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doctrine2/lib/Doctrine/ORM/Mapping/Driver/XmlDriver.php

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<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.doctrine-project.org>.
*/
namespace Doctrine\ORM\Mapping\Driver;
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use SimpleXMLElement,
Doctrine\ORM\Mapping\ClassMetadataInfo,
Doctrine\ORM\Mapping\MappingException;
/**
* XmlDriver is a metadata driver that enables mapping through XML files.
*
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.doctrine-project.org
* @since 2.0
* @version $Revision$
* @author Benjamin Eberlei <kontakt@beberlei.de>
* @author Guilherme Blanco <guilhermeblanco@hotmail.com>
* @author Jonathan H. Wage <jonwage@gmail.com>
* @author Roman Borschel <roman@code-factory.org>
*/
class XmlDriver extends AbstractFileDriver
{
/**
* {@inheritdoc}
*/
protected $_fileExtension = '.dcm.xml';
/**
* {@inheritdoc}
*/
public function loadMetadataForClass($className, ClassMetadataInfo $metadata)
{
$xmlRoot = $this->getElement($className);
if ($xmlRoot->getName() == 'entity') {
$metadata->setCustomRepositoryClass(
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isset($xmlRoot['repository-class']) ? (string)$xmlRoot['repository-class'] : null
);
} else if ($xmlRoot->getName() == 'mapped-superclass') {
$metadata->isMappedSuperclass = true;
} else {
throw MappingException::classIsNotAValidEntityOrMappedSuperClass($className);
}
// Evaluate <entity...> attributes
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$table = array();
if (isset($xmlRoot['table'])) {
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$table['name'] = (string)$xmlRoot['table'];
}
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$metadata->setPrimaryTable($table);
/* not implemented specially anyway. use table = schema.table
if (isset($xmlRoot['schema'])) {
$metadata->table['schema'] = (string)$xmlRoot['schema'];
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}*/
if (isset($xmlRoot['inheritance-type'])) {
$inheritanceType = (string)$xmlRoot['inheritance-type'];
$metadata->setInheritanceType(constant('Doctrine\ORM\Mapping\ClassMetadata::INHERITANCE_TYPE_' . $inheritanceType));
if ($metadata->inheritanceType != \Doctrine\ORM\Mapping\ClassMetadata::INHERITANCE_TYPE_NONE) {
// Evaluate <discriminator-column...>
if (isset($xmlRoot->{'discriminator-column'})) {
$discrColumn = $xmlRoot->{'discriminator-column'};
$metadata->setDiscriminatorColumn(array(
'name' => (string)$discrColumn['name'],
'type' => (string)$discrColumn['type'],
'length' => (string)$discrColumn['length']
));
} else {
throw MappingException::missingDiscriminatorColumn($className);
}
// Evaluate <discriminator-map...>
if (isset($xmlRoot->{'discriminator-map'})) {
$map = array();
foreach ($xmlRoot->{'discriminator-map'}->{'discriminator-mapping'} AS $discrMapElement) {
$map[(string)$discrMapElement['value']] = (string)$discrMapElement['class'];
}
$metadata->setDiscriminatorMap($map);
} else {
throw MappingException::missingDiscriminatorMap($className);
}
}
}
// Evaluate <change-tracking-policy...>
if (isset($xmlRoot['change-tracking-policy'])) {
$metadata->setChangeTrackingPolicy(constant('Doctrine\ORM\Mapping\ClassMetadata::CHANGETRACKING_'
. strtoupper((string)$xmlRoot['change-tracking-policy'])));
}
// Evaluate <indexes...>
if (isset($xmlRoot->indexes)) {
$metadata->table['indexes'] = array();
foreach ($xmlRoot->indexes->index as $index) {
$columns = explode(',', (string)$index['columns']);
if (isset($index['name'])) {
$metadata->table['indexes'][(string)$index['name']] = array(
'columns' => $columns
);
} else {
$metadata->table['indexes'][] = array(
'columns' => $columns
);
}
}
}
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// Evaluate <unique-constraints..>
if (isset($xmlRoot->{'unique-constraints'})) {
$metadata->table['uniqueConstraints'] = array();
foreach ($xmlRoot->{'unique-constraints'}->{'unique-constraint'} as $unique) {
$columns = explode(',', (string)$unique['columns']);
if (isset($unique['name'])) {
$metadata->table['uniqueConstraints'][(string)$unique['name']] = array(
'columns' => $columns
);
} else {
$metadata->table['uniqueConstraints'][] = array(
'columns' => $columns
);
}
}
}
// Evaluate <field ...> mappings
if (isset($xmlRoot->field)) {
foreach ($xmlRoot->field as $fieldMapping) {
$mapping = array(
'fieldName' => (string)$fieldMapping['name'],
'type' => (string)$fieldMapping['type']
