Add the Application ClassPathMapper

diff --git a/framework/Autoloader/lib/Horde/Autoloader/ClassPathMapper/Application.php b/framework/Autoloader/lib/Horde/Autoloader/ClassPathMapper/Application.php
new file mode 100644 (file)
index 0000000..d28bc3a
--- /dev/null
+++ b/framework/Autoloader/lib/Horde/Autoloader/ClassPathMapper/Application.php
@@ -0,0 +1,49 @@
+<?php
+/**
+ * Provides a generic pattern for different mapping types within the application
+ * directory.
+ *
+ * @author   Bob Mckee <bmckee@bywires.com>
+ * @author   Chuck Hagenbuch <chuck@horde.org>
+ * @category Horde
+ * @package  Horde_Autoloader
+ */
+class Horde_Autoloader_ClassPathMapper_Application implements Horde_Autoloader_ClassPathMapper
+{
+    protected $_appDir;
+    protected $_mappings = array();
+
+    /**
+     * The following constants are for naming the positions in the regex for
+     * easy readability later.
+     */
+    const APPLICATION_POS = 1;
+    const ACTION_POS = 2;
+    const SUFFIX_POS = 3;
+
+    const NAME_SEGMENT = '([0-9A-Z][0-9A-Za-z]+)+';
+
+    public function __construct($appDir)
+    {
+        $this->_appDir = rtrim($appDir, '/') . '/';
+    }
+
+    public function addMapping($classSuffix, $subDir)
+    {
+        $this->_mappings[$classSuffix] = $subDir;
+        $this->_classMatchRegex = '/^' . self::NAME_SEGMENT . '_' . self::NAME_SEGMENT . '_' .
+            '(' . implode('|', array_keys($this->_mappings)) . ')$/';
+    }
+
+    public function mapToPath($className)
+    {
+        if (preg_match($this->_classMatchRegex, $className, $matches)) {
+            return $this->_appDir . $this->_mappings[$matches[self::SUFFIX_POS]] . '/' . $matches[self::ACTION_POS] . '.php';
+        }
+    }
+
+    public function __toString()
+    {
+        return get_class($this) . ' ' . $this->_classMatchRegex . ' [' . $this->_appDir . ']';
+    }
+}

diff --git a/framework/Autoloader/test/Horde/Autoloader/ClassPathMapper/ApplicationTest.php b/framework/Autoloader/test/Horde/Autoloader/ClassPathMapper/ApplicationTest.php
new file mode 100644 (file)
index 0000000..8bfa1ba
--- /dev/null
+++ b/framework/Autoloader/test/Horde/Autoloader/ClassPathMapper/ApplicationTest.php
@@ -0,0 +1,57 @@
+<?php
+/**
+ * @category Horde
+ * @package  Horde_Autoloader
+ */
+class Horde_Autoloader_ClassPathMapper_ApplicationTest extends PHPUnit_Framework_TestCase
+{
+    private $_mapper;
+
+    public function setUp()
+    {
+        $this->_mapper = new Horde_Autoloader_ClassPathMapper_Application(
+            'app' // directory to app dir
+        );
+        $this->_mapper->addMapping('Suffix', 'subdir');
+    }
+
+    public function providerValidClassNames()
+    {
+        return array(
+            array('Module_Action_Suffix', 'app/subdir/Action.php'),
+            array('MyModule_Action_Suffix', 'app/subdir/Action.php'),
+            array('Module_MyAction_Suffix', 'app/subdir/MyAction.php'),
+            array('MyModule_MyAction_Suffix', 'app/subdir/MyAction.php'),
+        );
+    }
+
+    /**
+     * @dataProvider providerValidClassNames
+     */
+    public function testShouldMapValidAppClassToAppPath($validClassName, $classPath)
+    {
+        $this->assertEquals(
+            $classPath,
+            $this->_mapper->mapToPath($validClassName)
+        );
+    }
+
+    public function providerInvalidClassNames()
+    {
+        return array(
+            array('Module_Action_BadSuffix'),
+            array('module_Action_Suffix'),
+            array('Module_action_Suffix'),
+            array('Module-Action-Suffix'),
+            array(''),
+        );
+    }
+
+    /**
+     * @dataProvider providerInvalidClassNames
+     */
+    public function testShouldIgnoreInvalidAppClassNames($invalidClassName)
+    {
+        $this->assertNull($this->_mapper->mapToPath($invalidClassName));
+    }
+}