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    <h3>Editing: TextDescriptor.php</h3>
    <textarea name="content" rows="20" cols="80">&lt;?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier &lt;fabien@symfony.com&gt;
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Console\Descriptor;

use Symfony\Component\Console\Application;
use Symfony\Component\Console\Command\Command;
use Symfony\Component\Console\Formatter\OutputFormatter;
use Symfony\Component\Console\Helper\Helper;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputDefinition;
use Symfony\Component\Console\Input\InputOption;

/**
 * Text descriptor.
 *
 * @author Jean-François Simon &lt;contact@jfsimon.fr&gt;
 *
 * @internal
 */
class TextDescriptor extends Descriptor
{
    /**
     * {@inheritdoc}
     */
    protected function describeInputArgument(InputArgument $argument, array $options = [])
    {
        if (null !== $argument-&gt;getDefault() &amp;&amp; (!\is_array($argument-&gt;getDefault()) || \count($argument-&gt;getDefault()))) {
            $default = sprintf('&lt;comment&gt; [default: %s]&lt;/comment&gt;', $this-&gt;formatDefaultValue($argument-&gt;getDefault()));
        } else {
            $default = '';
        }

        $totalWidth = $options['total_width'] ?? Helper::width($argument-&gt;getName());
        $spacingWidth = $totalWidth - \strlen($argument-&gt;getName());

        $this-&gt;writeText(sprintf('  &lt;info&gt;%s&lt;/info&gt;  %s%s%s',
            $argument-&gt;getName(),
            str_repeat(' ', $spacingWidth),
            // + 4 = 2 spaces before &lt;info&gt;, 2 spaces after &lt;/info&gt;
            preg_replace('/\s*[\r\n]\s*/', &quot;\n&quot;.str_repeat(' ', $totalWidth + 4), $argument-&gt;getDescription()),
            $default
        ), $options);
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputOption(InputOption $option, array $options = [])
    {
        if ($option-&gt;acceptValue() &amp;&amp; null !== $option-&gt;getDefault() &amp;&amp; (!\is_array($option-&gt;getDefault()) || \count($option-&gt;getDefault()))) {
            $default = sprintf('&lt;comment&gt; [default: %s]&lt;/comment&gt;', $this-&gt;formatDefaultValue($option-&gt;getDefault()));
        } else {
            $default = '';
        }

        $value = '';
        if ($option-&gt;acceptValue()) {
            $value = '='.strtoupper($option-&gt;getName());

            if ($option-&gt;isValueOptional()) {
                $value = '['.$value.']';
            }
        }

        $totalWidth = $options['total_width'] ?? $this-&gt;calculateTotalWidthForOptions([$option]);
        $synopsis = sprintf('%s%s',
            $option-&gt;getShortcut() ? sprintf('-%s, ', $option-&gt;getShortcut()) : '    ',
            sprintf($option-&gt;isNegatable() ? '--%1$s|--no-%1$s' : '--%1$s%2$s', $option-&gt;getName(), $value)
        );

        $spacingWidth = $totalWidth - Helper::width($synopsis);

        $this-&gt;writeText(sprintf('  &lt;info&gt;%s&lt;/info&gt;  %s%s%s%s',
            $synopsis,
            str_repeat(' ', $spacingWidth),
            // + 4 = 2 spaces before &lt;info&gt;, 2 spaces after &lt;/info&gt;
            preg_replace('/\s*[\r\n]\s*/', &quot;\n&quot;.str_repeat(' ', $totalWidth + 4), $option-&gt;getDescription()),
            $default,
            $option-&gt;isArray() ? '&lt;comment&gt; (multiple values allowed)&lt;/comment&gt;' : ''
        ), $options);
    }

    /**
     * {@inheritdoc}
     */
    protected function describeInputDefinition(InputDefinition $definition, array $options = [])
    {
        $totalWidth = $this-&gt;calculateTotalWidthForOptions($definition-&gt;getOptions());
        foreach ($definition-&gt;getArguments() as $argument) {
            $totalWidth = max($totalWidth, Helper::width($argument-&gt;getName()));
        }

        if ($definition-&gt;getArguments()) {
            $this-&gt;writeText('&lt;comment&gt;Arguments:&lt;/comment&gt;', $options);
            $this-&gt;writeText(&quot;\n&quot;);
            foreach ($definition-&gt;getArguments() as $argument) {
                $this-&gt;describeInputArgument($argument, array_merge($options, ['total_width' =&gt; $totalWidth]));
                $this-&gt;writeText(&quot;\n&quot;);
            }
        }

        if ($definition-&gt;getArguments() &amp;&amp; $definition-&gt;getOptions()) {
            $this-&gt;writeText(&quot;\n&quot;);
        }

        if ($definition-&gt;getOptions()) {
            $laterOptions = [];

