Update to drupal 8.0.0-rc1. For more information, see https://www.drupal.org/node/2582663

vendor/symfony-cmf/routing/Enhancer/FieldByClassEnhancer.php

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+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2014 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing\Enhancer;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * This enhancer sets a field if not yet existing from the class of an object
+ * in another field.
+ *
+ * The comparison is done with instanceof to support proxy classes and such.
+ *
+ * Only works with RouteObjectInterface routes that can return a referenced
+ * content.
+ *
+ * @author David Buchmann
+ */
+class FieldByClassEnhancer implements RouteEnhancerInterface
+{
+    /**
+     * @var string field for the source class
+     */
+    protected $source;
+    /**
+     * @var string field to write hashmap lookup result into
+     */
+    protected $target;
+    /**
+     * @var array containing the mapping between a class name and the target value
+     */
+    protected $map;
+
+    /**
+     * @param string $source the field name of the class
+     * @param string $target the field name to set from the map
+     * @param array  $map    the map of class names to field values
+     */
+    public function __construct($source, $target, $map)
+    {
+        $this->source = $source;
+        $this->target = $target;
+        $this->map = $map;
+    }
+
+    /**
+     * If the source field is instance of one of the entries in the map,
+     * target is set to the value of that map entry.
+     *
+     * {@inheritDoc}
+     */
+    public function enhance(array $defaults, Request $request)
+    {
+        if (isset($defaults[$this->target])) {
+            // no need to do anything
+            return $defaults;
+        }
+
+        if (! isset($defaults[$this->source])) {
+            return $defaults;
+        }
+
+        // we need to loop over the array and do instanceof in case the content
+        // class extends the specified class
+        // i.e. phpcr-odm generates proxy class for the content.
+        foreach ($this->map as $class => $value) {
+            if ($defaults[$this->source] instanceof $class) {
+                // found a matching entry in the map
+                $defaults[$this->target] = $value;
+
+                return $defaults;
+            }
+        }
+
+        return $defaults;
+    }
+}

vendor/symfony-cmf/routing/Enhancer/FieldMapEnhancer.php

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+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2014 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing\Enhancer;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * This enhancer can fill one field with the result of a hashmap lookup of
+ * another field. If the target field is already set, it does nothing.
+ *
+ * @author David Buchmann
+ */
+class FieldMapEnhancer implements RouteEnhancerInterface
+{
+    /**
+     * @var string field for key in hashmap lookup
+     */
+    protected $source;
+    /**
+     * @var string field to write hashmap lookup result into
+     */
+    protected $target;
+    /**
+     * @var array containing the mapping between the source field value and target field value
+     */
+    protected $hashmap;
+
+    /**
+     * @param string $source  the field to read
+     * @param string $target  the field to write the result of the lookup into
+     * @param array  $hashmap for looking up value from source and get value for target
+     */
+    public function __construct($source, $target, array $hashmap)
+    {
+        $this->source = $source;
+        $this->target = $target;
+        $this->hashmap = $hashmap;
+    }
+
+    /**
+     * If the target field is not set but the source field is, map the field
+     *
+     * {@inheritDoc}
+     */
+    public function enhance(array $defaults, Request $request)
+    {
+        if (isset($defaults[$this->target])) {
+            return $defaults;
+        }
+        if (! isset($defaults[$this->source])) {
+            return $defaults;
+        }
+        if (! isset($this->hashmap[$defaults[$this->source]])) {
+            return $defaults;
+        }
+
+        $defaults[$this->target] = $this->hashmap[$defaults[$this->source]];
+
+        return $defaults;
+    }
+}

