/**
* Render the names.
*
* @param string|array $data
* @return string
*/
public function render($data)
{
$returns = array();
$compare = array();
$lastSubstitute = Container::getContext()->getSubstitute()->getVariable();
foreach ($this->variables as $variable) {
// don't render if variable is already used as substitute value
if ($lastSubstitute === $variable) {
return '';
}
$names = Container::getData()->getVariable($variable);
$content = $this->name->render($names);
// et-al
if (isset($this->etAl) == true && Container::getContext()->getValue('etAlMin', Container::getContext()->getName()) !== null && Container::getContext()->getValue('etAlMin', Container::getContext()->getName()) <= count($names)) {
$content = $this->etAl->render($content);
}
if ($content !== '') {
$compare[$variable] = $content;
}
// use substitute
if ($content == '' && isset($this->substitute) == true) {
$content = $this->substitute->render('');
if (Container::getContext()->getSubstitute()->getVariable() !== '') {
$variable = Container::getContext()->getSubstitute()->getVariable();
}
}
if ($content !== '' && isset($this->label) == true && Container::getContext()->in('sort') == false) {
$this->label->setVariable($variable);
if ($this->labelBeforeName == false) {
$content .= $this->label->render($content);
} else {
$content = $this->label->render($content) . $content;
}
}
if ($content !== '') {
$returns[] = $content;
}
}
// The one exception: when the selection consists of "editor" and "translator", and when the contents
// of these two name variables is identical, then the contents of only one name variable is rendered.
if (in_array('editor', $this->variables) == true && in_array('translator', $this->variables) == true && isset($compare['editor']) == true && $compare['editor'] == $compare['translator']) {
$editorTrans = $compare['translator'];
if (isset($this->label) == true) {
$plural = 'singular';
if (count(Container::getData()->getVariable('editor')) > 1 || count(Container::getData()->getVariable('translator')) > 1) {
$plural = 'multiple';
}
$this->label->setVariable('editortranslator')->setPlural($plural);
$editorTrans .= $this->label->render('');
}
$returns = array($editorTrans);
}
$return = implode($this->delimiter, $returns);
// no formatting while author-only is set for actual cite
if (Container::getCitationItem() == false || Container::getCitationItem()->get('author-only') == 0 || Container::getCitationItem()->get('author-only') === null) {
$return = $this->formatting->render($return);
}
$return = $this->display->render($return);
return $this->affix->render($return);
}
/**
* @covers Geissler\CSL\Names\Substitute::__construct
* @covers Geissler\CSL\Names\Substitute::render
* @covers Geissler\CSL\Names\Substitute::hasAccessEmptyVariable
*/
public function testRenderNothing()
{
$layout = '<substitute>
<date prefix="(" suffix=")" variable="issued">
<date-part name="day" suffix=" " />
<date-part form="long" name="month" suffix=" "/>
<date-part name="year" />
</date>
<number form="roman" variable="volume" />
<text variable="title"/>
</substitute>';
$json = '[
{
"id": "ITEM-1",
"type": "book"
}
]';
$this->initElement($layout, $json);
$this->assertEquals('', $this->object->render(''));
$this->assertTrue($this->object->hasAccessEmptyVariable());
}