            $this-&gt;writeText('&lt;comment&gt;Options:&lt;/comment&gt;', $options);
            foreach ($definition-&gt;getOptions() as $option) {
                if (\strlen($option-&gt;getShortcut() ?? '') &gt; 1) {
                    $laterOptions[] = $option;
                    continue;
                }
                $this-&gt;writeText(&quot;\n&quot;);
                $this-&gt;describeInputOption($option, array_merge($options, ['total_width' =&gt; $totalWidth]));
            }
            foreach ($laterOptions as $option) {
                $this-&gt;writeText(&quot;\n&quot;);
                $this-&gt;describeInputOption($option, array_merge($options, ['total_width' =&gt; $totalWidth]));
            }
        }
    }

    /**
     * {@inheritdoc}
     */
    protected function describeCommand(Command $command, array $options = [])
    {
        $command-&gt;mergeApplicationDefinition(false);

        if ($description = $command-&gt;getDescription()) {
            $this-&gt;writeText('&lt;comment&gt;Description:&lt;/comment&gt;', $options);
            $this-&gt;writeText(&quot;\n&quot;);
            $this-&gt;writeText('  '.$description);
            $this-&gt;writeText(&quot;\n\n&quot;);
        }

        $this-&gt;writeText('&lt;comment&gt;Usage:&lt;/comment&gt;', $options);
        foreach (array_merge([$command-&gt;getSynopsis(true)], $command-&gt;getAliases(), $command-&gt;getUsages()) as $usage) {
            $this-&gt;writeText(&quot;\n&quot;);
            $this-&gt;writeText('  '.OutputFormatter::escape($usage), $options);
        }
        $this-&gt;writeText(&quot;\n&quot;);

        $definition = $command-&gt;getDefinition();
        if ($definition-&gt;getOptions() || $definition-&gt;getArguments()) {
            $this-&gt;writeText(&quot;\n&quot;);
            $this-&gt;describeInputDefinition($definition, $options);
            $this-&gt;writeText(&quot;\n&quot;);
        }

        $help = $command-&gt;getProcessedHelp();
        if ($help &amp;&amp; $help !== $description) {
            $this-&gt;writeText(&quot;\n&quot;);
            $this-&gt;writeText('&lt;comment&gt;Help:&lt;/comment&gt;', $options);
            $this-&gt;writeText(&quot;\n&quot;);
            $this-&gt;writeText('  '.str_replace(&quot;\n&quot;, &quot;\n  &quot;, $help), $options);
            $this-&gt;writeText(&quot;\n&quot;);
        }
    }

    /**
     * {@inheritdoc}
     */
    protected function describeApplication(Application $application, array $options = [])
    {
        $describedNamespace = $options['namespace'] ?? null;
        $description = new ApplicationDescription($application, $describedNamespace);

        if (isset($options['raw_text']) &amp;&amp; $options['raw_text']) {
            $width = $this-&gt;getColumnWidth($description-&gt;getCommands());

            foreach ($description-&gt;getCommands() as $command) {
                $this-&gt;writeText(sprintf(&quot;%-{$width}s %s&quot;, $command-&gt;getName(), $command-&gt;getDescription()), $options);
                $this-&gt;writeText(&quot;\n&quot;);
            }
        } else {
            if ('' != $help = $application-&gt;getHelp()) {
                $this-&gt;writeText(&quot;$help\n\n&quot;, $options);
            }

            $this-&gt;writeText(&quot;&lt;comment&gt;Usage:&lt;/comment&gt;\n&quot;, $options);
            $this-&gt;writeText(&quot;  command [options] [arguments]\n\n&quot;, $options);

            $this-&gt;describeInputDefinition(new InputDefinition($application-&gt;getDefinition()-&gt;getOptions()), $options);

            $this-&gt;writeText(&quot;\n&quot;);
            $this-&gt;writeText(&quot;\n&quot;);

            $commands = $description-&gt;getCommands();
            $namespaces = $description-&gt;getNamespaces();
            if ($describedNamespace &amp;&amp; $namespaces) {
                // make sure all alias commands are included when describing a specific namespace
                $describedNamespaceInfo = reset($namespaces);
                foreach ($describedNamespaceInfo['commands'] as $name) {
                    $commands[$name] = $description-&gt;getCommand($name);
                }
            }

