| 0,0 → 1,67 |
|---|
| <?php |
| |
| # if (!interface_exists('VolcanoSearchProvider')) throw new Exception('Required interface "VolcanoSearchProvider" not found.'); |
| # if (!class_exists('VolcanoDB')) throw new Exception('Required class "VolcanoDB" not found.'); |
| |
| require_once __DIR__ . '/../../core/VolcanoSearchProvider.class.php'; |
| |
| class VolcanoSearchDomain implements VolcanoSearchProvider { |
| public static function checkId($id) { |
| return self::strEqual($id, 'domain', true); // is always case insensitive |
| } |
| |
| protected static function tryNormalize($term) { |
| // TODO: also validate syntax |
| $ary = explode(':', $term); |
| $term = $ary[0]; |
| if (substr($term, -1, 1) != '.') $term .= '.'; |
| return $term; |
| } |
| |
| public static function calcDistance($candidate, $searchterm) { |
| // TODO: punycode? |
| |
| $candidate = self::tryNormalize($candidate); |
| $searchterm = self::tryNormalize($searchterm); |
| |
| if (strlen($candidate) <= strlen($searchterm)) { |
| $cmp = substr($searchterm, strlen($searchterm)-strlen($candidate)); |
| if (!self::strEqual($cmp, $candidate, true)) return false; |
| |
| $subdoms = substr($searchterm, 0, strlen($searchterm)-strlen($candidate)); |
| return substr_count($subdoms, '.'); |
| } else { |
| $cmp = substr($candidate, strlen($candidate)-strlen($searchterm)); |
| if (!self::strEqual($cmp, $searchterm, true)) return false; |
| |
| $too_specific = substr($candidate, 0, strlen($candidate)-strlen($searchterm)); |
| return -substr_count($too_specific, '.'); |
| } |
| } |
| |
| protected static function strEqual($str1, $str2, $caseInsensitive = false) { |
| if ($caseInsensitive) { |
| return strtolower($str1) == strtolower($str2); |
| } else { |
| return $str1 == $str2; |
| } |
| } |
| } |
| |
| require_once __DIR__ . '/../../core/1_VolcanoDB.class.php'; |
| VolcanoDB::registerSearchProvider(new VolcanoSearchDomain()); |
| |
| # --- TEST |
| |
| /* |
| $x = new VolcanoSearchDomain(); |
| assert($x->calcDistance('de.', 'viathinksoft.DE.') == 1); |
| assert($x->calcDistance('de.', 'viathinksoft.de.') == 1); |
| assert($x->calcDistance('viathinksoft.de.', 'viathinksoft.de.') == 0); |
| assert($x->calcDistance('viathinksoft.DE.', 'viathinksoft.de.') == 0); |
| assert($x->calcDistance('www.viathinksoft.de.', 'viathinksoft.de.') == -1); |
| |
| assert($x->calcDistance('de.', 'viathinksoft.xx.') === false); |
| assert($x->calcDistance('viathinksoft.de.', 'viathinksoft.xx.') === false); |
| assert($x->calcDistance('www.viathinksoft.de.', 'viathinksoft.xx.') === false); |
| */ |