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<?php
/**
* @package Joomla.Platform
* @subpackage Document
*
* @copyright Copyright (C) 2005 - 2015 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Document class, provides an easy interface to parse and display a document
*
* @since 11.1
*/
class JDocument
{
/**
* Document title
*
* @var string
* @since 11.1
*/
public $title = '';
/**
* Document description
*
* @var string
* @since 11.1
*/
public $description = '';
/**
* Document full URL
*
* @var string
* @since 11.1
*/
public $link = '';
/**
* Document base URL
*
* @var string
* @since 11.1
*/
public $base = '';
/**
* Contains the document language setting
*
* @var string
* @since 11.1
*/
public $language = 'en-gb';
/**
* Contains the document direction setting
*
* @var string
* @since 11.1
*/
public $direction = 'ltr';
/**
* Document generator
*
* @var string
*/
public $_generator = 'Joomla! - Open Source Content Management';
/**
* Document modified date
*
* @var string
* @since 11.1
*/
public $_mdate = '';
/**
* Tab string
*
* @var string
* @since 11.1
*/
public $_tab = "\11";
/**
* Contains the line end string
*
* @var string
* @since 11.1
*/
public $_lineEnd = "\12";
/**
* Contains the character encoding string
*
* @var string
* @since 11.1
*/
public $_charset = 'utf-8';
/**
* Document mime type
*
* @var string
* @since 11.1
*/
public $_mime = '';
/**
* Document namespace
*
* @var string
* @since 11.1
*/
public $_namespace = '';
/**
* Document profile
*
* @var string
* @since 11.1
*/
public $_profile = '';
/**
* Array of linked scripts
*
* @var array
* @since 11.1
*/
public $_scripts = array();
/**
* Array of scripts placed in the header
*
* @var array
* @since 11.1
*/
public $_script = array();
/**
* Array of linked style sheets
*
* @var array
* @since 11.1
*/
public $_styleSheets = array();
/**
* Array of included style declarations
*
* @var array
* @since 11.1
*/
public $_style = array();
/**
* Array of meta tags
*
* @var array
* @since 11.1
*/
public $_metaTags = array();
/**
* The rendering engine
*
* @var object
* @since 11.1
*/
public $_engine = null;
/**
* The document type
*
* @var string
* @since 11.1
*/
public $_type = null;
/**
* Array of buffered output
*
* @var mixed (depends on the renderer)
* @since 11.1
*/
public static $_buffer = null;
/**
* JDocument instances container.
*
* @var array
* @since 11.3
*/
protected static $instances = array();
/**
* Media version added to assets
*
* @var string
* @since 3.2
*/
protected $mediaVersion = null;
/**
* Class constructor.
*
* @param array $options Associative array of options
*
* @since 11.1
*/
public function __construct($options = array())
{
if (array_key_exists('lineend', $options))
{
$this->setLineEnd($options['lineend']);
}
if (array_key_exists('charset', $options))
{
$this->setCharset($options['charset']);
}
if (array_key_exists('language', $options))
{
$this->setLanguage($options['language']);
}
if (array_key_exists('direction', $options))
{
$this->setDirection($options['direction']);
}
if (array_key_exists('tab', $options))
{
$this->setTab($options['tab']);
}
if (array_key_exists('link', $options))
{
$this->setLink($options['link']);
}
if (array_key_exists('base', $options))
{
$this->setBase($options['base']);
}
if (array_key_exists('mediaversion', $options))
{
$this->setMediaVersion($options['mediaversion']);
}
}
/**
* Returns the global JDocument object, only creating it
* if it doesn't already exist.
*
* @param string $type The document type to instantiate
* @param array $attributes Array of attributes
*
* @return object The document object.
