- Patch #1178246 by Crell: added Symfony2 HttpFoundation library to core.

COPYRIGHT.txt

@@ -23,3 +23,4 @@ license, including:
 
   jQuery - Copyright (c) 2008 - 2009 John Resig
 
+  Symfony2 - Copyright (c) 2004 - 2011 Fabien Potencier

includes/Symfony/Component/ClassLoader/ApcUniversalClassLoader.php

+<?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\ClassLoader;
+
+/**
+ * ApcUniversalClassLoader implements a "universal" autoloader cached in APC for PHP 5.3.
+ *
+ * It is able to load classes that use either:
+ *
+ *  * The technical interoperability standards for PHP 5.3 namespaces and
+ *    class names (http://groups.google.com/group/php-standards/web/psr-0-final-proposal);
+ *
+ *  * The PEAR naming convention for classes (http://pear.php.net/).
+ *
+ * Classes from a sub-namespace or a sub-hierarchy of PEAR classes can be
+ * looked for in a list of locations to ease the vendoring of a sub-set of
+ * classes for large projects.
+ *
+ * Example usage:
+ *
+ *     require 'vendor/symfony/src/Symfony/Component/ClassLoader/UniversalClassLoader.php';
+ *     require 'vendor/symfony/src/Symfony/Component/ClassLoader/ApcUniversalClassLoader.php';
+ *
+ *     use Symfony\Component\ClassLoader\ApcUniversalClassLoader;
+ *
+ *     $loader = new ApcUniversalClassLoader('apc.prefix.');
+ *
+ *     // register classes with namespaces
+ *     $loader->registerNamespaces(array(
+ *         'Symfony\Component' => __DIR__.'/component',
+ *         'Symfony'           => __DIR__.'/framework',
+ *         'Sensio'            => array(__DIR__.'/src', __DIR__.'/vendor'),
+ *     ));
+ *
+ *     // register a library using the PEAR naming convention
+ *     $loader->registerPrefixes(array(
+ *         'Swift_' => __DIR__.'/Swift',
+ *     ));
+ *
+ *     // activate the autoloader
+ *     $loader->register();
+ *
+ * In this example, if you try to use a class in the Symfony\Component
+ * namespace or one of its children (Symfony\Component\Console for instance),
+ * the autoloader will first look for the class under the component/
+ * directory, and it will then fallback to the framework/ directory if not
+ * found before giving up.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Kris Wallsmith <kris@symfony.com>
+ *
+ * @api
+ */
+class ApcUniversalClassLoader extends UniversalClassLoader
+{
+    private $prefix;
+
+    /**
+     * Constructor.
+     *
+     * @param string $prefix A prefix to create a namespace in APC
+     *
+     * @api
+     */
+    public function __construct($prefix)
+    {
+        if (!extension_loaded('apc')) {
+            throw new \RuntimeException('Unable to use ApcUniversalClassLoader as APC is not enabled.');
+        }
+
+        $this->prefix = $prefix;
+    }
+
+    /**
+     * Finds a file by class name while caching lookups to APC.
+     *
+     * @param string $class A class name to resolve to file
+     */
+    public function findFile($class)
+    {
+        if (false === $file = apc_fetch($this->prefix.$class)) {
+            apc_store($this->prefix.$class, $file = parent::findFile($class));
+        }
+
+        return $file;
+    }
+}

