/**
* Defined by FilterInterface
*
* @param string $value
* @return string
*/
public function filter($value)
{
$transliteration = new Transliteration();
$value = $transliteration->filter($value);
$value = mb_strtolower($value);
$value = strtr($value, $this->replaces);
$value = trim($value, '_-');
$value = preg_replace('|[^A-Za-z0-9.(){}_-]|isu', '_', $value);
do {
$oldLength = strlen($value);
$value = str_replace('__', '_', $value);
} while ($oldLength != strlen($value));
if (strlen($value) == 0) {
$value = '_';
}
switch ($value) {
case '..':
$value = '__';
break;
case '.':
$value = '_';
break;
}
return $value;
}
/**
* @dataProvider correctProvider
*/
public function testCorrect($text, $pattern)
{
$filter = new Transliteration();
$result = $filter->filter($text);
$this->assertRegexp($pattern, $result);
}
