From f675d0f3271b5c9c507de6212acb7018ee9d4b26 Mon Sep 17 00:00:00 2001
From: Jordan Barnes <jb8893@gmail.com>
Date: Wed, 22 Nov 2023 12:15:43 -0500
Subject: [PATCH] Added checkstyle reporting.

---
 src/Report/Reporter/CheckstyleReporter.php | 40 ++++++++++++++++++++++
 src/Report/ReporterFactory.php             |  2 ++
 2 files changed, 42 insertions(+)
 create mode 100644 src/Report/Reporter/CheckstyleReporter.php

diff --git a/src/Report/Reporter/CheckstyleReporter.php b/src/Report/Reporter/CheckstyleReporter.php
new file mode 100644
index 00000000..18070561
--- /dev/null
+++ b/src/Report/Reporter/CheckstyleReporter.php
@@ -0,0 +1,40 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TwigCsFixer\Report\Reporter;
+
+use Symfony\Component\Console\Output\OutputInterface;
+use TwigCsFixer\Report\Report;
+use TwigCsFixer\Report\SniffViolation;
+
+/**
+ * Human-readable output with context.
+ */
+final class CheckstyleReporter implements ReporterInterface
+{
+    public const NAME = 'checkstyle';
+
+    public function display(OutputInterface $output, Report $report, ?string $level = null): void
+    {
+        $checkstyle = new \SimpleXMLElement('<checkstyle version="1.0.0"/>');
+
+        foreach ($report->getFiles() as $file) {
+            $fileMessages = $report->getMessages($file, $level);
+            if (\count($fileMessages) > 0) {
+                $filenode = $checkstyle->addChild('file');
+                $filenode->addAttribute('name', $file);
+
+                foreach ($fileMessages as $message) {
+                    $violation = $filenode->addChild('violation');
+                    $violation->addAttribute('column', (string) $message->getLinePosition());
+                    $violation->addAttribute('line', (string) $message->getLine());
+                    $violation->addAttribute('severity', strtolower(SniffViolation::getLevelAsString($message->getLevel())));
+                    $violation->addAttribute('message', $message->getMessage());
+                }
+            }
+        }
+
+        $output->writeln($checkstyle->asXML());
+    }
+}
diff --git a/src/Report/ReporterFactory.php b/src/Report/ReporterFactory.php
index aa458723..cb7fef60 100644
--- a/src/Report/ReporterFactory.php
+++ b/src/Report/ReporterFactory.php
@@ -8,6 +8,7 @@
 use TwigCsFixer\Report\Reporter\NullReporter;
 use TwigCsFixer\Report\Reporter\ReporterInterface;
 use TwigCsFixer\Report\Reporter\TextReporter;
+use TwigCsFixer\Report\Reporter\CheckstyleReporter;
 
 final class ReporterFactory
 {
@@ -16,6 +17,7 @@ public function getReporter(string $format = TextReporter::NAME): ReporterInterf
         return match ($format) {
             NullReporter::NAME => new NullReporter(),
             TextReporter::NAME => new TextReporter(),
+            CheckstyleReporter::NAME => new CheckstyleReporter(),
             default            => throw new InvalidArgumentException(
                 sprintf('No reporter supports the format "%s".', $format)
             ),