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// cookie data store
function DataStore(name)
{
this.name = name;
this.load();
}
DataStore.prototype.load = function ()
{
// create a key/value store
this.language = new Object();
// get cookie text
var text = getCookie(this.name);
if (text == null) return;
// populate the store using the cookie text
var data = text.split(';');
for (var i=0; i<data.length; i++)
{
var datum = data[i];
var index = datum.indexOf('=');
if (index > 0)
{
var key = datum.substring(0,index);
var value = datum.substring(index+1);
this.language[key] = value;
}
}
}
function setCookie(name, value, expires, path, domain, secure)
{
var text = name + "=" + escape(value);
if (expires)
{
var currentDate = new Date();
var expireDate = new Date( currentDate.getTime() + expires*24*60*60*1000 );
text = text + ";expires=" + expireDate.toGMTString();
}
if (path) text = text + ";path=" + path;
if (domain) text = text + ";domain=" + domain;
if (secure) text = text + ";secure";
document.cookie = text;
}
function removeCookie(name)
{
setCookie(name, "", -1);
}
function getCookie(name)
{
var text = document.cookie;
var index = text.indexOf(name + "=");
if (index < 0) return(null);
var start = index + name.length + 1;
var end = text.indexOf(";", start);
if (end < 0) end = text.length;
var value = unescape( text.substring(start, end) );
return(value);
}
DataStore.prototype.set = function(key, value)
{
this.language[key] = value;
}
DataStore.prototype.get = function(key)
{
return(this.language[key]);
}
DataStore.prototype.clear = function ()
{
this.language = new Object();
}
DataStore.prototype.save = function ()
{
// prepare a cookie string
var text = "";
// construct the string
for (var key in this.language)
{
var datum = key + "=" + this.language[key];
text = text + datum + ";";
}
// set it
setCookie(this.name, text);
}
DataStore.prototype.count = function()
{
var i = 0;
for (var key in this.data)
{
i++;
}
return(i);
}
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