<?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\Input\InputArgument; 
use Symfony\Component\Console\Input\InputDefinition; 
use Symfony\Component\Console\Input\InputOption; 
 
/** 
 * XML descriptor. 
 * 
 * @author Jean-François Simon <[email protected]> 
 * 
 * @internal 
 */ 
class XmlDescriptor extends Descriptor 
{ 
    /** 
     * @param InputDefinition $definition 
     * 
     * @return \DOMDocument 
     */ 
    public function getInputDefinitionDocument(InputDefinition $definition) 
    { 
        $dom = new \DOMDocument('1.0', 'UTF-8'); 
        $dom->appendChild($definitionXML = $dom->createElement('definition')); 
 
        $definitionXML->appendChild($argumentsXML = $dom->createElement('arguments')); 
        foreach ($definition->getArguments() as $argument) { 
            $this->appendDocument($argumentsXML, $this->getInputArgumentDocument($argument)); 
        } 
 
        $definitionXML->appendChild($optionsXML = $dom->createElement('options')); 
        foreach ($definition->getOptions() as $option) { 
            $this->appendDocument($optionsXML, $this->getInputOptionDocument($option)); 
        } 
 
        return $dom; 
    } 
 
    /** 
     * @param Command $command 
     * 
     * @return \DOMDocument 
     */ 
    public function getCommandDocument(Command $command) 
    { 
        $dom = new \DOMDocument('1.0', 'UTF-8'); 
        $dom->appendChild($commandXML = $dom->createElement('command')); 
 
        $command->getSynopsis(); 
        $command->mergeApplicationDefinition(false); 
 
        $commandXML->setAttribute('id', $command->getName()); 
        $commandXML->setAttribute('name', $command->getName()); 
        $commandXML->setAttribute('hidden', $command->isHidden() ? 1 : 0); 
 
        $commandXML->appendChild($usagesXML = $dom->createElement('usages')); 
 
        foreach (array_merge(array($command->getSynopsis()), $command->getAliases(), $command->getUsages()) as $usage) { 
            $usagesXML->appendChild($dom->createElement('usage', $usage)); 
        } 
 
        $commandXML->appendChild($descriptionXML = $dom->createElement('description')); 
        $descriptionXML->appendChild($dom->createTextNode(str_replace("\n", "\n ", $command->getDescription()))); 
 
        $commandXML->appendChild($helpXML = $dom->createElement('help')); 
        $helpXML->appendChild($dom->createTextNode(str_replace("\n", "\n ", $command->getProcessedHelp()))); 
 
        $definitionXML = $this->getInputDefinitionDocument($command->getNativeDefinition()); 
        $this->appendDocument($commandXML, $definitionXML->getElementsByTagName('definition')->item(0)); 
 
        return $dom; 
    } 
 
    /** 
     * @param Application $application 
     * @param string|null $namespace 
     * 
     * @return \DOMDocument 
     */ 
    public function getApplicationDocument(Application $application, $namespace = null) 
    { 
        $dom = new \DOMDocument('1.0', 'UTF-8'); 
        $dom->appendChild($rootXml = $dom->createElement('symfony')); 
 
        if ($application->getName() !== 'UNKNOWN') { 
            $rootXml->setAttribute('name', $application->getName()); 
            if ($application->getVersion() !== 'UNKNOWN') { 
                $rootXml->setAttribute('version', $application->getVersion()); 
            } 
        } 
 
        $rootXml->appendChild($commandsXML = $dom->createElement('commands')); 
 
        $description = new ApplicationDescription($application, $namespace, true); 
 
        if ($namespace) { 
            $commandsXML->setAttribute('namespace', $namespace); 
        } 
 
        foreach ($description->getCommands() as $command) { 
            $this->appendDocument($commandsXML, $this->getCommandDocument($command)); 
        } 
 
        if (!$namespace) { 
            $rootXml->appendChild($namespacesXML = $dom->createElement('namespaces')); 
 
            foreach ($description->getNamespaces() as $namespaceDescription) { 
                $namespacesXML->appendChild($namespaceArrayXML = $dom->createElement('namespace')); 
                $namespaceArrayXML->setAttribute('id', $namespaceDescription['id']); 
 
                foreach ($namespaceDescription['commands'] as $name) { 
                    $namespaceArrayXML->appendChild($commandXML = $dom->createElement('command')); 
                    $commandXML->appendChild($dom->createTextNode($name)); 
                } 
            } 
        } 
 
        return $dom; 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function describeInputArgument(InputArgument $argument, array $options = array()) 
    { 
        $this->writeDocument($this->getInputArgumentDocument($argument)); 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function describeInputOption(InputOption $option, array $options = array()) 
    { 
        $this->writeDocument($this->getInputOptionDocument($option)); 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function describeInputDefinition(InputDefinition $definition, array $options = array()) 
    { 
        $this->writeDocument($this->getInputDefinitionDocument($definition)); 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function describeCommand(Command $command, array $options = array()) 
    { 
        $this->writeDocument($this->getCommandDocument($command)); 
    } 
 
