--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/vendor/symfony/src/Symfony/Component/DependencyInjection/Loader/XmlFileLoader.php Sat Sep 24 15:40:41 2011 +0200
@@ -0,0 +1,510 @@
+<?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\DependencyInjection\Loader;
+
+use Symfony\Component\DependencyInjection\DefinitionDecorator;
+
+use Symfony\Component\DependencyInjection\ContainerInterface;
+use Symfony\Component\DependencyInjection\Alias;
+use Symfony\Component\DependencyInjection\Definition;
+use Symfony\Component\DependencyInjection\Reference;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\SimpleXMLElement;
+use Symfony\Component\Config\Resource\FileResource;
+
+/**
+ * XmlFileLoader loads XML files service definitions.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class XmlFileLoader extends FileLoader
+{
+ /**
+ * Loads an XML file.
+ *
+ * @param mixed $file The resource
+ * @param string $type The resource type
+ */
+ public function load($file, $type = null)
+ {
+ $path = $this->locator->locate($file);
+
+ $xml = $this->parseFile($path);
+ $xml->registerXPathNamespace('container', 'http://symfony.com/schema/dic/services');
+
+ $this->container->addResource(new FileResource($path));
+
+ // anonymous services
+ $xml = $this->processAnonymousServices($xml, $path);
+
+ // imports
+ $this->parseImports($xml, $path);
+
+ // parameters
+ $this->parseParameters($xml, $path);
+
+ // extensions
+ $this->loadFromExtensions($xml);
+
+ // services
+ $this->parseDefinitions($xml, $path);
+ }
+
+ /**
+ * Returns true if this class supports the given resource.
+ *
+ * @param mixed $resource A resource
+ * @param string $type The resource type
+ *
+ * @return Boolean true if this class supports the given resource, false otherwise
+ */
+ public function supports($resource, $type = null)
+ {
+ return is_string($resource) && 'xml' === pathinfo($resource, PATHINFO_EXTENSION);
+ }
+
+ /**
+ * Parses parameters
+ *
+ * @param SimpleXMLElement $xml
+ * @param string $file
+ * @return void
+ */
+ private function parseParameters(SimpleXMLElement $xml, $file)
+ {
+ if (!$xml->parameters) {
+ return;
+ }
+
+ $this->container->getParameterBag()->add($xml->parameters->getArgumentsAsPhp('parameter'));
+ }
+
+ /**
+ * Parses imports
+ *
+ * @param SimpleXMLElement $xml
+ * @param string $file
+ * @return void
+ */
+ private function parseImports(SimpleXMLElement $xml, $file)
+ {
+ if (false === $imports = $xml->xpath('//container:imports/container:import')) {
+ return;
+ }
+
+ foreach ($imports as $import) {
+ $this->setCurrentDir(dirname($file));
+ $this->import((string) $import['resource'], null, (Boolean) $import->getAttributeAsPhp('ignore-errors'), $file);
+ }
+ }
+
+ /**
+ * Parses multiple definitions
+ *
+ * @param SimpleXMLElement $xml
+ * @param string $file
+ * @return void
+ */
+ private function parseDefinitions(SimpleXMLElement $xml, $file)
+ {
+ if (false === $services = $xml->xpath('//container:services/container:service')) {
+ return;
+ }
+
+ foreach ($services as $service) {
+ $this->parseDefinition((string) $service['id'], $service, $file);
+ }
+ }
+
+ /**
+ * Parses an individual Definition
+ *
+ * @param string $id
+ * @param SimpleXMLElement $service
+ * @param string $file
+ * @return void
+ */
+ private function parseDefinition($id, $service, $file)
+ {
+ if ((string) $service['alias']) {
+ $public = true;
+ if (isset($service['public'])) {
+ $public = $service->getAttributeAsPhp('public');
+ }
+ $this->container->setAlias($id, new Alias((string) $service['alias'], $public));
+
+ return;
+ }
+
+ if (isset($service['parent'])) {
+ $definition = new DefinitionDecorator((string) $service['parent']);
+ } else {
+ $definition = new Definition();
