/**

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* Cookie functions.

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*

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* @output wp-includes/js/utils.js

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*/

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/* global userSettings, getAllUserSettings, wpCookies, setUserSetting */

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/* exported getUserSetting, setUserSetting, deleteUserSetting */

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window.wpCookies = {

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// The following functions are from Cookie.js class in TinyMCE 3, Moxiecode, used under LGPL.

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each: function( obj, cb, scope ) {

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var n, l;

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if ( ! obj ) {

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return 0;

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}

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scope = scope || obj;

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if ( typeof( obj.length ) !== 'undefined' ) {

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for ( n = 0, l = obj.length; n < l; n++ ) {

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if ( cb.call( scope, obj[n], n, obj ) === false ) {

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return 0;

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}

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}

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} else {

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for ( n in obj ) {

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if ( obj.hasOwnProperty(n) ) {

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if ( cb.call( scope, obj[n], n, obj ) === false ) {

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return 0;

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}

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}

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}

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}

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return 1;

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},

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/**

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* Get a multi-values cookie.

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* Returns a JS object with the name: 'value' pairs.

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*/

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getHash: function( name ) {

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var cookie = this.get( name ), values;

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if ( cookie ) {

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this.each( cookie.split('&'), function( pair ) {

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pair = pair.split('=');

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values = values || {};

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values[pair[0]] = pair[1];

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});

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}

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return values;

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},

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/**

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* Set a multi-values cookie.

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*

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* 'values_obj' is the JS object that is stored. It is encoded as URI in wpCookies.set().

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*/

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setHash: function( name, values_obj, expires, path, domain, secure ) {

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var str = '';

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this.each( values_obj, function( val, key ) {

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str += ( ! str ? '' : '&' ) + key + '=' + val;

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});

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this.set( name, str, expires, path, domain, secure );

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},

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/**

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* Get a cookie.

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*/

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get: function( name ) {

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var e, b,

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cookie = document.cookie,

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p = name + '=';

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if ( ! cookie ) {

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return;

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}

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b = cookie.indexOf( '; ' + p );

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if ( b === -1 ) {

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b = cookie.indexOf(p);

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if ( b !== 0 ) {

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return null;

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}

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} else {

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b += 2;

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}

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e = cookie.indexOf( ';', b );

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if ( e === -1 ) {

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e = cookie.length;

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}

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return decodeURIComponent( cookie.substring( b + p.length, e ) );

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},

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/**

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* Set a cookie.

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*

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* The 'expires' arg can be either a JS Date() object set to the expiration date (back-compat)

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* or the number of seconds until expiration

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*/

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set: function( name, value, expires, path, domain, secure ) {

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var d = new Date();

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if ( typeof( expires ) === 'object' && expires.toGMTString ) {

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expires = expires.toGMTString();

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} else if ( parseInt( expires, 10 ) ) {

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d.setTime( d.getTime() + ( parseInt( expires, 10 ) * 1000 ) ); // Time must be in milliseconds.

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expires = d.toGMTString();

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} else {

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expires = '';

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}

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document.cookie = name + '=' + encodeURIComponent( value ) +

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( expires ? '; expires=' + expires : '' ) +

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( path ? '; path=' + path : '' ) +

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( domain ? '; domain=' + domain : '' ) +

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( secure ? '; secure' : '' );

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},

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/**

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* Remove a cookie.

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*

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* This is done by setting it to an empty value and setting the expiration time in the past.

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*/

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remove: function( name, path, domain, secure ) {

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this.set( name, '', -1000, path, domain, secure );

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}

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};

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// Returns the value as string. Second arg or empty string is returned when value is not set.

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window.getUserSetting = function( name, def ) {

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var settings = getAllUserSettings();

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if ( settings.hasOwnProperty( name ) ) {

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return settings[name];

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}

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if ( typeof def !== 'undefined' ) {

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return def;

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}

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return '';

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};

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/*

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* Both name and value must be only ASCII letters, numbers or underscore

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* and the shorter, the better (cookies can store maximum 4KB). Not suitable to store text.

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* The value is converted and stored as string.

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*/

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window.setUserSetting = function( name, value, _del ) {

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if ( 'object' !== typeof userSettings ) {

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return false;

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}

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var uid = userSettings.uid,

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settings = wpCookies.getHash( 'wp-settings-' + uid ),

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path = userSettings.url,

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secure = !! userSettings.secure;

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name = name.toString().replace( /[^A-Za-z0-9_-]/g, '' );

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if ( typeof value === 'number' ) {

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value = parseInt( value, 10 );

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} else {

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value = value.toString().replace( /[^A-Za-z0-9_-]/g, '' );

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}

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settings = settings || {};

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if ( _del ) {

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delete settings[name];

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} else {

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settings[name] = value;

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}

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wpCookies.setHash( 'wp-settings-' + uid, settings, 31536000, path, '', secure );

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wpCookies.set( 'wp-settings-time-' + uid, userSettings.time, 31536000, path, '', secure );

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return name;

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};

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window.deleteUserSetting = function( name ) {

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return setUserSetting( name, '', 1 );

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};

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// Returns all settings as JS object.

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window.getAllUserSettings = function() {

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if ( 'object' !== typeof userSettings ) {

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return {};

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}

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return wpCookies.getHash( 'wp-settings-' + userSettings.uid ) || {};

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};

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