/**
* Reads configuration from file.
* @param string file name
* @param string optional section to load
* @return array
*/
public function load($file, $section = NULL)
{
if (!is_file($file) || !is_readable($file)) {
throw new FileNotFoundException("File '$file' is missing or is not readable.");
}
$this->dependencies[] = $file = realpath($file);
$data = $this->getAdapter($file)->load($file);
if ($section) {
if (isset($data[self::INCLUDES_KEY])) {
throw new InvalidStateException("Section 'includes' must be placed under some top section in file '$file'.");
}
$data = $this->getSection($data, $section, $file);
}
// include child files
$merged = array();
if (isset($data[self::INCLUDES_KEY])) {
NValidators::assert($data[self::INCLUDES_KEY], 'list', "section 'includes' in file '$file'");
foreach ($data[self::INCLUDES_KEY] as $include) {
$merged = NConfigHelpers::merge($this->load(dirname($file) . '/' . $include), $merged);
}
}
unset($data[self::INCLUDES_KEY]);
return NConfigHelpers::merge($data, $merged);
}
/**
* Sets a header.
* @param string
* @param string|array value or pair email => name
* @param bool
* @return NMailMimePart provides a fluent interface
*/
public function setHeader($name, $value, $append = FALSE)
{
if (!$name || preg_match('#[^a-z0-9-]#i', $name)) {
throw new InvalidArgumentException("Header name must be non-empty alphanumeric string, '$name' given.");
}
if ($value == NULL) { // intentionally ==
if (!$append) {
unset($this->headers[$name]);
}
} elseif (is_array($value)) { // email
$tmp = & $this->headers[$name];
if (!$append || !is_array($tmp)) {
$tmp = array();
}
foreach ($value as $email => $recipient) {
if ($recipient !== NULL && !NStrings::checkEncoding($recipient)) {
NValidators::assert($recipient, 'unicode', "header '$name'");
}
if (preg_match('#[\r\n]#', $recipient)) {
throw new InvalidArgumentException("Name must not contain line separator.");
}
NValidators::assert($email, 'email', "header '$name'");
$tmp[$email] = $recipient;
}
} else {
$value = (string) $value;
if (!NStrings::checkEncoding($value)) {
throw new InvalidArgumentException("Header is not valid UTF-8 string.");
}
$this->headers[$name] = preg_replace('#[\r\n]+#', ' ', $value);
}
return $this;
}
/**
* Parses single service from configuration file.
* @return void
*/
public static function parseService(NDIServiceDefinition $definition, $config, $shared = TRUE)
{
if ($config === NULL) {
return;
} elseif (!is_array($config)) {
$config = array('class' => NULL, 'factory' => $config);
}
$known = $shared
? array('class', 'factory', 'arguments', 'setup', 'autowired', 'run', 'tags')
: array('class', 'factory', 'arguments', 'setup', 'autowired', 'tags', 'internal', 'parameters');
if ($error = array_diff(array_keys($config), $known)) {
throw new InvalidStateException("Unknown key '" . implode("', '", $error) . "' in definition of service.");
}
$arguments = array();
if (array_key_exists('arguments', $config)) {
NValidators::assertField($config, 'arguments', 'array');
$arguments = self::filterArguments($config['arguments']);
$definition->setArguments($arguments);
}
if (array_key_exists('class', $config) || array_key_exists('factory', $config)) {
$definition->class = NULL;
$definition->factory = NULL;
}
if (array_key_exists('class', $config)) {
NValidators::assertField($config, 'class', 'string|stdClass|null');
if ($config['class'] instanceof stdClass) {
$definition->setClass($config['class']->value, self::filterArguments($config['class']->attributes));
} else {
$definition->setClass($config['class'], $arguments);
}
}
if (array_key_exists('factory', $config)) {
NValidators::assertField($config, 'factory', 'callable|stdClass|null');
if ($config['factory'] instanceof stdClass) {
$definition->setFactory($config['factory']->value, self::filterArguments($config['factory']->attributes));
} else {
$definition->setFactory($config['factory'], $arguments);
}
}
if (isset($config['setup'])) {
if (NConfigHelpers::takeParent($config['setup'])) {
$definition->setup = array();
}
NValidators::assertField($config, 'setup', 'list');
foreach ($config['setup'] as $id => $setup) {
NValidators::assert($setup, 'callable|stdClass', "setup item #$id");
if ($setup instanceof stdClass) {
NValidators::assert($setup->value, 'callable', "setup item #$id");
$definition->addSetup($setup->value, self::filterArguments($setup->attributes));
} else {
$definition->addSetup($setup);
}
}
}
$definition->setShared($shared);
if (isset($config['parameters'])) {
NValidators::assertField($config, 'parameters', 'array');
$definition->setParameters($config['parameters']);
}
if (isset($config['autowired'])) {
NValidators::assertField($config, 'autowired', 'bool');
$definition->setAutowired($config['autowired']);
}
if (isset($config['internal'])) {
NValidators::assertField($config, 'internal', 'bool');
$definition->setInternal($config['internal']);
}
if (isset($config['run'])) {
$config['tags']['run'] = (bool) $config['run'];
}
if (isset($config['tags'])) {
NValidators::assertField($config, 'tags', 'array');
if (NConfigHelpers::takeParent($config['tags'])) {
$definition->tags = array();
}
foreach ($config['tags'] as $tag => $attrs) {
if (is_int($tag) && is_string($attrs)) {
$definition->addTag($attrs);
} else {
$definition->addTag($tag, $attrs);
}
}
}
}
/**
* Formats PHP code for class instantiating, function calling or property setting in PHP.
