/usr/share/php/PHP/Depend/Metrics/Hierarchy/Analyzer.php is in pdepend 1.1.4-1.
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/**
* This file is part of PHP_Depend.
*
* PHP Version 5
*
* Copyright (c) 2008-2012, Manuel Pichler <mapi@pdepend.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Manuel Pichler nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category QualityAssurance
* @package PHP_Depend
* @subpackage Metrics
* @author Manuel Pichler <mapi@pdepend.org>
* @copyright 2008-2012 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version SVN: $Id$
* @link http://pdepend.org/
*/
/**
* This analyzer calculates class/package hierarchy metrics.
*
* This analyzer expects that a node list filter is set, before it starts the
* analyze process. This filter will suppress PHP internal and external library
* stuff.
*
* This analyzer is based on the following metric set:
* - http://www.aivosto.com/project/help/pm-oo-misc.html
*
* This analyzer is based on the following metric set:
* - http://www.aivosto.com/project/help/pm-oo-misc.html
*
* @category QualityAssurance
* @package PHP_Depend
* @subpackage Metrics
* @author Manuel Pichler <mapi@pdepend.org>
* @copyright 2008-2012 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version Release: 1.1.4
* @link http://pdepend.org/
*/
class PHP_Depend_Metrics_Hierarchy_Analyzer
extends PHP_Depend_Metrics_AbstractAnalyzer
implements PHP_Depend_Metrics_AnalyzerI,
PHP_Depend_Metrics_FilterAwareI,
PHP_Depend_Metrics_NodeAwareI,
PHP_Depend_Metrics_ProjectAwareI
{
/**
* Type of this analyzer class.
*/
const CLAZZ = __CLASS__;
/**
* Metrics provided by the analyzer implementation.
*/
const M_NUMBER_OF_ABSTRACT_CLASSES = 'clsa',
M_NUMBER_OF_CONCRETE_CLASSES = 'clsc',
M_NUMBER_OF_ROOT_CLASSES = 'roots',
M_NUMBER_OF_LEAF_CLASSES = 'leafs';
/**
* Number of all analyzed functions.
*
* @var integer
*/
private $fcs = 0;
/**
* Number of all analyzer methods.
*
* @var integer
*/
private $mts = 0;
/**
* Number of all analyzed classes.
*
* @var integer
*/
private $cls = 0;
/**
* Number of all analyzed abstract classes.
*
* @var integer
*/
private $clsa = 0;
/**
* Number of all analyzed interfaces.
*
* @var integer
*/
private $interfs = 0;
/**
* Number of all root classes within the analyzed source code.
*
* @var array(string=>boolean)
*/
private $roots = array();
/**
* Number of all none leaf classes within the analyzed source code
*
* @var array(string=>boolean)
*/
private $noneLeafs = array();
/**
* Hash with all calculated node metrics.
*
* <code>
* array(
* '0375e305-885a-4e91-8b5c-e25bda005438' => array(
* 'loc' => 42,
* 'ncloc' => 17,
* 'cc' => 12
* ),
* 'e60c22f0-1a63-4c40-893e-ed3b35b84d0b' => array(
* 'loc' => 42,
* 'ncloc' => 17,
* 'cc' => 12
* )
* )
* </code>
*
* @var array(string=>array)
*/
private $nodeMetrics = null;
/**
* Processes all {@link PHP_Depend_Code_Package} code nodes.
*
* @param PHP_Depend_Code_NodeIterator $packages The input package set.
*
* @return void
* @see PHP_Depend_Metrics_AnalyzerI::analyze()
*/
public function analyze(PHP_Depend_Code_NodeIterator $packages)
{
if ($this->nodeMetrics === null) {
$this->fireStartAnalyzer();
// Init node metrics
$this->nodeMetrics = array();
// Visit all nodes
foreach ($packages as $package) {
$package->accept($this);
}
$this->fireEndAnalyzer();
}
}
/**
* Provides the project summary metrics as an <b>array</b>.
*
* @return array(string=>mixed)
*/
public function getProjectMetrics()
{
// Count none leaf classes
$noneLeafs = count($this->noneLeafs);
return array(
self::M_NUMBER_OF_ABSTRACT_CLASSES => $this->clsa,
self::M_NUMBER_OF_CONCRETE_CLASSES => $this->cls - $this->clsa,
self::M_NUMBER_OF_ROOT_CLASSES => count($this->roots),
self::M_NUMBER_OF_LEAF_CLASSES => $this->cls - $noneLeafs,
);
}
/**
* This method will return an <b>array</b> with all generated metric values
* for the given <b>$node</b> instance. If there are no metrics for the
* requested node, this method will return an empty <b>array</b>.
*
* @param PHP_Depend_Code_NodeI $node The context node instance.
*
* @return array(string=>mixed)
*/
public function getNodeMetrics(PHP_Depend_Code_NodeI $node)
{
if (isset($this->nodeMetrics[$node->getUuid()])) {
return $this->nodeMetrics[$node->getUuid()];
}
return array();
}
/**
* Calculates metrics for the given <b>$class</b> instance.
*
* @param PHP_Depend_Code_Class $class The context class instance.
*
* @return void
* @see PHP_Depend_VisitorI::visitClass()
*/
public function visitClass(PHP_Depend_Code_Class $class)
{
if (false === $class->isUserDefined()) {
return;
}
$this->fireStartClass($class);
++$this->cls;
if ($class->isAbstract()) {
++$this->clsa;
}
$parentClass = $class->getParentClass();
if ($parentClass !== null) {
if ($parentClass->getParentClass() === null) {
$this->roots[$parentClass->getUuid()] = true;
}
$this->noneLeafs[$parentClass->getUuid()] = true;
}
// Store node metric
$this->nodeMetrics[$class->getUuid()] = array();
foreach ($class->getMethods() as $method) {
$method->accept($this);
}
foreach ($class->getProperties() as $property) {
$property->accept($this);
}
$this->fireEndClass($class);
}
/**
* Calculates metrics for the given <b>$function</b> instance.
*
* @param PHP_Depend_Code_Function $function The context function instance.
*
* @return void
* @see PHP_Depend_VisitorI::visitFunction()
*/
public function visitFunction(PHP_Depend_Code_Function $function)
{
$this->fireStartFunction($function);
++$this->fcs;
$this->fireEndFunction($function);
}
/**
* Calculates metrics for the given <b>$interface</b> instance.
*
* @param PHP_Depend_Code_Interface $interface The context interface instance.
*
* @return void
* @see PHP_Depend_VisitorI::visitInterface()
*/
public function visitInterface(PHP_Depend_Code_Interface $interface)
{
$this->fireStartInterface($interface);
++$this->interfs;
foreach ($interface->getMethods() as $method) {
$method->accept($this);
}
$this->fireEndInterface($interface);
}
/**
* Visits a method node.
*
* @param PHP_Depend_Code_Class $method The method class node.
*
* @return void
* @see PHP_Depend_VisitorI::visitMethod()
*/
public function visitMethod(PHP_Depend_Code_Method $method)
{
$this->fireStartMethod($method);
++$this->mts;
$this->fireEndMethod($method);
}
/**
* Calculates metrics for the given <b>$package</b> instance.
*
* @param PHP_Depend_Code_Package $package The context package instance.
*
* @return void
* @see PHP_Depend_VisitorI::visitPackage()
*/
public function visitPackage(PHP_Depend_Code_Package $package)
{
$this->fireStartPackage($package);
foreach ($package->getTypes() as $type) {
$type->accept($this);
}
foreach ($package->getFunctions() as $function) {
$function->accept($this);
}
$this->fireEndPackage($package);
}
}
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