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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 226 | daniel-mar | 1 | <?php |
| 2 | |||
| 3 | # if (!interface_exists('VolcanoSearchProvider')) throw new Exception('Required interface "VolcanoSearchProvider" not found.'); |
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| 4 | # if (!class_exists('VolcanoDB')) throw new Exception('Required class "VolcanoDB" not found.'); |
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| 5 | |||
| 6 | require_once __DIR__ . '/../../core/VolcanoSearchProvider.class.php'; |
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| 7 | |||
| 8 | class VolcanoSearchDomain implements VolcanoSearchProvider { |
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| 9 | public static function checkId($id) { |
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| 10 | return self::strEqual($id, 'domain', true); // is always case insensitive |
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| 11 | } |
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| 12 | |||
| 13 | protected static function tryNormalize($term) { |
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| 14 | // TODO: also validate syntax |
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| 15 | $ary = explode(':', $term); |
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| 16 | $term = $ary[0]; |
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| 17 | if (substr($term, -1, 1) != '.') $term .= '.'; |
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| 18 | return $term; |
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| 19 | } |
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| 20 | |||
| 21 | public static function calcDistance($candidate, $searchterm) { |
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| 22 | // TODO: punycode? |
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| 23 | |||
| 24 | $candidate = self::tryNormalize($candidate); |
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| 25 | $searchterm = self::tryNormalize($searchterm); |
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| 26 | |||
| 27 | if (strlen($candidate) <= strlen($searchterm)) { |
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| 28 | $cmp = substr($searchterm, strlen($searchterm)-strlen($candidate)); |
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| 29 | if (!self::strEqual($cmp, $candidate, true)) return false; |
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| 30 | |||
| 31 | $subdoms = substr($searchterm, 0, strlen($searchterm)-strlen($candidate)); |
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| 32 | return substr_count($subdoms, '.'); |
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| 33 | } else { |
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| 34 | $cmp = substr($candidate, strlen($candidate)-strlen($searchterm)); |
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| 35 | if (!self::strEqual($cmp, $searchterm, true)) return false; |
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| 36 | |||
| 37 | $too_specific = substr($candidate, 0, strlen($candidate)-strlen($searchterm)); |
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| 38 | return -substr_count($too_specific, '.'); |
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| 39 | } |
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| 40 | } |
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| 41 | |||
| 42 | protected static function strEqual($str1, $str2, $caseInsensitive = false) { |
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| 43 | if ($caseInsensitive) { |
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| 44 | return strtolower($str1) == strtolower($str2); |
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| 45 | } else { |
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| 46 | return $str1 == $str2; |
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| 47 | } |
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| 48 | } |
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| 49 | } |
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| 50 | |||
| 51 | require_once __DIR__ . '/../../core/1_VolcanoDB.class.php'; |
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| 52 | VolcanoDB::registerSearchProvider(new VolcanoSearchDomain()); |
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| 53 | |||
| 54 | # --- TEST |
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| 55 | |||
| 56 | /* |
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| 57 | $x = new VolcanoSearchDomain(); |
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| 58 | assert($x->calcDistance('de.', 'viathinksoft.DE.') == 1); |
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| 59 | assert($x->calcDistance('de.', 'viathinksoft.de.') == 1); |
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| 60 | assert($x->calcDistance('viathinksoft.de.', 'viathinksoft.de.') == 0); |
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| 61 | assert($x->calcDistance('viathinksoft.DE.', 'viathinksoft.de.') == 0); |
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| 62 | assert($x->calcDistance('www.viathinksoft.de.', 'viathinksoft.de.') == -1); |
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| 63 | |||
| 64 | assert($x->calcDistance('de.', 'viathinksoft.xx.') === false); |
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| 65 | assert($x->calcDistance('viathinksoft.de.', 'viathinksoft.xx.') === false); |
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| 66 | assert($x->calcDistance('www.viathinksoft.de.', 'viathinksoft.xx.') === false); |
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| 67 | */ |