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<?php
/**
* This file is part of PDepend.
*
* PHP Version 5
*
* Copyright (c) 2008-2017 Manuel Pichler <[email protected]>.
* 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.
*
* @copyright 2008-2017 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
namespace PDepend\Report\Jdepend;
use DOMDocument;
use DOMElement;
use PDepend\Metrics\Analyzer;
use PDepend\Metrics\Analyzer\DependencyAnalyzer;
use PDepend\Report\CodeAwareGenerator;
use PDepend\Report\FileAwareGenerator;
use PDepend\Report\NoLogOutputException;
use PDepend\Source\AST\ASTArtifactList;
use PDepend\Source\AST\ASTNamespace;
use PDepend\Source\ASTVisitor\AbstractASTVisitor;
use PDepend\Util\FileUtil;
use PDepend\Util\ImageConvert;
use PDepend\Util\Utf8Util;
/**
* Generates a chart with the aggregated metrics.
*
* @copyright 2008-2017 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
*/
class Chart extends AbstractASTVisitor implements CodeAwareGenerator, FileAwareGenerator
{
/**
* The output file name.
*
* @var string
*/
private $logFile = null;
/**
* The context source code.
*
* @var ASTArtifactList<ASTNamespace>
*/
private $code = null;
/**
* The context analyzer instance.
*
* @var Analyzer\DependencyAnalyzer
*/
private $analyzer = null;
/**
* Sets the output log file.
*
* @param string $logFile The output log file.
*
* @return void
*/
public function setLogFile($logFile)
{
$this->logFile = $logFile;
}
/**
* Returns an <b>array</b> with accepted analyzer types. These types can be
* concrete analyzer classes or one of the descriptive analyzer interfaces.
*
* @return array<string>
*/
public function getAcceptedAnalyzers()
{
return array('pdepend.analyzer.dependency');
}
/**
* Sets the context code nodes.
*
* @param ASTArtifactList<ASTNamespace> $artifacts
*
* @return void
*/
public function setArtifacts(ASTArtifactList $artifacts)
{
$this->code = $artifacts;
}
/**
* Adds an analyzer to log. If this logger accepts the given analyzer it
* with return <b>true</b>, otherwise the return value is <b>false</b>.
*
* @param Analyzer $analyzer The analyzer to log.
*
* @return bool
*/
public function log(Analyzer $analyzer)
{
if ($analyzer instanceof DependencyAnalyzer) {
$this->analyzer = $analyzer;
return true;
}
return false;
}
/**
* Closes the logger process and writes the output file.
*
* @throws NoLogOutputException If the no log target exists.
*
* @return void
*/
public function close()
{
// Check for configured log file
if ($this->logFile === null) {
throw new NoLogOutputException($this);
}
$bias = 0.1;
$svg = new DOMDocument('1.0', 'UTF-8');
$svg->loadXML(file_get_contents(dirname(__FILE__) . '/chart.svg'));
$layer = $svg->getElementById('jdepend.layer');
$bad = $svg->getElementById('jdepend.bad');
$bad->removeAttribute('xml:id');
$good = $svg->getElementById('jdepend.good');
$good->removeAttribute('xml:id');
$legendTemplate = $svg->getElementById('jdepend.legend');
$legendTemplate->removeAttribute('xml:id');
foreach ($this->getItems() as $item) {
$element = $item['distance'] < $bias ? $good : $bad;
$ellipse = $element->cloneNode(true);
if (!$ellipse instanceof DOMElement) {
continue;
}
$a = $item['ratio'] / 15;
$e = (50 - $item['ratio']) + ($item['abstraction'] * 320);
$f = (20 - $item['ratio'] + 190) - ($item['instability'] * 190);
$transform = "matrix({$a}, 0, 0, {$a}, {$e}, {$f})";
$ellipse->setAttribute('id', uniqid('pdepend_'));
$ellipse->setAttribute('title', $item['name']);
$ellipse->setAttribute('transform', $transform);
$layer->appendChild($ellipse);
$result = preg_match('#\\\\([^\\\\]+)$#', $item['name'], $found);
if ($result && count($found)) {
$angle = rand(0, 314) / 100 - 1.57;
$legend = $legendTemplate->cloneNode(true);
if ($legend instanceof DOMElement) {
$legend->setAttribute('x', (string)($e + $item['ratio'] * (1 + cos($angle))));
$legend->setAttribute('y', (string)($f + $item['ratio'] * (1 + sin($angle))));
$legend->nodeValue = $found[1];
$legendTemplate->parentNode->appendChild($legend);
}
}
}
$bad->parentNode->removeChild($bad);
$good->parentNode->removeChild($good);
$legendTemplate->parentNode->removeChild($legendTemplate);
$temp = FileUtil::getSysTempDir();
$temp .= '/' . uniqid('pdepend_') . '.svg';
$svg->save($temp);
ImageConvert::convert($temp, $this->logFile);
// Remove temp file
unlink($temp);
}
/**
* @return array<int, array<string, mixed>>
*/
private function getItems()
{
$items = array();
foreach ($this->code as $namespace) {
if (!$namespace->isUserDefined()) {
continue;
}
$metrics = $this->analyzer->getStats($namespace);
if (count($metrics) === 0) {
continue;
}
$items[] = array(
'size' => $metrics['cc'] + $metrics['ac'],
'abstraction' => $metrics['a'],
'instability' => $metrics['i'],
'distance' => $metrics['d'],
'name' => Utf8Util::ensureEncoding($namespace->getName())
);
}
// Sort items by size
usort(
$items,
function ($a, $b) {
return ($a['size'] - $b['size']);
}
);
if ($items) {
$max = $items[count($items) - 1]['size'];
$min = $items[0]['size'];
$diff = (($max - $min) / 10);
foreach ($items as &$item) {
$item['ratio'] = 15;
if ($diff !== 0) {
$item['ratio'] = 5 + (($item['size'] - $min) / $diff);
}
}
}
return $items;
}
}