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<?php
namespace dokuwiki\Parsing\ParserMode;
class Acronym extends AbstractMode
{
// A list
protected $acronyms = array();
protected $pattern = '';
/**
* Acronym constructor.
*
* @param string[] $acronyms
*/
public function __construct($acronyms)
{
usort($acronyms, array($this,'compare'));
$this->acronyms = $acronyms;
}
/** @inheritdoc */
public function preConnect()
{
if (!count($this->acronyms)) return;
$bound = '[\x00-\x2f\x3a-\x40\x5b-\x60\x7b-\x7f]';
$acronyms = array_map(['\\dokuwiki\\Parsing\\Lexer\\Lexer', 'escape'], $this->acronyms);
$this->pattern = '(?<=^|'.$bound.')(?:'.join('|', $acronyms).')(?='.$bound.')';
}
/** @inheritdoc */
public function connectTo($mode)
{
if (!count($this->acronyms)) return;
if (strlen($this->pattern) > 0) {
$this->Lexer->addSpecialPattern($this->pattern, $mode, 'acronym');
}
}
/** @inheritdoc */
public function getSort()
{
return 240;
}
/**
* sort callback to order by string length descending
*
* @param string $a
* @param string $b
*
* @return int
*/
protected function compare($a, $b)
{
$a_len = strlen($a);
$b_len = strlen($b);
if ($a_len > $b_len) {
return -1;
} elseif ($a_len < $b_len) {
return 1;
}
return 0;
}
}
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