Version 1

[yaffs-website] / vendor / symfony / validator / Mapping / Loader / XmlFileLoader.php

diff --git a/vendor/symfony/validator/Mapping/Loader/XmlFileLoader.php b/vendor/symfony/validator/Mapping/Loader/XmlFileLoader.php
new file mode 100644 (file)
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+++ b/vendor/symfony/validator/Mapping/Loader/XmlFileLoader.php
@@ -0,0 +1,213 @@
+<?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\Config\Util\XmlUtils;
+use Symfony\Component\Validator\Exception\MappingException;
+use Symfony\Component\Validator\Mapping\ClassMetadata;
+
+/**
+ * Loads validation metadata from an XML file.
+ *
+ * @author Bernhard Schussek <bschussek@gmail.com>
+ */
+class XmlFileLoader extends FileLoader
+{
+    /**
+     * The XML nodes of the mapping file.
+     *
+     * @var \SimpleXMLElement[]|null
+     */
+    protected $classes;
+
+    /**
+     * {@inheritdoc}
+     */
+    public function loadClassMetadata(ClassMetadata $metadata)
+    {
+        if (null === $this->classes) {
+            // This method may throw an exception. Do not modify the class'
+            // state before it completes
+            $xml = $this->parseFile($this->file);
+
+            $this->classes = array();
+
+            foreach ($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()])) {
+            $classDescription = $this->classes[$metadata->getClassName()];
+
+            $this->loadClassMetadataFromXml($metadata, $classDescription);
+
+            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) {
+                $options = XmlUtils::phpize(trim($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;
+    }
+
+    /**
+     * Loads the XML class descriptions from the given file.
+     *
+     * @param string $path The path of the XML file
+     *
+     * @return \SimpleXMLElement The class descriptions
+     *
+     * @throws MappingException If the file could not be loaded
+     */
+    protected function parseFile($path)
+    {
+        try {
+            $dom = XmlUtils::loadFile($path, __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);
+    }
+
+    private function loadClassMetadataFromXml(ClassMetadata $metadata, \SimpleXMLElement $classDescription)
+    {
+        if (count($classDescription->{'group-sequence-provider'}) > 0) {
+            $metadata->setGroupSequenceProvider(true);
+        }
+
+        foreach ($classDescription->{'group-sequence'} as $groupSequence) {
+            if (count($groupSequence->value) > 0) {
+                $metadata->setGroupSequence($this->parseValues($groupSequence[0]->value));
+            }
+        }
+
+        foreach ($this->parseConstraints($classDescription->constraint) as $constraint) {
+            $metadata->addConstraint($constraint);
+        }
+
+        foreach ($classDescription->property as $property) {
+            foreach ($this->parseConstraints($property->constraint) as $constraint) {
+                $metadata->addPropertyConstraint((string) $property['name'], $constraint);
+            }
+        }
+
+        foreach ($classDescription->getter as $getter) {
+            foreach ($this->parseConstraints($getter->constraint) as $constraint) {
+                $metadata->addGetterConstraint((string) $getter['property'], $constraint);
+            }
+        }
+    }
+}