First commit

vendor/symfony/console/Input/Input.php

@@ -0,0 +1,203 @@
+<?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\Input;
+
+use Symfony\Component\Console\Exception\InvalidArgumentException;
+use Symfony\Component\Console\Exception\RuntimeException;
+
+/**
+ * Input is the base class for all concrete Input classes.
+ *
+ * Three concrete classes are provided by default:
+ *
+ *  * `ArgvInput`: The input comes from the CLI arguments (argv)
+ *  * `StringInput`: The input is provided as a string
+ *  * `ArrayInput`: The input is provided as an array
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class Input implements InputInterface, StreamableInputInterface
+{
+    protected $definition;
+    protected $stream;
+    protected $options = array();
+    protected $arguments = array();
+    protected $interactive = true;
+
+    public function __construct(InputDefinition $definition = null)
+    {
+        if (null === $definition) {
+            $this->definition = new InputDefinition();
+        } else {
+            $this->bind($definition);
+            $this->validate();
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function bind(InputDefinition $definition)
+    {
+        $this->arguments = array();
+        $this->options = array();
+        $this->definition = $definition;
+
+        $this->parse();
+    }
+
+    /**
+     * Processes command line arguments.
+     */
+    abstract protected function parse();
+
+    /**
+     * {@inheritdoc}
+     */
+    public function validate()
+    {
+        $definition = $this->definition;
+        $givenArguments = $this->arguments;
+
+        $missingArguments = array_filter(array_keys($definition->getArguments()), function ($argument) use ($definition, $givenArguments) {
+            return !array_key_exists($argument, $givenArguments) && $definition->getArgument($argument)->isRequired();
+        });
+
+        if (count($missingArguments) > 0) {
+            throw new RuntimeException(sprintf('Not enough arguments (missing: "%s").', implode(', ', $missingArguments)));
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function isInteractive()
+    {
+        return $this->interactive;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setInteractive($interactive)
+    {
+        $this->interactive = (bool) $interactive;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getArguments()
+    {
+        return array_merge($this->definition->getArgumentDefaults(), $this->arguments);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getArgument($name)
+    {
+        if (!$this->definition->hasArgument($name)) {
+            throw new InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
+        }
+
+        return isset($this->arguments[$name]) ? $this->arguments[$name] : $this->definition->getArgument($name)->getDefault();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setArgument($name, $value)
+    {
+        if (!$this->definition->hasArgument($name)) {
+            throw new InvalidArgumentException(sprintf('The "%s" argument does not exist.', $name));
+        }
+
+        $this->arguments[$name] = $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasArgument($name)
+    {
+        return $this->definition->hasArgument($name);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getOptions()
+    {
+        return array_merge($this->definition->getOptionDefaults(), $this->options);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getOption($name)
+    {
+        if (!$this->definition->hasOption($name)) {
+            throw new InvalidArgumentException(sprintf('The "%s" option does not exist.', $name));
+        }
+
+        return array_key_exists($name, $this->options) ? $this->options[$name] : $this->definition->getOption($name)->getDefault();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setOption($name, $value)
+    {
+        if (!$this->definition->hasOption($name)) {
+            throw new InvalidArgumentException(sprintf('The "%s" option does not exist.', $name));
+        }
+
+        $this->options[$name] = $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function hasOption($name)
+    {
+        return $this->definition->hasOption($name);
+    }
+
+    /**
+     * Escapes a token through escapeshellarg if it contains unsafe chars.
+     *
+     * @param string $token
+     *
+     * @return string
+     */
+    public function escapeToken($token)
+    {
+        return preg_match('{^[\w-]+$}', $token) ? $token : escapeshellarg($token);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function setStream($stream)
+    {
+        $this->stream = $stream;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getStream()
+    {
+        return $this->stream;
+    }
+}