includes/Symfony/Component/ClassLoader/ClassCollectionLoader.php

+<?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\ClassLoader;
+
+/**
+ * ClassCollectionLoader.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ClassCollectionLoader
+{
+    static private $loaded;
+
+    /**
+     * Loads a list of classes and caches them in one big file.
+     *
+     * @param array   $classes    An array of classes to load
+     * @param string  $cacheDir   A cache directory
+     * @param string  $name       The cache name prefix
+     * @param Boolean $autoReload Whether to flush the cache when the cache is stale or not
+     * @param Boolean $adaptive   Whether to remove already declared classes or not
+     * @param string  $extension  File extension of the resulting file
+     *
+     * @throws \InvalidArgumentException When class can't be loaded
+     */
+    static public function load($classes, $cacheDir, $name, $autoReload, $adaptive = false, $extension = '.php')
+    {
+        // each $name can only be loaded once per PHP process
+        if (isset(self::$loaded[$name])) {
+            return;
+        }
+
+        self::$loaded[$name] = true;
+
+        if ($adaptive) {
+            // don't include already declared classes
+            $classes = array_diff($classes, get_declared_classes(), get_declared_interfaces());
+
+            // the cache is different depending on which classes are already declared
+            $name = $name.'-'.substr(md5(implode('|', $classes)), 0, 5);
+        }
+
+        $cache = $cacheDir.'/'.$name.$extension;
+
+        // auto-reload
+        $reload = false;
+        if ($autoReload) {
+            $metadata = $cacheDir.'/'.$name.$extension.'.meta';
+            if (!file_exists($metadata) || !file_exists($cache)) {
+                $reload = true;
+            } else {
+                $time = filemtime($cache);
+                $meta = unserialize(file_get_contents($metadata));
+
+                if ($meta[1] != $classes) {
+                    $reload = true;
+                } else {
+                    foreach ($meta[0] as $resource) {
+                        if (!file_exists($resource) || filemtime($resource) > $time) {
+                            $reload = true;
+
+                            break;
+                        }
+                    }
+                }
+            }
+        }
+
+        if (!$reload && file_exists($cache)) {
+            require_once $cache;
+
+            return;
+        }
+
+        $files = array();
+        $content = '';
+        foreach ($classes as $class) {
+            if (!class_exists($class) && !interface_exists($class) && (!function_exists('trait_exists') || !trait_exists($class))) {
+                throw new \InvalidArgumentException(sprintf('Unable to load class "%s"', $class));
+            }
+
+            $r = new \ReflectionClass($class);
+            $files[] = $r->getFileName();
+
+            $c = preg_replace(array('/^\s*<\?php/', '/\?>\s*$/'), '', file_get_contents($r->getFileName()));
+
+            // add namespace declaration for global code
+            if (!$r->inNamespace()) {
+                $c = "\nnamespace\n{\n".self::stripComments($c)."\n}\n";
+            } else {
+                $c = self::fixNamespaceDeclarations('<?php '.$c);
+                $c = preg_replace('/^\s*<\?php/', '', $c);
+            }
+
+            $content .= $c;
+        }
+
+        // cache the core classes
+        if (!is_dir(dirname($cache))) {
+            mkdir(dirname($cache), 0777, true);
+        }
+        self::writeCacheFile($cache, '<?php '.$content);
+
+        if ($autoReload) {
+            // save the resources
+            self::writeCacheFile($metadata, serialize(array($files, $classes)));
+        }
+    }
+
+    /**
+     * Adds brackets around each namespace if it's not already the case.
+     *
+     * @param string $source Namespace string
+     *
+     * @return string Namespaces with brackets
+     */
+    static public function fixNamespaceDeclarations($source)
+    {
+        if (!function_exists('token_get_all')) {
+            return $source;
+        }
+
+        $output = '';
+        $inNamespace = false;
+        $tokens = token_get_all($source);
+
+        for ($i = 0, $max = count($tokens); $i < $max; $i++) {
+            $token = $tokens[$i];
+            if (is_string($token)) {
+                $output .= $token;
+            } elseif (in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
+                // strip comments
+                continue;
+            } elseif (T_NAMESPACE === $token[0]) {
+                if ($inNamespace) {
+                    $output .= "}\n";
+                }
+                $output .= $token[1];
+
+                // namespace name and whitespaces
+                while (($t = $tokens[++$i]) && is_array($t) && in_array($t[0], array(T_WHITESPACE, T_NS_SEPARATOR, T_STRING))) {
+                    $output .= $t[1];
+                }
+                if (is_string($t) && '{' === $t) {
+                    $inNamespace = false;
+                    --$i;
+                } else {
+                    $output .= "\n{";
+                    $inNamespace = true;
+                }
+            } else {
+                $output .= $token[1];
+            }
+        }
+
+        if ($inNamespace) {
+            $output .= "}\n";
+        }
+
+        return $output;
+    }
+
+    /**
+     * Writes a cache file.
+     *
+     * @param string $file Filename
+     * @param string $content Temporary file content
+     *
+     * @throws \RuntimeException when a cache file cannot be written
+     */
+    static private function writeCacheFile($file, $content)
+    {
+        $tmpFile = tempnam(dirname($file), basename($file));
+        if (false !== @file_put_contents($tmpFile, $content) && @rename($tmpFile, $file)) {
+            chmod($file, 0644);
+
+            return;
+        }
+
+        throw new \RuntimeException(sprintf('Failed to write cache file "%s".', $file));
+    }
+
+    /**
+     * Removes comments from a PHP source string.
+     *
+     * We don't use the PHP php_strip_whitespace() function
+     * as we want the content to be readable and well-formatted.
+     *
+     * @param string $source A PHP string
+     *
+     * @return string The PHP string with the comments removed
+     */
+    static private function stripComments($source)
+    {
+        if (!function_exists('token_get_all')) {
+            return $source;
+        }
+
+        $output = '';
+        foreach (token_get_all($source) as $token) {
+            if (is_string($token)) {
+                $output .= $token;
+            } elseif (!in_array($token[0], array(T_COMMENT, T_DOC_COMMENT))) {
+                $output .= $token[1];
+            }
+        }
+
+        // replace multiple new lines with a single newline
+        $output = preg_replace(array('/\s+$/Sm', '/\n+/S'), "\n", $output);
+
+        return $output;
+    }
+}

