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Diffstat (limited to '')
| -rw-r--r-- | library/vendor/Zend/View/Helper/HeadLink.php | 471 |
1 files changed, 471 insertions, 0 deletions
diff --git a/library/vendor/Zend/View/Helper/HeadLink.php b/library/vendor/Zend/View/Helper/HeadLink.php new file mode 100644 index 0000000..3b1bcb7 --- /dev/null +++ b/library/vendor/Zend/View/Helper/HeadLink.php @@ -0,0 +1,471 @@ +<?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_View_Helper_Placeholder_Container_Standalone */ + +/** + * Zend_Layout_View_Helper_HeadLink + * + * @see http://www.w3.org/TR/xhtml1/dtds.html + * @uses Zend_View_Helper_Placeholder_Container_Standalone + * @package Zend_View + * @subpackage Helper + * @copyright Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com) + * @license http://framework.zend.com/license/new-bsd New BSD License + * @method $this appendAlternate($href, $type, $title, $extras) + * @method $this appendStylesheet($href, $media = 'screen', $conditionalStylesheet = false, array $extras = array()) + * @method $this offsetSetAlternate($index, $href, $type, $title, $extras) + * @method $this offsetSetStylesheet($index, $href, $media = 'screen', $conditionalStylesheet = false, array $extras = array()) + * @method $this prependAlternate($href, $type, $title, $extras) + * @method $this prependStylesheet($href, $media = 'screen', $conditionalStylesheet = false, array $extras = array()) + * @method $this setAlternate($href, $type, $title, $extras) + * @method $this setStylesheet($href, $media = 'screen', $conditionalStylesheet = false, array $extras = array()) + */ +class Zend_View_Helper_HeadLink extends Zend_View_Helper_Placeholder_Container_Standalone +{ + /** + * $_validAttributes + * + * @var array + */ + protected $_itemKeys = array( + 'charset', + 'href', + 'hreflang', + 'id', + 'media', + 'rel', + 'rev', + 'type', + 'title', + 'extras', + 'sizes', + ); + + /** + * @var string registry key + */ + protected $_regKey = 'Zend_View_Helper_HeadLink'; + + /** + * Constructor + * + * Use PHP_EOL as separator + * + * @return void + */ + public function __construct() + { + parent::__construct(); + $this->setSeparator(PHP_EOL); + } + + /** + * headLink() - View Helper Method + * + * Returns current object instance. Optionally, allows passing array of + * values to build link. + * + * @return Zend_View_Helper_HeadLink + */ + public function headLink(array $attributes = null, $placement = Zend_View_Helper_Placeholder_Container_Abstract::APPEND) + { + if (null !== $attributes) { + $item = $this->createData($attributes); + switch ($placement) { + case Zend_View_Helper_Placeholder_Container_Abstract::SET: + $this->set($item); + break; + case Zend_View_Helper_Placeholder_Container_Abstract::PREPEND: + $this->prepend($item); + break; + case Zend_View_Helper_Placeholder_Container_Abstract::APPEND: + default: + $this->append($item); + break; + } + } + return $this; + } + + /** + * Overload method access + * + * Creates the following virtual methods: + * - appendStylesheet($href, $media, $conditionalStylesheet, $extras) + * - offsetSetStylesheet($index, $href, $media, $conditionalStylesheet, $extras) + * - prependStylesheet($href, $media, $conditionalStylesheet, $extras) + * - setStylesheet($href, $media, $conditionalStylesheet, $extras) + * - appendAlternate($href, $type, $title, $extras) + * - offsetSetAlternate($index, $href, $type, $title, $extras) + * - prependAlternate($href, $type, $title, $extras) + * - setAlternate($href, $type, $title, $extras) + * + * Items that may be added in the future: + * - Navigation? need to find docs on this + * - public function appendStart() + * - public function appendContents() + * - public function appendPrev() + * - public function appendNext() + * - public function appendIndex() + * - public function appendEnd() + * - public function