ok
Mini Shell
<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Config\Builder;
use Symfony\Component\Config\Definition\ArrayNode;
use Symfony\Component\Config\Definition\BaseNode;
use Symfony\Component\Config\Definition\BooleanNode;
use Symfony\Component\Config\Definition\Builder\ExprBuilder;
use Symfony\Component\Config\Definition\ConfigurationInterface;
use Symfony\Component\Config\Definition\EnumNode;
use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
use Symfony\Component\Config\Definition\FloatNode;
use Symfony\Component\Config\Definition\IntegerNode;
use Symfony\Component\Config\Definition\NodeInterface;
use Symfony\Component\Config\Definition\PrototypedArrayNode;
use Symfony\Component\Config\Definition\ScalarNode;
use Symfony\Component\Config\Definition\VariableNode;
use Symfony\Component\Config\Loader\ParamConfigurator;
/**
* Generate ConfigBuilders to help create valid config.
*
* @author Tobias Nyholm <tobias.nyholm@gmail.com>
*/
class ConfigBuilderGenerator implements ConfigBuilderGeneratorInterface
{
/**
* @var ClassBuilder[]
*/
private array $classes = [];
private string $outputDir;
public function __construct(string $outputDir)
{
$this->outputDir = $outputDir;
}
/**
* @return \Closure that will return the root config class
*/
public function build(ConfigurationInterface $configuration): \Closure
{
$this->classes = [];
$rootNode = $configuration->getConfigTreeBuilder()->buildTree();
$rootClass = new ClassBuilder('Symfony\\Config', $rootNode->getName());
$path = $this->getFullPath($rootClass);
if (!is_file($path)) {
// Generate the class if the file not exists
$this->classes[] = $rootClass;
$this->buildNode($rootNode, $rootClass, $this->getSubNamespace($rootClass));
$rootClass->addImplements(ConfigBuilderInterface::class);
$rootClass->addMethod('getExtensionAlias', '
public function NAME(): string
{
return \'ALIAS\';
}', ['ALIAS' => $rootNode->getPath()]);
$this->writeClasses();
}
return function () use ($path, $rootClass) {
require_once $path;
$className = $rootClass->getFqcn();
return new $className();
};
}
private function getFullPath(ClassBuilder $class): string
{
$directory = $this->outputDir.\DIRECTORY_SEPARATOR.$class->getDirectory();
if (!is_dir($directory)) {
@mkdir($directory, 0777, true);
}
return $directory.\DIRECTORY_SEPARATOR.$class->getFilename();
}
private function writeClasses(): void
{
foreach ($this->classes as $class) {
$this->buildConstructor($class);
$this->buildToArray($class);
if ($class->getProperties()) {
$class->addProperty('_usedProperties', null, '[]');
}
$this->buildSetExtraKey($class);
file_put_contents($this->getFullPath($class), $class->build());
}
$this->classes = [];
}
private function buildNode(NodeInterface $node, ClassBuilder $class, string $namespace): void
{
if (!$node instanceof ArrayNode) {
throw new \LogicException('The node was expected to be an ArrayNode. This Configuration includes an edge case not supported yet.');
}
foreach ($node->getChildren() as $child) {
match (true) {
$child instanceof ScalarNode => $this->handleScalarNode($child, $class),
$child instanceof PrototypedArrayNode => $this->handlePrototypedArrayNode($child, $class, $namespace),
$child instanceof VariableNode => $this->handleVariableNode($child, $class),
$child instanceof ArrayNode => $this->handleArrayNode($child, $class, $namespace),
default => throw new \RuntimeException(sprintf('Unknown node "%s".', $child::class)),
};
}
}
