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<?php |
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namespace NVBooster\PHPCRAssetsBundle\Twig; |
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/** |
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* @author nvb |
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* |
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*/ |
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class PHPCRAssetsExtension extends \Twig_Extension |
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{ |
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/** |
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* @var string |
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*/ |
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private $jsPath; |
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/** |
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* @var string |
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*/ |
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private $cssPath; |
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/** |
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* @var string |
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*/ |
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private $modesDir; |
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/** |
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* @var string |
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*/ |
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private $themesDir; |
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/** |
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* @var array |
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*/ |
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private $rendered; |
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/** |
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* @param array $paths |
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*/ |
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public function __construct($paths = array()) |
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{ |
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$this->jsPath = key_exists('js', $paths) ? $paths['js'] : false; |
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$this->cssPath = key_exists('css', $paths) ? $paths['css'] : false; |
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$this->modesDir = key_exists('modes_dir', $paths) ? $paths['modes_dir'] : false; |
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$this->themesDir = key_exists('themes_dir', $paths) ? $paths['themes_dir'] : false; |
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$this->rendered = array(); |
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} |
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/** |
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* {@inheritDoc} |
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* @see Twig_Extension::getFunctions() |
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*/ |
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public function getFunctions() |
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{ |
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return array( |
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new \Twig_SimpleFunction('phpcrassets_codemirror_params', array($this, 'parametersRender'), array('is_safe' => array('html'))), |
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new \Twig_SimpleFunction('phpcrassets_codemirror_css', array($this, 'getCss')), |
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new \Twig_SimpleFunction('phpcrassets_codemirror_js', array($this, 'getJs')), |
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); |
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} |
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/** |
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* @param array $parameters |
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*/ |
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public function parametersRender($parameters) |
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{ |
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return json_encode($parameters); |
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} |
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/** |
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* @param array $parameters |
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* @param string $force |
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* |
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* @return array |
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*/ |
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public function getJs($parameters, $force = false) |
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{ |
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$urls = array(); |
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if ($this->jsPath) { |
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$urls[] = $this->jsPath; |
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} |
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if ($this->modesDir) { |
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$urls[] = preg_replace('@\/$@', '', $this->modesDir) . '/' . $parameters['mode'] . '/' . $parameters['mode'] . '.js'; |
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} |
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if (!$force) { |
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$urls = array_diff($urls, $this->rendered); |
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} |
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$this->rendered = array_unique(array_merge($this->rendered, $urls)); |
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return $urls; |
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} |
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/** |
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* @param array $parameters |
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* @param string $force |
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* |
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* @return array |
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*/ |
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public function getCss($parameters, $force = false) |
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{ |
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$urls = array(); |
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if ($this->cssPath) { |
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$urls[] = $this->cssPath; |
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} |
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if ($this->modesDir) { |
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$urls[] = preg_replace('@\/$@', '', $this->themesDir) . '/' . $parameters['theme'] . '.css'; |
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} |
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if (!$force) { |
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$urls = array_diff($urls, $this->rendered); |
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} |
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$this->rendered = array_unique(array_merge($this->rendered, $urls)); |
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return $urls; |
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} |
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/** |
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* {@inheritDoc} |
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* @see Twig_ExtensionInterface::getName() |
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*/ |
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public function getName() |
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{ |
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return 'phpcrassets_extension'; |
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} |
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} |
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In PHP, under loose comparison (like
==
, or!=
, orswitch
conditions), values of different types might be equal.For
string
values, the empty string''
is a special case, in particular the following results might be unexpected: