private function DomainAliasStorage::buildPatterns in Domain Access 8

Builds a list of matching patterns.

Parameters

array $parts: The hostname of the request, as an array split by dots.

Return value

array An array of eligible matching patterns.

1 call to DomainAliasStorage::buildPatterns()

DomainAliasStorage::getPatterns in domain_alias/src/DomainAliasStorage.php

Returns an array of eligible matching patterns.

File

domain_alias/src/DomainAliasStorage.php, line 175

Class

DomainAliasStorage

Alias loader utility class.

Namespace

Drupal\domain_alias

Code

private function buildPatterns(array $parts) {
  $count = count($parts);
  for ($i = 0; $i < $count; $i++) {

    // Basic replacement of each value.
    $temp = $parts;
    $temp[$i] = '*';
    $patterns[] = implode('.', $temp);

    // Advanced multi-value wildcards.
    // Pattern *.*.
    if (count($temp) > 2 && $i < $count - 1) {
      $temp[$i + 1] = '*';
      $patterns[] = implode('.', $temp);
    }

    // Pattern foo.bar.*.
    if ($count > 3 && $i < $count - 2) {
      $temp[$i + 2] = '*';
      $patterns[] = implode('.', $temp);
    }

    // Pattern *.foo.*.
    if ($count > 3 && $i < 2) {
      $temp = $parts;
      $temp[$i] = '*';
      $temp[$i + 2] = '*';
      $patterns[] = implode('.', $temp);
    }

    // Pattern *.foo.*.*.
    if ($count > 2) {
      $temp = array_fill(0, $count, '*');
      $temp[$i] = $parts[$i];
      $patterns[] = implode('.', $temp);
    }
  }
  return $patterns;
}