/**
* Parses single service definition from configuration.
* @return void
*/
public static function loadDefinition(ServiceDefinition $definition, $config)
{
if ($config === NULL) {
return;
} elseif (is_string($config) && interface_exists($config)) {
$config = ['class' => NULL, 'implement' => $config];
} elseif ($config instanceof Statement && is_string($config->getEntity()) && interface_exists($config->getEntity())) {
$config = ['class' => NULL, 'implement' => $config->getEntity(), 'factory' => array_shift($config->arguments)];
} elseif (!is_array($config) || isset($config[0], $config[1])) {
$config = ['class' => NULL, 'factory' => $config];
}
if (array_key_exists('create', $config)) {
trigger_error("Key 'create' is deprecated, use 'factory' or 'class' in configuration.", E_USER_DEPRECATED);
$config['factory'] = $config['create'];
unset($config['create']);
}
$known = ['class', 'factory', 'arguments', 'setup', 'autowired', 'dynamic', 'inject', 'parameters', 'implement', 'run', 'tags'];
if ($error = array_diff(array_keys($config), $known)) {
$hints = array_filter(array_map(function ($error) use($known) {
return Nette\Utils\ObjectMixin::getSuggestion($known, $error);
}, $error));
$hint = $hints ? ", did you mean '" . implode("', '", $hints) . "'?" : '.';
throw new Nette\InvalidStateException(sprintf("Unknown key '%s' in definition of service{$hint}", implode("', '", $error)));
}
$config = Helpers::filterArguments($config);
if (array_key_exists('class', $config) || array_key_exists('factory', $config)) {
$definition->setClass(NULL);
$definition->setFactory(NULL);
}
if (array_key_exists('class', $config)) {
Validators::assertField($config, 'class', 'string|Nette\\DI\\Statement|null');
if (!$config['class'] instanceof Statement) {
$definition->setClass($config['class']);
}
$definition->setFactory($config['class']);
}
if (array_key_exists('factory', $config)) {
Validators::assertField($config, 'factory', 'callable|Nette\\DI\\Statement|null');
$definition->setFactory($config['factory']);
}
if (array_key_exists('arguments', $config)) {
Validators::assertField($config, 'arguments', 'array');
$arguments = $config['arguments'];
if (!Config\Helpers::takeParent($arguments) && !Nette\Utils\Arrays::isList($arguments) && $definition->getFactory()) {
$arguments += $definition->getFactory()->arguments;
}
$definition->setArguments($arguments);
}
if (isset($config['setup'])) {
if (Config\Helpers::takeParent($config['setup'])) {
$definition->setSetup([]);
}
Validators::assertField($config, 'setup', 'list');
foreach ($config['setup'] as $id => $setup) {
Validators::assert($setup, 'callable|Nette\\DI\\Statement|array:1', "setup item #{$id}");
if (is_array($setup)) {
$setup = new Statement(key($setup), array_values($setup));
}
$definition->addSetup($setup);
}
}
if (isset($config['parameters'])) {
Validators::assertField($config, 'parameters', 'array');
$definition->setParameters($config['parameters']);
}
if (isset($config['implement'])) {
Validators::assertField($config, 'implement', 'string');
$definition->setImplement($config['implement']);
$definition->setAutowired(TRUE);
}
if (isset($config['autowired'])) {
Validators::assertField($config, 'autowired', 'bool|string|array');
$definition->setAutowired($config['autowired']);
}
if (isset($config['dynamic'])) {
Validators::assertField($config, 'dynamic', 'bool');
$definition->setDynamic($config['dynamic']);
}
if (isset($config['inject'])) {
Validators::assertField($config, 'inject', 'bool');
$definition->addTag(Extensions\InjectExtension::TAG_INJECT, $config['inject']);
}
if (isset($config['run'])) {
trigger_error("Option 'run' is deprecated, use 'run' as tag.", E_USER_DEPRECATED);
$config['tags']['run'] = (bool) $config['run'];
}
if (isset($config['tags'])) {
Validators::assertField($config, 'tags', 'array');
if (Config\Helpers::takeParent($config['tags'])) {
$definition->setTags([]);
}
foreach ($config['tags'] as $tag => $attrs) {
if (is_int($tag) && is_string($attrs)) {
$definition->addTag($attrs);
} else {
$definition->addTag($tag, $attrs);
}
}
}
}
private function resolveImplement(ServiceDefinition $def, $name)
{
$interface = $def->getImplement();
if (!interface_exists($interface)) {
throw new ServiceCreationException("Interface {$interface} used in service '{$name}' not found.");
}
self::checkCase($interface);
$rc = new ReflectionClass($interface);
$method = $rc->hasMethod('create') ? $rc->getMethod('create') : ($rc->hasMethod('get') ? $rc->getMethod('get') : NULL);
if (count($rc->getMethods()) !== 1 || !$method || $method->isStatic()) {
throw new ServiceCreationException("Interface {$interface} used in service '{$name}' must have just one non-static method create() or get().");
}
$def->setImplementType($methodName = $rc->hasMethod('create') ? 'create' : 'get');
if (!$def->getClass() && !$def->getEntity()) {
$returnType = PhpReflection::getReturnType($method);
if (!$returnType) {
throw new ServiceCreationException("Method {$interface}::{$methodName}() used in service '{$name}' has no @return annotation.");
} elseif (!class_exists($returnType)) {
throw new ServiceCreationException("Check a @return annotation of the {$interface}::{$methodName}() method used in service '{$name}', class '{$returnType}' cannot be found.");
}
$def->setClass($returnType);
}
if ($methodName === 'get') {
if ($method->getParameters()) {
throw new ServiceCreationException("Method {$interface}::get() used in service '{$name}' must have no arguments.");
}
if (!$def->getEntity()) {
$def->setFactory('@\\' . ltrim($def->getClass(), '\\'));
} elseif (!$this->getServiceName($def->getFactory()->getEntity())) {
throw new ServiceCreationException("Invalid factory in service '{$name}' definition.");
}
}
if (!$def->parameters) {
$ctorParams = [];
if (!$def->getEntity()) {
$def->setFactory($def->getClass(), $def->getFactory() ? $def->getFactory()->arguments : []);
}
if (($class = $this->resolveEntityClass($def->getFactory(), [$name => 1])) && ($ctor = (new ReflectionClass($class))->getConstructor())) {
foreach ($ctor->getParameters() as $param) {
$ctorParams[$param->getName()] = $param;
}
}
foreach ($method->getParameters() as $param) {
$hint = PhpReflection::getParameterType($param);
if (isset($ctorParams[$param->getName()])) {
$arg = $ctorParams[$param->getName()];
if ($hint !== PhpReflection::getParameterType($arg)) {
throw new ServiceCreationException("Type hint for \${$param->getName()} in {$interface}::{$methodName}() doesn't match type hint in {$class} constructor.");
}
$def->getFactory()->arguments[$arg->getPosition()] = self::literal('$' . $arg->getName());
}
$paramDef = $hint . ' ' . $param->getName();
if ($param->isOptional()) {
$def->parameters[$paramDef] = $param->getDefaultValue();
} else {
$def->parameters[] = $paramDef;
}
}
}
}
private function isAlias(Nette\DI\ServiceDefinition $definition)
{
return $definition->getFactory() && ($definition->getEntity() instanceof Nette\DI\ServiceDefinition || is_string($definition->getEntity()) && substr($definition->getEntity(), 0, 1) === '@');
}