private function handleArrayNode(ArrayNode $node, ClassBuilder $class, string $namespace): void
{
$childClass = new ClassBuilder($namespace, $node->getName());
$childClass->setAllowExtraKeys($node->shouldIgnoreExtraKeys());
$class->addRequire($childClass);
$this->classes[] = $childClass;
$hasNormalizationClosures = $this->hasNormalizationClosures($node);
$comment = $this->getComment($node);
if ($hasNormalizationClosures) {
$comment = sprintf(" * @template TValue\n * @param TValue \$value\n%s", $comment);
$comment .= sprintf(' * @return %s|$this'."\n", $childClass->getFqcn());
$comment .= sprintf(' * @psalm-return (TValue is array ? %s : static)'."\n ", $childClass->getFqcn());
}
if ('' !== $comment) {
$comment = "/**\n$comment*/\n";
}
$property = $class->addProperty(
$node->getName(),
$this->getType($childClass->getFqcn(), $hasNormalizationClosures)
);
$nodeTypes = $this->getParameterTypes($node);
$body = $hasNormalizationClosures ? '
COMMENTpublic function NAME(PARAM_TYPE $value = []): CLASS|static
{
if (!\is_array($value)) {
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY = $value;
return $this;
}
if (!$this->PROPERTY instanceof CLASS) {
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY = new CLASS($value);
} elseif (0 < \func_num_args()) {
throw new InvalidConfigurationException(\'The node created by "NAME()" has already been initialized. You cannot pass values the second time you call NAME().\');
}
return $this->PROPERTY;
}' : '
COMMENTpublic function NAME(array $value = []): CLASS
{
if (null === $this->PROPERTY) {
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY = new CLASS($value);
} elseif (0 < \func_num_args()) {
throw new InvalidConfigurationException(\'The node created by "NAME()" has already been initialized. You cannot pass values the second time you call NAME().\');
}
return $this->PROPERTY;
}';
$class->addUse(InvalidConfigurationException::class);
$class->addMethod($node->getName(), $body, [
'COMMENT' => $comment,
'PROPERTY' => $property->getName(),
'CLASS' => $childClass->getFqcn(),
'PARAM_TYPE' => \in_array('mixed', $nodeTypes, true) ? 'mixed' : implode('|', $nodeTypes),
]);
$this->buildNode($node, $childClass, $this->getSubNamespace($childClass));
}
private function handleVariableNode(VariableNode $node, ClassBuilder $class): void
{
$comment = $this->getComment($node);
$property = $class->addProperty($node->getName());
$class->addUse(ParamConfigurator::class);
$body = '
/**
COMMENT *
* @return $this
*/
public function NAME(mixed $valueDEFAULT): static
{
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY = $value;
return $this;
}';
$class->addMethod($node->getName(), $body, [
'PROPERTY' => $property->getName(),
'COMMENT' => $comment,
'DEFAULT' => $node->hasDefaultValue() ? ' = '.var_export($node->getDefaultValue(), true) : '',
]);
}
private function handlePrototypedArrayNode(PrototypedArrayNode $node, ClassBuilder $class, string $namespace): void
{
$name = $this->getSingularName($node);
$prototype = $node->getPrototype();
$methodName = $name;
$hasNormalizationClosures = $this->hasNormalizationClosures($node) || $this->hasNormalizationClosures($prototype);
$nodeParameterTypes = $this->getParameterTypes($node);
$prototypeParameterTypes = $this->getParameterTypes($prototype);
if (!$prototype instanceof ArrayNode || ($prototype instanceof PrototypedArrayNode && $prototype->getPrototype() instanceof ScalarNode)) {
$class->addUse(ParamConfigurator::class);
$property = $class->addProperty($node->getName());
