<?php 
 
/* 
 * This file is part of the Symfony package. 
 * 
 * (c) Fabien Potencier <[email protected]> 
 * 
 * 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\Helper\Helper; 
use Symfony\Component\Console\Input\InputArgument; 
use Symfony\Component\Console\Input\InputDefinition; 
use Symfony\Component\Console\Input\InputOption; 
use Symfony\Component\Console\Output\OutputInterface; 
 
/** 
 * Markdown descriptor. 
 * 
 * @author Jean-François Simon <[email protected]> 
 * 
 * @internal 
 */ 
class MarkdownDescriptor extends Descriptor 
{ 
    /** 
     * {@inheritdoc} 
     */ 
    public function describe(OutputInterface $output, $object, array $options = array()) 
    { 
        $decorated = $output->isDecorated(); 
        $output->setDecorated(false); 
 
        parent::describe($output, $object, $options); 
 
        $output->setDecorated($decorated); 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function write($content, $decorated = true) 
    { 
        parent::write($content, $decorated); 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function describeInputArgument(InputArgument $argument, array $options = array()) 
    { 
        $this->write( 
            '#### `'.($argument->getName() ?: '<none>')."`\n\n" 
            .($argument->getDescription() ? preg_replace('/\s*[\r\n]\s*/', "\n", $argument->getDescription())."\n\n" : '') 
            .'* Is required: '.($argument->isRequired() ? 'yes' : 'no')."\n" 
            .'* Is array: '.($argument->isArray() ? 'yes' : 'no')."\n" 
            .'* Default: `'.str_replace("\n", '', var_export($argument->getDefault(), true)).'`' 
        ); 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function describeInputOption(InputOption $option, array $options = array()) 
    { 
        $name = '--'.$option->getName(); 
        if ($option->getShortcut()) { 
            $name .= '|-'.implode('|-', explode('|', $option->getShortcut())).''; 
        } 
 
        $this->write( 
            '#### `'.$name.'`'."\n\n" 
            .($option->getDescription() ? preg_replace('/\s*[\r\n]\s*/', "\n", $option->getDescription())."\n\n" : '') 
            .'* Accept value: '.($option->acceptValue() ? 'yes' : 'no')."\n" 
            .'* Is value required: '.($option->isValueRequired() ? 'yes' : 'no')."\n" 
            .'* Is multiple: '.($option->isArray() ? 'yes' : 'no')."\n" 
            .'* Default: `'.str_replace("\n", '', var_export($option->getDefault(), true)).'`' 
        ); 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function describeInputDefinition(InputDefinition $definition, array $options = array()) 
    { 
        if ($showArguments = count($definition->getArguments()) > 0) { 
            $this->write('### Arguments'); 
            foreach ($definition->getArguments() as $argument) { 
                $this->write("\n\n"); 
                $this->write($this->describeInputArgument($argument)); 
            } 
        } 
 
        if (count($definition->getOptions()) > 0) { 
            if ($showArguments) { 
                $this->write("\n\n"); 
            } 
 
            $this->write('### Options'); 
            foreach ($definition->getOptions() as $option) { 
                $this->write("\n\n"); 
                $this->write($this->describeInputOption($option)); 
            } 
        } 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function describeCommand(Command $command, array $options = array()) 
    { 
        $command->getSynopsis(); 
        $command->mergeApplicationDefinition(false); 
 
        $this->write( 
            '`'.$command->getName()."`\n" 
            .str_repeat('-', Helper::strlen($command->getName()) + 2)."\n\n" 
            .($command->getDescription() ? $command->getDescription()."\n\n" : '') 
            .'### Usage'."\n\n" 
            .array_reduce(array_merge(array($command->getSynopsis()), $command->getAliases(), $command->getUsages()), function ($carry, $usage) { 
                return $carry.'* `'.$usage.'`'."\n"; 
            }) 
        ); 
 
        if ($help = $command->getProcessedHelp()) { 
            $this->write("\n"); 
            $this->write($help); 
        } 
 
        if ($command->getNativeDefinition()) { 
            $this->write("\n\n"); 
            $this->describeInputDefinition($command->getNativeDefinition()); 
        } 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function describeApplication(Application $application, array $options = array()) 
    { 
        $describedNamespace = isset($options['namespace']) ? $options['namespace'] : null; 
        $description = new ApplicationDescription($application, $describedNamespace); 
        $title = $this->getApplicationTitle($application); 
 
        $this->write($title."\n".str_repeat('=', Helper::strlen($title))); 
 
        foreach ($description->getNamespaces() as $namespace) { 
            if (ApplicationDescription::GLOBAL_NAMESPACE !== $namespace['id']) { 
                $this->write("\n\n"); 
                $this->write('**'.$namespace['id'].':**'); 
            } 
 
            $this->write("\n\n"); 
            $this->write(implode("\n", array_map(function ($commandName) use ($description) { 
                return sprintf('* [`%s`](#%s)', $commandName, str_replace(':', '', $description->getCommand($commandName)->getName())); 
            }, $namespace['commands']))); 
        } 
 
        foreach ($description->getCommands() as $command) { 
            $this->write("\n\n"); 
            $this->write($this->describeCommand($command)); 
        } 
    } 
 
    private function getApplicationTitle(Application $application) 
    { 
        if ('UNKNOWN' !== $application->getName()) { 
            if ('UNKNOWN' !== $application->getVersion()) { 
                return sprintf('%s %s', $application->getName(), $application->getVersion()); 
            } 
 
            return $application->getName(); 
        } 
 
        return 'Console Tool'; 
    } 
} 
 
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