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<?php
/**
* PHP_UML
*
* PHP version 5
*
* @category PHP
* @package PHP_UML
* @subpackage Metamodel
* @author Baptiste Autin <ohlesbeauxjours@yahoo.fr>
* @license http://www.gnu.org/licenses/lgpl.html LGPL License 3
* @version SVN: $Revision: 175 $
* @link http://pear.php.net/package/PHP_UML
* @link http://www.omg.org/mof/
* @since $Date: 2011-09-15 17:07:58 +0200 (jeu., 15 sept. 2011) $
*
*/
/**
* A TypeResolver is a class designed to correct a Metamodel_Package whose
* relationships between elements are not realized by direct references (nut
* by means of a qualified name, or an ID...)
* Such a tool is particularly needed when building a UML model, as during the
* iteration process, some of the referenced elements may have not yet been met.
*
* @category PHP
* @package PHP_UML
* @subpackage Metamodel
* @author Baptiste Autin <ohlesbeauxjours@yahoo.fr>
* @license http://www.gnu.org/licenses/lgpl.html LGPL License 3
*/
abstract class PHP_UML_Metamodel_TypeResolver
{
/**
* A reference of the top package of the model to resolve
*
* @var PHP_UML_Metamodel_Package
*/
protected $topPackage;
/**
* List of default packages where to look for orphaned elements
*
* @var array
*/
protected $defaultRepo = array();
/**
* Recursively replaces all the "named types" by a proper "reference" to a
* typed element. This impacts:
* - the extended classes and implemented classes (through their
* EMOF-"superClass" and "implements" relations)
* - the function parameters (through their EMOF-"type" attribute)
* - the properties in classes (through their EMOF-"type" attribute)
*
* @param PHP_UML_Metamodel_Package &$ns Package to resolve the elements of
* @param array $default Default packages where to look for
* orphaned elements
*/
abstract public function resolve(PHP_UML_Metamodel_Package &$ns, array $default);
/**
* Resolution error. Might later be isolated in a specific class.
*
* @param string $element Element
* @param PHP_UML_Metamodel_NamedElement $na NamedElement
*/
static protected function resolutionWarning($element, $na)
{
PHP_UML_Warning::add('Could not resolve '.$element.
(empty($na->file) ? '' : ' in '.$na->file->name));
}
/**
* Retrieve the PHP_UML_Metamodel_Package object related to a package path
* (ie, to a qualified name, like A\B\C).
* Relies on the model->$packages, when references are still named
* (= before their resolution)
*
* @param string $path The path to find
*
* @return PHP_UML_Metamodel_Package The package to find. Null if not found.
*/
protected function getPackageByPath($path)
{
$pkg = $this->topPackage;
do {
list($pos, $first, $path) = PHP_UML_Metamodel_Helper::getPackagePathParts($path);
if ($first!='')
$pkg = PHP_UML_Metamodel_Helper::findSubpackageByName($pkg, $first);
if ($pkg===false)
return false;
} while (!($pos===false));
return $pkg;
}
}
?>
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