Viewing file:  XmlFileLoader.php (5.8 KB) -rw-r--r--
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<?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\Validator\Mapping\Loader;
use Symfony\Component\Validator\Exception\MappingException;
use Symfony\Component\Validator\Mapping\ClassMetadata;
use Symfony\Component\Config\Util\XmlUtils;
class XmlFileLoader extends FileLoader
{
/**
* An array of SimpleXMLElement instances.
*
* @var \SimpleXMLElement[]
*/
protected $classes = null;
/**
* {@inheritDoc}
*/
public function loadClassMetadata(ClassMetadata $metadata)
{
if (null === $this->classes) {
$this->classes = array();
$xml = $this->parseFile($this->file);
foreach ($xml->namespace as $namespace) {
$this->addNamespaceAlias((string) $namespace['prefix'], trim((string) $namespace));
}
foreach ($xml->class as $class) {
$this->classes[(string) $class['name']] = $class;
}
}
if (isset($this->classes[$metadata->getClassName()])) {
$xml = $this->classes[$metadata->getClassName()];
foreach ($xml->{'group-sequence-provider'} as $provider) {
$metadata->setGroupSequenceProvider(true);
}
foreach ($xml->{'group-sequence'} as $groupSequence) {
if (count($groupSequence->value) > 0) {
$metadata->setGroupSequence($this->parseValues($groupSequence[0]->value));
}
}
foreach ($this->parseConstraints($xml->constraint) as $constraint) {
$metadata->addConstraint($constraint);
}
foreach ($xml->property as $property) {
foreach ($this->parseConstraints($property->constraint) as $constraint) {
$metadata->addPropertyConstraint((string) $property['name'], $constraint);
}
}
foreach ($xml->getter as $getter) {
foreach ($this->parseConstraints($getter->constraint) as $constraint) {
$metadata->addGetterConstraint((string) $getter['property'], $constraint);
}
}
return true;
}
return false;
}
/**
* Parses a collection of "constraint" XML nodes.
*
* @param \SimpleXMLElement $nodes The XML nodes
*
* @return array The Constraint instances
*/
protected function parseConstraints(\SimpleXMLElement $nodes)
{
$constraints = array();
foreach ($nodes as $node) {
if (count($node) > 0) {
if (count($node->value) > 0) {
$options = $this->parseValues($node->value);
} elseif (count($node->constraint) > 0) {
$options = $this->parseConstraints($node->constraint);
} elseif (count($node->option) > 0) {
$options = $this->parseOptions($node->option);
} else {
$options = array();
}
} elseif (strlen((string) $node) > 0) {
$options = trim($node);
} else {
$options = null;
}
$constraints[] = $this->newConstraint((string) $node['name'], $options);
}
return $constraints;
}
/**
* Parses a collection of "value" XML nodes.
*
* @param \SimpleXMLElement $nodes The XML nodes
*
* @return array The values
*/
protected function parseValues(\SimpleXMLElement $nodes)
{
$values = array();
foreach ($nodes as $node) {
if (count($node) > 0) {
if (count($node->value) > 0) {
$value = $this->parseValues($node->value);
} elseif (count($node->constraint) > 0) {
$value = $this->parseConstraints($node->constraint);
} else {
$value = array();
}
} else {
$value = trim($node);
}
if (isset($node['key'])) {
$values[(string) $node['key']] = $value;
} else {
$values[] = $value;
}
}
return $values;
}
/**
* Parses a collection of "option" XML nodes.
*
* @param \SimpleXMLElement $nodes The XML nodes
*
* @return array The options
*/
protected function parseOptions(\SimpleXMLElement $nodes)
{
$options = array();
foreach ($nodes as $node) {
if (count($node) > 0) {
if (count($node->value) > 0) {
$value = $this->parseValues($node->value);
} elseif (count($node->constraint) > 0) {
$value = $this->parseConstraints($node->constraint);
} else {
$value = array();
}
} else {
$value = XmlUtils::phpize($node);
if (is_string($value)) {
$value = trim($value);
}
}
$options[(string) $node['name']] = $value;
}
return $options;
}
/**
* Parse a XML File.
*
* @param string $file Path of file
*
* @return \SimpleXMLElement
*
* @throws MappingException
*/
protected function parseFile($file)
{
try {
$dom = XmlUtils::loadFile($file, __DIR__.'/schema/dic/constraint-mapping/constraint-mapping-1.0.xsd');
} catch (\Exception $e) {
throw new MappingException($e->getMessage(), $e->getCode(), $e);
}
return simplexml_import_dom($dom);
}
}
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