964 lines
17 KiB
PHP
964 lines
17 KiB
PHP
<?php
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/**
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* @package Joomla.Platform
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* @subpackage Document
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*
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* @copyright Copyright (C) 2005 - 2013 Open Source Matters, Inc. All rights reserved.
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* @license GNU General Public License version 2 or later; see LICENSE
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*/
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defined('JPATH_PLATFORM') or die;
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jimport('joomla.environment.response');
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/**
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* Document class, provides an easy interface to parse and display a document
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*
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* @package Joomla.Platform
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* @subpackage Document
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* @since 11.1
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*/
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class JDocument
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{
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/**
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* Document title
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*
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* @var string
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* @since 11.1
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*/
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public $title = '';
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/**
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* Document description
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*
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* @var string
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* @since 11.1
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*/
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public $description = '';
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/**
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* Document full URL
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*
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* @var string
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* @since 11.1
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*/
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public $link = '';
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/**
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* Document base URL
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*
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* @var string
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* @since 11.1
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*/
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public $base = '';
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/**
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* Contains the document language setting
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*
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* @var string
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* @since 11.1
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*/
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public $language = 'en-gb';
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/**
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* Contains the document direction setting
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*
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* @var string
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* @since 11.1
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*/
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public $direction = 'ltr';
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/**
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* Document generator
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*
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* @var string
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*/
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public $_generator = 'Joomla! - Open Source Content Management';
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/**
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* Document modified date
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*
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* @var string
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* @since 11.1
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*/
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public $_mdate = '';
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/**
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* Tab string
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*
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* @var string
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* @since 11.1
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*/
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public $_tab = "\11";
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/**
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* Contains the line end string
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*
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* @var string
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* @since 11.1
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*/
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public $_lineEnd = "\12";
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/**
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* Contains the character encoding string
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*
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* @var string
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* @since 11.1
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*/
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public $_charset = 'utf-8';
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/**
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* Document mime type
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*
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* @var string
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* @since 11.1
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*/
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public $_mime = '';
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/**
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* Document namespace
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*
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* @var string
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* @since 11.1
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*/
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public $_namespace = '';
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/**
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* Document profile
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*
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* @var string
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* @since 11.1
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*/
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public $_profile = '';
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/**
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* Array of linked scripts
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*
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* @var array
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* @since 11.1
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*/
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public $_scripts = array();
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/**
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* Array of scripts placed in the header
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*
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* @var array
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* @since 11.1
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*/
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public $_script = array();
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/**
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* Array of linked style sheets
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*
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* @var array
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* @since 11.1
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*/
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public $_styleSheets = array();
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/**
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* Array of included style declarations
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*
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* @var array
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* @since 11.1
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*/
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public $_style = array();
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/**
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* Array of meta tags
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*
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* @var array
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* @since 11.1
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*/
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public $_metaTags = array();
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/**
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* The rendering engine
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*
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* @var object
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* @since 11.1
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*/
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public $_engine = null;
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/**
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* The document type
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*
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* @var string
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* @since 11.1
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*/
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public $_type = null;
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/**
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* Array of buffered output
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*
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* @var mixed (depends on the renderer)
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* @since 11.1
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*/
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public static $_buffer = null;
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/**
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* @var array JDocument instances container.
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* @since 11.3
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*/
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protected static $instances = array();
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/**
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* Class constructor.
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*
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* @param array $options Associative array of options
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*
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* @since 11.1
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*/
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public function __construct($options = array())
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{
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if (array_key_exists('lineend', $options))
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{
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$this->setLineEnd($options['lineend']);
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}
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if (array_key_exists('charset', $options))
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{
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$this->setCharset($options['charset']);
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}
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if (array_key_exists('language', $options))
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{
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$this->setLanguage($options['language']);
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}
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if (array_key_exists('direction', $options))
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{
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$this->setDirection($options['direction']);
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}
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if (array_key_exists('tab', $options))
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{
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$this->setTab($options['tab']);
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}
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if (array_key_exists('link', $options))
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{
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$this->setLink($options['link']);
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}
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if (array_key_exists('base', $options))
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{
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$this->setBase($options['base']);
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}
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}
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/**
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* Returns the global JDocument object, only creating it
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* if it doesn't already exist.
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*
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* @param string $type The document type to instantiate
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* @param array $attributes Array of attributes
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*
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* @return object The document object.
