ServiceMapPass::process()   B
last analyzed

Complexity

Conditions 5
Paths 5

Size

Total Lines 22
Code Lines 12

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 13
CRAP Score 5.0592

Importance

Changes 1
Bugs 0 Features 0
Metric Value
c 1
b 0
f 0
dl 0
loc 22
ccs 13
cts 15
cp 0.8667
rs 8.6737
cc 5
eloc 12
nc 5
nop 1
crap 5.0592
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<?php
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namespace JMS\SerializerBundle\DependencyInjection\Compiler;
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use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Definition;
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use Symfony\Component\DependencyInjection\Reference;
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/**
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 * This pass allows you to easily create service maps.
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 *
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 * ```php
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 *    $container->addCompilerPass(new ServiceMapPass(
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 *        'jms_serializer.visitor',
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 *        'format',
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 *        function(ContainerBuilder $container, Definition $def) {
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 *            $container->getDefinition('jms_serializer')
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 *                ->addArgument($def);
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 *        }
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 *    ));
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 * ```
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 *
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 * In the example above, we convert the visitors into a map service.
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 *
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 * @author Johannes M. Schmitt <[email protected]>
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 */
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class ServiceMapPass implements CompilerPassInterface, \Serializable
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{
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    private $tagName;
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    private $keyAttributeName;
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    private $callable;
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    public function __construct($tagName, $keyAttributeName, $callable)
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    {
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        $this->tagName = $tagName;
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        $this->keyAttributeName = $keyAttributeName;
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        $this->callable = $callable;
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    }
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    public function process(ContainerBuilder $container)
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    {
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        if (!is_callable($this->callable)) {
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            throw new \RuntimeException('The callable is invalid. If you had serialized this pass, the original callable might not be available anymore.');
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        }
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        $serviceMap = array();
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        foreach ($container->findTaggedServiceIds($this->tagName) as $id => $tags) {
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            foreach ($tags as $tag) {
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                if (!isset($tag[$this->keyAttributeName])) {
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                    throw new \RuntimeException(sprintf('The attribute "%s" must be set for service "%s" and tag "%s".', $this->keyAttributeName, $id, $this->tagName));
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                }
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                $serviceMap[$tag[$this->keyAttributeName]] = new Reference($id);
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            }
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        }
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        $def = new Definition('PhpCollection\Map');
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        $def->addArgument($serviceMap);
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        call_user_func($this->callable, $container, $def);
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    }
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    public function serialize()
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    {
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        return serialize(array($this->tagName, $this->keyAttributeName));
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    }
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    public function unserialize($str)
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    {
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        list($this->tagName, $this->keyAttributeName) = unserialize($str);
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    }
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}
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