function() {
  56         return this._keys;
  57 }
  58
  59 /* debuggin method */
  60 CGI.prototype.toString = function() {
  61         var string = "";
  62         var keys = this.keys();
  63
  64         for( var k in keys ) {
  65                 string += keys[k] + " : ";
  66                 var params = this.param(keys[k]);
  67
  68                 for( var p in params ) {
  69                         string +=  params[p] + " ";
  70                 }
  71                 string += "\n";
  72         }
  73         return string;
  74 }
  75
  76