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<?php
/**
* Zend Framework
*
* LICENSE
*
* This source file is subject to the new BSD license that is bundled
* with this package in the file LICENSE.txt.
* It is also available through the world-wide-web at this URL:
* http://framework.zend.com/license/new-bsd
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@zend.com so we can send you a copy immediately.
*
* @category Zend
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @version $Id$
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
/** Zend_Registry */
/** Zend_View_Helper_Abstract.php */
/**
* Helper for setting and retrieving the doctype
*
* @package Zend_View
* @subpackage Helper
* @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
class Zend_View_Helper_Doctype extends Zend_View_Helper_Abstract
{
/**#@+
* DocType constants
*/
const XHTML11 = 'XHTML11';
const XHTML1_STRICT = 'XHTML1_STRICT';
const XHTML1_TRANSITIONAL = 'XHTML1_TRANSITIONAL';
const XHTML1_FRAMESET = 'XHTML1_FRAMESET';
const XHTML1_RDFA = 'XHTML1_RDFA';
const XHTML1_RDFA11 = 'XHTML1_RDFA11';
const XHTML_BASIC1 = 'XHTML_BASIC1';
const XHTML5 = 'XHTML5';
const HTML4_STRICT = 'HTML4_STRICT';
const HTML4_LOOSE = 'HTML4_LOOSE';
const HTML4_FRAMESET = 'HTML4_FRAMESET';
const HTML5 = 'HTML5';
const CUSTOM_XHTML = 'CUSTOM_XHTML';
const CUSTOM = 'CUSTOM';
/**#@-*/
/**
* Default DocType
* @var string
*/
protected $_defaultDoctype = self::HTML4_LOOSE;
/**
* Registry containing current doctype and mappings
* @var ArrayObject
*/
protected $_registry;
/**
* Registry key in which helper is stored
* @var string
*/
protected $_regKey = 'Zend_View_Helper_Doctype';
/**
* Constructor
*
* Map constants to doctype strings, and set default doctype
*
* @return void
*/
public function __construct()
{
if (!Zend_Registry::isRegistered($this->_regKey)) {
$this->_registry = new ArrayObject(array(
'doctypes' => array(
self::XHTML11 => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">',
self::XHTML1_STRICT => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">',
self::XHTML1_TRANSITIONAL => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">',
self::XHTML1_FRAMESET => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Frameset//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-frameset.dtd">',
self::XHTML1_RDFA => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">',
self::XHTML1_RDFA11 => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.1//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-2.dtd">',
self::XHTML_BASIC1 => '<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.0//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd">',
self::XHTML5 => '<!DOCTYPE html>',
self::HTML4_STRICT => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">',
self::HTML4_LOOSE => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">',
self::HTML4_FRAMESET => '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN" "http://www.w3.org/TR/html4/frameset.dtd">',
self::HTML5 => '<!DOCTYPE html>',
)
));
Zend_Registry::set($this->_regKey, $this->_registry);
$this->setDoctype($this->_defaultDoctype);
} else {
$this->_registry = Zend_Registry::get($this->_regKey);
}
}
/**
* Set or retrieve doctype
*
* @param string $doctype
* @return Zend_View_Helper_Doctype
*/
public function doctype($doctype = null)
{
if (null !== $doctype) {
switch ($doctype) {
case self::XHTML11:
case self::XHTML1_STRICT:
case self::XHTML1_TRANSITIONAL:
case self::XHTML1_FRAMESET:
case self::XHTML_BASIC1:
case self::XHTML1_RDFA:
case self::XHTML1_RDFA11:
case self::XHTML5:
case self::HTML4_STRICT:
case self::HTML4_LOOSE:
case self::HTML4_FRAMESET:
case self::HTML5:
$this->setDoctype($doctype);
break;
default:
if (substr($doctype, 0, 9) != '<!DOCTYPE') {
$e = new Zend_View_Exception('The specified doctype is malformed');
$e->setView($this->view);
throw $e;
}
if (stristr($doctype, 'xhtml')) {
$type = self::CUSTOM_XHTML;
} else {
$type = self::CUSTOM;
}
$this->setDoctype($type);
$this->_registry['doctypes'][$type] = $doctype;
break;
}
}
return $this;
}
/**
* Set doctype
*
* @param string $doctype
* @return Zend_View_Helper_Doctype
*/
public function setDoctype($doctype)
{
$this->_registry['doctype'] = $doctype;
return $this;
}
/**
* Retrieve doctype
*
* @return string
*/
public function getDoctype()
{
return $this->_registry['doctype'];
}
/**
* Get doctype => string mappings
*
* @return array
*/
public function getDoctypes()
{
return $this->_registry['doctypes'];
}
/**
* Is doctype XHTML?
*
* @return boolean
*/
public function isXhtml()
{
return (stristr($this->getDoctype(), 'xhtml') ? true : false);
}
/**
* Is doctype strict?
*
* @return boolean
*/
public function isStrict()
{
switch ( $this->getDoctype() )
{
case self::XHTML1_STRICT:
case self::XHTML11:
case self::HTML4_STRICT:
return true;
default:
return false;
}
}
/**
* Is doctype HTML5? (HeadMeta uses this for validation)
*
* @return booleean
*/
public function isHtml5() {
return (stristr($this->doctype(), '<!DOCTYPE html>') ? true : false);
}
/**
* Is doctype RDFa?
*
* @return booleean
*/
public function isRdfa() {
return (stristr($this->getDoctype(), 'rdfa') ? true : false);
}
/**
* String representation of doctype
*
* @return string
*/
public function __toString()
{
$doctypes = $this->getDoctypes();
return $doctypes[$this->getDoctype()];
}
}
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