/**
* Process the Container to replace aliases with service definitions.
*
* @param ehough_iconic_ContainerBuilder $container
*
* @throws ehough_iconic_exception_InvalidArgumentException if the service definition does not exist
*/
public function process(ehough_iconic_ContainerBuilder $container)
{
$this->compiler = $container->getCompiler();
$this->formatter = $this->compiler->getLoggingFormatter();
foreach ($container->getAliases() as $id => $alias) {
$aliasId = (string) $alias;
try {
$definition = $container->getDefinition($aliasId);
} catch (ehough_iconic_exception_InvalidArgumentException $e) {
if (version_compare(PHP_VERSION, '5.3') < 0) {
throw new ehough_iconic_exception_InvalidArgumentException(sprintf('Unable to replace alias "%s" with "%s".', $alias, $id), null);
} else {
throw new ehough_iconic_exception_InvalidArgumentException(sprintf('Unable to replace alias "%s" with "%s".', $alias, $id), null, $e);
}
}
if ($definition->isPublic()) {
continue;
}
$definition->setPublic(true);
$container->setDefinition($id, $definition);
$container->removeDefinition($aliasId);
$this->updateReferences($container, $aliasId, $id);
// we have to restart the process due to concurrent modification of
// the container
$this->process($container);
break;
}
}
/**
* Removes abstract definitions from the ContainerBuilder
*
* @param ehough_iconic_ContainerBuilder $container
*/
public function process(ehough_iconic_ContainerBuilder $container)
{
$compiler = $container->getCompiler();
$formatter = $compiler->getLoggingFormatter();
foreach ($container->getDefinitions() as $id => $definition) {
if ($definition->isAbstract()) {
$container->removeDefinition($id);
$compiler->addLogMessage($formatter->formatRemoveService($this, $id, 'abstract'));
}
}
}
/**
* Processes the ContainerBuilder to remove unused definitions.
*
* @param ehough_iconic_ContainerBuilder $container
*/
public function process(ehough_iconic_ContainerBuilder $container)
{
$compiler = $container->getCompiler();
$formatter = $compiler->getLoggingFormatter();
$graph = $compiler->getServiceReferenceGraph();
$hasChanged = false;
foreach ($container->getDefinitions() as $id => $definition) {
if ($definition->isPublic()) {
continue;
}
if ($graph->hasNode($id)) {
$edges = $graph->getNode($id)->getInEdges();
$referencingAliases = array();
$sourceIds = array();
foreach ($edges as $edge) {
$node = $edge->getSourceNode();
$sourceIds[] = $node->getId();
if ($node->isAlias()) {
$referencingAliases[] = $node->getValue();
}
}
$isReferenced = count(array_unique($sourceIds)) - count($referencingAliases) > 0;
} else {
$referencingAliases = array();
$isReferenced = false;
}
if (1 === count($referencingAliases) && false === $isReferenced) {
$container->setDefinition((string) reset($referencingAliases), $definition);
$definition->setPublic(true);
$container->removeDefinition($id);
$compiler->addLogMessage($formatter->formatRemoveService($this, $id, 'replaces alias ' . reset($referencingAliases)));
} elseif (0 === count($referencingAliases) && false === $isReferenced) {
$container->removeDefinition($id);
$compiler->addLogMessage($formatter->formatRemoveService($this, $id, 'unused'));
$hasChanged = true;
}
}
if ($hasChanged) {
$this->repeatedPass->setRepeat();
}
}