);
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if (isset($fieldMapping['column'])) {
$mapping['columnName'] = (string)$fieldMapping['column'];
}
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if (isset($fieldMapping['length'])) {
$mapping['length'] = (int)$fieldMapping['length'];
}
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if (isset($fieldMapping['precision'])) {
$mapping['precision'] = (int)$fieldMapping['precision'];
}
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if (isset($fieldMapping['scale'])) {
$mapping['scale'] = (int)$fieldMapping['scale'];
}
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if (isset($fieldMapping['unique'])) {
$mapping['unique'] = ((string)$fieldMapping['unique'] == "false") ? false : true;
}
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if (isset($fieldMapping['options'])) {
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$mapping['options'] = (array)$fieldMapping['options'];
}
if (isset($fieldMapping['nullable'])) {
$mapping['nullable'] = ((string)$fieldMapping['nullable'] == "false") ? false : true;
}
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if (isset($fieldMapping['version']) && $fieldMapping['version']) {
$metadata->setVersionMapping($mapping);
}
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if (isset($fieldMapping['column-definition'])) {
$mapping['columnDefinition'] = (string)$fieldMapping['column-definition'];
}
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$metadata->mapField($mapping);
}
}
// Evaluate <id ...> mappings
foreach ($xmlRoot->id as $idElement) {
$mapping = array(
'id' => true,
'fieldName' => (string)$idElement['name'],
'type' => (string)$idElement['type']
);
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if (isset($idElement['column'])) {
$mapping['columnName'] = (string)$idElement['column'];
}
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$metadata->mapField($mapping);
if (isset($idElement->generator)) {
$strategy = isset($idElement->generator['strategy']) ?
(string)$idElement->generator['strategy'] : 'AUTO';
$metadata->setIdGeneratorType(constant('Doctrine\ORM\Mapping\ClassMetadata::GENERATOR_TYPE_'
. $strategy));
}
// Check for SequenceGenerator/TableGenerator definition
if (isset($idElement->{'sequence-generator'})) {
$seqGenerator = $idElement->{'sequence-generator'};
$metadata->setSequenceGeneratorDefinition(array(
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'sequenceName' => (string)$seqGenerator['sequence-name'],
'allocationSize' => (string)$seqGenerator['allocation-size'],
'initialValue' => (string)$seqGenerator['initial-value']
));
} else if (isset($idElement->{'table-generator'})) {
throw MappingException::tableIdGeneratorNotImplemented($className);
}
}
// Evaluate <one-to-one ...> mappings
if (isset($xmlRoot->{'one-to-one'})) {
foreach ($xmlRoot->{'one-to-one'} as $oneToOneElement) {
$mapping = array(
'fieldName' => (string)$oneToOneElement['field'],
'targetEntity' => (string)$oneToOneElement['target-entity']
);
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if (isset($oneToOneElement['fetch'])) {
$mapping['fetch'] = constant('Doctrine\ORM\Mapping\ClassMetadata::FETCH_' . (string)$oneToOneElement['fetch']);
}
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if (isset($oneToOneElement['mapped-by'])) {
$mapping['mappedBy'] = (string)$oneToOneElement['mapped-by'];
} else {
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if (isset($oneToOneElement['inversed-by'])) {
$mapping['inversedBy'] = (string)$oneToOneElement['inversed-by'];
}
$joinColumns = array();
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if (isset($oneToOneElement->{'join-column'})) {
$joinColumns[] = $this->_getJoinColumnMapping($oneToOneElement->{'join-column'});
} else if (isset($oneToOneElement->{'join-columns'})) {
foreach ($oneToOneElement->{'join-columns'}->{'join-column'} as $joinColumnElement) {
$joinColumns[] = $this->_getJoinColumnMapping($joinColumnElement);
}
}
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$mapping['joinColumns'] = $joinColumns;
}
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if (isset($oneToOneElement->cascade)) {
$mapping['cascade'] = $this->_getCascadeMappings($oneToOneElement->cascade);
}
if (isset($oneToOneElement->{'orphan-removal'})) {
$mapping['orphanRemoval'] = (bool)$oneToOneElement->{'orphan-removal'};
}
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$metadata->mapOneToOne($mapping);
