add crap4j xml report

PHP/CodeCoverage/Autoload.php

@@ -68,6 +68,7 @@ function ($class)
             'php_codecoverage_exception_unintentionallycoveredcode' => '/CodeCoverage/Exception/UnintentionallyCoveredCode.php',
             'php_codecoverage_filter' => '/CodeCoverage/Filter.php',
             'php_codecoverage_report_clover' => '/CodeCoverage/Report/Clover.php',
+            'php_codecoverage_report_crap4j' => '/CodeCoverage/Report/Crap4j.php',
             'php_codecoverage_report_factory' => '/CodeCoverage/Report/Factory.php',
             'php_codecoverage_report_html' => '/CodeCoverage/Report/HTML.php',
             'php_codecoverage_report_html_renderer' => '/CodeCoverage/Report/HTML/Renderer.php',

PHP/CodeCoverage/Report/Crap4j.php

@@ -0,0 +1,113 @@
+<?php
+
+/**
+ * PHP_CodeCoverage_Report_Crap4j
+ */
+class PHP_CodeCoverage_Report_Crap4j
+{
+    private $threshold = 30;
+
+    /**
+     * @param  PHP_CodeCoverage $coverage
+     * @param  string           $target
+     * @param  string           $name
+     * @return string
+     */
+    public function process(PHP_CodeCoverage $coverage, $target = NULL, $name = NULL)
+    {
+        $document = new DOMDocument('1.0', 'UTF-8');
+        $document->formatOutput = TRUE;
+
+        $root = $document->createElement('crap_result');
+        $document->appendChild($root);
+
+        $project = $document->createElement('project', is_string($name) ? $name : '');
+        $root->appendChild($project);
+        $root->appendChild($document->createElement('timestamp', date('Y-m-d H:i:s', (int)$_SERVER['REQUEST_TIME'])));
+
+        $stats = $document->createElement('stats');
+        $methodsNode = $document->createElement('methods');
+
+        $report   = $coverage->getReport();
+        unset($coverage);
+
+        $fullMethodCount = 0;
+        $fullCrapMethodCount = 0;
+        $fullCrapLoad = 0;
+        $fullCrap = 0;
+
+        foreach ($report as $item) {
+            if (!$item instanceof PHP_CodeCoverage_Report_Node_File) {
+                continue;
+            }
+
+            $file = $document->createElement('file');
+            $file->setAttribute('name', $item->getPath());
+
+            $classes = $item->getClassesAndTraits();
+
+            foreach ($classes as $className => $class) {
+                foreach ($class['methods'] as $methodName => $method) {
+                    $crapLoad = $this->getCrapLoad($method['crap'], $method['ccn'], $method['coverage']);
+
+                    $fullCrap += $method['crap'];
+                    $fullCrapLoad += $crapLoad;
+                    $fullMethodCount++;
+
+                    if ($method['crap'] >= $this->threshold) {
+                        $fullCrapMethodCount++;
+                    }
+
+                    $methodNode = $document->createElement('method');
+
+                    $methodNode->appendChild($document->createElement('package', ''));
+                    $methodNode->appendChild($document->createElement('className', $className));
+                    $methodNode->appendChild($document->createElement('methodName', $methodName));
+                    $methodNode->appendChild($document->createElement('methodSignature', htmlspecialchars($method['signature'])));
+                    $methodNode->appendChild($document->createElement('fullMethod', htmlspecialchars($method['signature'])));
+                    $methodNode->appendChild($document->createElement('crap', $this->roundValue($method['crap'])));
+                    $methodNode->appendChild($document->createElement('complexity', $method['ccn']));
+                    $methodNode->appendChild($document->createElement('coverage', $this->roundValue($method['coverage'])));
+                    $methodNode->appendChild($document->createElement('crapLoad', round($crapLoad)));
+
+                    $methodsNode->appendChild($methodNode);
+                }
+            }
+        }
+
+        $stats->appendChild($document->createElement('name', 'Method Crap Stats'));
+        $stats->appendChild($document->createElement('methodCount', $fullMethodCount));
+        $stats->appendChild($document->createElement('crapMethodCount', $fullCrapMethodCount));
+        $stats->appendChild($document->createElement('crapLoad', round($fullCrapLoad)));
+        $stats->appendChild($document->createElement('totalCrap', $fullCrap));
+        $stats->appendChild($document->createElement('crapMethodPercent', $this->roundValue(100 * $fullCrapMethodCount / $fullMethodCount)));
+
+        $root->appendChild($stats);
+        $root->appendChild($methodsNode);
+
+        if ($target !== NULL) {
+            if (!is_dir(dirname($target))) {
+              mkdir(dirname($target), 0777, TRUE);
+            }
+
+            return $document->save($target);
+        } else {
+            return $document->saveXML();
+        }
+    }
+
+    private function getCrapLoad($crapValue, $cyclomaticComplexity, $coveragePercent)
+    {
+        $crapLoad = 0;
+        if ($crapValue > $this->threshold) {
+            $crapLoad += $cyclomaticComplexity * (1.0 - $coveragePercent / 100);
+            $crapLoad += $cyclomaticComplexity / $this->threshold;
+        }
+        return $crapLoad;
+    }
+
+    private function roundValue($value)
+    {
+        return round($value, 2);
+    }
+}

package.xml

@@ -78,6 +78,7 @@
        <file baseinstalldir="/" name="Iterator.php" role="php" />
       </dir>
       <file baseinstalldir="/" name="Clover.php" role="php" />
+      <file baseinstalldir="/" name="Crap4j.php" role="php" />
       <file baseinstalldir="/" name="Factory.php" role="php" />
       <file baseinstalldir="/" name="HTML.php" role="php" />
       <file baseinstalldir="/" name="Node.php" role="php" />