* @return string
* @internal
*/
public function formatStatement(NDIStatement $statement, $self = NULL)
{
$entity = $this->normalizeEntity($statement->entity);
$arguments = $statement->arguments;
if (is_string($entity) && NStrings::contains($entity, '?')) { // PHP literal
return $this->formatPhp($entity, $arguments, $self);
} elseif ($service = $this->getServiceName($entity)) { // factory calling or service retrieving
if ($this->definitions[$service]->shared) {
if ($arguments) {
throw new NServiceCreationException("Unable to call service '$entity'.");
}
return $this->formatPhp('$this->getService(?)', array($service));
}
$params = array();
foreach ($this->definitions[$service]->parameters as $k => $v) {
$params[] = preg_replace('#\w+\z#', '\$$0', (is_int($k) ? $v : $k)) . (is_int($k) ? '' : ' = ' . NPhpHelpers::dump($v));
}
$rm = new NFunctionReflection(create_function(implode(', ', $params), ''));
$arguments = NDIHelpers::autowireArguments($rm, $arguments, $this);
return $this->formatPhp('$this->?(?*)', array(NDIContainer::getMethodName($service, FALSE), $arguments), $self);
} elseif ($entity === 'not') { // operator
return $this->formatPhp('!?', array($arguments[0]));
} elseif (is_string($entity)) { // class name
if ($constructor = NClassReflection::from($entity)->getConstructor()) {
$this->addDependency($constructor->getFileName());
$arguments = NDIHelpers::autowireArguments($constructor, $arguments, $this);
} elseif ($arguments) {
throw new NServiceCreationException("Unable to pass arguments, class $entity has no constructor.");
}
return $this->formatPhp("new $entity" . ($arguments ? '(?*)' : ''), array($arguments), $self);
} elseif (!NValidators::isList($entity) || count($entity) !== 2) {
throw new InvalidStateException("Expected class, method or property, " . NPhpHelpers::dump($entity) . " given.");
} elseif ($entity[0] === '') { // globalFunc
return $this->formatPhp("$entity[1](?*)", array($arguments), $self);
} elseif (NStrings::contains($entity[1], '$')) { // property setter
NValidators::assert($arguments, 'list:1', "setup arguments for '" . NCallback::create($entity) . "'");
if ($this->getServiceName($entity[0], $self)) {
return $this->formatPhp('?->? = ?', array($entity[0], substr($entity[1], 1), $arguments[0]), $self);
} else {
return $this->formatPhp($entity[0] . '::$? = ?', array(substr($entity[1], 1), $arguments[0]), $self);
}
} elseif ($service = $this->getServiceName($entity[0], $self)) { // service method
if ($this->definitions[$service]->class) {
$arguments = $this->autowireArguments($this->definitions[$service]->class, $entity[1], $arguments);
}
return $this->formatPhp('?->?(?*)', array($entity[0], $entity[1], $arguments), $self);
} else { // static method
$arguments = $this->autowireArguments($entity[0], $entity[1], $arguments);
return $this->formatPhp("$entity[0]::$entity[1](?*)", array($arguments), $self);
}
}