if (null === $key = $node->getKeyAttribute()) {
// This is an array of values; don't use singular name
$nodeTypesWithoutArray = array_filter($nodeParameterTypes, static fn ($type) => 'array' !== $type);
$body = '
/**
* @param ParamConfigurator|list<ParamConfigurator|PROTOTYPE_TYPE>EXTRA_TYPE $value
*
* @return $this
*/
public function NAME(PARAM_TYPE $value): static
{
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY = $value;
return $this;
}';
$class->addMethod($node->getName(), $body, [
'PROPERTY' => $property->getName(),
'PROTOTYPE_TYPE' => implode('|', $prototypeParameterTypes),
'EXTRA_TYPE' => $nodeTypesWithoutArray ? '|'.implode('|', $nodeTypesWithoutArray) : '',
'PARAM_TYPE' => \in_array('mixed', $nodeParameterTypes, true) ? 'mixed' : 'ParamConfigurator|'.implode('|', $nodeParameterTypes),
]);
} else {
$body = '
/**
* @return $this
*/
public function NAME(string $VAR, TYPE $VALUE): static
{
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY[$VAR] = $VALUE;
return $this;
}';
$class->addMethod($methodName, $body, [
'PROPERTY' => $property->getName(),
'TYPE' => \in_array('mixed', $prototypeParameterTypes, true) ? 'mixed' : 'ParamConfigurator|'.implode('|', $prototypeParameterTypes),
'VAR' => '' === $key ? 'key' : $key,
'VALUE' => 'value' === $key ? 'data' : 'value',
]);
}
return;
}
$childClass = new ClassBuilder($namespace, $name);
if ($prototype instanceof ArrayNode) {
$childClass->setAllowExtraKeys($prototype->shouldIgnoreExtraKeys());
}
$class->addRequire($childClass);
$this->classes[] = $childClass;
$property = $class->addProperty(
$node->getName(),
$this->getType($childClass->getFqcn().'[]', $hasNormalizationClosures)
);
$comment = $this->getComment($node);
if ($hasNormalizationClosures) {
$comment = sprintf(" * @template TValue\n * @param TValue \$value\n%s", $comment);
$comment .= sprintf(' * @return %s|$this'."\n", $childClass->getFqcn());
$comment .= sprintf(' * @psalm-return (TValue is array ? %s : static)'."\n ", $childClass->getFqcn());
}
if ('' !== $comment) {
$comment = "/**\n$comment*/\n";
}
if (null === $key = $node->getKeyAttribute()) {
$body = $hasNormalizationClosures ? '
COMMENTpublic function NAME(PARAM_TYPE $value = []): CLASS|static
{
$this->_usedProperties[\'PROPERTY\'] = true;
if (!\is_array($value)) {
$this->PROPERTY[] = $value;
return $this;
}
return $this->PROPERTY[] = new CLASS($value);
}' : '
COMMENTpublic function NAME(array $value = []): CLASS
{
$this->_usedProperties[\'PROPERTY\'] = true;
return $this->PROPERTY[] = new CLASS($value);
}';
$class->addMethod($methodName, $body, [
'COMMENT' => $comment,
'PROPERTY' => $property->getName(),
'CLASS' => $childClass->getFqcn(),
'PARAM_TYPE' => \in_array('mixed', $nodeParameterTypes, true) ? 'mixed' : implode('|', $nodeParameterTypes),
]);
} else {
$body = $hasNormalizationClosures ? '
COMMENTpublic function NAME(string $VAR, PARAM_TYPE $VALUE = []): CLASS|static
{
if (!\is_array($VALUE)) {
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY[$VAR] = $VALUE;
return $this;
}
if (!isset($this->PROPERTY[$VAR]) || !$this->PROPERTY[$VAR] instanceof CLASS) {
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY[$VAR] = new CLASS($VALUE);
} elseif (1 < \func_num_args()) {
throw new InvalidConfigurationException(\'The node created by "NAME()" has already been initialized. You cannot pass values the second time you call NAME().\');
}
return $this->PROPERTY[$VAR];
}' : '
