Move into nested docroot
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Rob Davies
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Validator\Mapping\Loader;
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use Symfony\Component\Config\Util\XmlUtils;
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use Symfony\Component\Validator\Exception\MappingException;
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use Symfony\Component\Validator\Mapping\ClassMetadata;
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/**
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* Loads validation metadata from an XML file.
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*
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* @author Bernhard Schussek <bschussek@gmail.com>
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*/
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class XmlFileLoader extends FileLoader
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{
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/**
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* The XML nodes of the mapping file.
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*
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* @var \SimpleXMLElement[]|null
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*/
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protected $classes;
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/**
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* {@inheritdoc}
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*/
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public function loadClassMetadata(ClassMetadata $metadata)
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{
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if (null === $this->classes) {
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// This method may throw an exception. Do not modify the class'
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// state before it completes
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$xml = $this->parseFile($this->file);
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$this->classes = array();
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foreach ($xml->namespace as $namespace) {
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$this->addNamespaceAlias((string) $namespace['prefix'], trim((string) $namespace));
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}
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foreach ($xml->class as $class) {
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$this->classes[(string) $class['name']] = $class;
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}
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}
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if (isset($this->classes[$metadata->getClassName()])) {
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$classDescription = $this->classes[$metadata->getClassName()];
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$this->loadClassMetadataFromXml($metadata, $classDescription);
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return true;
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}
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return false;
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}
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/**
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* Parses a collection of "constraint" XML nodes.
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*
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* @param \SimpleXMLElement $nodes The XML nodes
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*
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* @return array The Constraint instances
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*/
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protected function parseConstraints(\SimpleXMLElement $nodes)
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{
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$constraints = array();
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foreach ($nodes as $node) {
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if (count($node) > 0) {
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if (count($node->value) > 0) {
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$options = $this->parseValues($node->value);
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} elseif (count($node->constraint) > 0) {
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$options = $this->parseConstraints($node->constraint);
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} elseif (count($node->option) > 0) {
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$options = $this->parseOptions($node->option);
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} else {
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$options = array();
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}
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} elseif (strlen((string) $node) > 0) {
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$options = XmlUtils::phpize(trim($node));
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} else {
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$options = null;
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}
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$constraints[] = $this->newConstraint((string) $node['name'], $options);
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}
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return $constraints;
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}
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/**
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* Parses a collection of "value" XML nodes.
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*
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* @param \SimpleXMLElement $nodes The XML nodes
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*
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* @return array The values
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*/
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protected function parseValues(\SimpleXMLElement $nodes)
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{
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$values = array();
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foreach ($nodes as $node) {
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if (count($node) > 0) {
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if (count($node->value) > 0) {
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$value = $this->parseValues($node->value);
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} elseif (count($node->constraint) > 0) {
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$value = $this->parseConstraints($node->constraint);
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} else {
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$value = array();
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}
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} else {
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$value = trim($node);
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}
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if (isset($node['key'])) {
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$values[(string) $node['key']] = $value;
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} else {
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$values[] = $value;
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}
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}
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return $values;
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}
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/**
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* Parses a collection of "option" XML nodes.
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*
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* @param \SimpleXMLElement $nodes The XML nodes
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*
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* @return array The options
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*/
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protected function parseOptions(\SimpleXMLElement $nodes)
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{
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$options = array();
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foreach ($nodes as $node) {
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if (count($node) > 0) {
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if (count($node->value) > 0) {
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$value = $this->parseValues($node->value);
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} elseif (count($node->constraint) > 0) {
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$value = $this->parseConstraints($node->constraint);
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} else {
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$value = array();
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}
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} else {
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$value = XmlUtils::phpize($node);
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if (is_string($value)) {
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$value = trim($value);
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}
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}
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$options[(string) $node['name']] = $value;
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}
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return $options;
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}
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/**
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* Loads the XML class descriptions from the given file.
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*
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* @param string $path The path of the XML file
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*
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* @return \SimpleXMLElement The class descriptions
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*
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* @throws MappingException If the file could not be loaded
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*/
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protected function parseFile($path)
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{
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try {
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$dom = XmlUtils::loadFile($path, __DIR__.'/schema/dic/constraint-mapping/constraint-mapping-1.0.xsd');
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} catch (\Exception $e) {
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throw new MappingException($e->getMessage(), $e->getCode(), $e);
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}
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return simplexml_import_dom($dom);
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}
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private function loadClassMetadataFromXml(ClassMetadata $metadata, \SimpleXMLElement $classDescription)
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{
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if (count($classDescription->{'group-sequence-provider'}) > 0) {
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$metadata->setGroupSequenceProvider(true);
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}
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foreach ($classDescription->{'group-sequence'} as $groupSequence) {
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if (count($groupSequence->value) > 0) {
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$metadata->setGroupSequence($this->parseValues($groupSequence[0]->value));
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}
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}
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foreach ($this->parseConstraints($classDescription->constraint) as $constraint) {
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$metadata->addConstraint($constraint);
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}
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foreach ($classDescription->property as $property) {
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foreach ($this->parseConstraints($property->constraint) as $constraint) {
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$metadata->addPropertyConstraint((string) $property['name'], $constraint);
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}
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}
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foreach ($classDescription->getter as $getter) {
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foreach ($this->parseConstraints($getter->constraint) as $constraint) {
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$metadata->addGetterConstraint((string) $getter['property'], $constraint);
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}
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}
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}
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}
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