Chris@0: <?php
Chris@0: 
Chris@0: /*
Chris@0:  * This file is part of the Symfony package.
Chris@0:  *
Chris@0:  * (c) Fabien Potencier <fabien@symfony.com>
Chris@0:  *
Chris@0:  * For the full copyright and license information, please view the LICENSE
Chris@0:  * file that was distributed with this source code.
Chris@0:  */
Chris@0: 
Chris@0: namespace Symfony\Component\Console\Descriptor;
Chris@0: 
Chris@0: use Symfony\Component\Console\Application;
Chris@0: use Symfony\Component\Console\Command\Command;
Chris@0: use Symfony\Component\Console\Formatter\OutputFormatter;
Chris@0: use Symfony\Component\Console\Helper\Helper;
Chris@0: use Symfony\Component\Console\Input\InputArgument;
Chris@0: use Symfony\Component\Console\Input\InputDefinition;
Chris@0: use Symfony\Component\Console\Input\InputOption;
Chris@0: 
Chris@0: /**
Chris@0:  * Text descriptor.
Chris@0:  *
Chris@0:  * @author Jean-François Simon <contact@jfsimon.fr>
Chris@0:  *
Chris@0:  * @internal
Chris@0:  */
Chris@0: class TextDescriptor extends Descriptor
Chris@0: {
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function describeInputArgument(InputArgument $argument, array $options = array())
Chris@0:     {
Chris@0:         if (null !== $argument->getDefault() && (!is_array($argument->getDefault()) || count($argument->getDefault()))) {
Chris@0:             $default = sprintf('<comment> [default: %s]</comment>', $this->formatDefaultValue($argument->getDefault()));
Chris@0:         } else {
Chris@0:             $default = '';
Chris@0:         }
Chris@0: 
Chris@0:         $totalWidth = isset($options['total_width']) ? $options['total_width'] : Helper::strlen($argument->getName());
Chris@0:         $spacingWidth = $totalWidth - strlen($argument->getName());
Chris@0: 
Chris@0:         $this->writeText(sprintf('  <info>%s</info>  %s%s%s',
Chris@0:             $argument->getName(),
Chris@0:             str_repeat(' ', $spacingWidth),
Chris@0:             // + 4 = 2 spaces before <info>, 2 spaces after </info>
Chris@0:             preg_replace('/\s*[\r\n]\s*/', "\n".str_repeat(' ', $totalWidth + 4), $argument->getDescription()),
Chris@0:             $default
Chris@0:         ), $options);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function describeInputOption(InputOption $option, array $options = array())
Chris@0:     {
Chris@0:         if ($option->acceptValue() && null !== $option->getDefault() && (!is_array($option->getDefault()) || count($option->getDefault()))) {
Chris@0:             $default = sprintf('<comment> [default: %s]</comment>', $this->formatDefaultValue($option->getDefault()));
Chris@0:         } else {
Chris@0:             $default = '';
Chris@0:         }
Chris@0: 
Chris@0:         $value = '';
Chris@0:         if ($option->acceptValue()) {
Chris@0:             $value = '='.strtoupper($option->getName());
Chris@0: 
Chris@0:             if ($option->isValueOptional()) {
Chris@0:                 $value = '['.$value.']';
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         $totalWidth = isset($options['total_width']) ? $options['total_width'] : $this->calculateTotalWidthForOptions(array($option));
Chris@0:         $synopsis = sprintf('%s%s',
Chris@0:             $option->getShortcut() ? sprintf('-%s, ', $option->getShortcut()) : '    ',
Chris@0:             sprintf('--%s%s', $option->getName(), $value)
Chris@0:         );
Chris@0: 
Chris@0:         $spacingWidth = $totalWidth - Helper::strlen($synopsis);
Chris@0: 
Chris@0:         $this->writeText(sprintf('  <info>%s</info>  %s%s%s%s',
Chris@0:             $synopsis,
Chris@0:             str_repeat(' ', $spacingWidth),
Chris@0:             // + 4 = 2 spaces before <info>, 2 spaces after </info>
Chris@0:             preg_replace('/\s*[\r\n]\s*/', "\n".str_repeat(' ', $totalWidth + 4), $option->getDescription()),
Chris@0:             $default,
Chris@0:             $option->isArray() ? '<comment> (multiple values allowed)</comment>' : ''
Chris@0:         ), $options);
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function describeInputDefinition(InputDefinition $definition, array $options = array())
Chris@0:     {
Chris@0:         $totalWidth = $this->calculateTotalWidthForOptions($definition->getOptions());
Chris@0:         foreach ($definition->getArguments() as $argument) {
Chris@0:             $totalWidth = max($totalWidth, Helper::strlen($argument->getName()));
Chris@0:         }
Chris@0: 
Chris@0:         if ($definition->getArguments()) {
Chris@0:             $this->writeText('<comment>Arguments:</comment>', $options);
Chris@0:             $this->writeText("\n");
