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<?php /* * This file is part of Psy Shell. * * (c) 2012-2026 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\Clipboard\ClipboardMethod; use Psy\Clipboard\NullClipboardMethod; use Psy\Configuration; use Psy\Input\CodeArgument; use Symfony\Component\Console\Input\InputInterface; use Symfony\Component\Console\Output\OutputInterface; /** * Copy a value to the clipboard. */ class CopyCommand extends ReflectingCommand { private ?Configuration $config = null; /** * Set the configuration instance. * * @param Configuration $config */ public function setConfiguration(Configuration $config) { $this->config = $config; } /** * {@inheritdoc} */ protected function configure(): void { $this ->setName('copy') ->setDefinition([ new CodeArgument('expression', CodeArgument::OPTIONAL, 'Expression to copy.'), ]) ->setDescription('Copy a value to the clipboard.') ->setHelp( <<<'HELP' Copy a value to the clipboard. When given: - an expression, copy the exported value of the expression to the clipboard. - no arguments, copy the last evaluated result (<info>$_</info>) to the clipboard. e.g. <return>>>> copy new Foo()</return> <return>>>> copy User::all()->toArray()</return> <return>>>> copy</return> HELP ); } /** * {@inheritdoc} * * @return int 0 if everything went fine, or an exit code */ protected function execute(InputInterface $input, OutputInterface $output): int { $expression = $input->getArgument('expression'); $value = $expression === null ? $this->context->get('_') : $this->resolveCode($expression); if (\is_object($value)) { $this->setCommandScopeVariables(new \ReflectionObject($value)); } if (!$this->getClipboardMethod()->copy($this->exportValue($value, $output), $output)) { $output->writeln('<error>Unable to copy value to clipboard.</error>'); return 1; } $output->writeln('<info>Copied to clipboard.</info>'); return 0; } private function getClipboardMethod(): ClipboardMethod { return $this->config ? $this->config->getClipboard() : new NullClipboardMethod(false); } private function exportValue($value, OutputInterface $output): string { $export = ''; $warnings = []; \set_error_handler(static function (int $errno, string $errstr) use (&$warnings): bool { $warnings[$errstr] = true; return true; }); try { $export = (string) \var_export($value, true); } finally { \restore_error_handler(); } foreach (\array_keys($warnings) as $warning) { if ($warning === 'var_export does not handle circular references') { $output->writeln('<warning>Value contains circular references; copied export may be incomplete.</warning>'); break; } $output->writeln(\sprintf('<warning>%s</warning>', $warning)); break; } return $export; } }
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