*
* @since 11.1
* @throws RuntimeException
*/
public static function getInstance($type = 'html', $attributes = array())
{
$signature = serialize(array($type, $attributes));
if (empty(self::$instances[$signature]))
{
$type = preg_replace('/[^A-Z0-9_\.-]/i', '', $type);
$path = __DIR__ . '/' . $type . '/' . $type . '.php';
$rawpath = __DIR__ . '/raw/raw.php';
$ntype = null;
// Determine the path and class
$class = 'JDocument' . $type;
if (!class_exists($class))
{
if (file_exists($path))
{
require_once $path;
}
// Default to the raw format
elseif (file_exists($rawpath))
{
$ntype = $type;
$type = 'raw';
$class = 'JDocument' . $type;
require_once $rawpath;
}
else
{
// @codeCoverageIgnoreStart
throw new RuntimeException('Invalid JDocument Class', 500);
// @codeCoverageIgnoreEnd
}
}
$instance = new $class($attributes);
self::$instances[$signature] = $instance;
if (!is_null($ntype))
{
// Set the type to the Document type originally requested
$instance->setType($ntype);
}
}
return self::$instances[$signature];
}
/**
* Set the document type
*
* @param string $type Type document is to set to
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function setType($type)
{
$this->_type = $type;
return $this;
}
/**
* Returns the document type
*
* @return string
*
* @since 11.1
*/
public function getType()
{
return $this->_type;
}
/**
* Get the contents of the document buffer
*
* @return The contents of the document buffer
*
* @since 11.1
*/
public function getBuffer()
{
return self::$_buffer;
}
/**
* Set the contents of the document buffer
*
* @param string $content The content to be set in the buffer.
* @param array $options Array of optional elements.
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function setBuffer($content, $options = array())
{
self::$_buffer = $content;
return $this;
}
/**
* Gets a meta tag.
*
* @param string $name Value of name or http-equiv tag
* @param boolean $httpEquiv META type "http-equiv" defaults to null
*
* @return string
*
* @since 11.1
*/
public function getMetaData($name, $httpEquiv = false)
{
if ($name == 'generator')
{
$result = $this->getGenerator();
}
elseif ($name == 'description')
{
$result = $this->getDescription();
}
else
{
if ($httpEquiv == true)
{
$result = @$this->_metaTags['http-equiv'][$name];
}
else
{
$result = @$this->_metaTags['standard'][$name];
}
}
return $result;
}
/**
* Sets or alters a meta tag.
*
* @param string $name Value of name or http-equiv tag
* @param string $content Value of the content tag
* @param boolean $http_equiv META type "http-equiv" defaults to null
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function setMetaData($name, $content, $http_equiv = false)
{
if ($name == 'generator')
{
$this->setGenerator($content);
}
elseif ($name == 'description')
{
$this->setDescription($content);
}
else
{
if ($http_equiv == true)
{
$this->_metaTags['http-equiv'][$name] = $content;
}
else
{
$this->_metaTags['standard'][$name] = $content;
}
}
return $this;
}
/**
* Adds a linked script to the page
*
* @param string $url URL to the linked script
* @param string $type Type of script. Defaults to 'text/javascript'
* @param boolean $defer Adds the defer attribute.
* @param boolean $async Adds the async attribute.
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function addScript($url, $type = "text/javascript", $defer = false, $async = false)
{
$this->_scripts[$url]['mime'] = $type;
$this->_scripts[$url]['defer'] = $defer;
$this->_scripts[$url]['async'] = $async;
return $this;
}
/**
* Adds a linked script to the page with a version to allow to flush it. Ex: myscript.js54771616b5bceae9df03c6173babf11d
* If not specified Joomla! automatically handles versioning
*
* @param string $url URL to the linked script
* @param string $version Version of the script
* @param string $type Type of script. Defaults to 'text/javascript'
* @param boolean $defer Adds the defer attribute.