}
}
// Evaluate <one-to-many ...> mappings
if (isset($xmlRoot->{'one-to-many'})) {
foreach ($xmlRoot->{'one-to-many'} as $oneToManyElement) {
$mapping = array(
'fieldName' => (string)$oneToManyElement['field'],
'targetEntity' => (string)$oneToManyElement['target-entity'],
'mappedBy' => (string)$oneToManyElement['mapped-by']
);
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if (isset($oneToManyElement['fetch'])) {
$mapping['fetch'] = constant('Doctrine\ORM\Mapping\ClassMetadata::FETCH_' . (string)$oneToManyElement['fetch']);
}
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if (isset($oneToManyElement->cascade)) {
$mapping['cascade'] = $this->_getCascadeMappings($oneToManyElement->cascade);
}
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if (isset($oneToManyElement->{'orphan-removal'})) {
$mapping['orphanRemoval'] = (bool)$oneToManyElement->{'orphan-removal'};
}
if (isset($oneToManyElement->{'order-by'})) {
$orderBy = array();
foreach ($oneToManyElement->{'order-by'}->{'order-by-field'} AS $orderByField) {
$orderBy[(string)$orderByField['name']] = (string)$orderByField['direction'];
}
$mapping['orderBy'] = $orderBy;
}
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$metadata->mapOneToMany($mapping);
}
}
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// Evaluate <many-to-one ...> mappings
if (isset($xmlRoot->{'many-to-one'})) {
foreach ($xmlRoot->{'many-to-one'} as $manyToOneElement) {
$mapping = array(
'fieldName' => (string)$manyToOneElement['field'],
'targetEntity' => (string)$manyToOneElement['target-entity']
);
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if (isset($manyToOneElement['fetch'])) {
$mapping['fetch'] = constant('Doctrine\ORM\Mapping\ClassMetadata::FETCH_' . (string)$manyToOneElement['fetch']);
}
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if (isset($manyToOneElement['inversed-by'])) {
$mapping['inversedBy'] = (string)$manyToOneElement['inversed-by'];
}
$joinColumns = array();
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if (isset($manyToOneElement->{'join-column'})) {
$joinColumns[] = $this->_getJoinColumnMapping($manyToOneElement->{'join-column'});
} else if (isset($manyToOneElement->{'join-columns'})) {
foreach ($manyToOneElement->{'join-columns'}->{'join-column'} as $joinColumnElement) {
if (!isset($joinColumnElement['name'])) {
$joinColumnElement['name'] = $name;
}
$joinColumns[] = $this->_getJoinColumnMapping($joinColumnElement);
}
}
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$mapping['joinColumns'] = $joinColumns;
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if (isset($manyToOneElement->cascade)) {
$mapping['cascade'] = $this->_getCascadeMappings($manyToOneElement->cascade);
}
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if (isset($manyToOneElement->{'orphan-removal'})) {
$mapping['orphanRemoval'] = (bool)$manyToOneElement->{'orphan-removal'};
}
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$metadata->mapManyToOne($mapping);
}
}
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// Evaluate <many-to-many ...> mappings
if (isset($xmlRoot->{'many-to-many'})) {
foreach ($xmlRoot->{'many-to-many'} as $manyToManyElement) {
$mapping = array(
'fieldName' => (string)$manyToManyElement['field'],
'targetEntity' => (string)$manyToManyElement['target-entity']
);
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if (isset($manyToManyElement['fetch'])) {
$mapping['fetch'] = constant('Doctrine\ORM\Mapping\ClassMetadata::FETCH_' . (string)$manyToManyElement['fetch']);
}
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if (isset($manyToManyElement['mapped-by'])) {
$mapping['mappedBy'] = (string)$manyToManyElement['mapped-by'];
} else if (isset($manyToManyElement->{'join-table'})) {
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if (isset($manyToManyElement['inversed-by'])) {
$mapping['inversedBy'] = (string)$manyToManyElement['inversed-by'];
}
$joinTableElement = $manyToManyElement->{'join-table'};
$joinTable = array(
'name' => (string)$joinTableElement['name']
);
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if (isset($joinTableElement['schema'])) {
$joinTable['schema'] = (string)$joinTableElement['schema'];
}
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foreach ($joinTableElement->{'join-columns'}->{'join-column'} as $joinColumnElement) {
$joinTable['joinColumns'][] = $this->_getJoinColumnMapping($joinColumnElement);
}