Chris@0:             foreach ($definition->getArguments() as $argument) {
Chris@0:                 $this->describeInputArgument($argument, array_merge($options, array('total_width' => $totalWidth)));
Chris@0:                 $this->writeText("\n");
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         if ($definition->getArguments() && $definition->getOptions()) {
Chris@0:             $this->writeText("\n");
Chris@0:         }
Chris@0: 
Chris@0:         if ($definition->getOptions()) {
Chris@0:             $laterOptions = array();
Chris@0: 
Chris@0:             $this->writeText('<comment>Options:</comment>', $options);
Chris@0:             foreach ($definition->getOptions() as $option) {
Chris@0:                 if (strlen($option->getShortcut()) > 1) {
Chris@0:                     $laterOptions[] = $option;
Chris@0:                     continue;
Chris@0:                 }
Chris@0:                 $this->writeText("\n");
Chris@0:                 $this->describeInputOption($option, array_merge($options, array('total_width' => $totalWidth)));
Chris@0:             }
Chris@0:             foreach ($laterOptions as $option) {
Chris@0:                 $this->writeText("\n");
Chris@0:                 $this->describeInputOption($option, array_merge($options, array('total_width' => $totalWidth)));
Chris@0:             }
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function describeCommand(Command $command, array $options = array())
Chris@0:     {
Chris@0:         $command->getSynopsis(true);
Chris@0:         $command->getSynopsis(false);
Chris@0:         $command->mergeApplicationDefinition(false);
Chris@0: 
Chris@0:         $this->writeText('<comment>Usage:</comment>', $options);
Chris@0:         foreach (array_merge(array($command->getSynopsis(true)), $command->getAliases(), $command->getUsages()) as $usage) {
Chris@0:             $this->writeText("\n");
Chris@0:             $this->writeText('  '.$usage, $options);
Chris@0:         }
Chris@0:         $this->writeText("\n");
Chris@0: 
Chris@0:         $definition = $command->getNativeDefinition();
Chris@0:         if ($definition->getOptions() || $definition->getArguments()) {
Chris@0:             $this->writeText("\n");
Chris@0:             $this->describeInputDefinition($definition, $options);
Chris@0:             $this->writeText("\n");
Chris@0:         }
Chris@0: 
Chris@0:         if ($help = $command->getProcessedHelp()) {
Chris@0:             $this->writeText("\n");
Chris@0:             $this->writeText('<comment>Help:</comment>', $options);
Chris@0:             $this->writeText("\n");
Chris@0:             $this->writeText('  '.str_replace("\n", "\n  ", $help), $options);
Chris@0:             $this->writeText("\n");
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     protected function describeApplication(Application $application, array $options = array())
Chris@0:     {
Chris@0:         $describedNamespace = isset($options['namespace']) ? $options['namespace'] : null;
Chris@0:         $description = new ApplicationDescription($application, $describedNamespace);
Chris@0: 
Chris@0:         if (isset($options['raw_text']) && $options['raw_text']) {
Chris@0:             $width = $this->getColumnWidth($description->getCommands());
Chris@0: 
Chris@0:             foreach ($description->getCommands() as $command) {
Chris@0:                 $this->writeText(sprintf("%-{$width}s %s", $command->getName(), $command->getDescription()), $options);
Chris@0:                 $this->writeText("\n");
Chris@0:             }
Chris@0:         } else {
Chris@0:             if ('' != $help = $application->getHelp()) {
Chris@0:                 $this->writeText("$help\n\n", $options);
Chris@0:             }
Chris@0: 
Chris@0:             $this->writeText("<comment>Usage:</comment>\n", $options);
Chris@0:             $this->writeText("  command [options] [arguments]\n\n", $options);
Chris@0: 
Chris@0:             $this->describeInputDefinition(new InputDefinition($application->getDefinition()->getOptions()), $options);
Chris@0: 
Chris@0:             $this->writeText("\n");
Chris@0:             $this->writeText("\n");
Chris@0: 
Chris@0:             $width = $this->getColumnWidth($description->getCommands());
Chris@0: 
Chris@0:             if ($describedNamespace) {
Chris@0:                 $this->writeText(sprintf('<comment>Available commands for the "%s" namespace:</comment>', $describedNamespace), $options);
Chris@0:             } else {
Chris@0:                 $this->writeText('<comment>Available commands:</comment>', $options);
Chris@0:             }
Chris@0: 