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*
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* @since 11.1
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* @throws RuntimeException
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*/
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public static function getInstance($type = 'html', $attributes = array())
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{
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$signature = serialize(array($type, $attributes));
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if (empty(self::$instances[$signature]))
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{
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$type = preg_replace('/[^A-Z0-9_\.-]/i', '', $type);
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$path = __DIR__ . '/' . $type . '/' . $type . '.php';
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$ntype = null;
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// Check if the document type exists
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if (!file_exists($path))
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{
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// Default to the raw format
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$ntype = $type;
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$type = 'raw';
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}
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// Determine the path and class
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$class = 'JDocument' . $type;
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if (!class_exists($class))
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{
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$path = __DIR__ . '/' . $type . '/' . $type . '.php';
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if (file_exists($path))
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{
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require_once $path;
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}
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else
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{
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throw new RuntimeException('Invalid JDocument Class', 500);
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}
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}
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$instance = new $class($attributes);
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self::$instances[$signature] = $instance;
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if (!is_null($ntype))
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{
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// Set the type to the Document type originally requested
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$instance->setType($ntype);
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}
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}
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return self::$instances[$signature];
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}
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/**
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* Set the document type
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*
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* @param string $type Type document is to set to
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*
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* @return JDocument instance of $this to allow chaining
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*
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* @since 11.1
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*/
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public function setType($type)
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{
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$this->_type = $type;
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return $this;
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}
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/**
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* Returns the document type
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*
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* @return string
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*
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* @since 11.1
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*/
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public function getType()
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{
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return $this->_type;
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}
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/**
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* Get the contents of the document buffer
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*
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* @return The contents of the document buffer
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*
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* @since 11.1
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*/
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public function getBuffer()
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{
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return self::$_buffer;
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}
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/**
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* Set the contents of the document buffer
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*
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* @param string $content The content to be set in the buffer.
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* @param array $options Array of optional elements.
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*
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* @return JDocument instance of $this to allow chaining
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*
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* @since 11.1
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*/
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public function setBuffer($content, $options = array())
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{
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self::$_buffer = $content;
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return $this;
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}
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/**
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* Gets a meta tag.
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*
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* @param string $name Value of name or http-equiv tag
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* @param boolean $httpEquiv META type "http-equiv" defaults to null
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*
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* @return string
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*
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* @since 11.1
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*/
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public function getMetaData($name, $httpEquiv = false)
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{
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$name = strtolower($name);
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if ($name == 'generator')
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{
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$result = $this->getGenerator();
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}
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elseif ($name == 'description')
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{
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$result = $this->getDescription();
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}
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else
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{
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if ($httpEquiv == true)
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{
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$result = @$this->_metaTags['http-equiv'][$name];
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}
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else
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{
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$result = @$this->_metaTags['standard'][$name];
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}
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}
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return $result;
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}
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/**
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* Sets or alters a meta tag.
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*
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* @param string $name Value of name or http-equiv tag
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* @param string $content Value of the content tag
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* @param boolean $http_equiv META type "http-equiv" defaults to null
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*
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* @return JDocument instance of $this to allow chaining
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*
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* @since 11.1
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*/
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public function setMetaData($name, $content, $http_equiv = false)
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{
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$name = strtolower($name);
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if ($name == 'generator')
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{
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$this->setGenerator($content);
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}
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elseif ($name == 'description')
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{
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$this->setDescription($content);
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}
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else
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{
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if ($http_equiv == true)
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{
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$this->_metaTags['http-equiv'][$name] = $content;
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}
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else
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{
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$this->_metaTags['standard'][$name] = $content;
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}
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}
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return $this;
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}
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/**
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* Adds a linked script to the page
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*
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* @param string $url URL to the linked script
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* @param string $type Type of script. Defaults to 'text/javascript'
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* @param boolean $defer Adds the defer attribute.
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* @param boolean $async Adds the async attribute.
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*
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* @return JDocument instance of $this to allow chaining
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*
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* @since 11.1
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*/
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public function addScript($url, $type = "text/javascript", $defer = false, $async = false)
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{
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$this->_scripts[$url]['mime'] = $type;
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$this->_scripts[$url]['defer'] = $defer;
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$this->_scripts[$url]['async'] = $async;
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return $this;
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}
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/**
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* Adds a script to the page
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*
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* @param string $content Script
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* @param string $type Scripting mime (defaults to 'text/javascript')
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*
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* @return JDocument instance of $this to allow chaining
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*
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* @since 11.1
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*/
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public function addScriptDeclaration($content, $type = 'text/javascript')
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{
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if (!isset($this->_script[strtolower($type)]))
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{
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$this->_script[strtolower($type)] = $content;
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}
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else
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{
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$this->_script[strtolower($type)] .= chr(13) . $content;
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}
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return $this;
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}
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/**
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* Adds a linked stylesheet to the page
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*
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* @param string $url URL to the linked style sheet
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* @param string $type Mime encoding type
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* @param string $media Media type that this stylesheet applies to
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* @param array $attribs Array of attributes
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*
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* @return JDocument instance of $this to allow chaining
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*
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* @since 11.1
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*/
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public function addStyleSheet($url, $type = 'text/css', $media = null, $attribs = array())
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{
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$this->_styleSheets[$url]['mime'] = $type;
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$this->_styleSheets[$url]['media'] = $media;
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$this->_styleSheets[$url]['attribs'] = $attribs;
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return $this;
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}
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/**
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* Adds a stylesheet declaration to the page
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*
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* @param string $content Style declarations
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* @param string $type Type of stylesheet (defaults to 'text/css')
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*
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* @return JDocument instance of $this to allow chaining
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*
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* @since 11.1
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*/
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public function addStyleDeclaration($content, $type = 'text/css')
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{
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if (!isset($this->_style[strtolower($type)]))
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{
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$this->_style[strtolower($type)] = $content;
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}
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else
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{
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$this->_style[strtolower($type)] .= chr(13) . $content;
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}
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return $this;
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}
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/**
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* Sets the document charset
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*
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* @param string $type Charset encoding string
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*
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* @return JDocument instance of $this to allow chaining
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*
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* @since 11.1
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*/
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public function setCharset($type = 'utf-8')
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{
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$this->_charset = $type;
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return $this;
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}
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/**
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* Returns the document charset encoding.
