+++ /dev/null
-<?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;
-
-use Symfony\Component\Console\Exception\RuntimeException;
-use Symfony\Component\Console\Input\StringInput;
-use Symfony\Component\Console\Output\ConsoleOutput;
-use Symfony\Component\Process\ProcessBuilder;
-use Symfony\Component\Process\PhpExecutableFinder;
-
-/**
- * A Shell wraps an Application to add shell capabilities to it.
- *
- * Support for history and completion only works with a PHP compiled
- * with readline support (either --with-readline or --with-libedit)
- *
- * @deprecated since version 2.8, to be removed in 3.0.
- *
- * @author Fabien Potencier <fabien@symfony.com>
- * @author Martin HasoĊ <martin.hason@gmail.com>
- */
-class Shell
-{
- private $application;
- private $history;
- private $output;
- private $hasReadline;
- private $processIsolation = false;
-
- /**
- * Constructor.
- *
- * If there is no readline support for the current PHP executable
- * a \RuntimeException exception is thrown.
- *
- * @param Application $application An application instance
- */
- public function __construct(Application $application)
- {
- @trigger_error('The '.__CLASS__.' class is deprecated since Symfony 2.8 and will be removed in 3.0.', E_USER_DEPRECATED);
-
- $this->hasReadline = function_exists('readline');
- $this->application = $application;
- $this->history = getenv('HOME').'/.history_'.$application->getName();
- $this->output = new ConsoleOutput();
- }
-
- /**
- * Runs the shell.
- */
- public function run()
- {
- $this->application->setAutoExit(false);
- $this->application->setCatchExceptions(true);
-
- if ($this->hasReadline) {
- readline_read_history($this->history);
- readline_completion_function(array($this, 'autocompleter'));
- }
-
- $this->output->writeln($this->getHeader());
- $php = null;
- if ($this->processIsolation) {
- $finder = new PhpExecutableFinder();
- $php = $finder->find();
- $this->output->writeln(<<<'EOF'
-<info>Running with process isolation, you should consider this:</info>
- * each command is executed as separate process,
- * commands don't support interactivity, all params must be passed explicitly,
- * commands output is not colorized.
-
-EOF
- );
- }
-
- while (true) {
- $command = $this->readline();
-
- if (false === $command) {
- $this->output->writeln("\n");
-
- break;
- }
-
- if ($this->hasReadline) {
- readline_add_history($command);
- readline_write_history($this->history);
- }
-
- if ($this->processIsolation) {
- $pb = new ProcessBuilder();
-
- $process = $pb
- ->add($php)
- ->add($_SERVER['argv'][0])
- ->add($command)
- ->inheritEnvironmentVariables(true)
- ->getProcess()
- ;
-
- $output = $this->output;
- $process->run(function ($type, $data) use ($output) {
- $output->writeln($data);
- });
-
- $ret = $process->getExitCode();
- } else {
- $ret = $this->application->run(new StringInput($command), $this->output);
- }
-
- if (0 !== $ret) {
- $this->output->writeln(sprintf('<error>The command terminated with an error status (%s)</error>', $ret));
- }
- }
- }
-
- /**
- * Returns the shell header.
- *
- * @return string The header string
- */
- protected function getHeader()
- {
- return <<<EOF
-
-Welcome to the <info>{$this->application->getName()}</info> shell (<comment>{$this->application->getVersion()}</comment>).
-
-At the prompt, type <comment>help</comment> for some help,
-or <comment>list</comment> to get a list of available commands.
-
-To exit the shell, type <comment>^D</comment>.
-
-EOF;
- }
-
- /**
- * Renders a prompt.
- *
- * @return string The prompt
- */
- protected function getPrompt()
- {
- // using the formatter here is required when using readline
- return $this->output->getFormatter()->format($this->application->getName().' > ');
- }
-
- protected function getOutput()
- {
- return $this->output;
- }
-
- protected function getApplication()
- {
- return $this->application;
- }
-
- /**
- * Tries to return autocompletion for the current entered text.
- *
- * @param string $text The last segment of the entered text
- *
- * @return bool|array A list of guessed strings or true
- */
- private function autocompleter($text)
- {
- $info = readline_info();
- $text = substr($info['line_buffer'], 0, $info['end']);
-
- if ($info['point'] !== $info['end']) {
- return true;
- }
-
- // task name?
- if (false === strpos($text, ' ') || !$text) {
- return array_keys($this->application->all());
- }
-
- // options and arguments?
- try {
- $command = $this->application->find(substr($text, 0, strpos($text, ' ')));
- } catch (\Exception $e) {
- return true;
- }
-
- $list = array('--help');
- foreach ($command->getDefinition()->getOptions() as $option) {
- $list[] = '--'.$option->getName();
- }
-
- return $list;
- }
-
- /**
- * Reads a single line from standard input.
- *
- * @return string The single line from standard input
- */
- private function readline()
- {
- if ($this->hasReadline) {
- $line = readline($this->getPrompt());
- } else {
- $this->output->write($this->getPrompt());
- $line = fgets(STDIN, 1024);
- $line = (false === $line || '' === $line) ? false : rtrim($line);
- }
-
- return $line;
- }
-
- public function getProcessIsolation()
- {
- return $this->processIsolation;
- }
-
- public function setProcessIsolation($processIsolation)
- {
- $this->processIsolation = (bool) $processIsolation;
-
- if ($this->processIsolation && !class_exists('Symfony\\Component\\Process\\Process')) {
- throw new RuntimeException('Unable to isolate processes as the Symfony Process Component is not installed.');
- }
- }
-}
projects / yaffs-website / blobdiff