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GroupHelper.php
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GroupHelper.php
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<?php
declare(strict_types=1);
namespace Iodev\Whois\Helpers;
class GroupHelper
{
/**
* @param bool $ignoreCase
* @return \Closure
*/
public static function getMatcher($ignoreCase = true) {
return function($needle, $subject) use ($ignoreCase) {
$needle = (string)$needle;
$subject = (string)$subject;
if ($needle === $subject) {
return true;
}
if (strlen($needle) > 1 && $needle[0] === '~') {
return (bool)preg_match($needle, $subject);
}
return $ignoreCase && mb_strtolower($needle) === mb_strtolower($subject);
};
}
/**
* @param array $group
* @param bool $keysOnly
* @return array
*/
public static function toLowerCase($group, $keysOnly = false)
{
return $keysOnly
? self::mapRecursiveKeys($group, 'mb_strtolower')
: self::mapRecursive($group, 'mb_strtolower');
}
/**
* @param array $group
* @param callable $callback
* @return array
*/
public static function mapRecursive($group, $callback) {
$out = [];
array_walk($group, function($val, $key) use (&$out, $callback) {
$out[$callback($key)] = is_array($val) ? self::mapRecursive($val, $callback) : $callback($val);
});
return $out;
}
/**
* @param array $group
* @param callable $callback
* @return array
*/
public static function mapRecursiveKeys($group, $callback) {
$out = [];
array_walk($group, function($val, $key) use (&$out, $callback) {
$out[$callback($key)] = is_array($val) ? self::mapRecursiveKeys($val, $callback) : $val;
});
return $out;
}
/**
* @param array $group
* @param string[] $keys
* @param bool $firstOnly
* @param callable $matcher
* @return string[]
*/
public static function matchKeys($group, $keys, $firstOnly = false, $matcher = null)
{
if (empty($group)) {
return [];
}
$matcher = is_callable($matcher) ? $matcher : self::getMatcher();
$matches = [];
foreach ($keys as $key) {
if (is_array($key)) {
self::matchSubKeys($group, $key, $matches);
} elseif (isset($group[$key])) {
$matches[] = $group[$key];
} else {
foreach ($group as $groupKey => $groupVal) {
if ($matcher($key, $groupKey)) {
$matches[] = $groupVal;
if ($firstOnly) {
break;
}
}
}
}
if ($firstOnly && count($matches) > 0) {
break;
}
}
return $matches;
}
/**
* @param array $group
* @param string[] $keys
* @param array $outMatches
* @param callable $matcher
*/
private static function matchSubKeys($group, $keys, &$outMatches = [], $matcher = null)
{
$vals = [];
foreach ($keys as $k) {
$v = self::matchKeys($group, [$k], true, $matcher);
$v = empty($v) ? "" : reset($v);
if (is_array($v)) {
$vals = array_merge($vals, $v);
} elseif (!empty($v)) {
$vals[] = $v;
}
}
if (count($vals) > 1) {
$outMatches[] = $vals;
} elseif (count($vals) == 1) {
$outMatches[] = $vals[0];
} else {
$outMatches[] = "";
}
}
/**
* @param array $subsets
* @param array $params
* @return array
*/
public static function renderSubsets($subsets, $params)
{
array_walk_recursive($subsets, function(&$val) use ($params) {
$origVal = (string)$val;
$val = preg_replace_callback('~\\$[a-z][a-z\d]*\b~ui', function($m) use ($origVal, $params) {
$arg = $m[0];
$newVal = isset($params[$arg]) ? $params[$arg] : $arg;
if (strlen($origVal) > 1 && $origVal[0] == '~') {
$newVal = preg_quote($newVal);
}
return $newVal;
}, $val);
});
return $subsets;
}
/**
* @param array $groups
* @param array $subsets
* @param bool $ignoreCase
* @param bool $stopOnFirst
* @return array
*/
public static function findGroupsHasSubsetOf($groups, $subsets, $ignoreCase = true, $stopOnFirst = false)
{
$keyMatcher = self::getMatcher($ignoreCase);
$valMatcher = self::getMatcher($ignoreCase);
$foundGroups = [];
foreach ($subsets as $subset) {
foreach ($groups as $group) {
if (self::matchGroupSubset($group, $subset, $keyMatcher, $valMatcher)) {
$foundGroups[] = $group;
if ($stopOnFirst) {
break;
}
}
}
}
return $foundGroups;
}
/**
* @param array $group
* @param array $subset
* @param callable $keyMatcher
* @param callable $valMatcher
* @return bool
*/
public static function matchGroupSubset($group, $subset, $keyMatcher = null, $valMatcher = null)
{
$keyMatcher = is_callable($keyMatcher) ? $keyMatcher : self::getMatcher();
$valMatcher = is_callable($valMatcher) ? $valMatcher : self::getMatcher();
foreach ($subset as $subsetKey => $subsetVal) {
$isKeyMatched = false;
$groupVal = null;
if (isset($group[$subsetKey])) {
$isKeyMatched = true;
$groupVal = $group[$subsetKey];
} else {
foreach ($group as $groupKey => $gv) {
$isKeyMatched = $keyMatcher($subsetKey, $groupKey);
if ($isKeyMatched) {
$groupVal = $gv;
break;
}
}
}
if (!$isKeyMatched) {
return false;
}
if (empty($subsetVal)) {
continue;
}
if (is_array($groupVal)) {
foreach ($groupVal as $groupSubVal) {
if ($valMatcher($subsetVal, $groupSubVal)) {
$found = true;
break;
}
}
} else {
$found = $valMatcher($subsetVal, $groupVal);
}
if (empty($found)) {
return false;
}
}
return true;
}
/**
* @param array $groups
* @param string $domain
* @param string[] $domainKeys
* @param bool $stopOnFirst
* @return array
*/
public static function findDomainGroups($groups, $domain, $domainKeys, $stopOnFirst = false)
{
$foundGroups = [];
foreach ($groups as $group) {
$foundDomain = null;
foreach (self::matchKeys($group, $domainKeys, true) as $val) {
$foundDomain = DomainHelper::toAscii($val);
if (!empty($foundDomain)) {
break;
}
}
if ($foundDomain && DomainHelper::compareNames($foundDomain, $domain)) {
$foundGroups[] = $group;
if ($stopOnFirst) {
break;
}
}
}
return $foundGroups;
}
}