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*
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* @return string
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*
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* @since 11.1
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*/
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public function getCharset()
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{
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return $this->_charset;
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}
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/**
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* Sets the global document language declaration. Default is English (en-gb).
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*
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* @param string $lang The language to be set
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*
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* @return JDocument instance of $this to allow chaining
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*
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* @since 11.1
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*/
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public function setLanguage($lang = "en-gb")
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{
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$this->language = strtolower($lang);
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return $this;
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}
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/**
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* Returns the document language.
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*
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* @return string
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*
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* @since 11.1
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*/
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public function getLanguage()
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{
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return $this->language;
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}
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/**
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* Sets the global document direction declaration. Default is left-to-right (ltr).
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*
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* @param string $dir The language direction to be set
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*
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* @return JDocument instance of $this to allow chaining
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*
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* @since 11.1
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*/
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public function setDirection($dir = "ltr")
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{
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$this->direction = strtolower($dir);
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return $this;
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}
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|
|
/**
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* Returns the document direction declaration.
|
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*
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* @return string
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*
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* @since 11.1
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*/
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public function getDirection()
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{
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return $this->direction;
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}
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|
/**
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* Sets the title of the document
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*
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* @param string $title The title to be set
|
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*
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* @return JDocument instance of $this to allow chaining
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*
|
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* @since 11.1
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*/
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public function setTitle($title)
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{
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$this->title = $title;
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return $this;
|
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}
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|
|
/**
|
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* Return the title of the document.
|
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*
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* @return string
|
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*
|
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* @since 11.1
|
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*/
|
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public function getTitle()
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{
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return $this->title;
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}
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|
|
/**
|
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* Sets the base URI of the document
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|
*
|
|
* @param string $base The base URI to be set
|
|
*
|
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* @return JDocument instance of $this to allow chaining
|
|
*
|
|
* @since 11.1
|
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*/
|
|
public function setBase($base)
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{
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$this->base = $base;
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return $this;
|
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}
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|
|
/**
|
|
* Return the base URI of the document.
|
|
*
|
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* @return string
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function getBase()
|
|
{
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return $this->base;
|
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}
|
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|
|
/**
|
|
* Sets the description of the document
|
|
*
|
|
* @param string $description The description to set
|
|
*
|
|
* @return JDocument instance of $this to allow chaining
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function setDescription($description)
|
|
{
|
|
$this->description = $description;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Return the title of the page.
|
|
*
|
|
* @return string
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function getDescription()
|
|
{
|
|
return $this->description;
|
|
}
|
|
|
|
/**
|
|
* Sets the document link
|
|
*
|
|
* @param string $url A url
|
|
*
|
|
* @return JDocument instance of $this to allow chaining
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function setLink($url)
|
|
{
|
|
$this->link = $url;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns the document base url
|
|
*
|
|
* @return string
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function getLink()
|
|
{
|
|
return $this->link;
|
|
}
|
|
|
|
/**
|
|
* Sets the document generator
|
|
*
|
|
* @param string $generator The generator to be set
|
|
*
|
|
* @return JDocument instance of $this to allow chaining
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function setGenerator($generator)
|
|
{
|
|
$this->_generator = $generator;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns the document generator
|
|
*
|
|
* @return string
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function getGenerator()
|
|
{
|
|
return $this->_generator;
|
|
}
|
|
|
|
/**
|
|
* Sets the document modified date
|
|
*
|
|
* @param string $date The date to be set
|
|
*
|
|
* @return JDocument instance of $this to allow chaining
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function setModifiedDate($date)
|
|
{
|
|
$this->_mdate = $date;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns the document modified date
|
|
*
|
|
* @return string
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function getModifiedDate()
|
|
{
|
|
return $this->_mdate;
|
|
}
|
|
|
|
/**
|
|
* Sets the document MIME encoding that is sent to the browser.
