--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,330 @@
+<?php
+
+namespace Symfony\Component\Serializer\Encoder;
+
+use Symfony\Component\Serializer\SerializerInterface;
+use Symfony\Component\Serializer\Exception\UnexpectedValueException;
+
+/*
+ * This file is part of the Symfony framework.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * This source file is subject to the MIT license that is bundled
+ * with this source code in the file LICENSE.
+ */
+
+/**
+ * Encodes XML data
+ *
+ * @author Jordi Boggiano <j.boggiano@seld.be>
+ * @author John Wards <jwards@whiteoctober.co.uk>
+ * @author Fabian Vogler <fabian@equivalence.ch>
+ */
+class XmlEncoder extends SerializerAwareEncoder implements EncoderInterface, DecoderInterface, NormalizationAwareInterface
+{
+ private $dom;
+ private $format;
+ private $rootNodeName = 'response';
+
+ /**
+ * {@inheritdoc}
+ */
+ public function encode($data, $format)
+ {
+ if ($data instanceof \DOMDocument) {
+ return $data->saveXML();
+ }
+
+ $this->dom = new \DOMDocument();
+ $this->format = $format;
+
+ if (null !== $data && !is_scalar($data)) {
+ $root = $this->dom->createElement($this->rootNodeName);
+ $this->dom->appendChild($root);
+ $this->buildXml($root, $data);
+ } else {
+ $this->appendNode($this->dom, $data, $this->rootNodeName);
+ }
+
+ return $this->dom->saveXML();
+ }
+
+ /**
+ * {@inheritdoc}
+ */
+ public function decode($data, $format)
+ {
+ $xml = simplexml_load_string($data);
+ if (!$xml->count()) {
+ if (!$xml->attributes()) {
+ return (string) $xml;
+ }
+ $data = array();
+ foreach ($xml->attributes() as $attrkey => $attr) {
+ $data['@'.$attrkey] = (string) $attr;
+ }
+ $data['#'] = (string) $xml;
+
+ return $data;
+ }
+
+ return $this->parseXml($xml);
+ }
+
+ /**
+ * Sets the root node name
+ * @param string $name root node name
+ */
+ public function setRootNodeName($name)
+ {
+ $this->rootNodeName = $name;
+ }
+
+ /**
+ * Returns the root node name
+ * @return string
+ */
+ public function getRootNodeName()
+ {
+ return $this->rootNodeName;
+ }
+
+ /**
+ * @param DOMNode $node
+ * @param string $val
+ * @return Boolean
+ */
+ final protected function appendXMLString($node, $val)
+ {
+ if (strlen($val) > 0) {
+ $frag = $this->dom->createDocumentFragment();
+ $frag->appendXML($val);
+ $node->appendChild($frag);
+
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * @param DOMNode $node
+ * @param string $val
+ * @return Boolean
+ */
+ final protected function appendText($node, $val)
+ {
+ $nodeText = $this->dom->createTextNode($val);
+ $node->appendChild($nodeText);
+
+ return true;
+ }
+
+ /**
+ * @param DOMNode $node
+ * @param string $val
+ * @return Boolean
+ */
+ final protected function appendCData($node, $val)
+ {
+ $nodeText = $this->dom->createCDATASection($val);
+ $node->appendChild($nodeText);
+
+ return true;
+ }
+
+ /**
+ * @param DOMNode $node
+ * @param DOMDocumentFragment $fragment
+ * @return Boolean
+ */
+ final protected function appendDocumentFragment($node, $fragment)
+ {
+ if ($fragment instanceof \DOMDocumentFragment) {
+ $node->appendChild($fragment);
+
+ return true;
+ }
+
+ return false;
+ }
+
+ /**
+ * Checks the name is a valid xml element name
+ * @param string $name
+ * @return Boolean
+ */
+ final protected function isElementNameValid($name)
+ {
+ return $name &&
+ false === strpos($name, ' ') &&
+ preg_match('#^[\pL_][\pL0-9._-]*$#ui', $name);
+ }
+
+ /**
+ * Parse the input SimpleXmlElement into an array
+ *
+ * @param SimpleXmlElement $node xml to parse
+ * @return array
+ */
+ private function parseXml($node)
+ {
+ $data = array();
+ if ($node->attributes()) {
+ foreach ($node->attributes() as $attrkey => $attr) {
+ $data['@'.$attrkey] = (string) $attr;
+ }
+ }
+ foreach ($node->children() as $key => $subnode) {
+ if ($subnode->count()) {
+ $value = $this->parseXml($subnode);
+ } elseif ($subnode->attributes()) {
+ $value = array();
+ foreach ($subnode->attributes() as $attrkey => $attr) {
+ $value['@'.$attrkey] = (string) $attr;
+ }
+ $value['#'] = (string) $subnode;
+ } else {
+ $value = (string) $subnode;
+ }
+
+ if ($key === 'item') {
+ if (isset($value['@key'])) {
+ $data[(string)$value['@key']] = $value['#'];
+ } elseif (isset($data['item'])) {
+ $tmp = $data['item'];
+ unset($data['item']);
+ $data[] = $tmp;
+ $data[] = $value;
+ }
+ } elseif (key_exists($key, $data)) {
+ if ((false === is_array($data[$key])) || (false === isset($data[$key][0]))) {
+ $data[$key] = array($data[$key]);
+ }
+ $data[$key][] = $value;
+ } else {
+ $data[$key] = $value;
+ }
+ }
+
+ return $data;
+ }
+
+ /**
+ * Parse the data and convert it to DOMElements
+ *
+ * @param DOMNode $parentNode
+ * @param array|object $data data
+ * @return Boolean
+ */
+ private function buildXml($parentNode, $data)
+ {
+ $append = true;
+
+ if (is_array($data) || $data instanceof \Traversable) {
+ foreach ($data as $key => $data) {
+ //Ah this is the magic @ attribute types.
