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File Content: `HistoryCommand.php`

<?php

/*
 * This file is part of Psy Shell.
 *
 * (c) 2012-2023 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\Input\FilterOptions;
use Psy\Output\ShellOutput;
use Psy\Readline\Readline;
use Symfony\Component\Console\Formatter\OutputFormatter;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

/**
 * Psy Shell history command.
 *
 * Shows, searches and replays readline history. Not too shabby.
 */
class HistoryCommand extends Command
{
    private FilterOptions $filter;
    private Readline $readline;

    /**
     * {@inheritdoc}
     */
    public function __construct($name = null)
    {
        $this->filter = new FilterOptions();

        parent::__construct($name);
    }

    /**
     * Set the Shell's Readline service.
     *
     * @param Readline $readline
     */
    public function setReadline(Readline $readline)
    {
        $this->readline = $readline;
    }

    /**
     * {@inheritdoc}
     */
    protected function configure()
    {
        list($grep, $insensitive, $invert) = FilterOptions::getOptions();

        $this
            ->setName('history')
            ->setAliases(['hist'])
            ->setDefinition([
                new InputOption('show', 's', InputOption::VALUE_REQUIRED, 'Show the given range of lines.'),
                new InputOption('head', 'H', InputOption::VALUE_REQUIRED, 'Display the first N items.'),
                new InputOption('tail', 'T', InputOption::VALUE_REQUIRED, 'Display the last N items.'),

                $grep,
                $insensitive,
                $invert,

                new InputOption('no-numbers', 'N', InputOption::VALUE_NONE, 'Omit line numbers.'),

                new InputOption('save', '', InputOption::VALUE_REQUIRED, 'Save history to a file.'),
                new InputOption('replay', '', InputOption::VALUE_NONE, 'Replay.'),
                new InputOption('clear', '', InputOption::VALUE_NONE, 'Clear the history.'),
            ])
            ->setDescription('Show the Psy Shell history.')
            ->setHelp(
                <<<'HELP'
Show, search, save or replay the Psy Shell history.

e.g.
<return>>>> history --grep /[bB]acon/</return>
<return>>>> history --show 0..10 --replay</return>
<return>>>> history --clear</return>
<return>>>> history --tail 1000 --save somefile.txt</return>
HELP
            );
    }

    /**
     * {@inheritdoc}
     *
     * @return int 0 if everything went fine, or an exit code
     */
    protected function execute(InputInterface $input, OutputInterface $output): int
    {
        $this->validateOnlyOne($input, ['show', 'head', 'tail']);
        $this->validateOnlyOne($input, ['save', 'replay', 'clear']);

        $history = $this->getHistorySlice(
            $input->getOption('show'),
            $input->getOption('head'),
            $input->getOption('tail')
        );
        $highlighted = false;

        $this->filter->bind($input);
        if ($this->filter->hasFilter()) {
            $matches = [];
            $highlighted = [];
            foreach ($history as $i => $line) {
                if ($this->filter->match($line, $matches)) {
                    if (isset($matches[0])) {
                        $chunks = \explode($matches[0], $history[$i]);
                        $chunks = \array_map([__CLASS__, 'escape'], $chunks);
                        $glue = \sprintf('<urgent>%s</urgent>', self::escape($matches[0]));

                        $highlighted[$i] = \implode($glue, $chunks);
                    }
                } else {
                    unset($history[$i]);
                }
            }
        }

        if ($save = $input->getOption('save')) {
            $output->writeln(\sprintf('Saving history in %s...', $save));
            \file_put_contents($save, \implode(\PHP_EOL, $history).\PHP_EOL);
            $output->writeln('<info>History saved.</info>');
        } elseif ($input->getOption('replay')) {
            if (!($input->getOption('show') || $input->getOption('head') || $input->getOption('tail'))) {
                throw new \InvalidArgumentException('You must limit history via --head, --tail or --show before replaying');
            }

            $count = \count($history);
            $output->writeln(\sprintf('Replaying %d line%s of history', $count, ($count !== 1) ? 's' : ''));

