/**
* Evaluate this node and return the correct object.
*
* Handles each part (denoted by .) in $this->objectPath in the following order:
* - call appropriate getter
* - call public property, if exists
* - fail
*
* The first part of the object path has to be a variable in the
* VariableProvider.
*
* @param RenderingContextInterface $renderingContext
* @return mixed The evaluated object, can be any object type.
*/
public function evaluate(RenderingContextInterface $renderingContext)
{
$objectPath = strtolower($this->objectPath);
$variableProvider = $renderingContext->getVariableProvider();
if ($objectPath === '_all') {
return $variableProvider->getAll();
}
return VariableExtractor::extract($variableProvider, $this->objectPath, $this->accessors);
}
/**
* @param mixed $variable
* @retrurn array
*/
protected static function getValuesOfNonScalarVariable($variable)
{
if ($variable instanceof \ArrayObject || is_array($variable)) {
return (array) $variable;
} elseif ($variable instanceof \Iterator) {
return iterator_to_array($variable);
} elseif (is_resource($variable)) {
return stream_get_meta_data($variable);
} elseif ($variable instanceof \DateTimeInterface) {
return ['class' => get_class($variable), 'ISO8601' => $variable->format(\DateTime::ISO8601), 'UNIXTIME' => (int) $variable->format('U')];
} else {
$reflection = new \ReflectionObject($variable);
$properties = $reflection->getProperties();
$output = array();
foreach ($properties as $property) {
$propertyName = $property->getName();
$output[$propertyName] = VariableExtractor::extract($variable, $propertyName);
}
return $output;
}
}
/**
* @param mixed $subject
* @param string $path
* @param string $accessor
* @param mixed $expected
* @test
* @dataProvider getExtractRedectAccessorTestValues
*/
public function testExtractRedetectsAccessorIfUnusableAccessorPassed($subject, $path, $accessor, $expected)
{
$result = VariableExtractor::extract($subject, 'test', array($accessor));
$this->assertEquals($expected, $result);
}
/**
* Evaluate this node and return the correct object.
*
* Handles each part (denoted by .) in $this->objectPath in the following order:
* - call appropriate getter
* - call public property, if exists
* - fail
*
* The first part of the object path has to be a variable in the
* VariableProvider.
*
* @param RenderingContextInterface $renderingContext
* @return object The evaluated object, can be any object type.
*/
public function evaluate(RenderingContextInterface $renderingContext)
{
$variableProvider = $renderingContext->getVariableProvider();
switch (strtolower($this->objectPath)) {
case '_all':
return $variableProvider->getAll();
case 'true':
case 'on':
case 'yes':
return TRUE;
case 'false':
case 'off':
case 'no':
return FALSE;
default:
return VariableExtractor::extract($variableProvider, $this->objectPath, $this->accessors);
}
}
