109 lines
3.1 KiB
PHP
109 lines
3.1 KiB
PHP
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<?php
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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 <hb@peytz.dk>
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* @package Twig
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* @subpackage Twig-extensions
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*/
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class Twig_Extensions_Extension_Text 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 array
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*/
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public function getFilters()
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{
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$filters = array(
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'truncate' => new Twig_Filter_Function('twig_truncate_filter', array('needs_environment' => true)),
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'wordwrap' => new Twig_Filter_Function('twig_wordwrap_filter', array('needs_environment' => true)),
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);
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if (version_compare(Twig_Environment::VERSION, '1.5.0-DEV', '<')) {
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$filters['nl2br'] = new Twig_Filter_Function('twig_nl2br_filter', array('pre_escape' => 'html', 'is_safe' => array('html')));
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}
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return $filters;
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}
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/**
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* Name of this extension
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*
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* @return string
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*/
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public function getName()
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{
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return 'Text';
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}
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}
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function twig_nl2br_filter($value, $sep = '<br />')
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{
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return str_replace("\n", $sep."\n", $value);
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}
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if (function_exists('mb_get_info')) {
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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()) > $length) {
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if ($preserve) {
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if (false !== ($breakpoint = mb_strpos($value, ' ', $length, $env->getCharset()))) {
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$length = $breakpoint;
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}
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}
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return mb_substr($value, 0, $length, $env->getCharset()) . $separator;
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}
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return $value;
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}
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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 $piece) {
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while(!$preserve && mb_strlen($piece, $env->getCharset()) > $length) {
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$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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} else {
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function twig_truncate_filter(Twig_Environment $env, $value, $length = 30, $preserve = false, $separator = '...')
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{
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if (strlen($value) > $length) {
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if ($preserve) {
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if (false !== ($breakpoint = strpos($value, ' ', $length))) {
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$length = $breakpoint;
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}
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}
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return substr($value, 0, $length) . $separator;
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}
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return $value;
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}
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function twig_wordwrap_filter(Twig_Environment $env, $value, $length = 80, $separator = "\n", $preserve = false)
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{
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return wordwrap($value, $length, $separator, !$preserve);
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}
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}
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