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foreach ($joinTableElement->{'inverse-join-columns'}->{'join-column'} as $joinColumnElement) {
$joinTable['inverseJoinColumns'][] = $this->_getJoinColumnMapping($joinColumnElement);
}
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$mapping['joinTable'] = $joinTable;
}
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if (isset($manyToManyElement->cascade)) {
$mapping['cascade'] = $this->_getCascadeMappings($manyToManyElement->cascade);
}
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if (isset($manyToManyElement->{'orphan-removal'})) {
$mapping['orphanRemoval'] = (bool)$manyToManyElement->{'orphan-removal'};
}
if (isset($manyToManyElement->{'order-by'})) {
$orderBy = array();
foreach ($manyToManyElement->{'order-by'}->{'order-by-field'} AS $orderByField) {
$orderBy[(string)$orderByField['name']] = (string)$orderByField['direction'];
}
$mapping['orderBy'] = $orderBy;
}
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$metadata->mapManyToMany($mapping);
}
}
// Evaluate <lifecycle-callbacks...>
if (isset($xmlRoot->{'lifecycle-callbacks'})) {
foreach ($xmlRoot->{'lifecycle-callbacks'}->{'lifecycle-callback'} as $lifecycleCallback) {
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$metadata->addLifecycleCallback((string)$lifecycleCallback['method'], constant('Doctrine\ORM\Events::' . (string)$lifecycleCallback['type']));
}
}
}
/**
* Constructs a joinColumn mapping array based on the information
* found in the given SimpleXMLElement.
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*
* @param $joinColumnElement The XML element.
* @return array The mapping array.
*/
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private function _getJoinColumnMapping(SimpleXMLElement $joinColumnElement)
{
$joinColumn = array(
'name' => (string)$joinColumnElement['name'],
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'referencedColumnName' => (string)$joinColumnElement['referenced-column-name']
);
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if (isset($joinColumnElement['unique'])) {
$joinColumn['unique'] = ((string)$joinColumnElement['unique'] == "false") ? false : true;
}
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if (isset($joinColumnElement['nullable'])) {
$joinColumn['nullable'] = ((string)$joinColumnElement['nullable'] == "false") ? false : true;
}
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if (isset($joinColumnElement['on-delete'])) {
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$joinColumn['onDelete'] = (string)$joinColumnElement['on-delete'];
}
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if (isset($joinColumnElement['on-update'])) {
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$joinColumn['onUpdate'] = (string)$joinColumnElement['on-update'];
}
if (isset($joinColumnElement['column-definition'])) {
$joinColumn['columnDefinition'] = (string)$joinColumnElement['column-definition'];
}
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return $joinColumn;
}
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/**
* Gathers a list of cascade options found in the given cascade element.
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*
* @param $cascadeElement The cascade element.
* @return array The list of cascade options.
*/
private function _getCascadeMappings($cascadeElement)
{
$cascades = array();
foreach ($cascadeElement->children() as $action) {
// According to the JPA specifications, XML uses "cascade-persist"
// instead of "persist". Here, both variations
// are supported because both YAML and Annotation use "persist"
// and we want to make sure that this driver doesn't need to know
// anything about the supported cascading actions
$cascades[] = str_replace('cascade-', '', $action->getName());
}
return $cascades;
}
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/**
* {@inheritdoc}
*/
protected function _loadMappingFile($file)
{
$result = array();
$xmlElement = simplexml_load_file($file);
if (isset($xmlElement->entity)) {
foreach ($xmlElement->entity as $entityElement) {
$entityName = (string)$entityElement['name'];
$result[$entityName] = $entityElement;
}
} else if (isset($xmlElement->{'mapped-superclass'})) {
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foreach ($xmlElement->{'mapped-superclass'} as $mappedSuperClass) {
$className = (string)$mappedSuperClass['name'];
$result[$className] = $mappedSuperClass;
}
}
return $result;
}
}