+ }
+
+ foreach (array('class', 'scope', 'public', 'factory-class', 'factory-method', 'factory-service', 'synthetic', 'abstract') as $key) {
+ if (isset($service[$key])) {
+ $method = 'set'.str_replace('-', '', $key);
+ $definition->$method((string) $service->getAttributeAsPhp($key));
+ }
+ }
+
+ if ($service->file) {
+ $definition->setFile((string) $service->file);
+ }
+
+ $definition->setArguments($service->getArgumentsAsPhp('argument'));
+ $definition->setProperties($service->getArgumentsAsPhp('property'));
+
+ if (isset($service->configurator)) {
+ if (isset($service->configurator['function'])) {
+ $definition->setConfigurator((string) $service->configurator['function']);
+ } else {
+ if (isset($service->configurator['service'])) {
+ $class = new Reference((string) $service->configurator['service'], ContainerInterface::EXCEPTION_ON_INVALID_REFERENCE, false);
+ } else {
+ $class = (string) $service->configurator['class'];
+ }
+
+ $definition->setConfigurator(array($class, (string) $service->configurator['method']));
+ }
+ }
+
+ foreach ($service->call as $call) {
+ $definition->addMethodCall((string) $call['method'], $call->getArgumentsAsPhp('argument'));
+ }
+
+ foreach ($service->tag as $tag) {
+ $parameters = array();
+ foreach ($tag->attributes() as $name => $value) {
+ if ('name' === $name) {
+ continue;
+ }
+
+ $parameters[$name] = SimpleXMLElement::phpize($value);
+ }
+
+ $definition->addTag((string) $tag['name'], $parameters);
+ }
+
+ $this->container->setDefinition($id, $definition);
+ }
+
+ /**
+ * Parses a XML file.
+ *
+ * @param string $file Path to a file
+ * @throws \InvalidArgumentException When loading of XML file returns error
+ */
+ private function parseFile($file)
+ {
+ $dom = new \DOMDocument();
+ libxml_use_internal_errors(true);
+ if (!$dom->load($file, LIBXML_COMPACT)) {
+ throw new \InvalidArgumentException(implode("\n", $this->getXmlErrors()));
+ }
+ $dom->validateOnParse = true;
+ $dom->normalizeDocument();
+ libxml_use_internal_errors(false);
+ $this->validate($dom, $file);
+
+ return simplexml_import_dom($dom, 'Symfony\\Component\\DependencyInjection\\SimpleXMLElement');
+ }
+
+ /**
+ * Processes anonymous services
+ *
+ * @param SimpleXMLElement $xml
+ * @param string $file
+ * @return array An array of anonymous services
+ */
+ private function processAnonymousServices(SimpleXMLElement $xml, $file)
+ {
+ $definitions = array();
+ $count = 0;
+
+ // anonymous services as arguments
+ if (false === $nodes = $xml->xpath('//container:argument[@type="service"][not(@id)]')) {
+ return $xml;
+ }
+ foreach ($nodes as $node) {
+ // give it a unique name
+ $node['id'] = sprintf('%s_%d', md5($file), ++$count);
+
+ $definitions[(string) $node['id']] = array($node->service, $file, false);
+ $node->service['id'] = (string) $node['id'];
+ }
+
+ // anonymous services "in the wild"
+ if (false === $nodes = $xml->xpath('//container:services/container:service[not(@id)]')) {
+ return $xml;
+ }
+ foreach ($nodes as $node) {
+ // give it a unique name
+ $node['id'] = sprintf('%s_%d', md5($file), ++$count);
+
+ $definitions[(string) $node['id']] = array($node, $file, true);
+ $node->service['id'] = (string) $node['id'];
+ }
+
+ // resolve definitions
+ krsort($definitions);
+ foreach ($definitions as $id => $def) {
+ // anonymous services are always private
+ $def[0]['public'] = false;
+
+ $this->parseDefinition($id, $def[0], $def[1]);
+
+ $oNode = dom_import_simplexml($def[0]);
+ if (true === $def[2]) {
+ $nNode = new \DOMElement('_services');
+ $oNode->parentNode->replaceChild($nNode, $oNode);
+ $nNode->setAttribute('id', $id);
+ } else {
+ $oNode->parentNode->removeChild($oNode);
+ }
+ }
+
+ return $xml;
+ }
+
+ /**
+ * Validates an XML document.
