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vendor/symfony/http-foundation/Session/Attribute/AttributeBag.php

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+<?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\HttpFoundation\Session\Attribute;
+
+/**
+ * This class relates to session attribute storage.
+ *
+ * @implements \IteratorAggregate<string, mixed>
+ */
+class AttributeBag implements AttributeBagInterface, \IteratorAggregate, \Countable
+{
+    private $name = 'attributes';
+    private $storageKey;
+
+    protected $attributes = [];
+
+    /**
+     * @param string $storageKey The key used to store attributes in the session
+     */
+    public function __construct(string $storageKey = '_sf2_attributes')
+    {
+        $this->storageKey = $storageKey;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getName()
+    {
+        return $this->name;
+    }
+
+    public function setName(string $name)
+    {
+        $this->name = $name;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function initialize(array &$attributes)
+    {
+        $this->attributes = &$attributes;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getStorageKey()
+    {
+        return $this->storageKey;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function has(string $name)
+    {
+        return \array_key_exists($name, $this->attributes);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function get(string $name, $default = null)
+    {
+        return \array_key_exists($name, $this->attributes) ? $this->attributes[$name] : $default;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function set(string $name, $value)
+    {
+        $this->attributes[$name] = $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function all()
+    {
+        return $this->attributes;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function replace(array $attributes)
+    {
+        $this->attributes = [];
+        foreach ($attributes as $key => $value) {
+            $this->set($key, $value);
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function remove(string $name)
+    {
+        $retval = null;
+        if (\array_key_exists($name, $this->attributes)) {
+            $retval = $this->attributes[$name];
+            unset($this->attributes[$name]);
+        }
+
+        return $retval;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function clear()
+    {
+        $return = $this->attributes;
+        $this->attributes = [];
+
+        return $return;
+    }
+
+    /**
+     * Returns an iterator for attributes.
+     *
+     * @return \ArrayIterator<string, mixed>
+     */
+    #[\ReturnTypeWillChange]
+    public function getIterator()
+    {
+        return new \ArrayIterator($this->attributes);
+    }
+
+    /**
+     * Returns the number of attributes.
+     *
+     * @return int
+     */
+    #[\ReturnTypeWillChange]
+    public function count()
+    {
+        return \count($this->attributes);
+    }
+}

vendor/symfony/http-foundation/Session/Attribute/AttributeBagInterface.php

@@ -0,0 +1,61 @@
+<?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\HttpFoundation\Session\Attribute;
+
+use Symfony\Component\HttpFoundation\Session\SessionBagInterface;
+
+/**
+ * Attributes store.
+ *
+ * @author Drak <drak@zikula.org>
+ */
+interface AttributeBagInterface extends SessionBagInterface
+{
+    /**
+     * Checks if an attribute is defined.
+     *
+     * @return bool
+     */
+    public function has(string $name);
+
+    /**
+     * Returns an attribute.
+     *
+     * @param mixed $default The default value if not found
+     *
+     * @return mixed
+     */
+    public function get(string $name, $default = null);
+
+    /**
+     * Sets an attribute.
+     *
+     * @param mixed $value
+     */
+    public function set(string $name, $value);
+
+    /**
+     * Returns attributes.
+     *
+     * @return array<string, mixed>
+     */
+    public function all();
+
+    public function replace(array $attributes);
+
+    /**
+     * Removes an attribute.
+     *
+     * @return mixed The removed value or null when it does not exist
+     */
+    public function remove(string $name);
+}

vendor/symfony/http-foundation/Session/Attribute/NamespacedAttributeBag.php

@@ -0,0 +1,161 @@
+<?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\HttpFoundation\Session\Attribute;
+
+trigger_deprecation('symfony/http-foundation', '5.3', 'The "%s" class is deprecated.', NamespacedAttributeBag::class);
+
+/**
+ * This class provides structured storage of session attributes using
+ * a name spacing character in the key.
+ *
+ * @author Drak <drak@zikula.org>
+ *
+ * @deprecated since Symfony 5.3
+ */
+class NamespacedAttributeBag extends AttributeBag
+{
+    private $namespaceCharacter;
+
+    /**
+     * @param string $storageKey         Session storage key
+     * @param string $namespaceCharacter Namespace character to use in keys
+     */
+    public function __construct(string $storageKey = '_sf2_attributes', string $namespaceCharacter = '/')
+    {
+        $this->namespaceCharacter = $namespaceCharacter;
+        parent::__construct($storageKey);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function has(string $name)
+    {
+        // reference mismatch: if fixed, re-introduced in array_key_exists; keep as it is
+        $attributes = $this->resolveAttributePath($name);
+        $name = $this->resolveKey($name);
+
+        if (null === $attributes) {
+            return false;
+        }
+
+        return \array_key_exists($name, $attributes);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function get(string $name, $default = null)
+    {
+        // reference mismatch: if fixed, re-introduced in array_key_exists; keep as it is
+        $attributes = $this->resolveAttributePath($name);
+        $name = $this->resolveKey($name);
+
+        if (null === $attributes) {
+            return $default;
+        }
+
+        return \array_key_exists($name, $attributes) ? $attributes[$name] : $default;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function set(string $name, $value)
+    {
+        $attributes = &$this->resolveAttributePath($name, true);
+        $name = $this->resolveKey($name);
+        $attributes[$name] = $value;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function remove(string $name)
+    {
+        $retval = null;
+        $attributes = &$this->resolveAttributePath($name);
+        $name = $this->resolveKey($name);
+        if (null !== $attributes && \array_key_exists($name, $attributes)) {
+            $retval = $attributes[$name];
+            unset($attributes[$name]);
+        }
+
+        return $retval;
+    }
+
+    /**
+     * Resolves a path in attributes property and returns it as a reference.
+     *
+     * This method allows structured namespacing of session attributes.
+     *
+     * @param string $name         Key name
+     * @param bool   $writeContext Write context, default false
+     *
+     * @return array|null
+     */
+    protected function &resolveAttributePath(string $name, bool $writeContext = false)
+    {
+        $array = &$this->attributes;
+        $name = (str_starts_with($name, $this->namespaceCharacter)) ? substr($name, 1) : $name;
+
+        // Check if there is anything to do, else return
+        if (!$name) {
+            return $array;
+        }
+
+        $parts = explode($this->namespaceCharacter, $name);
+        if (\count($parts) < 2) {
+            if (!$writeContext) {
+                return $array;
+            }
+
+            $array[$parts[0]] = [];
+
+            return $array;
+        }
+
+        unset($parts[\count($parts) - 1]);
+
+        foreach ($parts as $part) {
+            if (null !== $array && !\array_key_exists($part, $array)) {
+                if (!$writeContext) {
+                    $null = null;
+
+                    return $null;
+                }
+
+                $array[$part] = [];
+            }
+
+            $array = &$array[$part];
+        }
+
+        return $array;
+    }
+
+    /**
+     * Resolves the key from the name.
+     *
+     * This is the last part in a dot separated string.
+     *
+     * @return string
+     */
+    protected function resolveKey(string $name)
+    {
+        if (false !== $pos = strrpos($name, $this->namespaceCharacter)) {
+            $name = substr($name, $pos + 1);
+        }
+
+        return $name;
+    }
+}