109 lines
3.1 KiB
PHP
109 lines
3.1 KiB
PHP
<?php
|
|
|
|
/**
|
|
* This file is part of Twig.
|
|
*
|
|
* (c) 2009 Fabien Potencier
|
|
*
|
|
* For the full copyright and license information, please view the LICENSE
|
|
* file that was distributed with this source code.
|
|
*
|
|
* @author Henrik Bjornskov <hb@peytz.dk>
|
|
* @package Twig
|
|
* @subpackage Twig-extensions
|
|
*/
|
|
class Twig_Extensions_Extension_Text extends Twig_Extension
|
|
{
|
|
/**
|
|
* Returns a list of filters.
|
|
*
|
|
* @return array
|
|
*/
|
|
public function getFilters()
|
|
{
|
|
$filters = array(
|
|
'truncate' => new Twig_Filter_Function('twig_truncate_filter', array('needs_environment' => true)),
|
|
'wordwrap' => new Twig_Filter_Function('twig_wordwrap_filter', array('needs_environment' => true)),
|
|
);
|
|
|
|
if (version_compare(Twig_Environment::VERSION, '1.5.0-DEV', '<')) {
|
|
$filters['nl2br'] = new Twig_Filter_Function('twig_nl2br_filter', array('pre_escape' => 'html', 'is_safe' => array('html')));
|
|
}
|
|
|
|
return $filters;
|
|
}
|
|
|
|
/**
|
|
* Name of this extension
|
|
*
|
|
* @return string
|
|
*/
|
|
public function getName()
|
|
{
|
|
return 'Text';
|
|
}
|
|
}
|
|
|
|
function twig_nl2br_filter($value, $sep = '<br />')
|
|
{
|
|
return str_replace("\n", $sep."\n", $value);
|
|
}
|
|
|
|
if (function_exists('mb_get_info')) {
|
|
function twig_truncate_filter(Twig_Environment $env, $value, $length = 30, $preserve = false, $separator = '...')
|
|
{
|
|
if (mb_strlen($value, $env->getCharset()) > $length) {
|
|
if ($preserve) {
|
|
if (false !== ($breakpoint = mb_strpos($value, ' ', $length, $env->getCharset()))) {
|
|
$length = $breakpoint;
|
|
}
|
|
}
|
|
|
|
return mb_substr($value, 0, $length, $env->getCharset()) . $separator;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
function twig_wordwrap_filter(Twig_Environment $env, $value, $length = 80, $separator = "\n", $preserve = false)
|
|
{
|
|
$sentences = array();
|
|
|
|
$previous = mb_regex_encoding();
|
|
mb_regex_encoding($env->getCharset());
|
|
|
|
$pieces = mb_split($separator, $value);
|
|
mb_regex_encoding($previous);
|
|
|
|
foreach ($pieces as $piece) {
|
|
while(!$preserve && mb_strlen($piece, $env->getCharset()) > $length) {
|
|
$sentences[] = mb_substr($piece, 0, $length, $env->getCharset());
|
|
$piece = mb_substr($piece, $length, 2048, $env->getCharset());
|
|
}
|
|
|
|
$sentences[] = $piece;
|
|
}
|
|
|
|
return implode($separator, $sentences);
|
|
}
|
|
} else {
|
|
function twig_truncate_filter(Twig_Environment $env, $value, $length = 30, $preserve = false, $separator = '...')
|
|
{
|
|
if (strlen($value) > $length) {
|
|
if ($preserve) {
|
|
if (false !== ($breakpoint = strpos($value, ' ', $length))) {
|
|
$length = $breakpoint;
|
|
}
|
|
}
|
|
|
|
return substr($value, 0, $length) . $separator;
|
|
}
|
|
|
|
return $value;
|
|
}
|
|
|
|
function twig_wordwrap_filter(Twig_Environment $env, $value, $length = 80, $separator = "\n", $preserve = false)
|
|
{
|
|
return wordwrap($value, $length, $separator, !$preserve);
|
|
}
|
|
} |