protected function crumbs_PluginSystem_PluginEngine::find in Crumbs, the Breadcrumbs suite 7.2

Invoke all relevant plugins to find title or parent for a given path.

Parameters

crumbs_PluginSystem_PluginMethodIterator $iterator:

array $args: Parameter values to pass to plugin methods.

bool $processFindParent:

Return value

mixed|null

2 calls to crumbs_PluginSystem_PluginEngine::find()

crumbs_PluginSystem_PluginEngine::findParent in lib/PluginSystem/PluginEngine.php

Invoke all relevant plugins to find the parent for a given path.

crumbs_PluginSystem_PluginEngine::findTitle in lib/PluginSystem/PluginEngine.php

Invoke all relevant plugins to find the title for a given path.

File

lib/PluginSystem/PluginEngine.php, line 129

Class

crumbs_PluginSystem_PluginEngine

Code

protected function find($iterator, $args, $processFindParent = FALSE) {
  $best_candidate = NULL;
  $best_candidate_weight = 999999;
  $best_candidate_key = NULL;
  foreach ($iterator as $plugin_key => $position) {
    if (!$position instanceof crumbs_PluginSystem_PluginMethodIteratorPosition) {
      continue;
    }
    if ($position
      ->isMultiPlugin()) {
      $localWeightMap = $this->weightMap
        ->localWeightMap($plugin_key);
      if ($best_candidate_weight <= $localWeightMap
        ->smallestValue()) {
        return $best_candidate;
      }
      $candidates = $position
        ->invokeFinderMethod($args);
      if (empty($candidates)) {
        continue;
      }
      foreach ($candidates as $candidate_key => $candidate_raw) {
        if (!isset($candidate_raw)) {
          continue;
        }
        $candidate_weight = $localWeightMap
          ->valueAtKey($candidate_key);
        if (FALSE === $candidate_weight) {
          continue;
        }
        if ($best_candidate_weight <= $candidate_weight) {
          continue;
        }
        if ($processFindParent) {
          $candidate = $this
            ->processFindParent($candidate_raw);
          if (!isset($candidate)) {
            continue;
          }
        }
        else {
          $candidate = $candidate_raw;
        }
        $best_candidate = $candidate;
        $best_candidate_weight = $candidate_weight;
      }
    }
    elseif ($position
      ->isMonoPlugin()) {
      $candidate_weight = $this->weightMap
        ->valueAtKey($plugin_key);
      if ($best_candidate_weight <= $candidate_weight) {
        return $best_candidate;
      }
      $candidate_raw = $position
        ->invokeFinderMethod($args);
      if (!isset($candidate_raw)) {
        continue;
      }
      $candidate = $processFindParent ? $this
        ->processFindParent($candidate_raw) : $candidate_raw;
      if (isset($candidate)) {
        $best_candidate = $candidate;
        $best_candidate_weight = $candidate_weight;
      }
    }
  }
  return $best_candidate;
}