+ *
+ * @param DOMDocument $dom
+ * @param string $file
+ */
+ private function validate(\DOMDocument $dom, $file)
+ {
+ $this->validateSchema($dom, $file);
+ $this->validateExtensions($dom, $file);
+ }
+
+ /**
+ * Validates a documents XML schema.
+ *
+ * @param \DOMDocument $dom
+ * @param string $file
+ * @return void
+ *
+ * @throws \RuntimeException When extension references a non-existent XSD file
+ * @throws \InvalidArgumentException When xml doesn't validate its xsd schema
+ */
+ private function validateSchema(\DOMDocument $dom, $file)
+ {
+ $schemaLocations = array('http://symfony.com/schema/dic/services' => str_replace('\\', '/', __DIR__.'/schema/dic/services/services-1.0.xsd'));
+
+ if ($element = $dom->documentElement->getAttributeNS('http://www.w3.org/2001/XMLSchema-instance', 'schemaLocation')) {
+ $items = preg_split('/\s+/', $element);
+ for ($i = 0, $nb = count($items); $i < $nb; $i += 2) {
+ if (!$this->container->hasExtension($items[$i])) {
+ continue;
+ }
+
+ if (($extension = $this->container->getExtension($items[$i])) && false !== $extension->getXsdValidationBasePath()) {
+ $path = str_replace($extension->getNamespace(), str_replace('\\', '/', $extension->getXsdValidationBasePath()).'/', $items[$i + 1]);
+
+ if (!file_exists($path)) {
+ throw new \RuntimeException(sprintf('Extension "%s" references a non-existent XSD file "%s"', get_class($extension), $path));
+ }
+
+ $schemaLocations[$items[$i]] = $path;
+ }
+ }
+ }
+
+ $tmpfiles = array();
+ $imports = '';
+ foreach ($schemaLocations as $namespace => $location) {
+ $parts = explode('/', $location);
+ if (preg_match('#^phar://#i', $location)) {
+ $tmpfile = tempnam(sys_get_temp_dir(), 'sf2');
+ if ($tmpfile) {
+ file_put_contents($tmpfile, file_get_contents($location));
+ $tmpfiles[] = $tmpfile;
+ $parts = explode('/', str_replace('\\', '/', $tmpfile));
+ }
+ }
+ $drive = '\\' === DIRECTORY_SEPARATOR ? array_shift($parts).'/' : '';
+ $location = 'file:///'.$drive.implode('/', array_map('rawurlencode', $parts));
+
+ $imports .= sprintf(' <xsd:import namespace="%s" schemaLocation="%s" />'."\n", $namespace, $location);
+ }
+
+ $source = <<<EOF
+<?xml version="1.0" encoding="utf-8" ?>
+<xsd:schema xmlns="http://symfony.com/schema"
+ xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+ targetNamespace="http://symfony.com/schema"
+ elementFormDefault="qualified">
+
+ <xsd:import namespace="http://www.w3.org/XML/1998/namespace"/>
+$imports
+</xsd:schema>
+EOF
+ ;
+
+ $current = libxml_use_internal_errors(true);
+ $valid = $dom->schemaValidateSource($source);
+ foreach ($tmpfiles as $tmpfile) {
+ @unlink($tmpfile);
+ }
+ if (!$valid) {
+ throw new \InvalidArgumentException(implode("\n", $this->getXmlErrors()));
+ }
+ libxml_use_internal_errors($current);
+ }
+
+ /**
+ * Validates an extension.
+ *
+ * @param \DOMDocument $dom
+ * @param string $file
+ * @return void
+ *
+ * @throws \InvalidArgumentException When non valid tag are found or no extension are found
+ */
+ private function validateExtensions(\DOMDocument $dom, $file)
+ {
+ foreach ($dom->documentElement->childNodes as $node) {
+ if (!$node instanceof \DOMElement || 'http://symfony.com/schema/dic/services' === $node->namespaceURI) {
+ continue;
+ }
+
+ // can it be handled by an extension?