COMMENTpublic function NAME(string $VAR, array $VALUE = []): CLASS
{
if (!isset($this->PROPERTY[$VAR])) {
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY[$VAR] = new CLASS($VALUE);
} elseif (1 < \func_num_args()) {
throw new InvalidConfigurationException(\'The node created by "NAME()" has already been initialized. You cannot pass values the second time you call NAME().\');
}
return $this->PROPERTY[$VAR];
}';
$class->addUse(InvalidConfigurationException::class);
$class->addMethod($methodName, str_replace('$value', '$VAR', $body), [
'COMMENT' => $comment, 'PROPERTY' => $property->getName(),
'CLASS' => $childClass->getFqcn(),
'VAR' => '' === $key ? 'key' : $key,
'VALUE' => 'value' === $key ? 'data' : 'value',
'PARAM_TYPE' => \in_array('mixed', $prototypeParameterTypes, true) ? 'mixed' : implode('|', $prototypeParameterTypes),
]);
}
$this->buildNode($prototype, $childClass, $namespace.'\\'.$childClass->getName());
}
private function handleScalarNode(ScalarNode $node, ClassBuilder $class): void
{
$comment = $this->getComment($node);
$property = $class->addProperty($node->getName());
$class->addUse(ParamConfigurator::class);
$body = '
/**
COMMENT * @return $this
*/
public function NAME($value): static
{
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY = $value;
return $this;
}';
$class->addMethod($node->getName(), $body, ['PROPERTY' => $property->getName(), 'COMMENT' => $comment]);
}
private function getParameterTypes(NodeInterface $node): array
{
$paramTypes = [];
if ($node instanceof BaseNode) {
$types = $node->getNormalizedTypes();
if (\in_array(ExprBuilder::TYPE_ANY, $types, true)) {
$paramTypes[] = 'mixed';
}
if (\in_array(ExprBuilder::TYPE_STRING, $types, true)) {
$paramTypes[] = 'string';
}
}
if ($node instanceof BooleanNode) {
$paramTypes[] = 'bool';
} elseif ($node instanceof IntegerNode) {
$paramTypes[] = 'int';
} elseif ($node instanceof FloatNode) {
$paramTypes[] = 'float';
} elseif ($node instanceof EnumNode) {
$paramTypes[] = 'mixed';
} elseif ($node instanceof ArrayNode) {
$paramTypes[] = 'array';
} elseif ($node instanceof VariableNode) {
$paramTypes[] = 'mixed';
}
return array_unique($paramTypes);
}
private function getComment(BaseNode $node): string
{
$comment = '';
if ('' !== $info = (string) $node->getInfo()) {
$comment .= ' * '.$info."\n";
}
if (!$node instanceof ArrayNode) {
foreach ((array) ($node->getExample() ?? []) as $example) {
$comment .= ' * @example '.$example."\n";
}
if ('' !== $default = $node->getDefaultValue()) {
$comment .= ' * @default '.(null === $default ? 'null' : var_export($default, true))."\n";
}
if ($node instanceof EnumNode) {
$comment .= sprintf(' * @param ParamConfigurator|%s $value', implode('|', array_unique(array_map(fn ($a) => !$a instanceof \UnitEnum ? var_export($a, true) : '\\'.ltrim(var_export($a, true), '\\'), $node->getValues()))))."\n";
} else {
$parameterTypes = $this->getParameterTypes($node);
$comment .= ' * @param ParamConfigurator|'.implode('|', $parameterTypes).' $value'."\n";
}
} else {
foreach ((array) ($node->getExample() ?? []) as $example) {
$comment .= ' * @example '.json_encode($example)."\n";
}
if ($node->hasDefaultValue() && [] != $default = $node->getDefaultValue()) {
$comment .= ' * @default '.json_encode($default)."\n";
}
}
if ($node->isDeprecated()) {
$comment .= ' * @deprecated '.$node->getDeprecation($node->getName(), $node->getParent()->getName())['message']."\n";
}
return $comment;
}
/**
* Pick a good singular name.