+ if (0 === strpos($key, "@") && is_scalar($data) && $this->isElementNameValid($attributeName = substr($key,1))) {
+ $parentNode->setAttribute($attributeName, $data);
+ } elseif ($key === '#') {
+ $append = $this->selectNodeType($parentNode, $data);
+ } elseif (is_array($data) && false === is_numeric($key)) {
+ /**
+ * Is this array fully numeric keys?
+ */
+ if (ctype_digit(implode('', array_keys($data)))) {
+ /**
+ * Create nodes to append to $parentNode based on the $key of this array
+ * Produces <xml><item>0</item><item>1</item></xml>
+ * From array("item" => array(0,1));
+ */
+ foreach ($data as $subData) {
+ $append = $this->appendNode($parentNode, $subData, $key);
+ }
+ } else {
+ $append = $this->appendNode($parentNode, $data, $key);
+ }
+ } elseif (is_numeric($key) || !$this->isElementNameValid($key)) {
+ $append = $this->appendNode($parentNode, $data, "item", $key);
+ } else {
+ $append = $this->appendNode($parentNode, $data, $key);
+ }
+ }
+
+ return $append;
+ }
+ if (is_object($data)) {
+ $data = $this->serializer->normalize($data, $this->format);
+ if (null !== $data && !is_scalar($data)) {
+ return $this->buildXml($parentNode, $data);
+ }
+ // top level data object was normalized into a scalar
+ if (!$parentNode->parentNode->parentNode) {
+ $root = $parentNode->parentNode;
+ $root->removeChild($parentNode);
+
+ return $this->appendNode($root, $data, $this->rootNodeName);
+ }
+
+ return $this->appendNode($parentNode, $data, 'data');
+ }
+ throw new UnexpectedValueException('An unexpected value could not be serialized: '.var_export($data, true));
+ }
+
+ /**
+ * Selects the type of node to create and appends it to the parent.
+ *
+ * @param DOMNode $parentNode
+ * @param array|object $data
+ * @param string $nodename
+ * @param string $key
+ * @return Boolean
+ */
+ private function appendNode($parentNode, $data, $nodeName, $key = null)
+ {
+ $node = $this->dom->createElement($nodeName);
+ if (null !== $key) {
+ $node->setAttribute('key', $key);
+ }
+ $appendNode = $this->selectNodeType($node, $data);
+ // we may have decided not to append this node, either in error or if its $nodeName is not valid
+ if ($appendNode) {
+ $parentNode->appendChild($node);
+ }
+
+ return $appendNode;
+ }
+
+ /**
+ * Tests the value being passed and decide what sort of element to create
+ *
+ * @param DOMNode $node
+ * @param mixed $val
+ * @return Boolean
+ */
+ private function selectNodeType($node, $val)
+ {
+ if (is_array($val)) {
+ return $this->buildXml($node, $val);
+ } elseif ($val instanceof \SimpleXMLElement) {
+ $child = $this->dom->importNode(dom_import_simplexml($val), true);
+ $node->appendChild($child);
+ } elseif ($val instanceof \Traversable) {
+ $this->buildXml($node, $val);
+ } elseif (is_object($val)) {
+ return $this->buildXml($node, $this->serializer->normalize($val, $this->format));
+ } elseif (is_numeric($val)) {
+ return $this->appendText($node, (string) $val);
+ } elseif (is_string($val)) {
+ return $this->appendCData($node, $val);
+ } elseif (is_bool($val)) {
+ return $this->appendText($node, (int) $val);
+ } elseif ($val instanceof \DOMNode) {
+ $child = $this->dom->importNode($val, true);
+ $node->appendChild($child);
+ }
+
+ return true;
+ }
+}