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Current File : /home/admin/public_html/old/libraries/rokcommon/RokCommon/Service/Container/Dumper/Xml.php
<?php

/*
 * This file is part of the symfony framework.
 *
 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

/**
 * RokCommon_Service_Container_Dumper_Xml dumps a service container as an XML string.
 *
 * @package    symfony
 * @subpackage dependency_injection
 * @author     Fabien Potencier <fabien.potencier@symfony-project.com>
 * @version    SVN: $Id: Xml.php 10831 2013-05-29 19:32:17Z btowles $
 */
class RokCommon_Service_Container_Dumper_Xml extends RokCommon_Service_Container_AbstractDumper
{
  /**
   * Dumps the service container as an XML string.
   *
   * @param  array  $options An array of options
   *
   * @return string An xml string representing of the service container
   */
  public function dump(array $options = array())
  {
    return $this->startXml().$this->addParameters().$this->addServices().$this->endXml();
  }

  protected function addParameters()
  {
    if (!$this->container->getParameters())
    {
      return '';
    }

    return sprintf("  <parameters>\n%s  </parameters>\n", $this->convertParameters($this->escape($this->container->getParameters()), 'parameter', 4));
  }

  protected function addService($id, $definition)
  {
    $code = sprintf("    <service id=\"%s\" class=\"%s\"%s%s>\n",
      $id,
      $definition->getClass(),
      $definition->getConstructor() ? sprintf(' constructor="%s"', $definition->getConstructor()) : '',
      !$definition->isShared() ? ' shared="false"' : ''
    );

    if ($definition->getFile())
    {
      $code .= sprintf("      <file>%s</file>\n", $definition->getFile());
    }

    if ($definition->getArguments())
    {
      $code .= $this->convertParameters($definition->getArguments(), 'argument', 6);
    }

    foreach ($definition->getMethodCalls() as $call)
    {
      if (count($call[1]))
      {
        $code .= sprintf("      <call method=\"%s\">\n%s      </call>\n", $call[0], $this->convertParameters($call[1], 'argument', 8));
      }
      else
      {
        $code .= sprintf("      <call method=\"%s\" />\n", $call[0]);
      }
    }

    if ($callable = $definition->getConfigurator())
    {
      if (is_array($callable))
      {
        if (is_object($callable[0]) && $callable[0] instanceof RokCommon_Service_Reference)
        {
          $code .= sprintf("      <configurator service=\"%s\" method=\"%s\" />\n", $callable[0], $callable[1]);
        }
        else
        {
          $code .= sprintf("      <configurator class=\"%s\" method=\"%s\" />\n", $callable[0], $callable[1]);
        }
      }
      else
      {
        $code .= sprintf("      <configurator function=\"%s\" />\n", $callable);
      }
    }

    $code .= "    </service>\n";

    return $code;
  }

  protected function addServiceAlias($alias, $id)
  {
    return sprintf("    <service id=\"%s\" alias=\"%s\" />\n", $alias, $id);
  }

  protected function addServices()
  {
    if (!$this->container->getServiceDefinitions())
    {
      return '';
    }

    $code = '';
    foreach ($this->container->getServiceDefinitions() as $id => $definition)
    {
      $code .= $this->addService($id, $definition);
    }

    foreach ($this->container->getAliases() as $alias => $id)
    {
      $code .= $this->addServiceAlias($alias, $id);
    }

    return sprintf("  <services>\n%s  </services>\n", $code);
  }

  protected function convertParameters($parameters, $type='parameter', $depth = 2)
  {
    $white = str_repeat(' ', $depth);
    $xml = '';
    $withKeys = array_keys($parameters) !== range(0, count($parameters) - 1);
    foreach ($parameters as $key => $value)
    {
      $attributes = '';
      $key = $withKeys ? sprintf(' key="%s"', $key) : '';
      if (is_array($value))
      {
        $value = "\n".$this->convertParameters($value, $type, $depth + 2).$white;
        $attributes = ' type="collection"';
      }

      if (is_object($value) && $value instanceof RokCommon_Service_Reference)
      {
        $xml .= sprintf("%s<%s%s type=\"service\" id=\"%s\" />\n", $white, $type, $key, (string) $value, $type);
      }
      else
      {
        if (in_array($value, array('null', 'true', 'false'), true))
        {
          $attributes = ' type="string"';
        }

        $xml .= sprintf("%s<%s%s%s>%s</%s>\n", $white, $type, $key, $attributes, self::phpToXml($value), $type);
      }
    }

    return $xml;
  }

  protected function startXml()
  {
    return <<<EOF
<?xml version="1.0" ?>

<container xmlns="http://symfony-project.org/2.0/container">

EOF;
  }

  protected function endXml()
  {
    return "</container>\n";
  }

  protected function escape($arguments)
  {
    $args = array();
    foreach ($arguments as $k => $v)
    {
      if (is_array($v))
      {
        $args[$k] = $this->escape($v);
      }
      elseif (is_string($v))
      {
        $args[$k] = str_replace('%', '%%', $v);
      }
      else
      {
        $args[$k] = $v;
      }
    }

    return $args;
  }

  static public function phpToXml($value)
  {
    switch (true)
    {
      case null === $value:
        return 'null';
      case true === $value:
        return 'true';
      case false === $value:
        return 'false';
      case is_object($value) && $value instanceof RokCommon_Service_Parameter:
        return '%'.$value.'%';
      case is_object($value) || is_resource($value):
        throw new RuntimeException('Unable to dump a service container if a parameter is an object or a resource.');
      default:
        return $value;
    }
  }
}
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