/test/lib/Zend/View/Helper/HeadMeta.php
PHP | 363 lines | 179 code | 36 blank | 148 comment | 31 complexity | a7cbf9125f5beaed66dc99d0b1068196 MD5 | raw file
- <?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) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
- * @version $Id: HeadMeta.php 16971 2009-07-22 18:05:45Z mikaelkael $
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- /** Zend_View_Helper_Placeholder_Container_Standalone */
- #require_once 'Zend/View/Helper/Placeholder/Container/Standalone.php';
- /**
- * Zend_Layout_View_Helper_HeadMeta
- *
- * @see http://www.w3.org/TR/xhtml1/dtds.html
- * @uses Zend_View_Helper_Placeholder_Container_Standalone
- * @package Zend_View
- * @subpackage Helper
- * @copyright Copyright (c) 2005-2009 Zend Technologies USA Inc. (http://www.zend.com)
- * @license http://framework.zend.com/license/new-bsd New BSD License
- */
- class Zend_View_Helper_HeadMeta extends Zend_View_Helper_Placeholder_Container_Standalone
- {
- /**
- * Types of attributes
- * @var array
- */
- protected $_typeKeys = array('name', 'http-equiv');
- protected $_requiredKeys = array('content');
- protected $_modifierKeys = array('lang', 'scheme');
- /**
- * @var string registry key
- */
- protected $_regKey = 'Zend_View_Helper_HeadMeta';
- /**
- * Constructor
- *
- * Set separator to PHP_EOL
- *
- * @return void
- */
- public function __construct()
- {
- parent::__construct();
- $this->setSeparator(PHP_EOL);
- }
- /**
- * Retrieve object instance; optionally add meta tag
- *
- * @param string $content
- * @param string $keyValue
- * @param string $keyType
- * @param array $modifiers
- * @param string $placement
- * @return Zend_View_Helper_HeadMeta
- */
- public function headMeta($content = null, $keyValue = null, $keyType = 'name', $modifiers = array(), $placement = Zend_View_Helper_Placeholder_Container_Abstract::APPEND)
- {
- if ((null !== $content) && (null !== $keyValue)) {
- $item = $this->createData($keyType, $keyValue, $content, $modifiers);
- $action = strtolower($placement);
- switch ($action) {
- case 'append':
- case 'prepend':
- case 'set':
- $this->$action($item);
- break;
- default:
- $this->append($item);
- break;
- }
- }
- return $this;
- }
- protected function _normalizeType($type)
- {
- switch ($type) {
- case 'Name':
- return 'name';
- case 'HttpEquiv':
- return 'http-equiv';
- default:
- #require_once 'Zend/View/Exception.php';
- throw new Zend_View_Exception(sprintf('Invalid type "%s" passed to _normalizeType', $type));
- }
- }
- /**
- * Overload method access
- *
- * Allows the following 'virtual' methods:
- * - appendName($keyValue, $content, $modifiers = array())
- * - offsetGetName($index, $keyValue, $content, $modifers = array())
- * - prependName($keyValue, $content, $modifiers = array())
- * - setName($keyValue, $content, $modifiers = array())
- * - appendHttpEquiv($keyValue, $content, $modifiers = array())
- * - offsetGetHttpEquiv($index, $keyValue, $content, $modifers = array())
- * - prependHttpEquiv($keyValue, $content, $modifiers = array())
- * - setHttpEquiv($keyValue, $content, $modifiers = array())
- *
- * @param string $method
- * @param array $args
- * @return Zend_View_Helper_HeadMeta
- */
- public function __call($method, $args)
- {
- if (preg_match('/^(?P<action>set|(pre|ap)pend|offsetSet)(?P<type>Name|HttpEquiv)$/', $method, $matches)) {
- $action = $matches['action'];
- $type = $this->_normalizeType($matches['type']);
- $argc = count($args);
- $index = null;
- if ('offsetSet' == $action) {
- if (0 < $argc) {
- $index = array_shift($args);
- --$argc;
- }
- }
- if (2 > $argc) {
- #require_once 'Zend/View/Exception.php';
- throw new Zend_View_Exception('Too few arguments provided; requires key value, and content');
- }
- if (3 > $argc) {
- $args[] = array();
- }
- $item = $this->createData($type, $args[0], $args[1], $args[2]);
- if ('offsetSet' == $action) {
- return $this->offsetSet($index, $item);
- }
- if ($action == 'set') {
- //var_dump($this->getContainer());
- }
- $this->$action($item);
- return $this;
- }
- return parent::__call($method, $args);
- }
- /**
- * Determine if item is valid
- *
- * @param mixed $item
- * @return boolean
- */
- protected function _isValid($item)
- {
- if ((!$item instanceof stdClass)