includes/Symfony/Component/ClassLoader/DebugUniversalClassLoader.php

+<?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\ClassLoader;
+
+/**
+ * Checks that the class is actually declared in the included file.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class DebugUniversalClassLoader extends UniversalClassLoader
+{
+    /**
+     * Replaces all regular UniversalClassLoader instances by a DebugUniversalClassLoader ones.
+     */
+    static public function enable()
+    {
+        if (!is_array($functions = spl_autoload_functions())) {
+            return;
+        }
+
+        foreach ($functions as $function) {
+            spl_autoload_unregister($function);
+        }
+
+        foreach ($functions as $function) {
+            if (is_array($function) && $function[0] instanceof UniversalClassLoader) {
+                $loader = new static();
+                $loader->registerNamespaceFallbacks($function[0]->getNamespaceFallbacks());
+                $loader->registerPrefixFallbacks($function[0]->getPrefixFallbacks());
+                $loader->registerNamespaces($function[0]->getNamespaces());
+                $loader->registerPrefixes($function[0]->getPrefixes());
+
+                $function[0] = $loader;
+            }
+
+            spl_autoload_register($function);
+        }
+    }
+
+    /**
+     * {@inheritDoc}
+     */
+    public function loadClass($class)
+    {
+        if ($file = $this->findFile($class)) {
+            require $file;
+
+            if (!class_exists($class, false) && !interface_exists($class, false) && (!function_exists('trait_exists') || !trait_exists($class, false))) {
+                throw new \RuntimeException(sprintf('The autoloader expected class "%s" to be defined in file "%s". The file was found but the class was not in it, the class name or namespace probably has a typo.', $class, $file));
+            }
+        }
+    }
+}

includes/Symfony/Component/ClassLoader/LICENSE

+Copyright (c) 2004-2011 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.

