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✏️ Editing: TupleComparison.php

<?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 WPToolkitDependenciesIsolationPrefix\Cake\Database\Expression;

use WPToolkitDependenciesIsolationPrefix\Cake\Database\ExpressionInterface;
use WPToolkitDependenciesIsolationPrefix\Cake\Database\ValueBinder;
use Closure;
use InvalidArgumentException;
/**
 * This expression represents SQL fragments that are used for comparing one tuple
 * to another, one tuple to a set of other tuples or one tuple to an expression
 */
class TupleComparison extends ComparisonExpression
{
    /**
     * The type to be used for casting the value to a database representation
     *
     * @var array<string|null>
     * @psalm-suppress NonInvariantDocblockPropertyType
     */
    protected $_type;
    /**
     * Constructor
     *
     * @param \Cake\Database\ExpressionInterface|array|string $fields the fields to use to form a tuple
     * @param \Cake\Database\ExpressionInterface|array $values the values to use to form a tuple
     * @param array<string|null> $types the types names to use for casting each of the values, only
     * one type per position in the value array in needed
     * @param string $conjunction the operator used for comparing field and value
     */
    public function __construct($fields, $values, array $types = [], string $conjunction = '=')
    {
        $this->_type = $types;
        $this->setField($fields);
        $this->_operator = $conjunction;
        $this->setValue($values);
    }
    /**
     * Returns the type to be used for casting the value to a database representation
     *
     * @return array<string|null>
     */
    public function getType() : array
    {
        return $this->_type;
    }
    /**
     * Sets the value
     *
     * @param mixed $value The value to compare
     * @return void
     */
    public function setValue($value) : void
    {
        if ($this->isMulti()) {
            if (\is_array($value) && !\is_array(\current($value))) {
                throw new InvalidArgumentException('Multi-tuple comparisons require a multi-tuple value, single-tuple given.');
            }
        } else {
            if (\is_array($value) && \is_array(\current($value))) {
                throw new InvalidArgumentException('Single-tuple comparisons require a single-tuple value, multi-tuple given.');
            }
        }
        $this->_value = $value;
    }
    /**
     * @inheritDoc
     */
    public function sql(ValueBinder $binder) : string
    {
        $template = '(%s) %s (%s)';
        $fields = [];
        $originalFields = $this->getField();
        if (!\is_array($originalFields)) {
            $originalFields = [$originalFields];
        }
        foreach ($originalFields as $field) {
            $fields[] = $field instanceof ExpressionInterface ? $field->sql($binder) : $field;
        }
        $values = $this->_stringifyValues($binder);
        $field = \implode(', ', $fields);
        return \sprintf($template, $field, $this->_operator, $values);
    }
    /**
     * Returns a string with the values as placeholders in a string to be used
     * for the SQL version of this expression
     *
     * @param \Cake\Database\ValueBinder $binder The value binder to convert expressions with.
     * @return string
     */
    protected function _stringifyValues(ValueBinder $binder) : string
    {
        $values = [];
        $parts = $this->getValue();
        if ($parts instanceof ExpressionInterface) {
            return $parts->sql($binder);
        }
        foreach ($parts as $i => $value) {
            if ($value instanceof ExpressionInterface) {
                $values[] = $value->sql($binder);
                continue;
            }
            $type = $this->_type;
            $isMultiOperation = $this->isMulti();
            if (empty($type)) {
                $type = null;
            }
            if ($isMultiOperation) {
                $bound = [];
                foreach ($value as $k => $val) {
                    /** @var string $valType */
                    $valType = $type && isset($type[$k]) ? $type[$k] : $type;
                    $bound[] = $this->_bindValue($val, $binder, $valType);
                }
                $values[] = \sprintf('(%s)', \implode(',', $bound));
                continue;
            }
            /** @var string $valType */
            $valType = $type && isset($type[$i]) ? $type[$i] : $type;
            $values[] = $this->_bindValue($value, $binder, $valType);
        }
        return \implode(', ', $values);
    }
    /**
     * @inheritDoc
     */
    protected function _bindValue($value, ValueBinder $binder, ?string $type = null) : string
    {
        $placeholder = $binder->placeholder('tuple');
        $binder->bind($placeholder, $value, $type);
        return $placeholder;
    }
    /**
     * @inheritDoc
     */
    public function traverse(Closure $callback)
    {
        /** @var array<string> $fields */
        $fields = $this->getField();
        foreach ($fields as $field) {
            $this->_traverseValue($field, $callback);
        }
        $value = $this->getValue();
        if ($value instanceof ExpressionInterface) {
            $callback($value);
            $value->traverse($callback);
            return $this;
        }
        foreach ($value as $val) {
            if ($this->isMulti()) {
                foreach ($val as $v) {
                    $this->_traverseValue($v, $callback);
                }
            } else {
                $this->_traverseValue($val, $callback);
            }
        }
        return $this;
    }
    /**
     * Conditionally executes the callback for the passed value if
     * it is an ExpressionInterface
     *
     * @param mixed $value The value to traverse
     * @param \Closure $callback The callable to use when traversing
     * @return void
     */
    protected function _traverseValue($value, Closure $callback) : void
    {
        if ($value instanceof ExpressionInterface) {
            $callback($value);
            $value->traverse($callback);
        }
    }
    /**
     * Determines if each of the values in this expressions is a tuple in
     * itself
     *
     * @return bool
     */
    public function isMulti() : bool
    {
        return \in_array(\strtolower($this->_operator), ['in', 'not in']);
    }
}

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