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<?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;
}
}
}