    /** 
     * {@inheritdoc} 
     */ 
    protected function describeApplication(Application $application, array $options = array()) 
    { 
        $this->writeDocument($this->getApplicationDocument($application, isset($options['namespace']) ? $options['namespace'] : null)); 
    } 
 
    /** 
     * Appends document children to parent node. 
     * 
     * @param \DOMNode $parentNode 
     * @param \DOMNode $importedParent 
     */ 
    private function appendDocument(\DOMNode $parentNode, \DOMNode $importedParent) 
    { 
        foreach ($importedParent->childNodes as $childNode) { 
            $parentNode->appendChild($parentNode->ownerDocument->importNode($childNode, true)); 
        } 
    } 
 
    /** 
     * Writes DOM document. 
     * 
     * @param \DOMDocument $dom 
     * 
     * @return \DOMDocument|string 
     */ 
    private function writeDocument(\DOMDocument $dom) 
    { 
        $dom->formatOutput = true; 
        $this->write($dom->saveXML()); 
    } 
 
    /** 
     * @param InputArgument $argument 
     * 
     * @return \DOMDocument 
     */ 
    private function getInputArgumentDocument(InputArgument $argument) 
    { 
        $dom = new \DOMDocument('1.0', 'UTF-8'); 
 
        $dom->appendChild($objectXML = $dom->createElement('argument')); 
        $objectXML->setAttribute('name', $argument->getName()); 
        $objectXML->setAttribute('is_required', $argument->isRequired() ? 1 : 0); 
        $objectXML->setAttribute('is_array', $argument->isArray() ? 1 : 0); 
        $objectXML->appendChild($descriptionXML = $dom->createElement('description')); 
        $descriptionXML->appendChild($dom->createTextNode($argument->getDescription())); 
 
        $objectXML->appendChild($defaultsXML = $dom->createElement('defaults')); 
        $defaults = is_array($argument->getDefault()) ? $argument->getDefault() : (is_bool($argument->getDefault()) ? array(var_export($argument->getDefault(), true)) : ($argument->getDefault() ? array($argument->getDefault()) : array())); 
        foreach ($defaults as $default) { 
            $defaultsXML->appendChild($defaultXML = $dom->createElement('default')); 
            $defaultXML->appendChild($dom->createTextNode($default)); 
        } 
 
        return $dom; 
    } 
 
    /** 
     * @param InputOption $option 
     * 
     * @return \DOMDocument 
     */ 
    private function getInputOptionDocument(InputOption $option) 
    { 
        $dom = new \DOMDocument('1.0', 'UTF-8'); 
 
        $dom->appendChild($objectXML = $dom->createElement('option')); 
        $objectXML->setAttribute('name', '--'.$option->getName()); 
        $pos = strpos($option->getShortcut(), '|'); 
        if (false !== $pos) { 
            $objectXML->setAttribute('shortcut', '-'.substr($option->getShortcut(), 0, $pos)); 
            $objectXML->setAttribute('shortcuts', '-'.implode('|-', explode('|', $option->getShortcut()))); 
        } else { 
            $objectXML->setAttribute('shortcut', $option->getShortcut() ? '-'.$option->getShortcut() : ''); 
        } 
        $objectXML->setAttribute('accept_value', $option->acceptValue() ? 1 : 0); 
        $objectXML->setAttribute('is_value_required', $option->isValueRequired() ? 1 : 0); 
        $objectXML->setAttribute('is_multiple', $option->isArray() ? 1 : 0); 
        $objectXML->appendChild($descriptionXML = $dom->createElement('description')); 
        $descriptionXML->appendChild($dom->createTextNode($option->getDescription())); 
 
        if ($option->acceptValue()) { 
            $defaults = is_array($option->getDefault()) ? $option->getDefault() : (is_bool($option->getDefault()) ? array(var_export($option->getDefault(), true)) : ($option->getDefault() ? array($option->getDefault()) : array())); 
            $objectXML->appendChild($defaultsXML = $dom->createElement('defaults')); 
 
            if (!empty($defaults)) { 
                foreach ($defaults as $default) { 
                    $defaultsXML->appendChild($defaultXML = $dom->createElement('default')); 
                    $defaultXML->appendChild($dom->createTextNode($default)); 
                } 
            } 
        } 
 
        return $dom; 
    } 
} 
 
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