1 files changed, 77 insertions, 0 deletions
diff --git a/library/Businessprocess/Storage/ConfigDiff.php b/library/Businessprocess/Storage/ConfigDiff.php
new file mode 100644
index 0000000..133cfb7
--- /dev/null
+++ b/library/Businessprocess/Storage/ConfigDiff.php
@@ -0,0 +1,77 @@
+<?php
+
+namespace Icinga\Module\Businessprocess\Storage;
+
+use ipl\Html\ValidHtml;
+use Jfcherng\Diff\Differ;
+use Jfcherng\Diff\Factory\RendererFactory;
+
+class ConfigDiff implements ValidHtml
+{
+    protected $a;
+
+    protected $b;
+
+    protected $diff;
+    protected $opcodes;
+
+    protected function __construct($a, $b)
+    {
+        if (empty($a)) {
+            $this->a = array();
+        } else {
+            $this->a = explode("\n", (string) $a);
+        }
+
+        if (empty($b)) {
+            $this->b = array();
+        } else {
+            $this->b = explode("\n", (string) $b);
+        }
+
+        $options = array(
+            'context' => 5,
+            // 'ignoreWhitespace' => true,
+            // 'ignoreCase' => true,
+        );
+        $this->diff = new Differ($this->a, $this->b, $options);
+    }
+
+    /**
+     * @return string
+     */
+    public function render()
+    {
+        return $this->renderHtmlSideBySide();
+    }
+
+    public function renderHtmlSideBySide()
+    {
+        $renderer = RendererFactory::make('SideBySide');
+        return $renderer->render($this->diff);
+    }
+
+    public function renderHtmlInline()
+    {
+        $renderer = RendererFactory::make('Inline');
+        return $renderer->render($this->diff);
+    }
+
+    public function renderTextContext()
+    {
+        $renderer = RendererFactory::make('Context');
+        return $renderer->render($this->diff);
+    }
+
+    public function renderTextUnified()
+    {
+        $renderer = RendererFactory::make('Unified');
+        return $renderer->render($this->diff);
+    }
+
+    public static function create($a, $b)
+    {
+        $diff = new static($a, $b);
+        return $diff;
+    }
+}