vendor/symfony-cmf/routing/Enhancer/FieldPresenceEnhancer.php

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+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2014 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing\Enhancer;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * This enhancer sets a field to a fixed value. You can specify a source field
+ * name to only set the target field if the source is present.
+ *
+ * @author David Buchmann
+ */
+class FieldPresenceEnhancer implements RouteEnhancerInterface
+{
+    /**
+     * Field name for the source field that must exist. If null, the target
+     * field is always set if not already present.
+     *
+     * @var string|null
+     */
+    protected $source;
+
+    /**
+     * Field name to write the value into.
+     *
+     * @var string
+     */
+    protected $target;
+
+    /**
+     * Value to set the target field to.
+     *
+     * @var string
+     */
+    private $value;
+
+    /**
+     * @param null|string $source the field name of the class, null to disable the check
+     * @param string      $target the field name to set from the map
+     * @param string      $value  value to set target field to if source field exists
+     */
+    public function __construct($source, $target, $value)
+    {
+        $this->source = $source;
+        $this->target = $target;
+        $this->value = $value;
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function enhance(array $defaults, Request $request)
+    {
+        if (isset($defaults[$this->target])) {
+            // no need to do anything
+            return $defaults;
+        }
+
+        if (null !== $this->source && !isset($defaults[$this->source])) {
+            return $defaults;
+        }
+
+        $defaults[$this->target] = $this->value;
+
+        return $defaults;
+    }
+}

vendor/symfony-cmf/routing/Enhancer/RouteContentEnhancer.php

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+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2014 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing\Enhancer;
+
+use Symfony\Component\HttpFoundation\Request;
+
+use Symfony\Cmf\Component\Routing\RouteObjectInterface;
+
+/**
+ * This enhancer sets the content to target field if the route provides content.
+ *
+ * Only works with RouteObjectInterface routes that can return a referenced
+ * content.
+ *
+ * @author David Buchmann
+ */
+class RouteContentEnhancer implements RouteEnhancerInterface
+{
+    /**
+     * @var string field for the route class
+     */
+    protected $routefield;
+    /**
+     * @var string field to write hashmap lookup result into
+     */
+    protected $target;
+
+    /**
+     * @param string $routefield the field name of the route class
+     * @param string $target     the field name to set from the map
+     * @param array  $hashmap    the map of class names to field values
+     */
+    public function __construct($routefield, $target)
+    {
+        $this->routefield = $routefield;
+        $this->target = $target;
+    }
+
+    /**
+     * If the route has a non-null content and if that content class is in the
+     * injected map, returns that controller.
+     *
+     * {@inheritDoc}
+     */
+    public function enhance(array $defaults, Request $request)
+    {
+        if (isset($defaults[$this->target])) {
+            // no need to do anything
+            return $defaults;
+        }
+
+        if (! isset($defaults[$this->routefield])
+            || ! $defaults[$this->routefield] instanceof RouteObjectInterface
+        ) {
+            // we can't determine the content
+            return $defaults;
+        }
+        /** @var $route RouteObjectInterface */
+        $route = $defaults[$this->routefield];
+
+        $content = $route->getContent();
+        if (! $content) {
+            // we have no content
+            return $defaults;
+        }
+        $defaults[$this->target] = $content;
+
+        return $defaults;
+    }
+}

vendor/symfony-cmf/routing/Enhancer/RouteEnhancerInterface.php

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+<?php
+
+/*
+ * This file is part of the Symfony CMF package.
+ *
+ * (c) 2011-2014 Symfony CMF
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Cmf\Component\Routing\Enhancer;
+
+use Symfony\Component\HttpFoundation\Request;
+
+/**
+ * A route enhancer can change the values in the route data arrays
+ *
+ * This is useful to provide information to the rest of the routing system
+ * that can be inferred from other parameters rather than hardcode that
+ * information in every route.
+ *
+ * @author David Buchmann
+ */
+interface RouteEnhancerInterface
+{
+    /**
+     * Update the defaults based on its own data and the request.
+     *
+     * @param array   $defaults the getRouteDefaults array.
+     * @param Request $request  the Request instance.
+     *
+     * @return array the modified defaults. Each enhancer MUST return the
+     *               $defaults but may add or remove values.
+     */
+    public function enhance(array $defaults, Request $request);
+}