* @param boolean $async [description]
*
* @return JDocument instance of $this to allow chaining
*
* @since 3.2
*/
public function addScriptVersion($url, $version = null, $type = "text/javascript", $defer = false, $async = false)
{
// Automatic version
if ($version === null)
{
$version = $this->getMediaVersion();
}
if (!empty($version) && strpos($url, '?') === false)
{
$url .= '?' . $version;
}
return $this->addScript($url, $type, $defer, $async);
}
/**
* Adds a script to the page
*
* @param string $content Script
* @param string $type Scripting mime (defaults to 'text/javascript')
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function addScriptDeclaration($content, $type = 'text/javascript')
{
if (!isset($this->_script[strtolower($type)]))
{
$this->_script[strtolower($type)] = $content;
}
else
{
$this->_script[strtolower($type)] .= chr(13) . $content;
}
return $this;
}
/**
* Adds a linked stylesheet to the page
*
* @param string $url URL to the linked style sheet
* @param string $type Mime encoding type
* @param string $media Media type that this stylesheet applies to
* @param array $attribs Array of attributes
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function addStyleSheet($url, $type = 'text/css', $media = null, $attribs = array())
{
$this->_styleSheets[$url]['mime'] = $type;
$this->_styleSheets[$url]['media'] = $media;
$this->_styleSheets[$url]['attribs'] = $attribs;
return $this;
}
/**
* Adds a linked stylesheet version to the page. Ex: template.css?54771616b5bceae9df03c6173babf11d
* If not specified Joomla! automatically handles versioning
*
* @param string $url URL to the linked style sheet
* @param string $version Version of the stylesheet
* @param string $type Mime encoding type
* @param string $media Media type that this stylesheet applies to
* @param array $attribs Array of attributes
*
* @return JDocument instance of $this to allow chaining
*
* @since 3.2
*/
public function addStyleSheetVersion($url, $version = null, $type = "text/css", $media = null, $attribs = array())
{
// Automatic version
if ($version === null)
{
$version = $this->getMediaVersion();
}
if (!empty($version) && strpos($url, '?') === false)
{
$url .= '?' . $version;
}
return $this->addStyleSheet($url, $type, $media, $attribs);
}
/**
* Adds a stylesheet declaration to the page
*
* @param string $content Style declarations
* @param string $type Type of stylesheet (defaults to 'text/css')
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function addStyleDeclaration($content, $type = 'text/css')
{
if (!isset($this->_style[strtolower($type)]))
{
$this->_style[strtolower($type)] = $content;
}
else
{
$this->_style[strtolower($type)] .= chr(13) . $content;
}
return $this;
}
/**
* Sets the document charset
*
* @param string $type Charset encoding string
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function setCharset($type = 'utf-8')
{
$this->_charset = $type;
return $this;
}
/**
* Returns the document charset encoding.
*
* @return string
*
* @since 11.1
*/
public function getCharset()
{
return $this->_charset;
}
/**
* Sets the global document language declaration. Default is English (en-gb).
*
* @param string $lang The language to be set
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function setLanguage($lang = "en-gb")
{
$this->language = strtolower($lang);
return $this;
}
/**
* Returns the document language.
*
* @return string
*
* @since 11.1
*/
public function getLanguage()
{
return $this->language;
}
/**
* Sets the global document direction declaration. Default is left-to-right (ltr).
*
* @param string $dir The language direction to be set
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function setDirection($dir = "ltr")
{
$this->direction = strtolower($dir);
return $this;
}
/**
* Returns the document direction declaration.
*
* @return string
*
* @since 11.1
*/
public function getDirection()
{
return $this->direction;
}
/**
* Sets the title of the document
*
* @param string $title The title to be set
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function setTitle($title)
{
$this->title = $title;
return $this;
}
/**
* Return the title of the document.
*
* @return string
*
* @since 11.1
*/
public function getTitle()
{
return $this->title;
}
/**
* Set the assets version
*
* @param string $mediaVersion Media version to use
*
* @return JDocument instance of $this to allow chaining
*
* @since 3.2
*/
public function setMediaVersion($mediaVersion)
{
$this->mediaVersion = strtolower($mediaVersion);
return $this;
}
/**
* Return the media version
*
* @return string
*
* @since 3.2
*/
public function getMediaVersion()
{
return $this->mediaVersion;
}
/**
* Sets the base URI of the document
*
* @param string $base The base URI to be set
*
* @return JDocument instance of $this to allow chaining
*
* @since 11.1
*/
public function setBase($base)
{
$this->base = $base;
return $this;
}
/**
* Return the base URI of the document.
*
* @return string
*
* @since 11.1
*/
public function getBase()
{
return $this->base;
}
/**
* 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())
{
$app = JFactory::getApplication();
if ($mdate = $this->getModifiedDate())
{
$app->modifiedDate = $mdate;
}
$app->mimeType = $this->_mime;
$app->charSet = $this->_charset;
}
}
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