+ if (!$this->container->hasExtension($node->namespaceURI)) {
+ $extensionNamespaces = array_filter(array_map(function ($ext) { return $ext->getNamespace(); }, $this->container->getExtensions()));
+ throw new \InvalidArgumentException(sprintf(
+ 'There is no extension able to load the configuration for "%s" (in %s). Looked for namespace "%s", found %s',
+ $node->tagName,
+ $file,
+ $node->namespaceURI,
+ $extensionNamespaces ? sprintf('"%s"', implode('", "', $extensionNamespaces)) : 'none'
+ ));
+ }
+ }
+ }
+
+ /**
+ * Returns an array of XML errors.
+ *
+ * @return array
+ */
+ private function getXmlErrors()
+ {
+ $errors = array();
+ foreach (libxml_get_errors() as $error) {
+ $errors[] = sprintf('[%s %s] %s (in %s - line %d, column %d)',
+ LIBXML_ERR_WARNING == $error->level ? 'WARNING' : 'ERROR',
+ $error->code,
+ trim($error->message),
+ $error->file ? $error->file : 'n/a',
+ $error->line,
+ $error->column
+ );
+ }
+
+ libxml_clear_errors();
+
+ return $errors;
+ }
+
+ /**
+ * Loads from an extension.
+ *
+ * @param SimpleXMLElement $xml
+ * @return void
+ */
+ private function loadFromExtensions(SimpleXMLElement $xml)
+ {
+ foreach (dom_import_simplexml($xml)->childNodes as $node) {
+ if (!$node instanceof \DOMElement || $node->namespaceURI === 'http://symfony.com/schema/dic/services') {
+ continue;
+ }
+
+ $values = static::convertDomElementToArray($node);
+ if (!is_array($values)) {
+ $values = array();
+ }
+
+ $this->container->loadFromExtension($node->namespaceURI, $values);
+ }
+ }
+
+ /**
+ * Converts a \DomElement object to a PHP array.
+ *
+ * The following rules applies during the conversion:
+ *
+ * * Each tag is converted to a key value or an array
+ * if there is more than one "value"
+ *
+ * * The content of a tag is set under a "value" key (<foo>bar</foo>)
+ * if the tag also has some nested tags
+ *
+ * * The attributes are converted to keys (<foo foo="bar"/>)
+ *
+ * * The nested-tags are converted to keys (<foo><foo>bar</foo></foo>)
+ *
+ * @param \DomElement $element A \DomElement instance
+ *
+ * @return array A PHP array
+ */
+ static public function convertDomElementToArray(\DomElement $element)
+ {
+ $empty = true;
+ $config = array();
+ foreach ($element->attributes as $name => $node) {
+ $config[$name] = SimpleXMLElement::phpize($node->value);
+ $empty = false;
+ }
+
+ $nodeValue = false;
+ foreach ($element->childNodes as $node) {
+ if ($node instanceof \DOMText) {
+ if (trim($node->nodeValue)) {
+ $nodeValue = trim($node->nodeValue);
+ $empty = false;
+ }
+ } elseif (!$node instanceof \DOMComment) {
+ if ($node instanceof \DOMElement && '_services' === $node->nodeName) {
+ $value = new Reference($node->getAttribute('id'));
+ } else {
+ $value = static::convertDomElementToArray($node);
+ }
+
+ $key = $node->localName;
+ if (isset($config[$key])) {
+ if (!is_array($config[$key]) || !is_int(key($config[$key]))) {
+ $config[$key] = array($config[$key]);
+ }
+ $config[$key][] = $value;
+ } else {
+ $config[$key] = $value;
+ }
+
+ $empty = false;
+ }
+ }
+
+ if (false !== $nodeValue) {
+ $value = SimpleXMLElement::phpize($nodeValue);
+ if (count($config)) {
+ $config['value'] = $value;
+ } else {
+ $config = $value;
+ }
+ }
+
+ return !$empty ? $config : null;
+ }
+}