%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* This file is part of the Nette Framework (http://nette.org)
*
* Copyright (c) 2004 David Grudl (http://davidgrudl.com)
*
* For the full copyright and license information, please view
* the file license.txt that was distributed with this source code.
*/
namespace Nette\Config;
use Nette,
Nette\Utils\Validators;
/**
* DI container compiler.
*
* @author David Grudl
*
* @property-read CompilerExtension[] $extensions
* @property-read Nette\DI\ContainerBuilder $containerBuilder
* @property-read array $config
*/
class Compiler extends Nette\Object
{
/** @var CompilerExtension[] */
private $extensions = array();
/** @var Nette\DI\ContainerBuilder */
private $container;
/** @var array */
private $config;
/** @var array reserved section names */
private static $reserved = array('services' => 1, 'factories' => 1, 'parameters' => 1);
/**
* Add custom configurator extension.
* @return Compiler provides a fluent interface
*/
public function addExtension($name, CompilerExtension $extension)
{
if (isset(self::$reserved[$name])) {
throw new Nette\InvalidArgumentException("Name '$name' is reserved.");
}
$this->extensions[$name] = $extension->setCompiler($this, $name);
return $this;
}
/**
* @return array
*/
public function getExtensions()
{
return $this->extensions;
}
/**
* @return Nette\DI\ContainerBuilder
*/
public function getContainerBuilder()
{
return $this->container;
}
/**
* Returns configuration without expanded parameters.
* @return array
*/
public function getConfig()
{
return $this->config;
}
/**
* @return string
*/
public function compile(array $config, $className, $parentName)
{
$this->config = $config;
$this->container = new Nette\DI\ContainerBuilder;
$this->processParameters();
$this->processExtensions();
$this->processServices();
return $this->generateCode($className, $parentName);
}
public function processParameters()
{
if (isset($this->config['parameters'])) {
$this->container->parameters = $this->config['parameters'];
}
}
public function processExtensions()
{
for ($i = 0; $slice = array_slice($this->extensions, $i, 1); $i++) {
reset($slice)->loadConfiguration();
}
if ($extra = array_diff_key($this->config, self::$reserved, $this->extensions)) {
$extra = implode("', '", array_keys($extra));
throw new Nette\InvalidStateException("Found sections '$extra' in configuration, but corresponding extensions are missing.");
}
}
public function processServices()
{
$this->parseServices($this->container, $this->config);
foreach ($this->extensions as $name => $extension) {
$this->container->addDefinition($name)
->setClass('Nette\DI\NestedAccessor', array('@container', $name))
->setAutowired(FALSE);
if (isset($this->config[$name])) {
$this->parseServices($this->container, $this->config[$name], $name);
}
}
foreach ($this->container->getDefinitions() as $name => $def) {
$factory = $name . 'Factory';
if (!$def->shared && !$def->internal && !$this->container->hasDefinition($factory)) {
$this->container->addDefinition($factory)
->setClass('Nette\Callback', array('@container', Nette\DI\Container::getMethodName($name, FALSE)))
->setAutowired(FALSE)
->tags = $def->tags;
}
}
}
public function generateCode($className, $parentName)
{
foreach ($this->extensions as $extension) {
$extension->beforeCompile();
$this->container->addDependency(Nette\Reflection\ClassType::from($extension)->getFileName());
}
$classes[] = $class = $this->container->generateClass($parentName);
$class->setName($className)
->addMethod('initialize');
foreach ($this->extensions as $extension) {
$extension->afterCompile($class);
}
$defs = $this->container->getDefinitions();
ksort($defs);
$list = array_keys($defs);
foreach (array_reverse($defs, TRUE) as $name => $def) {
if ($def->class === 'Nette\DI\NestedAccessor' && ($found = preg_grep('#^'.$name.'\.#i', $list))) {
$list = array_diff($list, $found);
$def->class = $className . '_' . preg_replace('#\W+#', '_', $name);
$class->documents = preg_replace("#\\S+(?= \\$$name\\z)#", $def->class, $class->documents);
$classes[] = $accessor = new Nette\Utils\PhpGenerator\ClassType($def->class);
foreach ($found as $item) {
if ($defs[$item]->internal) {
continue;
}
$short = substr($item, strlen($name) + 1);
$accessor->addDocument($defs[$item]->shared
? "@property {$defs[$item]->class} \$$short"
: "@method {$defs[$item]->class} create" . ucfirst("$short()"));
}
}
}
return implode("\n\n\n", $classes);
}
/********************* tools ****************d*g**/
/**
* Parses section 'services' from configuration file.
