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<?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\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 <contact@jfsimon.fr>
*
* @internal
*/
class TextDescriptor extends Descriptor
{
protected function describeInputArgument(InputArgument $argument, array
$options = []): void
{
if (null !== $argument->getDefault() &&
(!\is_array($argument->getDefault()) ||
\count($argument->getDefault()))) {
$default = sprintf('<comment> [default:
%s]</comment>',
$this->formatDefaultValue($argument->getDefault()));
} else {
$default = '';
}
$totalWidth = $options['total_width'] ??
Helper::width($argument->getName());
$spacingWidth = $totalWidth - \strlen($argument->getName());
$this->writeText(sprintf(' <info>%s</info>
%s%s%s',
$argument->getName(),
str_repeat(' ', $spacingWidth),
// + 4 = 2 spaces before <info>, 2 spaces after
</info>
preg_replace('/\s*[\r\n]\s*/',
"\n".str_repeat(' ', $totalWidth + 4),
$argument->getDescription()),
$default
), $options);
}
protected function describeInputOption(InputOption $option, array
$options = []): void
{
if ($option->acceptValue() && null !==
$option->getDefault() && (!\is_array($option->getDefault())
|| \count($option->getDefault()))) {
$default = sprintf('<comment> [default:
%s]</comment>',
$this->formatDefaultValue($option->getDefault()));
} else {
$default = '';
}
$value = '';
if ($option->acceptValue()) {
$value = '='.strtoupper($option->getName());
if ($option->isValueOptional()) {
$value = '['.$value.']';
}
}
$totalWidth = $options['total_width'] ??
$this->calculateTotalWidthForOptions([$option]);
$synopsis = sprintf('%s%s',
$option->getShortcut() ? sprintf('-%s, ',
$option->getShortcut()) : ' ',
sprintf($option->isNegatable() ?
'--%1$s|--no-%1$s' : '--%1$s%2$s',
$option->getName(), $value)
);
$spacingWidth = $totalWidth - Helper::width($synopsis);
$this->writeText(sprintf(' <info>%s</info>
%s%s%s%s',
$synopsis,
str_repeat(' ', $spacingWidth),
// + 4 = 2 spaces before <info>, 2 spaces after
</info>
preg_replace('/\s*[\r\n]\s*/',
"\n".str_repeat(' ', $totalWidth + 4),
$option->getDescription()),
$default,
$option->isArray() ? '<comment> (multiple values
allowed)</comment>' : ''
), $options);
}
protected function describeInputDefinition(InputDefinition $definition,
array $options = []): void
{
$totalWidth =
$this->calculateTotalWidthForOptions($definition->getOptions());
foreach ($definition->getArguments() as $argument) {
$totalWidth = max($totalWidth,
Helper::width($argument->getName()));
}
if ($definition->getArguments()) {
$this->writeText('<comment>Arguments:</comment>',
$options);
$this->writeText("\n");
foreach ($definition->getArguments() as $argument) {
$this->describeInputArgument($argument,
array_merge($options, ['total_width' => $totalWidth]));
$this->writeText("\n");
}
}
if ($definition->getArguments() &&
$definition->getOptions()) {
$this->writeText("\n");
}
if ($definition->getOptions()) {
$laterOptions = [];
$this->writeText('<comment>Options:</comment>',
$options);
foreach ($definition->getOptions() as $option) {
if (\strlen($option->getShortcut() ?? '') >
1) {
$laterOptions[] = $option;
continue;
}
$this->writeText("\n");
$this->describeInputOption($option,
array_merge($options, ['total_width' => $totalWidth]));
}
foreach ($laterOptions as $option) {
$this->writeText("\n");
$this->describeInputOption($option,
array_merge($options, ['total_width' => $totalWidth]));
}
}
}
protected function describeCommand(Command $command, array $options =
[]): void
{
$command->mergeApplicationDefinition(false);
if ($description = $command->getDescription()) {
$this->writeText('<comment>Description:</comment>',
$options);
$this->writeText("\n");
$this->writeText(' '.$description);
$this->writeText("\n\n");
}
$this->writeText('<comment>Usage:</comment>',
$options);
foreach (array_merge([$command->getSynopsis(true)],
$command->getAliases(), $command->getUsages()) as $usage) {
$this->writeText("\n");
$this->writeText('
'.OutputFormatter::escape($usage), $options);
}
$this->writeText("\n");
$definition = $command->getDefinition();
if ($definition->getOptions() || $definition->getArguments())
{
$this->writeText("\n");
$this->describeInputDefinition($definition, $options);
$this->writeText("\n");
}
$help = $command->getProcessedHelp();
if ($help && $help !== $description) {
