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<?php |
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namespace allejo\stakx\Twig; |
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use Twig_Environment; |
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use Twig_Extension; |
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use Twig_SimpleFilter; |
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/** |
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* This file is part of Twig. |
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* |
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* (c) 2009 Fabien Potencier |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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* |
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* @author Henrik Bjornskov <[email protected]> |
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*/ |
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class TextExtension extends Twig_Extension |
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{ |
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/** |
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* Returns a list of filters. |
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* |
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* @return Twig_SimpleFilter[] |
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*/ |
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public function getFilters() |
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{ |
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return array( |
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new Twig_SimpleFilter('summary', array($this, 'twig_summary_filter')), |
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new Twig_SimpleFilter('truncate', array($this, 'twig_truncate_filter'), array('needs_environment' => true)), |
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new Twig_SimpleFilter('wordwrap', array($this, 'twig_wordwrap_filter'), array('needs_environment' => true)), |
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); |
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} |
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/** |
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* Name of this extension. |
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* |
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* @return string |
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*/ |
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public function getName() |
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{ |
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return 'Text'; |
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} |
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public function twig_summary_filter($value, $paragraphCount = 1) |
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{ |
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if (function_exists('simplexml_load_string')) |
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{ |
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$content = simplexml_load_string('<html>' . $value . '</html>'); |
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$count = min($paragraphCount, $content->count()); |
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$children = $content->children(); |
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$summary = ''; |
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for ($i = 0; $i < $count; ++$i) |
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{ |
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$summary .= $children[$i]->asXml(); |
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} |
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return $summary; |
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} |
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return $value; |
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} |
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public function twig_truncate_filter(Twig_Environment $env, $value, $length = 30, $preserve = false, $separator = '...') |
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{ |
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if (mb_strlen($value, $env->getCharset()) > $length) |
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{ |
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if ($preserve) |
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{ |
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// If breakpoint is on the last word, return the value without separator. |
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if (false === ($breakpoint = mb_strpos($value, ' ', $length, $env->getCharset()))) |
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{ |
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return $value; |
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} |
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$length = $breakpoint; |
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} |
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return rtrim(mb_substr($value, 0, $length, $env->getCharset())) . $separator; |
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} |
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return $value; |
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} |
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public function twig_wordwrap_filter(Twig_Environment $env, $value, $length = 80, $separator = "\n", $preserve = false) |
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{ |
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$sentences = array(); |
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$previous = mb_regex_encoding(); |
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mb_regex_encoding($env->getCharset()); |
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$pieces = mb_split($separator, $value); |
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mb_regex_encoding($previous); |
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foreach ($pieces as $piece) |
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{ |
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while (!$preserve && mb_strlen($piece, $env->getCharset()) > $length) |
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{ |
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$sentences[] = mb_substr($piece, 0, $length, $env->getCharset()); |
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$piece = mb_substr($piece, $length, 2048, $env->getCharset()); |
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} |
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$sentences[] = $piece; |
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} |
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return implode($separator, $sentences); |
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} |
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} |
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stakx-io /
stakx
Loading history...
Our type inference engine in quite powerful, but sometimes the code does not provide enough clues to go by. In these cases we request you to add a
@returnannotation as described here.