// SpryURLUtils.js - version 0.1 - Spry Pre-Release 1.5  
//  
// Copyright (c) 2007. Adobe Systems Incorporated.  
// All rights reserved.  
//  
// Redistribution and use in source and binary forms, with or without  
// modification, are permitted provided that the following conditions are met:  
//  
//   * Redistributions of source code must retain the above copyright notice,  
//     this list of conditions and the following disclaimer.  
//   * Redistributions in binary form must reproduce the above copyright notice,  
//     this list of conditions and the following disclaimer in the documentation  
//     and/or other materials provided with the distribution.  
//   * Neither the name of Adobe Systems Incorporated nor the names of its  
//     contributors may be used to endorse or promote products derived from this  
//     software without specific prior written permission.  
//  
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"  
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE  
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE  
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE  
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR  
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF  
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS  
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN  
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)  
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE  
// POSSIBILITY OF SUCH DAMAGE.  
  
var Spry; if (!Spry) Spry = {}; if (!Spry.Utils) Spry.Utils = {};  
   
// Spry.Utils.urlComponentToObject  
//  
// Given a URL component of name value pairs, it returns an object that has the  
// the URL component names as properties, and the URL component values as the value  
// of those properties.  
//  
// The paramSeparator and nameValueSeparator args are optional. If not specified,  
// the default paramSeparator is '&' and the default nameValueSeparator is '='.  
  
Spry.Utils.urlComponentToObject = function(ucStr, paramSeparator, nameValueSeparator)  
{  
   var o = new Object;  
   if (ucStr)  
   {  
       if (!paramSeparator) paramSeparator = "&";  
           if (!nameValueSeparator) nameValueSeparator = "=";  
              var params = ucStr.split(paramSeparator);  
              for (var i = 0; i < params.length; i++)  
              {  
                  var a = params[i].split(nameValueSeparator);  
                  var n = decodeURIComponent(a[0]?a[0]:"");  
                  var v = decodeURIComponent(a[1]?a[1]:"");  
                  if (v.match(/^0$|^[1-9]\d*$/))  
                      v = parseInt(v);  
                  if (typeof o[n] == "undefined")  
                      o[n] = v;  
                  else              
                  {  
                      if (typeof o[n] != "object")  
                      {  
                          var t = o[n];  
                          o[n] = new Array;  
                          o[n].push(t);  
                      }  
                      o[n].push(v);  
                  }  
              }  
          }  
          return o;  
      };  
   
// Spry.Utils.getLocationHashParamsAsObject  
//  
// Returns window.location.hash as an object that has the the URL component  
// names as properties, and the URL component values as the value of those properties.  

Spry.Utils.getLocationHashParamsAsObject = function(paramSeparator, nameValueSeparator)  
{  
      return Spry.Utils.urlComponentToObject(window.location.hash.replace(/^#/, ""), paramSeparator, nameValueSeparator);  
};  

// Spry.Utils.getLocationParamsAsObject  
//  
// Returns window.location.search as an object that has the the URL component  
// names as properties, and the URL component values as the value of those properties.  

Spry.Utils.getLocationParamsAsObject = function()  
{  
     return Spry.Utils.urlComponentToObject(window.location.search.replace(/^\?/, ""));  
};  

// Spry.Utils.getURLHashParamsAsObject  
//  
// Given a url string, extracts out the URL component that follows the '#' character  
// and returns an object that has the the URL component names as properties, and the  
// URL component values as the value of those properties.  
//  
// The paramSeparator and nameValueSeparator args are optional. If not specified,  
// the default paramSeparator is '&' and the default nameValueSeparator is '='.  

Spry.Utils.getURLHashParamsAsObject = function(url, paramSeparator, nameValueSeparator)  
{  
     var i;  
     if (url && (i = url.search("#")) >= 0)  
         return Spry.Utils.urlComponentToObject(url.substr(i+1), paramSeparator, nameValueSeparator);  
     return new Object;  
};  

// Spry.Utils.getURLParamsAsObject  
//  
// Given a url string, extracts out the URL component that follows the '?' character  
// and returns an object that has the the URL component names as properties, and the  
// URL component values as the value of those properties.  

Spry.Utils.getURLParamsAsObject = function(url)  
{  
     var s;  
     if (url && (s = url.match(/\?[^#]*/)) && s)  
         return Spry.Utils.urlComponentToObject(s[0].replace(/^\?/, ""));  
     return new Object;  
};