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/**
* Handles the cookie used by several JavaScript functions
*
* Only a single cookie is written and read. You may only save
* sime name-value pairs - no complex types!
*
* You should only use the getValue and setValue methods
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
DokuCookie = {
data: Array(),
name: 'DOKU_PREFS',
/**
* Save a value to the cookie
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
setValue: function(key,val){
DokuCookie.init();
DokuCookie.data[key] = val;
// prepare expire date
var now = new Date();
DokuCookie.fixDate(now);
now.setTime(now.getTime() + 365 * 24 * 60 * 60 * 1000); //expire in a year
//save the whole data array
var text = '';
for(var key in DokuCookie.data){
text += '#'+escape(key)+'#'+DokuCookie.data[key];
}
DokuCookie.setCookie(DokuCookie.name,text.substr(1),now,DOKU_BASE);
},
/**
* Get a Value from the Cookie
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
getValue: function(key){
DokuCookie.init();
return DokuCookie.data[key];
},
/**
* Loads the current set cookie
*
* @author Andreas Gohr <andi@splitbrain.org>
*/
init: function(){
if(DokuCookie.data.length) return;
var text = DokuCookie.getCookie(DokuCookie.name);
if(text){
var parts = text.split('#');
for(var i=0; i<parts.length; i+=2){
DokuCookie.data[unescape(parts[i])] = unescape(parts[i+1]);
}
}
},
/**
* This sets a cookie by JavaScript
*
* @link http://www.webreference.com/js/column8/functions.html
*/
setCookie: function(name, value, expires, path, domain, secure) {
var curCookie = name + "=" + escape(value) +
((expires) ? "; expires=" + expires.toGMTString() : "") +
((path) ? "; path=" + path : "") +
((domain) ? "; domain=" + domain : "") +
((secure) ? "; secure" : "");
document.cookie = curCookie;
},
/**
* This reads a cookie by JavaScript
*
* @link http://www.webreference.com/js/column8/functions.html
*/
getCookie: function(name) {
var dc = document.cookie;
var prefix = name + "=";
var begin = dc.indexOf("; " + prefix);
if (begin == -1) {
begin = dc.indexOf(prefix);
if (begin !== 0){ return null; }
} else {
begin += 2;
}
var end = document.cookie.indexOf(";", begin);
if (end == -1){
end = dc.length;
}
return unescape(dc.substring(begin + prefix.length, end));
},
/**
* This is needed for the cookie functions
*
* @link http://www.webreference.com/js/column8/functions.html
*/
fixDate: function(date) {
var base = new Date(0);
var skew = base.getTime();
if (skew > 0){
date.setTime(date.getTime() - skew);
}
}
};
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