|
|
*
|
|
* This usually will be text/html because most browsers cannot yet
|
|
* accept the proper mime settings for XHTML: application/xhtml+xml
|
|
* and to a lesser extent application/xml and text/xml. See the W3C note
|
|
* ({@link http://www.w3.org/TR/xhtml-media-types/
|
|
* http://www.w3.org/TR/xhtml-media-types/}) for more details.
|
|
*
|
|
* @param string $type The document type to be sent
|
|
* @param boolean $sync Should the type be synced with HTML?
|
|
*
|
|
* @return JDocument instance of $this to allow chaining
|
|
*
|
|
* @since 11.1
|
|
*
|
|
* @link http://www.w3.org/TR/xhtml-media-types
|
|
*/
|
|
public function setMimeEncoding($type = 'text/html', $sync = true)
|
|
{
|
|
$this->_mime = strtolower($type);
|
|
|
|
// Syncing with meta-data
|
|
if ($sync)
|
|
{
|
|
$this->setMetaData('content-type', $type . '; charset=' . $this->_charset, true);
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Return the document MIME encoding that is sent to the browser.
|
|
*
|
|
* @return string
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function getMimeEncoding()
|
|
{
|
|
return $this->_mime;
|
|
}
|
|
|
|
/**
|
|
* Sets the line end style to Windows, Mac, Unix or a custom string.
|
|
*
|
|
* @param string $style "win", "mac", "unix" or custom string.
|
|
*
|
|
* @return JDocument instance of $this to allow chaining
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function setLineEnd($style)
|
|
{
|
|
switch ($style)
|
|
{
|
|
case 'win':
|
|
$this->_lineEnd = "\15\12";
|
|
break;
|
|
case 'unix':
|
|
$this->_lineEnd = "\12";
|
|
break;
|
|
case 'mac':
|
|
$this->_lineEnd = "\15";
|
|
break;
|
|
default:
|
|
$this->_lineEnd = $style;
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns the lineEnd
|
|
*
|
|
* @return string
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function _getLineEnd()
|
|
{
|
|
return $this->_lineEnd;
|
|
}
|
|
|
|
/**
|
|
* Sets the string used to indent HTML
|
|
*
|
|
* @param string $string String used to indent ("\11", "\t", ' ', etc.).
|
|
*
|
|
* @return JDocument instance of $this to allow chaining
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function setTab($string)
|
|
{
|
|
$this->_tab = $string;
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Returns a string containing the unit for indenting HTML
|
|
*
|
|
* @return string
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function _getTab()
|
|
{
|
|
return $this->_tab;
|
|
}
|
|
|
|
/**
|
|
* Load a renderer
|
|
*
|
|
* @param string $type The renderer type
|
|
*
|
|
* @return JDocumentRenderer Object or null if class does not exist
|
|
*
|
|
* @since 11.1
|
|
* @throws RuntimeException
|
|
*/
|
|
public function loadRenderer($type)
|
|
{
|
|
$class = 'JDocumentRenderer' . $type;
|
|
|
|
if (!class_exists($class))
|
|
{
|
|
$path = __DIR__ . '/' . $this->_type . '/renderer/' . $type . '.php';
|
|
|
|
if (file_exists($path))
|
|
{
|
|
require_once $path;
|
|
}
|
|
else
|
|
{
|
|
throw new RuntimeException('Unable to load renderer class', 500);
|
|
}
|
|
}
|
|
|
|
if (!class_exists($class))
|
|
{
|
|
return null;
|
|
}
|
|
|
|
$instance = new $class($this);
|
|
|
|
return $instance;
|
|
}
|
|
|
|
/**
|
|
* Parses the document and prepares the buffers
|
|
*
|
|
* @param array $params The array of parameters
|
|
*
|
|
* @return JDocument instance of $this to allow chaining
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function parse($params = array())
|
|
{
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Outputs the document
|
|
*
|
|
* @param boolean $cache If true, cache the output
|
|
* @param array $params Associative array of attributes
|
|
*
|
|
* @return The rendered data
|
|
*
|
|
* @since 11.1
|
|
*/
|
|
public function render($cache = false, $params = array())
|
|
{
|
|
if ($mdate = $this->getModifiedDate())
|
|
{
|
|
JResponse::setHeader('Last-Modified', $mdate /* gmdate('D, d M Y H:i:s', time() + 900) . ' GMT' */);
|
|
}
|
|
|
|
JResponse::setHeader('Content-Type', $this->_mime . ($this->_charset ? '; charset=' . $this->_charset : ''));
|
|
}
|
|
}
|