- || !isset($item->type)
- || !isset($item->content)
- || !isset($item->modifiers))
- {
- return false;
- }
- return true;
- }
- /**
- * Append
- *
- * @param string $value
- * @return void
- * @throws Zend_View_Exception
- */
- public function append($value)
- {
- if (!$this->_isValid($value)) {
- #require_once 'Zend/View/Exception.php';
- throw new Zend_View_Exception('Invalid value passed to append; please use appendMeta()');
- }
- return $this->getContainer()->append($value);
- }
- /**
- * OffsetSet
- *
- * @param string|int $index
- * @param string $value
- * @return void
- * @throws Zend_View_Exception
- */
- public function offsetSet($index, $value)
- {
- if (!$this->_isValid($value)) {
- #require_once 'Zend/View/Exception.php';
- throw new Zend_View_Exception('Invalid value passed to offsetSet; please use offsetSetMeta()');
- }
- return $this->getContainer()->offsetSet($index, $value);
- }
- /**
- * OffsetUnset
- *
- * @param string|int $index
- * @return void
- * @throws Zend_View_Exception
- */
- public function offsetUnset($index)
- {
- if (!in_array($index, $this->getContainer()->getKeys())) {
- #require_once 'Zend/View/Exception.php';
- throw new Zend_View_Exception('Invalid index passed to offsetUnset.');
- }
- return $this->getContainer()->offsetUnset($index);
- }
- /**
- * Prepend
- *
- * @param string $value
- * @return void
- * @throws Zend_View_Exception
- */
- public function prepend($value)
- {
- if (!$this->_isValid($value)) {
- #require_once 'Zend/View/Exception.php';
- throw new Zend_View_Exception('Invalid value passed to prepend; please use prependMeta()');
- }
- return $this->getContainer()->prepend($value);
- }
- /**
- * Set
- *
- * @param string $value
- * @return void
- * @throws Zend_View_Exception
- */
- public function set($value)
- {
- if (!$this->_isValid($value)) {
- #require_once 'Zend/View/Exception.php';
- throw new Zend_View_Exception('Invalid value passed to set; please use setMeta()');
- }
- $container = $this->getContainer();
- foreach ($container->getArrayCopy() as $index => $item) {
- if ($item->type == $value->type && $item->{$item->type} == $value->{$value->type}) {
- $this->offsetUnset($index);
- }
- }
- return $this->append($value);
- }
- /**
- * Build meta HTML string
- *
- * @param string $type
- * @param string $typeValue
- * @param string $content
- * @param array $modifiers
- * @return string
- */
- public function itemToString(stdClass $item)
- {
- if (!in_array($item->type, $this->_typeKeys)) {
- #require_once 'Zend/View/Exception.php';
- throw new Zend_View_Exception(sprintf('Invalid type "%s" provided for meta', $item->type));
- }
- $type = $item->type;
- $modifiersString = '';
- foreach ($item->modifiers as $key => $value) {
- if (!in_array($key, $this->_modifierKeys)) {
- continue;
- }
- $modifiersString .= $key . '="' . $this->_escape($value) . '" ';
- }
- if ($this->view instanceof Zend_View_Abstract) {
- $tpl = ($this->view->doctype()->isXhtml())
- ? '<meta %s="%s" content="%s" %s/>'
- : '<meta %s="%s" content="%s" %s>';
- } else {
- $tpl = '<meta %s="%s" content="%s" %s/>';
- }
- $meta = sprintf(
- $tpl,
- $type,
- $this->_escape($item->$type),
- $this->_escape($item->content),
- $modifiersString
- );
- return $meta;
- }
- /**
- * Render placeholder as string
- *
- * @param string|int $indent
- * @return string
- */
- public function toString($indent = null)
- {
- $indent = (null !== $indent)
- ? $this->getWhitespace($indent)
- : $this->getIndent();
- $items = array();
- $this->getContainer()->ksort();
- try {
- foreach ($this as $item) {
- $items[] = $this->itemToString($item);
- }
- } catch (Zend_View_Exception $e) {
- trigger_error($e->getMessage(), E_USER_WARNING);
- return '';
- }
- return $indent . implode($this->_escape($this->getSeparator()) . $indent, $items);
- }
- /**
- * Create data item for inserting into stack
- *
- * @param string $type
- * @param string $typeValue
- * @param string $content
- * @param array $modifiers
- * @return stdClass
- */
- public function createData($type, $typeValue, $content, array $modifiers)
- {
- $data = new stdClass;
- $data->type = $type;
- $data->$type = $typeValue;
- $data->content = $content;
- $data->modifiers = $modifiers;
- return $data;
- }
- }