includes/Symfony/Component/ClassLoader/MapClassLoader.php

+<?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\ClassLoader;
+
+/**
+ * A class loader that uses a mapping file to look up paths.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class MapClassLoader
+{
+    private $map = array();
+
+    /**
+     * Constructor.
+     *
+     * @param array $map A map where keys are classes and values the absolute file path
+     */
+    public function __construct(array $map)
+    {
+        $this->map = $map;
+    }
+
+    /**
+     * Registers this instance as an autoloader.
+     *
+     * @param Boolean $prepend Whether to prepend the autoloader or not
+     */
+    public function register($prepend = false)
+    {
+        spl_autoload_register(array($this, 'loadClass'), true, $prepend);
+    }
+
+    /**
+     * Loads the given class or interface.
+     *
+     * @param string $class The name of the class
+     */
+    public function loadClass($class)
+    {
+        if ('\\' === $class[0]) {
+            $class = substr($class, 1);
+        }
+
+        if (isset($this->map[$class])) {
+            require $this->map[$class];
+        }
+    }
+
+    /**
+     * Finds the path to the file where the class is defined.
+     *
+     * @param string $class The name of the class
+     *
+     * @return string|null The path, if found
+     */
+    public function findFile($class)
+    {
+        if ('\\' === $class[0]) {
+            $class = substr($class, 1);
+        }
+
+        if (isset($this->map[$class])) {
+            return $this->map[$class];
+        }
+    }
+}

includes/Symfony/Component/ClassLoader/UniversalClassLoader.php

+<?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\ClassLoader;
+
+/**
+ * UniversalClassLoader implements a "universal" autoloader for PHP 5.3.
+ *
+ * It is able to load classes that use either:
+ *
+ *  * The technical interoperability standards for PHP 5.3 namespaces and
+ *    class names (http://groups.google.com/group/php-standards/web/psr-0-final-proposal);
+ *
+ *  * The PEAR naming convention for classes (http://pear.php.net/).
+ *
+ * Classes from a sub-namespace or a sub-hierarchy of PEAR classes can be
+ * looked for in a list of locations to ease the vendoring of a sub-set of
+ * classes for large projects.
+ *
+ * Example usage:
+ *
+ *     $loader = new UniversalClassLoader();
+ *
+ *     // register classes with namespaces
+ *     $loader->registerNamespaces(array(
+ *         'Symfony\Component' => __DIR__.'/component',
+ *         'Symfony'           => __DIR__.'/framework',
+ *         'Sensio'            => array(__DIR__.'/src', __DIR__.'/vendor'),
+ *     ));
+ *
+ *     // register a library using the PEAR naming convention
+ *     $loader->registerPrefixes(array(
+ *         'Swift_' => __DIR__.'/Swift',
+ *     ));
+ *
+ *     // activate the autoloader
+ *     $loader->register();
+ *
+ * In this example, if you try to use a class in the Symfony\Component
+ * namespace or one of its children (Symfony\Component\Console for instance),
+ * the autoloader will first look for the class under the component/
+ * directory, and it will then fallback to the framework/ directory if not
+ * found before giving up.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ *
+ * @api
+ */
+class UniversalClassLoader
+{
+    private $namespaces = array();
+    private $prefixes = array();
+    private $namespaceFallbacks = array();
+    private $prefixFallbacks = array();
+
+    /**
+     * Gets the configured namespaces.
+     *
+     * @return array A hash with namespaces as keys and directories as values
+     */
+    public function getNamespaces()
+    {
+        return $this->namespaces;
+    }
+
+    /**
+     * Gets the configured class prefixes.
+     *
+     * @return array A hash with class prefixes as keys and directories as values
+     */
+    public function getPrefixes()
+    {
+        return $this->prefixes;
+    }
+
+    /**
+     * Gets the directory(ies) to use as a fallback for namespaces.
+     *
+     * @return array An array of directories
+     */
+    public function getNamespaceFallbacks()
+    {
+        return $this->namespaceFallbacks;
+    }
+
+    /**
+     * Gets the directory(ies) to use as a fallback for class prefixes.
+     *
+     * @return array An array of directories
+     */
+    public function getPrefixFallbacks()
+    {
+        return $this->prefixFallbacks;
+    }
+
+    /**
+     * Registers the directory to use as a fallback for namespaces.
+     *
+     * @param array $dirs An array of directories
+     *
+     * @api
+     */
+    public function registerNamespaceFallbacks(array $dirs)
+    {