public function RegexCounter::countGroups in Bibliography Module 7.2

Returns how many groups (numbered or named) there are in the given $pattern

Parameters

string $pattern:

array $namedGroups:

array $numberedGroups:

Return value

int

1 call to RegexCounter::countGroups()

RegexCounter::count in lib/msrc-authortool/src/Nametools/RegexCounter.php

Returns how many groups (non-named) there are in the given pattern

File

lib/msrc-authortool/src/Nametools/RegexCounter.php, line 39

Class

RegexCounter

Regexcounter is a class that counts the expected number of matches for a given REGEX pattern

Namespace

Nametools

Code

public function countGroups($pattern, &$namedGroups, &$numberedGroups) {
  $result = $this
    ->countGroupsIgnoreHellternations($pattern, $namedGroups, $numberedGroups);
  $hellternations = $this
    ->findHellternations($pattern);
  if (empty($hellternations)) {
    return $result;
  }
  foreach ($hellternations as $hellternation) {
    $count = array();
    $pieces = $this
      ->explodeAlternation($hellternation);
    foreach ($pieces as $piece) {
      $count[] = $this
        ->countGroups($piece, $dummy, $dummy);
    }
    $max = max($count);
    $easy = $this
      ->countGroupsIgnoreHellternations($hellternation, $dummy, $dummy);
    $result = $result - $easy + $max;
  }
  return $result;
}