--- /dev/null
+<?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
+{
+ /**
+ * {@inheritdoc}
+ */
+ protected function describeInputArgument(InputArgument $argument, array $options = array())
+ {
+ if (null !== $argument->getDefault() && (!is_array($argument->getDefault()) || count($argument->getDefault()))) {
+ $default = sprintf('<comment> [default: %s]</comment>', $this->formatDefaultValue($argument->getDefault()));
+ } else {
+ $default = '';
+ }
+
+ $totalWidth = isset($options['total_width']) ? $options['total_width'] : Helper::strlen($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);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function describeInputOption(InputOption $option, array $options = array())
+ {
+ if ($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.']';
+ }
+ }
+
+ $totalWidth = isset($options['total_width']) ? $options['total_width'] : $this->calculateTotalWidthForOptions(array($option));
+ $synopsis = sprintf('%s%s',
+ $option->getShortcut() ? sprintf('-%s, ', $option->getShortcut()) : ' ',
+ sprintf('--%s%s', $option->getName(), $value)
+ );
+
+ $spacingWidth = $totalWidth - Helper::strlen($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);
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function describeInputDefinition(InputDefinition $definition, array $options = array())
+ {
+ $totalWidth = $this->calculateTotalWidthForOptions($definition->getOptions());
+ foreach ($definition->getArguments() as $argument) {
+ $totalWidth = max($totalWidth, Helper::strlen($argument->getName()));
+ }
+
+ if ($definition->getArguments()) {
+ $this->writeText('<comment>Arguments:</comment>', $options);
+ $this->writeText("\n");
+ foreach ($definition->getArguments() as $argument) {
+ $this->describeInputArgument($argument, array_merge($options, array('total_width' => $totalWidth)));
+ $this->writeText("\n");
+ }
+ }
+
+ if ($definition->getArguments() && $definition->getOptions()) {
+ $this->writeText("\n");
+ }
+
+ if ($definition->getOptions()) {
+ $laterOptions = array();
+
+ $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, array('total_width' => $totalWidth)));
+ }
+ foreach ($laterOptions as $option) {
+ $this->writeText("\n");
+ $this->describeInputOption($option, array_merge($options, array('total_width' => $totalWidth)));
+ }
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function describeCommand(Command $command, array $options = array())
+ {
+ $command->getSynopsis(true);
+ $command->getSynopsis(false);
+ $command->mergeApplicationDefinition(false);
+
+ $this->writeText('<comment>Usage:</comment>', $options);
+ foreach (array_merge(array($command->getSynopsis(true)), $command->getAliases(), $command->getUsages()) as $usage) {
+ $this->writeText("\n");
+ $this->writeText(' '.$usage, $options);
+ }
+ $this->writeText("\n");
+
+ $definition = $command->getNativeDefinition();
+ if ($definition->getOptions() || $definition->getArguments()) {
+ $this->writeText("\n");
+ $this->describeInputDefinition($definition, $options);
+ $this->writeText("\n");
+ }
+
+ if ($help = $command->getProcessedHelp()) {
+ $this->writeText("\n");
+ $this->writeText('<comment>Help:</comment>', $options);
+ $this->writeText("\n");
+ $this->writeText(' '.str_replace("\n", "\n ", $help), $options);
+ $this->writeText("\n");
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ protected function describeApplication(Application $application, array $options = array())
+ {
+ $describedNamespace = isset($options['namespace']) ? $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");
+
+ $width = $this->getColumnWidth($description->getCommands());
+
+ if ($describedNamespace) {
+ $this->writeText(sprintf('<comment>Available commands for the "%s" namespace:</comment>', $describedNamespace), $options);
+ } else {
+ $this->writeText('<comment>Available commands:</comment>', $options);
+ }
+
+ // add commands by namespace
+ foreach ($description->getNamespaces() as $namespace) {
+ if (!$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 = $width - Helper::strlen($name);
+ $this->writeText(sprintf(' <info>%s</info>%s%s', $name, str_repeat(' ', $spacingWidth), $description->getCommand($name)->getDescription()), $options);
+ }
+ }
+
+ $this->writeText("\n");
+ }
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ private function writeText($content, array $options = array())
+ {
+ $this->write(
+ isset($options['raw_text']) && $options['raw_text'] ? strip_tags($content) : $content,
+ isset($options['raw_output']) ? !$options['raw_output'] : true
+ );
+ }
+
+ /**
+ * Formats input option/argument default value.
+ *
+ * @param mixed $default
+ *
+ * @return string
+ */
+ private function formatDefaultValue($default)
+ {
+ 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($value);
+ }
+ }
+ }
+
+ if (PHP_VERSION_ID < 50400) {
+ return str_replace(array('\/', '\\\\'), array('/', '\\'), json_encode($default));
+ }
+
+ return str_replace('\\\\', '\\', json_encode($default, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
+ }
+
+ /**
+ * @param Command[] $commands
+ *
+ * @return int
+ */
+ private function getColumnWidth(array $commands)
+ {
+ $widths = array();
+
+ foreach ($commands as $command) {
+ $widths[] = Helper::strlen($command->getName());
+ foreach ($command->getAliases() as $alias) {
+ $widths[] = Helper::strlen($alias);
+ }
+ }
+
+ return max($widths) + 2;
+ }
+
+ /**
+ * @param InputOption[] $options
+ *
+ * @return int
+ */
+ private function calculateTotalWidthForOptions($options)
+ {
+ $totalWidth = 0;
+ foreach ($options as $option) {
+ // "-" + shortcut + ", --" + name
+ $nameLength = 1 + max(strlen($option->getShortcut()), 1) + 4 + Helper::strlen($option->getName());
+
+ if ($option->acceptValue()) {
+ $valueLength = 1 + Helper::strlen($option->getName()); // = + value
+ $valueLength += $option->isValueOptional() ? 2 : 0; // [ + ]
+
+ $nameLength += $valueLength;
+ }
+ $totalWidth = max($totalWidth, $nameLength);
+ }
+
+ return $totalWidth;
+ }
+}
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