public function csl_label::render in Bibliography Module 7

Same name and namespace in other branches

1. 6.2 modules/CiteProc/CSL.inc \csl_label::render()
2. 7.2 modules/CiteProc/CSL.inc \csl_label::render()

Overrides csl_rendering_element::render

File

modules/CiteProc/CSL.inc, line 1542

CiteProc-PHP.

Class

csl_label

Code

public function render($data, $mode = NULL) {
  $text = '';
  $pluralization = NULL;
  $form = ($form = $this->form) ? $form : 'long';

  // There are two possible locations for a label the first is within a names element which is a bit simpler than the general label case
  // within csl_names element case.
  if (isset($this->in_names)) {
    if ($term = $this->citeproc
      ->get_locale('term', $this->variable, $form, $this->plural)) {
      $text = $term;
    }
  }
  else {
    $variables = explode(' ', $this->variable);
    switch ($this->plural) {
      case 'never':
        $pluralization = 'single';
        break;
      case 'always':
        $pluralization = 'multiple';
        break;
      case 'contextual':
      default:
    }
    foreach ($variables as $variable) {
      $field = $this->citeproc
        ->map_field($variable);
      if (isset($data->{$field}) && !empty($data->{$field})) {
        if (!isset($this->plural) && empty($pluralization) && is_array($data->{$field})) {
          $count = count($data->{$field});
          if ($count == 1) {
            $pluralization = 'single';
          }
          elseif ($count > 1) {
            $pluralization = 'multiple';
          }
        }
        else {
          $pluralization = $this
            ->evaluateStringPluralism($data, $variable);
        }
        if ($term = $this->citeproc
          ->get_locale('term', $variable, $form, $pluralization)) {
          $text = $term;
          break;
        }
      }
    }
  }
  if (empty($text)) {
    return;
  }
  if ($this->{'strip-periods'}) {
    $text = str_replace('.', '', $text);
  }
  return $this
    ->format($text);
}