From 9b677f2ff365e29c3cf6f64efcc9637030e8d2cd Mon Sep 17 00:00:00 2001
From: Guilhem N <egetick@gmail.com>
Date: Thu, 29 Dec 2016 15:31:10 +0100
Subject: [PATCH] Re-add symfony 2.8 support

---
 .../Compiler/AddDescribersPass.php            |  1 -
 .../Compiler/AddRouteDescribersPass.php       |  1 -
 .../Compiler/PriorityTaggedServiceTrait.php   | 55 +++++++++++++++++++
 composer.json                                 | 16 +++---
 4 files changed, 63 insertions(+), 10 deletions(-)
 create mode 100644 DependencyInjection/Compiler/PriorityTaggedServiceTrait.php

diff --git a/DependencyInjection/Compiler/AddDescribersPass.php b/DependencyInjection/Compiler/AddDescribersPass.php
index 1d6df09..ff7173d 100644
--- a/DependencyInjection/Compiler/AddDescribersPass.php
+++ b/DependencyInjection/Compiler/AddDescribersPass.php
@@ -12,7 +12,6 @@
 namespace Nelmio\ApiDocBundle\DependencyInjection\Compiler;
 
 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
-use Symfony\Component\DependencyInjection\Compiler\PriorityTaggedServiceTrait;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 
 class AddDescribersPass implements CompilerPassInterface
diff --git a/DependencyInjection/Compiler/AddRouteDescribersPass.php b/DependencyInjection/Compiler/AddRouteDescribersPass.php
index d1b3e23..0e0ec19 100644
--- a/DependencyInjection/Compiler/AddRouteDescribersPass.php
+++ b/DependencyInjection/Compiler/AddRouteDescribersPass.php
@@ -12,7 +12,6 @@
 namespace Nelmio\ApiDocBundle\DependencyInjection\Compiler;
 
 use Symfony\Component\DependencyInjection\Compiler\CompilerPassInterface;
-use Symfony\Component\DependencyInjection\Compiler\PriorityTaggedServiceTrait;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 
 class AddRouteDescribersPass implements CompilerPassInterface
diff --git a/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php b/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
new file mode 100644
index 0000000..1d7f7e2
--- /dev/null
+++ b/DependencyInjection/Compiler/PriorityTaggedServiceTrait.php
@@ -0,0 +1,55 @@
+<?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 Nelmio\ApiDocBundle\DependencyInjection\Compiler;
+
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\Reference;
+
+/**
+ * Trait that allows a generic method to find and sort service by priority option in the tag.
+ *
+ * @author Iltar van der Berg <kjarli@gmail.com>
+ *
+ * @internal extracted from Symfony, to keep sf 2.8 support.
+ */
+trait PriorityTaggedServiceTrait
+{
+    /**
+     * Finds all services with the given tag name and order them by their priority.
+     *
+     * The order of additions must be respected for services having the same priority,
+     * and knowing that the \SplPriorityQueue class does not respect the FIFO method,
+     * we should not use this class.
+     *
+     * @see https://bugs.php.net/bug.php?id=53710
+     * @see https://bugs.php.net/bug.php?id=60926
+     *
+     * @param string           $tagName
+     * @param ContainerBuilder $container
+     *
+     * @return Reference[]
+     */
+    private function findAndSortTaggedServices($tagName, ContainerBuilder $container)
+    {
+        $services = array();
+        foreach ($container->findTaggedServiceIds($tagName) as $serviceId => $tags) {
+            foreach ($tags as $attributes) {
+                $priority = isset($attributes['priority']) ? $attributes['priority'] : 0;
+                $services[$priority][] = new Reference($serviceId);
+            }
+        }
+        if ($services) {
+            krsort($services);
+            $services = call_user_func_array('array_merge', $services);
+        }
+        return $services;
+    }
+}
diff --git a/composer.json b/composer.json
index a97db83..e508fd0 100644
--- a/composer.json
+++ b/composer.json
@@ -16,17 +16,17 @@
     ],
     "require": {
         "php": "~7.0|~7.1",
-        "symfony/framework-bundle": "^3.2",
+        "symfony/framework-bundle": "^2.8|^3.0",
         "exsyst/swagger": "~0.2.2"
     },
     "require-dev": {
-        "symfony/twig-bundle": "^3.2",
-        "symfony/console": "^3.2",
-        "symfony/config": "^3.2",
-        "symfony/validator": "^3.2",
-        "symfony/property-access": "^3.2",
-        "symfony/browser-kit": "^3.2",
-        "symfony/cache": "^3.2",
+        "symfony/twig-bundle": "^2.8|^3.0",
+        "symfony/console": "^2.8|^3.0",
+        "symfony/config": "^2.8|^3.0",
+        "symfony/validator": "^2.8|^3.0",
+        "symfony/property-access": "^2.8|^3.0",
+        "symfony/browser-kit": "^2.8|^3.0",
+        "symfony/cache": "^3.1",
         "symfony/phpunit-bridge": "^3.2",
         "sensio/framework-extra-bundle": "^3.0",
         "phpunit/phpunit": "^5.4",