            // calculate max. width based on available commands per namespace
            $width = $this-&gt;getColumnWidth(array_merge(...array_values(array_map(function ($namespace) use ($commands) {
                return array_intersect($namespace['commands'], array_keys($commands));
            }, array_values($namespaces)))));

            if ($describedNamespace) {
                $this-&gt;writeText(sprintf('&lt;comment&gt;Available commands for the &quot;%s&quot; namespace:&lt;/comment&gt;', $describedNamespace), $options);
            } else {
                $this-&gt;writeText('&lt;comment&gt;Available commands:&lt;/comment&gt;', $options);
            }

            foreach ($namespaces as $namespace) {
                $namespace['commands'] = array_filter($namespace['commands'], function ($name) use ($commands) {
                    return isset($commands[$name]);
                });

                if (!$namespace['commands']) {
                    continue;
                }

                if (!$describedNamespace &amp;&amp; ApplicationDescription::GLOBAL_NAMESPACE !== $namespace['id']) {
                    $this-&gt;writeText(&quot;\n&quot;);
                    $this-&gt;writeText(' &lt;comment&gt;'.$namespace['id'].'&lt;/comment&gt;', $options);
                }

                foreach ($namespace['commands'] as $name) {
                    $this-&gt;writeText(&quot;\n&quot;);
                    $spacingWidth = $width - Helper::width($name);
                    $command = $commands[$name];
                    $commandAliases = $name === $command-&gt;getName() ? $this-&gt;getCommandAliasesText($command) : '';
                    $this-&gt;writeText(sprintf('  &lt;info&gt;%s&lt;/info&gt;%s%s', $name, str_repeat(' ', $spacingWidth), $commandAliases.$command-&gt;getDescription()), $options);
                }
            }

            $this-&gt;writeText(&quot;\n&quot;);
        }
    }

    /**
     * {@inheritdoc}
     */
    private function writeText(string $content, array $options = [])
    {
        $this-&gt;write(
            isset($options['raw_text']) &amp;&amp; $options['raw_text'] ? strip_tags($content) : $content,
            isset($options['raw_output']) ? !$options['raw_output'] : true
        );
    }

    /**
     * Formats command aliases to show them in the command description.
     */
    private function getCommandAliasesText(Command $command): string
    {
        $text = '';
        $aliases = $command-&gt;getAliases();

        if ($aliases) {
            $text = '['.implode('|', $aliases).'] ';
        }

        return $text;
    }

    /**
     * Formats input option/argument default value.
     *
     * @param mixed $default
     */
    private function formatDefaultValue($default): string
    {
        if (\INF === $default) {
            return 'INF';
        }

        if (\is_string($default)) {
            $default = OutputFormatter::escape($default);
        } elseif (\is_array($default)) {
            foreach ($default as $key =&gt; $value) {
                if (\is_string($value)) {
                    $default[$key] = OutputFormatter::escape($value);
                }
            }
        }

        return str_replace('\\\\', '\\', json_encode($default, \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE));
    }

    /**
     * @param array&lt;Command|string&gt; $commands
     */
    private function getColumnWidth(array $commands): int
    {
        $widths = [];

        foreach ($commands as $command) {
            if ($command instanceof Command) {
                $widths[] = Helper::width($command-&gt;getName());
                foreach ($command-&gt;getAliases() as $alias) {
                    $widths[] = Helper::width($alias);
                }
            } else {
                $widths[] = Helper::width($command);
            }
        }

        return $widths ? max($widths) + 2 : 0;
    }

    /**
     * @param InputOption[] $options
     */
    private function calculateTotalWidthForOptions(array $options): int
    {
        $totalWidth = 0;
        foreach ($options as $option) {
            // &quot;-&quot; + shortcut + &quot;, --&quot; + name
            $nameLength = 1 + max(Helper::width($option-&gt;getShortcut()), 1) + 4 + Helper::width($option-&gt;getName());
            if ($option-&gt;isNegatable()) {
                $nameLength += 6 + Helper::width($option-&gt;getName()); // |--no- + name
            } elseif ($option-&gt;acceptValue()) {
                $valueLength = 1 + Helper::width($option-&gt;getName()); // = + value
                $valueLength += $option-&gt;isValueOptional() ? 2 : 0; // [ + ]

                $nameLength += $valueLength;
            }
            $totalWidth = max($totalWidth, $nameLength);
        }

        return $totalWidth;
    }
}
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