+++ /dev/null
-<?php
-
-/*
- * This file is part of Psy Shell.
- *
- * (c) 2012-2017 Justin Hileman
- *
- * For the full copyright and license information, please view the LICENSE
- * file that was distributed with this source code.
- */
-
-namespace Psy\Command;
-
-use Psy\Context;
-use Psy\ContextAware;
-use Symfony\Component\Console\Input\InputArgument;
-use Symfony\Component\Console\Input\InputInterface;
-use Symfony\Component\Console\Input\InputOption;
-use Symfony\Component\Console\Output\OutputInterface;
-
-class EditCommand extends Command implements ContextAware
-{
- /**
- * @var string
- */
- private $runtimeDir = '';
-
- /**
- * @var Context
- */
- private $context;
-
- /**
- * Constructor.
- *
- * @param string $runtimeDir The directory to use for temporary files
- * @param string|null $name The name of the command; passing null means it must be set in configure()
- *
- * @throws \Symfony\Component\Console\Exception\LogicException When the command name is empty
- */
- public function __construct($runtimeDir, $name = null)
- {
- parent::__construct($name);
-
- $this->runtimeDir = $runtimeDir;
- }
-
- protected function configure()
- {
- $this
- ->setName('edit')
- ->setDefinition(array(
- new InputArgument('file', InputArgument::OPTIONAL, 'The file to open for editing. If this is not given, edits a temporary file.', null),
- new InputOption(
- 'exec',
- 'e',
- InputOption::VALUE_NONE,
- 'Execute the file content after editing. This is the default when a file name argument is not given.',
- null
- ),
- new InputOption(
- 'no-exec',
- 'E',
- InputOption::VALUE_NONE,
- 'Do not execute the file content after editing. This is the default when a file name argument is given.',
- null
- ),
- ))
- ->setDescription('Open an external editor. Afterwards, get produced code in input buffer.')
- ->setHelp('Set the EDITOR environment variable to something you\'d like to use.');
- }
-
- /**
- * @param InputInterface $input
- * @param OutputInterface $output
- *
- * @throws \InvalidArgumentException when both exec and no-exec flags are given or if a given variable is not found in the current context
- * @throws \UnexpectedValueException if file_get_contents on the edited file returns false instead of a string
- */
- protected function execute(InputInterface $input, OutputInterface $output)
- {
- if ($input->getOption('exec') &&
- $input->getOption('no-exec')) {
- throw new \InvalidArgumentException('The --exec and --no-exec flags are mutually exclusive.');
- }
-
- $filePath = $this->extractFilePath($input->getArgument('file'));
-
- $execute = $this->shouldExecuteFile(
- $input->getOption('exec'),
- $input->getOption('no-exec'),
- $filePath
- );
-
- $shouldRemoveFile = false;
-
- if ($filePath === null) {
- $filePath = tempnam($this->runtimeDir, 'psysh-edit-command');
- $shouldRemoveFile = true;
- }
-
- $editedContent = $this->editFile($filePath, $shouldRemoveFile);
-
- if ($execute) {
- $this->getApplication()->addInput($editedContent);
- }
- }
-
- /**
- * @param bool $execOption
- * @param bool $noExecOption
- * @param string|null $filePath
- *
- * @return bool
- */
- private function shouldExecuteFile($execOption, $noExecOption, $filePath)
- {
- if ($execOption) {
- return true;
- }
-
- if ($noExecOption) {
- return false;
- }
-
- // By default, code that is edited is executed if there was no given input file path
- return $filePath === null;
- }
-
- /**
- * @param string|null $fileArgument
- *
- * @return string|null The file path to edit, null if the input was null, or the value of the referenced variable
- *
- * @throws \InvalidArgumentException If the variable is not found in the current context
- */
- private function extractFilePath($fileArgument)
- {
- // If the file argument was a variable, get it from the context
- if ($fileArgument !== null &&
- strlen($fileArgument) > 0 &&
- $fileArgument[0] === '$') {
- $fileArgument = $this->context->get(preg_replace('/^\$/', '', $fileArgument));
- }
-
- return $fileArgument;
- }
-
- /**
- * @param string $filePath
- * @param string $shouldRemoveFile
- *
- * @return string
- *
- * @throws \UnexpectedValueException if file_get_contents on $filePath returns false instead of a string
- */
- private function editFile($filePath, $shouldRemoveFile)
- {
- $escapedFilePath = escapeshellarg($filePath);
-
- $pipes = array();
- $proc = proc_open((getenv('EDITOR') ?: 'nano') . " {$escapedFilePath}", array(STDIN, STDOUT, STDERR), $pipes);
- proc_close($proc);
-
- $editedContent = @file_get_contents($filePath);
-
- if ($shouldRemoveFile) {
- @unlink($filePath);
- }
-
- if ($editedContent === false) {
- throw new \UnexpectedValueException("Reading {$filePath} returned false");
- }
-
- return $editedContent;
- }
-
- /**
- * Set the Context reference.
- *
- * @param Context $context
- */
- public function setContext(Context $context)
- {
- $this->context = $context;
- }
-}
projects / yaffs-website / blobdiff