appendGlossary() + * - public function appendAppendix() + * - public function appendHelp() + * - public function appendBookmark() + * - Other? + * - public function appendCopyright() + * - public function appendChapter() + * - public function appendSection() + * - public function appendSubsection() + * + * @param mixed $method + * @param mixed $args + * @return void + */ + public function __call($method, $args) + { + if (preg_match('/^(?P<action>set|(ap|pre)pend|offsetSet)(?P<type>Stylesheet|Alternate)$/', $method, $matches)) { + $argc = count($args); + $action = $matches['action']; + $type = $matches['type']; + $index = null; + + if ('offsetSet' == $action) { + if (0 < $argc) { + $index = array_shift($args); + --$argc; + } + } + + if (1 > $argc) { + $e = new Zend_View_Exception(sprintf('%s requires at least one argument', $method)); + $e->setView($this->view); + throw $e; + } + + if (is_array($args[0])) { + $item = $this->createData($args[0]); + } else { + $dataMethod = 'createData' . $type; + $item = $this->$dataMethod($args); + } + + if ($item) { + if ('offsetSet' == $action) { + $this->offsetSet($index, $item); + } else { + $this->$action($item); + } + } + + return $this; + } + + return parent::__call($method, $args); + } + + /** + * Check if value is valid + * + * @param mixed $value + * @return boolean + */ + protected function _isValid($value) + { + if (!$value instanceof stdClass) { + return false; + } + + $vars = get_object_vars($value); + $keys = array_keys($vars); + $intersection = array_intersect($this->_itemKeys, $keys); + if (empty($intersection)) { + return false; + } + + return true; + } + + /** + * append() + * + * @param array $value + * @return void + */ + public function append($value) + { + if (!$this->_isValid($value)) { + $e = new Zend_View_Exception('append() expects a data token; please use one of the custom append*() methods'); + $e->setView($this->view); + throw $e; + } + + return $this->getContainer()->append($value); + } + + /** + * offsetSet() + * + * @param string|int $index + * @param array $value + * @return void + */ + public function offsetSet($index, $value): void + { + if (!$this->_isValid($value)) { + $e = new Zend_View_Exception('offsetSet() expects a data token; please use one of the custom offsetSet*() methods'); + $e->setView($this->view); + throw $e; + } + + $this->getContainer()->offsetSet($index, $value); + } + + /** + * prepend() + * + * @param array $value + * @return Zend_Layout_ViewHelper_HeadLink + */ + public function prepend($value) + { + if (!$this->_isValid($value)) { + $e = new Zend_View_Exception('prepend() expects a data token; please use one of the custom prepend*() methods'); + $e->setView($this->view); + throw $e; + } + + return $this->getContainer()->prepend($value); + } + + /** + * set() + * + * @param array $value + * @return Zend_Layout_ViewHelper_HeadLink + */ + public function set($value) + { + if (!$this->_isValid($value)) { + $e = new Zend_View_Exception('set() expects a data token; please use one of the custom set*() methods'); + $e->setView($this->view); + throw $e; + } + + return $this->getContainer()->set($value); + } + + + /** + * Create HTML link element from data item + * + * @param stdClass $item + * @return string + */ + public function itemToString(stdClass $item) + { + $attributes = (array) $item; + $link = '<link '; + + foreach ($this->_itemKeys as $itemKey) { + if (isset($attributes[$itemKey])) { + if(is_array($attributes[$itemKey])) { + foreach($attributes[$itemKey] as $key => $value) { + $link .= sprintf('%s="%s" ', $key, ($this->_autoEscape) ? $this->_escape($value) : $value); + } + } else { + $link .= sprintf('%s="%s" ', $itemKey, ($this->_autoEscape) ? $this->_escape($attributes[$itemKey]) : $attributes[$itemKey]); + } + } + } + + if ($this->view instanceof Zend_View_Abstract) { + $link .= ($this->view->doctype()->isXhtml()) ? '/>' : '>'; + } else { + $link .