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<?php |
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/* |
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* This file is part of the Superdesk Web Publisher Core Bundle. |
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* |
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* Copyright 2016 Sourcefabric z.ú. and contributors. |
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* |
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* For the full copyright and license information, please see the |
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* AUTHORS and LICENSE files distributed with this source code. |
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* |
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* @copyright 2016 Sourcefabric z.ú |
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* @license http://www.superdesk.org/license |
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*/ |
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namespace SWP\Bundle\CoreBundle\Twig; |
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class StringyExtension extends \Twig_Extension |
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{ |
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const EXCLUDE_FUNCTIONS = ['__construct', '__toString', 'create']; |
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/** |
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* @var \Twig_Environment |
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*/ |
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protected $environment; |
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/** |
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* @var array |
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*/ |
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protected $functions = []; |
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/** |
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* @var array |
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*/ |
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protected $filters = []; |
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public function __construct(\Twig_Environment $environment) |
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{ |
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$this->environment = $environment; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFilters() |
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{ |
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$this->lazyInit(); |
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return $this->filters; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getFunctions() |
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{ |
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$this->lazyInit(); |
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return $this->functions; |
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} |
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/** |
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* Initializes arrays of filters and functions. |
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*/ |
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private function lazyInit() |
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{ |
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$stringyClass = new \ReflectionClass('Stringy\Stringy'); |
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$methods = $stringyClass->getMethods(\ReflectionMethod::IS_PUBLIC); |
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$names = array_map(function ($value) { |
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return $value->getName(); |
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}, $methods); |
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foreach ($names as $name) { |
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if (in_array($name, self::EXCLUDE_FUNCTIONS)) { |
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continue; |
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} |
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$method = $stringyClass->getMethod($name); |
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// Get the return type from the doc comment |
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$doc = $method->getDocComment(); |
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if (strpos($doc, '@return bool')) { |
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// Don't add functions which have the same name as any already in the environment |
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if ($this->environment->getFunction($name)) { |
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continue; |
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} |
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$this->functions[$name] = new \Twig_SimpleFunction($name, function () use ($name) { |
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return call_user_func_array(['Stringy\StaticStringy', $name], func_get_args()); |
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}); |
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} else { |
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// Don't add filters which have the same name as any already in the environment |
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if ($this->environment->getFilter($name)) { |
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continue; |
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} |
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$this->filters[$name] = new \Twig_SimpleFilter($name, function () use ($name) { |
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return call_user_func_array(['Stringy\StaticStringy', $name], func_get_args()); |
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}); |
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} |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getName() |
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{ |
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return 'stringy_extension'; |
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} |
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} |
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ahilles107 /
web-publisher
