Support for xml output to stdout

src/Log/AbstractXmlLogger.php

@@ -58,12 +58,14 @@ abstract class AbstractXmlLogger
     {
         protected $document;
 
+        protected $xml;
+
         /**
          * Constructor.
          *
          * @param string $filename
          */
-        public function __construct($filename)
+        public function __construct($filename = null)
         {
             $this->document = new \DOMDocument('1.0', 'UTF-8');
             $this->document->formatOutput = TRUE;
@@ -72,11 +74,23 @@ public function __construct($filename)
         }
 
         /**
-         * Writes the XML document to the file.
+         * Writes the XML document to the file or catches document content
          */
         protected function flush()
         {
-            file_put_contents($this->filename, $this->document->saveXML());
+            if ($this->filename) {
+                file_put_contents($this->filename, $this->document->saveXML());
+            } else {
+                $this->xml = $this->document->saveXML();
+            }
+        }
+
+        /**
+         * Get XML content if no save file was given.
+         */
+        public function getXML()
+        {
+            return $this->xml;
         }
 
         /**

src/TextUI/Command.php

@@ -102,6 +102,16 @@ public function main()
                )
             );
 
+            $input->registerOption(
+              new \ezcConsoleOption(
+                '',
+                'xml-out',
+                \ezcConsoleInput::TYPE_NONE,
+                NULL,
+                FALSE
+               )
+            );
+
             $input->registerOption(
               new \ezcConsoleOption(
                 '',
@@ -201,6 +211,7 @@ public function main()
 
             $excludes   = $input->getOption('exclude')->value;
             $logPmd     = $input->getOption('log-pmd')->value;
+            $xmlOut     = $input->getOption('xml-out')->value;
             $minLines   = $input->getOption('min-lines')->value;
             $minTokens  = $input->getOption('min-tokens')->value;
             $names      = explode(',', $input->getOption('names')->value);
@@ -215,7 +226,9 @@ public function main()
                 $output = NULL;
             }
 
-            $this->printVersionString();
+            if (!$xmlOut) {
+                $this->printVersionString();
+            }
 
             $finder = new FinderFacade($arguments, $excludes, $names);
             $files  = $finder->findFiles();
@@ -231,16 +244,26 @@ public function main()
               $files, $minLines, $minTokens
             );
 
-            $printer = new ResultPrinter;
-            $printer->printResult($clones, !$quiet, $verbose);
-            unset($printer);
+            if (!$xmlOut) {
+                $printer = new ResultPrinter;
+                $printer->printResult($clones, !$quiet, $verbose);
+                unset($printer);
+            }
 
             if ($logPmd) {
                 $pmd = new PMD($logPmd);
                 $pmd->processClones($clones);
                 unset($pmd);
             }
 
+            if ($xmlOut) {
+                $pmdxml = new PMD();
+                $pmdxml->processClones($clones);
+                print $pmdxml->getXML();
+                unset($pmdxml);
+                exit(0);
+            }
+
             if (count($clones) > 0) {
                 exit(1);
             }
@@ -272,6 +295,8 @@ protected function showHelp()
 
   --log-pmd <file>         Write report in PMD-CPD XML format to file.
 
+  --xml-out                Write report in PMD-CPD XML format to stdout.
+
   --min-lines <N>          Minimum number of identical lines (default: 5).
   --min-tokens <N>         Minimum number of identical tokens (default: 70).