init

2026-05-12 21:10:38 +02:00
commit ab96d82fcf
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+<?php
+declare(strict_types=1);
+
+/**
+ * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
+ * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
+ *
+ * Licensed under The MIT License
+ * For full copyright and license information, please see the LICENSE.txt
+ * Redistributions of files must retain the above copyright notice.
+ *
+ * @copyright     Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
+ * @link          https://cakephp.org CakePHP(tm) Project
+ * @since         3.0.0
+ * @license       https://opensource.org/licenses/mit-license.php MIT License
+ */
+namespace Cake\Database\Expression;
+
+use Cake\Database\ExpressionInterface;
+use Cake\Database\ValueBinder;
+use Closure;
+
+/**
+ * Represents a single identifier name in the database.
+ *
+ * Identifier values are unsafe with user supplied data.
+ * Values will be quoted when identifier quoting is enabled.
+ *
+ * @see \Cake\Database\Query::identifier()
+ */
+class IdentifierExpression implements ExpressionInterface
+{
+    /**
+     * Holds the identifier string
+     *
+     * @var string
+     */
+    protected string $_identifier;
+
+    /**
+     * @var string|null
+     */
+    protected ?string $collation = null;
+
+    /**
+     * Constructor
+     *
+     * @param string $identifier The identifier this expression represents
+     * @param string|null $collation The identifier collation
+     */
+    public function __construct(string $identifier, ?string $collation = null)
+    {
+        $this->_identifier = $identifier;
+        $this->collation = $collation;
+    }
+
+    /**
+     * Sets the identifier this expression represents
+     *
+     * @param string $identifier The identifier
+     * @return void
+     */
+    public function setIdentifier(string $identifier): void
+    {
+        $this->_identifier = $identifier;
+    }
+
+    /**
+     * Returns the identifier this expression represents
+     *
+     * @return string
+     */
+    public function getIdentifier(): string
+    {
+        return $this->_identifier;
+    }
+
+    /**
+     * Sets the collation.
+     *
+     * @param string $collation Identifier collation
+     * @return void
+     */
+    public function setCollation(string $collation): void
+    {
+        $this->collation = $collation;
+    }
+
+    /**
+     * Returns the collation.
+     *
+     * @return string|null
+     */
+    public function getCollation(): ?string
+    {
+        return $this->collation;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function sql(ValueBinder $binder): string
+    {
+        $sql = $this->_identifier;
+        if ($this->collation) {
+            $sql .= ' COLLATE ' . $this->collation;
+        }
+
+        return $sql;
+    }
+
+    /**
+     * @inheritDoc
+     */
+    public function traverse(Closure $callback)
+    {
+        return $this;
+    }
+}