= '/>'; + } + + if (($link == '<link />') || ($link == '<link >')) { + return ''; + } + + if (isset($attributes['conditionalStylesheet']) + && !empty($attributes['conditionalStylesheet']) + && is_string($attributes['conditionalStylesheet'])) + { + if (str_replace(' ', '', $attributes['conditionalStylesheet']) === '!IE') { + $link = '<!-->' . $link . '<!--'; + } + $link = '<!--[if ' . $attributes['conditionalStylesheet'] . ']>' . $link . '<![endif]-->'; + } + + return $link; + } + + /** + * Render link elements as string + * + * @param string|int $indent + * @return string + */ + public function toString($indent = null) + { + $indent = (null !== $indent) + ? $this->getWhitespace($indent) + : $this->getIndent(); + + $items = array(); + $this->getContainer()->ksort(); + foreach ($this as $item) { + $items[] = $this->itemToString($item); + } + + return $indent . implode($this->_escape($this->getSeparator()) . $indent, $items); + } + + /** + * Create data item for stack + * + * @param array $attributes + * @return stdClass + */ + public function createData(array $attributes) + { + $data = (object) $attributes; + return $data; + } + + /** + * Create item for stylesheet link item + * + * @param array $args + * @return stdClass|false Returns fals if stylesheet is a duplicate + */ + public function createDataStylesheet(array $args) + { + $rel = 'stylesheet'; + $type = 'text/css'; + $media = 'screen'; + $conditionalStylesheet = false; + $href = array_shift($args); + + if ($this->_isDuplicateStylesheet($href)) { + return false; + } + + if (0 < count($args)) { + $media = array_shift($args); + if(is_array($media)) { + $media = implode(',', $media); + } else { + $media = (string) $media; + } + } + if (0 < count($args)) { + $conditionalStylesheet = array_shift($args); + if(!empty($conditionalStylesheet) && is_string($conditionalStylesheet)) { + $conditionalStylesheet = (string) $conditionalStylesheet; + } else { + $conditionalStylesheet = null; + } + } + + if(0 < count($args) && is_array($args[0])) { + $extras = array_shift($args); + $extras = (array) $extras; + } + + $attributes = compact('rel', 'type', 'href', 'media', 'conditionalStylesheet', 'extras'); + return $this->createData($this->_applyExtras($attributes)); + } + + /** + * Is the linked stylesheet a duplicate? + * + * @param string $uri + * @return bool + */ + protected function _isDuplicateStylesheet($uri) + { + foreach ($this->getContainer() as $item) { + if (($item->rel == 'stylesheet') && ($item->href == $uri)) { + return true; + } + } + return false; + } + + /** + * Create item for alternate link item + * + * @param array $args + * @return stdClass + */ + public function createDataAlternate(array $args) + { + if (3 > count($args)) { + $e = new Zend_View_Exception(sprintf('Alternate tags require 3 arguments; %s provided', count($args))); + $e->setView($this->view); + throw $e; + } + + $rel = 'alternate'; + $href = array_shift($args); + $type = array_shift($args); + $title = array_shift($args); + + if(0 < count($args) && is_array($args[0])) { + $extras = array_shift($args); + $extras = (array) $extras; + + if(isset($extras['media']) && is_array($extras['media'])) { + $extras['media'] = implode(',', $extras['media']); + } + } + + $href = (string) $href; + $type = (string) $type; + $title = (string) $title; + + $attributes = compact('rel', 'href', 'type', 'title', 'extras'); + return $this->createData($this->_applyExtras($attributes)); + } + + /** + * Apply any overrides specified in the 'extras' array + * @param array $attributes + * @return array + */ + protected function _applyExtras($attributes) + { + if (isset($attributes['extras'])) { + foreach ($attributes['extras'] as $eKey=>$eVal) { + if (isset($attributes[$eKey])) { + $attributes[$eKey] = $eVal; + unset($attributes['extras'][$eKey]); + } + } + } + return $attributes; + } +} |