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[DependencyInjection] added a way to inject an anonymous service in an extension configuration

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<foo:bar>
        <service class="Foo" />
        <service class="Bar" />
    </foo:bar>

In the foo:bar extension method, you can retrieve the services with:

    // always an array of services
    $config['_services']
This commit is contained in:
Fabien Potencier 2010-09-02 12:16:20 +02:00
parent 9e4aebf3c9
commit 7c1b42e81b
1 changed files with 34 additions and 9 deletions
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43
src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php
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@ -179,12 +179,24 @@ class XmlFileLoader extends FileLoader
// find anonymous service definitions
$xml->registerXPathNamespace('container', 'http://www.symfony-project.org/schema/dic/services');
// anonymous services as arguments
$nodes = $xml->xpath('//container:argument[@type="service"][not(@id)]');
foreach ($nodes as $node) {
// give it a unique names
// give it a unique name
$node['id'] = sprintf('_%s_%d', md5($file), ++$count);
$definitions[(string) $node['id']] = array($node->service, $file);
$definitions[(string) $node['id']] = array($node->service, $file, false);
$node->service['id'] = (string) $node['id'];
}
// anonymous services "in the wild"
$nodes = $xml->xpath('//container:service[not(@id)]');
foreach ($nodes as $node) {
// give it a unique name
$node['id'] = sprintf('_%s_%d', md5($file), ++$count);
$definitions[(string) $node['id']] = array($node, $file, true);
$node->service['id'] = (string) $node['id'];
}
@ -194,7 +206,13 @@ class XmlFileLoader extends FileLoader
$this->parseDefinition($id, $def[0], $def[1]);
$oNode = dom_import_simplexml($def[0]);
$oNode->parentNode->removeChild($oNode);
if (true === $def[2]) {
$nNode = new \DOMElement('_services');
$oNode->parentNode->replaceChild($nNode, $oNode);
$nNode->setAttribute('id', $id);
} else {
$oNode->parentNode->removeChild($oNode);
}
}
return $xml;
@ -350,13 +368,20 @@ EOF
$empty = false;
}
} elseif (!$node instanceof \DOMComment) {
if (isset($config[$node->localName])) {
if (!is_array($config[$node->localName]) || !is_int(key($config[$node->localName]))) {
$config[$node->localName] = array($config[$node->localName]);
}
$config[$node->localName][] = static::convertDomElementToArray($node);
if ($node instanceof \DOMElement && '_services' === $node->nodeName) {
$value = new Reference($node->getAttribute('id'));
} else {
$config[$node->localName] = static::convertDomElementToArray($node);
$value = static::convertDomElementToArray($node);
}
$key = $node->localName;
if (isset($config[$key])) {
if (!is_array($config[$key]) || !is_int(key($config[$key]))) {
$config[$key] = array($config[$key]);
}
$config[$key][] = $value;
} else {
$config[$key] = $value;
}
$empty = false;