Chris@0:             // add commands by namespace
Chris@0:             $commands = $description->getCommands();
Chris@0: 
Chris@0:             foreach ($description->getNamespaces() as $namespace) {
Chris@0:                 if (!$describedNamespace && ApplicationDescription::GLOBAL_NAMESPACE !== $namespace['id']) {
Chris@0:                     $this->writeText("\n");
Chris@0:                     $this->writeText(' <comment>'.$namespace['id'].'</comment>', $options);
Chris@0:                 }
Chris@0: 
Chris@0:                 foreach ($namespace['commands'] as $name) {
Chris@0:                     if (isset($commands[$name])) {
Chris@0:                         $this->writeText("\n");
Chris@0:                         $spacingWidth = $width - Helper::strlen($name);
Chris@0:                         $command = $commands[$name];
Chris@0:                         $commandAliases = $this->getCommandAliasesText($command);
Chris@0:                         $this->writeText(sprintf('  <info>%s</info>%s%s', $name, str_repeat(' ', $spacingWidth), $commandAliases.$command->getDescription()), $options);
Chris@0:                     }
Chris@0:                 }
Chris@0:             }
Chris@0: 
Chris@0:             $this->writeText("\n");
Chris@0:         }
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * {@inheritdoc}
Chris@0:      */
Chris@0:     private function writeText($content, array $options = array())
Chris@0:     {
Chris@0:         $this->write(
Chris@0:             isset($options['raw_text']) && $options['raw_text'] ? strip_tags($content) : $content,
Chris@0:             isset($options['raw_output']) ? !$options['raw_output'] : true
Chris@0:         );
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Formats command aliases to show them in the command description.
Chris@0:      *
Chris@0:      * @param Command $command
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function getCommandAliasesText($command)
Chris@0:     {
Chris@0:         $text = '';
Chris@0:         $aliases = $command->getAliases();
Chris@0: 
Chris@0:         if ($aliases) {
Chris@0:             $text = '['.implode('|', $aliases).'] ';
Chris@0:         }
Chris@0: 
Chris@0:         return $text;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * Formats input option/argument default value.
Chris@0:      *
Chris@0:      * @param mixed $default
Chris@0:      *
Chris@0:      * @return string
Chris@0:      */
Chris@0:     private function formatDefaultValue($default)
Chris@0:     {
Chris@0:         if (is_string($default)) {
Chris@0:             $default = OutputFormatter::escape($default);
Chris@0:         } elseif (is_array($default)) {
Chris@0:             foreach ($default as $key => $value) {
Chris@0:                 if (is_string($value)) {
Chris@0:                     $default[$key] = OutputFormatter::escape($value);
Chris@0:                 }
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return str_replace('\\\\', '\\', json_encode($default, JSON_UNESCAPED_SLASHES | JSON_UNESCAPED_UNICODE));
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @param Command[] $commands
Chris@0:      *
Chris@0:      * @return int
Chris@0:      */
Chris@0:     private function getColumnWidth(array $commands)
Chris@0:     {
Chris@0:         $widths = array();
Chris@0: 
Chris@0:         foreach ($commands as $command) {
Chris@0:             $widths[] = Helper::strlen($command->getName());
Chris@0:             foreach ($command->getAliases() as $alias) {
Chris@0:                 $widths[] = Helper::strlen($alias);
Chris@0:             }
Chris@0:         }
Chris@0: 
Chris@0:         return max($widths) + 2;
Chris@0:     }
Chris@0: 
Chris@0:     /**
Chris@0:      * @param InputOption[] $options
Chris@0:      *
Chris@0:      * @return int
Chris@0:      */
Chris@0:     private function calculateTotalWidthForOptions($options)
Chris@0:     {
Chris@0:         $totalWidth = 0;
Chris@0:         foreach ($options as $option) {
Chris@0:             // "-" + shortcut + ", --" + name
Chris@0:             $nameLength = 1 + max(Helper::strlen($option->getShortcut()), 1) + 4 + Helper::strlen($option->getName());
Chris@0: 
Chris@0:             if ($option->acceptValue()) {
Chris@0:                 $valueLength = 1 + Helper::strlen($option->getName()); // = + value
Chris@0:                 $valueLength += $option->isValueOptional() ? 2 : 0; // [ + ]
Chris@0: 
Chris@0:                 $nameLength += $valueLength;
Chris@0:             }
Chris@0:             $totalWidth = max($totalWidth, $nameLength);
Chris@0:         }
Chris@0: 
Chris@0:         return $totalWidth;
Chris@0:     }
Chris@0: }