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<?php
namespace Net\Bazzline\Component\Template;
use InvalidArgumentException;
use RuntimeException;
class CallableComplexFileBasedTemplateManager extends ComplexFileBasedTemplate
{
private $nameToCallableCollection = array();
public function __call($name, array $arguments)
{
$callableIsNotRegistered = (!$this->callableIsRegistered($name));
if ($callableIsNotRegistered) {
throw new RuntimeException(
'no callable found for name "' . $name . '"'
);
}
$callable = $this->getCallable($name);
return call_user_func_array($callable, $arguments);
}
public function registerCallable($name, $callable)
{
$this->validateStringOrThrowInvalidArgumentException($name, 'name');
$this->validateCallableOrThrowInvalidArgumentException($callable, $name);
$this->nameToCallableCollection[$name] = $callable;
return $this;
}
private function callableIsRegistered($name)
{
return (isset($this->nameToCallableCollection[$name]));
}
private function getCallable($name)
{
return $this->nameToCallableCollection[$name];
}
private function validateCallableOrThrowInvalidArgumentException($callable, $name)
{
$isNotCallable = (!is_callable($callable));
if ($isNotCallable) {
throw new InvalidArgumentException(
'callable must be callable'
);
}
$callableAlreadyRegistered = $this->callableIsRegistered($name);
if ($callableAlreadyRegistered) {
throw new InvalidArgumentException(
'a callable with the name "' . $name . '" is already registered'
);
}
}
private function validateStringOrThrowInvalidArgumentException($string, $name)
{
$nameIsNotAString = (!is_string($name));
if ($nameIsNotAString) {
throw new InvalidArgumentException(
$name . ' must be a valid string'
);
}
}
}