First commit

developer/vendor/symfony/console/Descriptor/Descriptor.php

@@ -0,0 +1,122 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Console\Descriptor;
+
+use Symfony\Component\Console\Application;
+use Symfony\Component\Console\Command\Command;
+use Symfony\Component\Console\Input\InputArgument;
+use Symfony\Component\Console\Input\InputDefinition;
+use Symfony\Component\Console\Input\InputOption;
+use Symfony\Component\Console\Output\OutputInterface;
+use Symfony\Component\Console\Exception\InvalidArgumentException;
+
+/**
+ * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
+ *
+ * @internal
+ */
+abstract class Descriptor implements DescriptorInterface
+{
+    /**
+     * @var OutputInterface
+     */
+    private $output;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function describe(OutputInterface $output, $object, array $options = array())
+    {
+        $this->output = $output;
+
+        switch (true) {
+            case $object instanceof InputArgument:
+                $this->describeInputArgument($object, $options);
+                break;
+            case $object instanceof InputOption:
+                $this->describeInputOption($object, $options);
+                break;
+            case $object instanceof InputDefinition:
+                $this->describeInputDefinition($object, $options);
+                break;
+            case $object instanceof Command:
+                $this->describeCommand($object, $options);
+                break;
+            case $object instanceof Application:
+                $this->describeApplication($object, $options);
+                break;
+            default:
+                throw new InvalidArgumentException(sprintf('Object of type "%s" is not describable.', get_class($object)));
+        }
+    }
+
+    /**
+     * Writes content to output.
+     *
+     * @param string $content
+     * @param bool   $decorated
+     */
+    protected function write($content, $decorated = false)
+    {
+        $this->output->write($content, false, $decorated ? OutputInterface::OUTPUT_NORMAL : OutputInterface::OUTPUT_RAW);
+    }
+
+    /**
+     * Describes an InputArgument instance.
+     *
+     * @param InputArgument $argument
+     * @param array         $options
+     *
+     * @return string|mixed
+     */
+    abstract protected function describeInputArgument(InputArgument $argument, array $options = array());
+
+    /**
+     * Describes an InputOption instance.
+     *
+     * @param InputOption $option
+     * @param array       $options
+     *
+     * @return string|mixed
+     */
+    abstract protected function describeInputOption(InputOption $option, array $options = array());
+
+    /**
+     * Describes an InputDefinition instance.
+     *
+     * @param InputDefinition $definition
+     * @param array           $options
+     *
+     * @return string|mixed
+     */
+    abstract protected function describeInputDefinition(InputDefinition $definition, array $options = array());
+
+    /**
+     * Describes a Command instance.
+     *
+     * @param Command $command
+     * @param array   $options
+     *
+     * @return string|mixed
+     */
+    abstract protected function describeCommand(Command $command, array $options = array());
+
+    /**
+     * Describes an Application instance.
+     *
+     * @param Application $application
+     * @param array       $options
+     *
+     * @return string|mixed
+     */
+    abstract protected function describeApplication(Application $application, array $options = array());
+}