            $this->getShell()->addInput($history);
        } elseif ($input->getOption('clear')) {
            $this->clearHistory();
            $output->writeln('<info>History cleared.</info>');
        } else {
            $type = $input->getOption('no-numbers') ? 0 : ShellOutput::NUMBER_LINES;
            if (!$highlighted) {
                $type = $type | OutputInterface::OUTPUT_RAW;
            }

            $output->page($highlighted ?: $history, $type);
        }

        return 0;
    }

    /**
     * Extract a range from a string.
     *
     * @param string $range
     *
     * @return int[] [ start, end ]
     */
    private function extractRange(string $range): array
    {
        if (\preg_match('/^\d+$/', $range)) {
            return [(int) $range, (int) $range + 1];
        }

        $matches = [];
        if ($range !== '..' && \preg_match('/^(\d*)\.\.(\d*)$/', $range, $matches)) {
            $start = $matches[1] ? (int) $matches[1] : 0;
            $end = $matches[2] ? (int) $matches[2] + 1 : \PHP_INT_MAX;

            return [$start, $end];
        }

        throw new \InvalidArgumentException('Unexpected range: '.$range);
    }

    /**
     * Retrieve a slice of the readline history.
     *
     * @param string|null $show
     * @param string|null $head
     * @param string|null $tail
     *
     * @return array A slice of history
     */
    private function getHistorySlice($show, $head, $tail): array
    {
        $history = $this->readline->listHistory();

        // don't show the current `history` invocation
        \array_pop($history);

        if ($show) {
            list($start, $end) = $this->extractRange($show);
            $length = $end - $start;
        } elseif ($head) {
            if (!\preg_match('/^\d+$/', $head)) {
                throw new \InvalidArgumentException('Please specify an integer argument for --head');
            }

            $start = 0;
            $length = (int) $head;
        } elseif ($tail) {
            if (!\preg_match('/^\d+$/', $tail)) {
                throw new \InvalidArgumentException('Please specify an integer argument for --tail');
            }

            $start = \count($history) - (int) $tail;
            $length = (int) $tail + 1;
        } else {
            return $history;
        }

        return \array_slice($history, $start, $length, true);
    }

    /**
     * Validate that only one of the given $options is set.
     *
     * @param InputInterface $input
     * @param array          $options
     */
    private function validateOnlyOne(InputInterface $input, array $options)
    {
        $count = 0;
        foreach ($options as $opt) {
            if ($input->getOption($opt)) {
                $count++;
            }
        }

        if ($count > 1) {
            throw new \InvalidArgumentException('Please specify only one of --'.\implode(', --', $options));
        }
    }

    /**
     * Clear the readline history.
     */
    private function clearHistory()
    {
        $this->readline->clearHistory();
    }

    public static function escape(string $string): string
    {
        return OutputFormatter::escape($string);
    }
}

Name	Size	Permission
ListCommand	---	0755
TimeitCommand	---	0755
BufferCommand.php	2309 bytes	0755
ClearCommand.php	1133 bytes	0755
CodeArgumentParser.php	1514 bytes	0755
Command.php	7716 bytes	0755
DocCommand.php	9147 bytes	0755
DumpCommand.php	2495 bytes	0755
EditCommand.php	5879 bytes	0755
ExitCommand.php	1158 bytes	0755
HelpCommand.php	2863 bytes	0755
HistoryCommand.php	7730 bytes	0755
ListCommand.php	9888 bytes	0755
ParseCommand.php	3176 bytes	0755
PsyVersionCommand.php	958 bytes	0755
ReflectingCommand.php	10798 bytes	0755
ShowCommand.php	9731 bytes	0755
SudoCommand.php	3259 bytes	0755
ThrowUpCommand.php	3484 bytes	0755
TimeitCommand.php	4932 bytes	0755
TraceCommand.php	2702 bytes	0755
WhereamiCommand.php	4282 bytes	0755
WtfCommand.php	3736 bytes	0755

Command Bosku:

File Content: HistoryCommand.php

File Content: `HistoryCommand.php`