* @return void
*/
public static function parseServices(Nette\DI\ContainerBuilder $container, array $config, $namespace = NULL)
{
$services = isset($config['services']) ? $config['services'] : array();
$factories = isset($config['factories']) ? $config['factories'] : array();
$all = array_merge($services, $factories);
uasort($all, function($a, $b) {
return strcmp(Helpers::isInheriting($a), Helpers::isInheriting($b));
});
foreach ($all as $origName => $def) {
$shared = array_key_exists($origName, $services);
if ((string) (int) $origName === (string) $origName) {
$name = (string) (count($container->getDefinitions()) + 1);
} elseif ($shared && array_key_exists($origName, $factories)) {
throw new Nette\DI\ServiceCreationException("It is not allowed to use services and factories with the same name: '$origName'.");
} else {
$name = ($namespace ? $namespace . '.' : '') . strtr($origName, '\\', '_');
}
if (($parent = Helpers::takeParent($def)) && $parent !== $name) {
$container->removeDefinition($name);
$definition = $container->addDefinition($name);
if ($parent !== Helpers::OVERWRITE) {
foreach ($container->getDefinition($parent) as $k => $v) {
$definition->$k = unserialize(serialize($v)); // deep clone
}
}
} elseif ($container->hasDefinition($name)) {
$definition = $container->getDefinition($name);
if ($definition->shared !== $shared) {
throw new Nette\DI\ServiceCreationException("It is not allowed to use service and factory with the same name '$name'.");
}
} else {
$definition = $container->addDefinition($name);
}
try {
static::parseService($definition, $def, $shared);
} catch (\Exception $e) {
throw new Nette\DI\ServiceCreationException("Service '$name': " . $e->getMessage(), NULL, $e);
}
}
}
/**
* Parses single service from configuration file.
* @return void
*/
public static function parseService(Nette\DI\ServiceDefinition $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 Nette\InvalidStateException("Unknown key '" . implode("', '", $error) . "' in definition of service.");
}
$arguments = array();
if (array_key_exists('arguments', $config)) {
Validators::assertField($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', $config)) {
Validators::assertField($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', $config)) {
Validators::assertField($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 (Helpers::takeParent($config['setup'])) {
$definition->setup = array();
}
Validators::assertField($config, 'setup', 'list');
foreach ($config['setup'] as $id => $setup) {
Validators::assert($setup, 'callable|stdClass', "setup item #$id");
if ($setup instanceof \stdClass) {
Validators::assert($setup->value, 'callable', "setup item #$id");
$definition->addSetup($setup->value, self::filterArguments($setup->attributes));
} else {
$definition->addSetup($setup);
}
}
}
$definition->setShared($shared);
if (isset($config['parameters'])) {
Validators::assertField($config, 'parameters', 'array');
$definition->setParameters($config['parameters']);
}
if (isset($config['autowired'])) {
Validators::assertField($config, 'autowired', 'bool');
$definition->setAutowired($config['autowired']);
}
if (isset($config['internal'])) {
Validators::assertField($config, 'internal', 'bool');
$definition->setInternal($config['internal']);
}
if (isset($config['run'])) {
$config['tags']['run'] = (bool) $config['run'];
}
if (isset($config['tags'])) {
Validators::assertField($config, 'tags', 'array');
if (Helpers::takeParent($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);
}
}
}
}
/**
* Removes ... and replaces entities with Nette\DI\Statement.
* @return array
*/
public static function filterArguments(array $args)
{
foreach ($args as $k => $v) {
if ($v === '...') {
unset($args[$k]);
} elseif ($v instanceof \stdClass && isset($v->value, $v->attributes)) {
$args[$k] = new Nette\DI\Statement($v->value, self::filterArguments($v->attributes));
}
}
return $args;
}
}
Zerion Mini Shell 1.0