public function testIsChained()
{
$this->assertFalse(PropertyChainValue::isChained('Foo'));
$this->assertTrue(PropertyChainValue::isChained('Foo.Bar'));
}
/**
* Create an PrintRequest object from a string description as one
* would normally use in #ask and related inputs. The string must start
* with a "?" and may contain label and formatting parameters after "="
* or "#", respectively. However, further parameters, given in #ask by
* "|+param=value" are not allowed here; they must be added
* individually.
*
* @since 2.5
*
* @param string $text
* @param boolean $showMode = false
*
* @return PrintRequest|null
*/
public static function deserialize($text, $showMode = false)
{
list($parts, $outputFormat, $printRequestLabel) = self::getPartsFromText($text);
$data = null;
if ($printRequestLabel === '') {
// print "this"
$printmode = PrintRequest::PRINT_THIS;
$label = '';
// default
} elseif (self::isCategory($printRequestLabel)) {
// print categories
$printmode = PrintRequest::PRINT_CATS;
$label = $showMode ? '' : Localizer::getInstance()->getNamespaceTextById(NS_CATEGORY);
// default
} elseif (PropertyChainValue::isChained($printRequestLabel)) {
$data = new PropertyChainValue();
$data->setUserValue($printRequestLabel);
$printmode = PrintRequest::PRINT_CHAIN;
$label = $showMode ? '' : $data->getLastPropertyChainValue()->getWikiValue();
// default
} else {
// print property or check category
$title = Title::newFromText($printRequestLabel, SMW_NS_PROPERTY);
// trim needed for \n
// not a legal property/category name; give up
if ($title === null) {
return null;
}
if ($title->getNamespace() == NS_CATEGORY) {
$printmode = PrintRequest::PRINT_CCAT;
$data = $title;
$label = $showMode ? '' : $title->getText();
// default
} else {
// enforce interpretation as property (even if it starts with something that looks like another namespace)
$printmode = PrintRequest::PRINT_PROP;
$data = PropertyValue::makeUserProperty($printRequestLabel);
if (!$data->isValid()) {
// not a property; give up
return null;
}
$label = $showMode ? '' : $data->getWikiValue();
// default
}
}
// "plain printout", avoid empty string to avoid confusions with "false"
if ($outputFormat === '') {
$outputFormat = '-';
}
// label found, use this instead of default
if (count($parts) > 1) {
$label = trim($parts[1]);
}
try {
$printRequest = new PrintRequest($printmode, $label, $data, trim($outputFormat));
} catch (InvalidArgumentException $e) {
// something still went wrong; give up
$printRequest = null;
}
return $printRequest;
}