Add Alchemy CMS to the scanner (#40)

README.md

@@ -11,6 +11,7 @@ This tool is developed by the CMS-Garden project. It's designed to scan a local
 * TYPO3 CMS
 * WordPress
 * Prestashop
+* Alchemy CMS
 
 It is designed to work on Linux, OS X and FreeBSD.
 

src/Detector/Adapter/AlchemyCmsAdapter.php

@@ -0,0 +1,106 @@
+<?php
+/**
+ * @package    CMSScanner
+ * @copyright  Copyright (C) 2014 CMS-Garden.org
+ * @license    GNU GPLv3 <http://www.gnu.org/licenses/gpl.html>
+ * @link       http://www.cms-garden.org
+ */
+
+namespace Cmsgarden\Cmsscanner\Detector\Adapter;
+
+use Cmsgarden\Cmsscanner\Detector\System;
+use Cmsgarden\Cmsscanner\Detector\Module;
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\Finder\SplFileInfo;
+
+/**
+ * Class AlchemyCmsAdapter
+ * @package Cmsgarden\Cmsscanner\Detector\Adapter
+ *
+ * @since   1.0.0
+ */
+class AlchemyCmsAdapter implements AdapterInterface
+{
+
+    # The Gemfile.lock includes the fixed version number of Alchemy CMS
+    # the host application is curently using.
+    protected $version_file = "Gemfile.lock";
+    protected $version_regex = "/\s{2,}specs:\n\s{4,}alchemy_cms\s\((\d+\.\d+\..*)\)\n/";
+
+    /**
+     * look for the Gemfile.lock with a proper version format
+     *
+     * @param   Finder  $finder  finder instance to append the criteria
+     *
+     * @return Finder
+     */
+    public function appendDetectionCriteria(Finder $finder)
+    {
+        $finder->name($this->version_file);
+
+        return $finder;
+    }
+
+    /**
+     * verify a search result by making sure that the file has the correct name and alchemy_cms is in there
+     *
+     * @param   SplFileInfo  $file  file to examine
+     *
+     * @return  bool|System
+     */
+    public function detectSystem(SplFileInfo $file)
+    {
+        if ($file->getFilename() != $this->version_file) {
+            return false;
+        }
+
+        if (stripos($file->getContents(), 'alchemy_cms') === false) {
+            return false;
+        }
+
+        $path = new \SplFileInfo($file->getPath());
+
+        return new System($this->getName(), $path);
+    }
+
+    /**
+     * determine version number of a Alchemy CMS installation
+     *
+     * @param   \SplFileInfo  $path  directory where the system is installed
+     *
+     * @return  null
+     */
+    public function detectVersion(\SplFileInfo $path)
+    {
+        $versionFile = $path->getRealPath() . "/" . $this->version_file;
+
+        if (!file_exists($versionFile) || !is_readable($versionFile)) {
+            return null; // @codeCoverageIgnore
+        }
+
+        preg_match($this->version_regex, file_get_contents($versionFile), $matches);
+
+        if (count($matches)) {
+            return $matches[1];
+        }
+
+        return null;
+    }
+
+    /**
+     * @InheritDoc
+     */
+    public function detectModules(\SplFileInfo $path)
+    {
+        // TODO implement this function
+        return array();
+    }
+
+    /**
+     * @return string
+     */
+    public function getName()
+    {
+        return 'Alchemy CMS';
+    }
+}