/**
* {@inheritdoc}
*/
public function getMatchingContexts(array $contexts, ContextDefinitionInterface $definition)
{
return array_filter($contexts, function (ContextInterface $context) use($definition) {
$context_definition = $context->getContextDefinition();
// If the data types do not match, this context is invalid unless the
// expected data type is any, which means all data types are supported.
if ($definition->getDataType() != 'any' && $definition->getDataType() != $context_definition->getDataType()) {
return FALSE;
}
// If any constraint does not match, this context is invalid.
foreach ($definition->getConstraints() as $constraint_name => $constraint) {
if ($context_definition->getConstraint($constraint_name) != $constraint) {
return FALSE;
}
}
// All contexts with matching data type and contexts are valid.
return TRUE;
});
}
/**
* {@inheritdoc}
*/
public function getConstraints()
{
return $this->contextDefinition->getConstraints();
}