*/
private function getSingularName(PrototypedArrayNode $node): string
{
$name = $node->getName();
if (!str_ends_with($name, 's')) {
return $name;
}
$parent = $node->getParent();
$mappings = $parent instanceof ArrayNode ? $parent->getXmlRemappings() : [];
foreach ($mappings as $map) {
if ($map[1] === $name) {
$name = $map[0];
break;
}
}
return $name;
}
private function buildToArray(ClassBuilder $class): void
{
$body = '$output = [];';
foreach ($class->getProperties() as $p) {
$code = '$this->PROPERTY';
if (null !== $p->getType()) {
if ($p->isArray()) {
$code = $p->areScalarsAllowed()
? 'array_map(function ($v) { return $v instanceof CLASS ? $v->toArray() : $v; }, $this->PROPERTY)'
: 'array_map(function ($v) { return $v->toArray(); }, $this->PROPERTY)'
;
} else {
$code = $p->areScalarsAllowed()
? '$this->PROPERTY instanceof CLASS ? $this->PROPERTY->toArray() : $this->PROPERTY'
: '$this->PROPERTY->toArray()'
;
}
}
$body .= strtr('
if (isset($this->_usedProperties[\'PROPERTY\'])) {
$output[\'ORG_NAME\'] = '.$code.';
}', ['PROPERTY' => $p->getName(), 'ORG_NAME' => $p->getOriginalName(), 'CLASS' => $p->getType()]);
}
$extraKeys = $class->shouldAllowExtraKeys() ? ' + $this->_extraKeys' : '';
$class->addMethod('toArray', '
public function NAME(): array
{
'.$body.'
return $output'.$extraKeys.';
}');
}
private function buildConstructor(ClassBuilder $class): void
{
$body = '';
foreach ($class->getProperties() as $p) {
$code = '$value[\'ORG_NAME\']';
if (null !== $p->getType()) {
if ($p->isArray()) {
$code = $p->areScalarsAllowed()
? 'array_map(function ($v) { return \is_array($v) ? new '.$p->getType().'($v) : $v; }, $value[\'ORG_NAME\'])'
: 'array_map(function ($v) { return new '.$p->getType().'($v); }, $value[\'ORG_NAME\'])'
;
} else {
$code = $p->areScalarsAllowed()
? '\is_array($value[\'ORG_NAME\']) ? new '.$p->getType().'($value[\'ORG_NAME\']) : $value[\'ORG_NAME\']'
: 'new '.$p->getType().'($value[\'ORG_NAME\'])'
;
}
}
$body .= strtr('
if (array_key_exists(\'ORG_NAME\', $value)) {
$this->_usedProperties[\'PROPERTY\'] = true;
$this->PROPERTY = '.$code.';
unset($value[\'ORG_NAME\']);
}
', ['PROPERTY' => $p->getName(), 'ORG_NAME' => $p->getOriginalName()]);
}
if ($class->shouldAllowExtraKeys()) {
$body .= '
$this->_extraKeys = $value;
';
} else {
$body .= '
if ([] !== $value) {
throw new InvalidConfigurationException(sprintf(\'The following keys are not supported by "%s": \', __CLASS__).implode(\', \', array_keys($value)));
}';
$class->addUse(InvalidConfigurationException::class);
}
$class->addMethod('__construct', '
public function __construct(array $value = [])
{'.$body.'
}');
}
private function buildSetExtraKey(ClassBuilder $class): void
{
if (!$class->shouldAllowExtraKeys()) {
return;
}
$class->addUse(ParamConfigurator::class);
$class->addProperty('_extraKeys');
$class->addMethod('set', '
/**
* @param ParamConfigurator|mixed $value
*
* @return $this
*/
public function NAME(string $key, mixed $value): static
{
$this->_extraKeys[$key] = $value;
return $this;
}');
}
private function getSubNamespace(ClassBuilder $rootClass): string
{
return sprintf('%s\\%s', $rootClass->getNamespace(), substr($rootClass->getName(), 0, -6));
}
private function hasNormalizationClosures(NodeInterface $node): bool
{
try {
$r = new \ReflectionProperty($node, 'normalizationClosures');
} catch (\ReflectionException) {
return false;
}
$r->setAccessible(true);
return [] !== $r->getValue($node);
}
private function getType(string $classType, bool $hasNormalizationClosures): string
{
return $classType.($hasNormalizationClosures ? '|scalar' : '');
}
}
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