class csl_group in Bibliography Module 6.2

Hierarchy

• class \csl_collection
  • class \csl_element
    • class \csl_rendering_element
      • class \csl_format
        • class \csl_group

File

modules/CiteProc/CSL.inc, line 1287

class csl_group extends csl_format {
  function render($data, $mode = NULL) {
    $text = '';
    $text_parts = array();
    $terms = $variables = $have_variables = $element_count = 0;
    foreach ($this->elements as $element) {
      $element_count++;
      if ($element instanceof csl_text && ($element->source == 'term' || $element->source == 'value')) {
        $terms++;
      }
      if ($element instanceof csl_label) {
        $terms++;
      }
      if ($element->source == 'variable' && isset($element->variable) && !empty($data->{$element->variable})) {
        $variables++;
      }
      $text = $element
        ->render($data, $mode);
      $delimiter = $this->delimiter;
      if (!empty($text)) {
        if ($delimiter && $element_count < count($this->elements)) {

          //check to see if the delimiter is already the last character of the text string

          //if so, remove it so we don't have two of them when we paste together the group
          $stext = strip_tags(trim($text));
          if (strrpos($stext, $delimiter[0]) + 1 == drupal_strlen($stext) && drupal_strlen($stext) > 1) {
            $text = str_replace($stext, '----REPLACE----', $text);
            $stext = drupal_substr($stext, 0, -1);
            $text = str_replace('----REPLACE----', $stext, $text);
          }
        }
        $text_parts[] = $text;
        if ($element->source == 'variable' || isset($element->variable)) {
          $have_variables++;
        }
        if ($element->source == 'macro') {
          $have_variables++;
        }
      }
    }
    if (empty($text_parts)) {
      return;
    }
    if ($variables && !$have_variables) {
      return;
    }

    // there has to be at least one other none empty value before the term is output
    if (count($text_parts) == $terms) {
      return;
    }

    // there has to be at least one other none empty value before the term is output
    $delimiter = $this->delimiter;
    $text = implode($delimiter, $text_parts);

    // insert the delimiter if supplied.
    return $this
      ->format($text);
  }

}

Members

Name	Modifiers	Type	Description	Overrides
csl_collection::$elements	protected	property
csl_collection::add_element		function
csl_element::$attributes	protected	property
csl_element::$citeproc	protected	property
csl_element::get_attributes		function
csl_element::get_hier_attributes		function
csl_element::init		function		5
csl_element::name		function
csl_element::set_attributes		function
csl_element::__get		function
csl_element::__isset		function
csl_element::__set		function
csl_element::__unset		function
csl_format::$format	protected	property		1
csl_format::$no_op	protected	property
csl_format::format		function	Overrides csl_collection::format	1
csl_format::init_formatting		function		5
csl_format::__construct		function	Overrides csl_element::__construct	2
csl_group::render		function	Overrides csl_rendering_element::render