$this->writeText("\n");
$this->writeText('<comment>Help:</comment>',
$options);
$this->writeText("\n");
$this->writeText(' '.str_replace("\n",
"\n ", $help), $options);
$this->writeText("\n");
}
}
protected function describeApplication(Application $application, array
$options = []): void
{
$describedNamespace = $options['namespace'] ?? null;
$description = new ApplicationDescription($application,
$describedNamespace);
if (isset($options['raw_text']) &&
$options['raw_text']) {
$width =
$this->getColumnWidth($description->getCommands());
foreach ($description->getCommands() as $command) {
$this->writeText(sprintf("%-{$width}s %s",
$command->getName(), $command->getDescription()), $options);
$this->writeText("\n");
}
} else {
if ('' != $help = $application->getHelp()) {
$this->writeText("$help\n\n", $options);
}
$this->writeText("<comment>Usage:</comment>\n",
$options);
$this->writeText(" command [options]
[arguments]\n\n", $options);
$this->describeInputDefinition(new
InputDefinition($application->getDefinition()->getOptions()),
$options);
$this->writeText("\n");
$this->writeText("\n");
$commands = $description->getCommands();
$namespaces = $description->getNamespaces();
if ($describedNamespace && $namespaces) {
// make sure all alias commands are included when
describing a specific namespace
$describedNamespaceInfo = reset($namespaces);
foreach ($describedNamespaceInfo['commands'] as
$name) {
$commands[$name] = $description->getCommand($name);
}
}
// calculate max. width based on available commands per
namespace
$width =
$this->getColumnWidth(array_merge(...array_values(array_map(fn
($namespace) => array_intersect($namespace['commands'],
array_keys($commands)), array_values($namespaces)))));
if ($describedNamespace) {
$this->writeText(sprintf('<comment>Available
commands for the "%s" namespace:</comment>',
$describedNamespace), $options);
} else {
$this->writeText('<comment>Available
commands:</comment>', $options);
}
foreach ($namespaces as $namespace) {
$namespace['commands'] =
array_filter($namespace['commands'], fn ($name) =>
isset($commands[$name]));
if (!$namespace['commands']) {
continue;
}
if (!$describedNamespace &&
ApplicationDescription::GLOBAL_NAMESPACE !== $namespace['id']) {
$this->writeText("\n");
$this->writeText('
<comment>'.$namespace['id'].'</comment>',
$options);
}
foreach ($namespace['commands'] as $name) {
$this->writeText("\n");
$spacingWidth = $width - Helper::width($name);
$command = $commands[$name];
$commandAliases = $name === $command->getName() ?
$this->getCommandAliasesText($command) : '';
$this->writeText(sprintf('
<info>%s</info>%s%s', $name, str_repeat(' ',
$spacingWidth), $commandAliases.$command->getDescription()), $options);
}
}
$this->writeText("\n");
}
}
private function writeText(string $content, array $options = []): void
{
$this->write(
isset($options['raw_text']) &&
$options['raw_text'] ? strip_tags($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 = $command->getAliases();
if ($aliases) {
$text = '['.implode('|', $aliases).']
';
}
return $text;
}
/**
* Formats input option/argument default value.
*/
private function formatDefaultValue(mixed $default): string
{
if (\INF === $default) {
return 'INF';
}
if (\is_string($default)) {
$default = OutputFormatter::escape($default);
} elseif (\is_array($default)) {
foreach ($default as $key => $value) {
if (\is_string($value)) {
$default[$key] = OutputFormatter::escape($value);
}
}
}
return str_replace('\\\\', '\\',
json_encode($default, \JSON_UNESCAPED_SLASHES | \JSON_UNESCAPED_UNICODE));
}
/**
* @param array<Command|string> $commands
*/
private function getColumnWidth(array $commands): int
{
$widths = [];
foreach ($commands as $command) {
if ($command instanceof Command) {
$widths[] = Helper::width($command->getName());
foreach ($command->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) {
// "-" + shortcut + ", --" + name
$nameLength = 1 + max(Helper::width($option->getShortcut()),
1) + 4 + Helper::width($option->getName());
if ($option->isNegatable()) {
$nameLength += 6 + Helper::width($option->getName()); //
|--no- + name
} elseif ($option->acceptValue()) {
$valueLength = 1 + Helper::width($option->getName()); //
= + value
$valueLength += $option->isValueOptional() ? 2 : 0; // [
+ ]
$nameLength += $valueLength;
}
$totalWidth = max($totalWidth, $nameLength);
}
return $totalWidth;
}
}