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<?php |
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/** |
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* Webino (http://webino.sk) |
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* |
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* @link https://github.com/webino/WebinoDraw for the canonical source repository |
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* @copyright Copyright (c) 2012-2017 Webino, s. r. o. (http://webino.sk) |
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* @author Peter Bačinský <[email protected]> |
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* @license BSD-3-Clause |
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*/ |
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namespace WebinoDraw\VarTranslator\Operation; |
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use WebinoDraw\Exception; |
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use WebinoDraw\VarTranslator\Translation; |
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use Zend\Filter\FilterPluginManager; |
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/** |
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* Class Filter |
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*/ |
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class Filter |
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{ |
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/** |
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* @var FilterPluginManager |
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*/ |
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protected $filters; |
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/** |
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* @param FilterPluginManager $filters |
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*/ |
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public function __construct(FilterPluginManager $filters) |
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{ |
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$this->filters = $filters; |
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} |
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/** |
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* Apply functions and filters on variables |
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* |
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* Call function if exists else call filter. |
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* |
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* @param Translation $translation Variables with values to modify |
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* @param array $spec Filter options |
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* @return $this |
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*/ |
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public function apply(Translation $translation, array $spec) |
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{ |
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foreach ($spec as $key => $subSpec) { |
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if ($translation->offsetExists($key)) { |
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$this->iterateFilterSpec((array) $subSpec, $key, $translation); |
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} |
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} |
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return $this; |
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} |
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/** |
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* @param array $spec |
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* @param mixed $key |
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* @param Translation $translation |
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* @return $this |
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* @throws Exception\InvalidInstructionException |
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*/ |
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protected function iterateFilterSpec(array $spec, $key, Translation $translation) |
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{ |
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foreach ($spec as $filter => $options) { |
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$varTranslation = $translation->getVarTranslation(); |
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$varTranslation->translate($options); |
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if (!is_array($options)) { |
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throw new Exception\InvalidInstructionException( |
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'Expected array options for spec ' . print_r($spec, true) |
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); |
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} |
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$varTranslation->translate($filter); |
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if (is_callable($filter)) { |
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$translation[$key] = call_user_func_array($filter, $options); |
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continue; |
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} |
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$this->callFilter($filter, $key, $translation, $options); |
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} |
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return $this; |
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} |
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/** |
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* Call ZF filter |
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* |
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* @param string $filter |
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* @param mixed $key |
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* @param Translation $translation |
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* @param array $options |
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* @return $this |
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*/ |
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protected function callFilter($filter, $key, Translation $translation, array $options) |
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{ |
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if (empty($options[0])) { |
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$translation[$key] = ''; |
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return $this; |
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} |
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empty($options[1]) |
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and $options[1] = []; |
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$translation[$key] = $this->filters->get($filter, $options[1])->filter($options[0]); |
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return $this; |
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} |
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} |
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webino /
WebinoDraw
If a method or function can return multiple different values and unless you are sure that you only can receive a single value in this context, we recommend to add an additional type check:
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