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10.195.0.10

GroupKeyword.php

<?php

declare(strict_types=1);

namespace PhpMyAdmin\SqlParser\Components;

use PhpMyAdmin\SqlParser\Component;
use PhpMyAdmin\SqlParser\Parser;
use PhpMyAdmin\SqlParser\Token;
use PhpMyAdmin\SqlParser\TokensList;

use function implode;
use function is_array;
use function trim;

/**
 * `GROUP BY` keyword parser.
 *
 * @final
 */
class GroupKeyword extends Component
{
    /** @var mixed */
    public $type;

/**
     * The expression that is used for grouping.
     *
     * @var Expression
     */
    public $expr;

/**
     * @param Expression $expr the expression that we are sorting by
     */
    public function __construct($expr = null)
    {
        $this->expr = $expr;
    }

/**
     * @param Parser               $parser  the parser that serves as context
     * @param TokensList           $list    the list of tokens that are being parsed
     * @param array<string, mixed> $options parameters for parsing
     *
     * @return GroupKeyword[]
     */
    public static function parse(Parser $parser, TokensList $list, array $options = [])
    {
        $ret = [];

$expr = new static();

/**
         * The state of the parser.
         *
         * Below are the states of the parser.
         *
         *      0 --------------------[ expression ]-------------------> 1
         *
         *      1 ------------------------[ , ]------------------------> 0
         *      1 -------------------[ ASC / DESC ]--------------------> 1
         *
         * @var int
         */
        $state = 0;

for (; $list->idx < $list->count; ++$list->idx) {
            /**
             * Token parsed at this moment.
             */
            $token = $list->tokens[$list->idx];

// End of statement.
            if ($token->type === Token::TYPE_DELIMITER) {
                break;
            }

// Skipping whitespaces and comments.
            if (($token->type === Token::TYPE_WHITESPACE) || ($token->type === Token::TYPE_COMMENT)) {
                continue;
            }

if ($state === 0) {
                $expr->expr = Expression::parse($parser, $list);
                $state = 1;
            } elseif ($state === 1) {
                if (
                    ($token->type === Token::TYPE_KEYWORD)
                    && (($token->keyword === 'ASC') || ($token->keyword === 'DESC'))
                ) {
                    $expr->type = $token->keyword;
                } elseif (($token->type === Token::TYPE_OPERATOR) && ($token->value === ',')) {
                    if (! empty($expr->expr)) {
                        $ret[] = $expr;
                    }

$expr = new static();
                    $state = 0;
                } else {
                    break;
                }
            }
        }

// Last iteration was not processed.
        if (! empty($expr->expr)) {
            $ret[] = $expr;
        }

--$list->idx;

return $ret;
    }

/**
     * @param GroupKeyword|GroupKeyword[] $component the component to be built
     * @param array<string, mixed>        $options   parameters for building
     *
     * @return string
     */
    public static function build($component, array $options = [])
    {
        if (is_array($component)) {
            return implode(', ', $component);
        }

return trim((string) $component->expr);
    }
}

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	pluszzsu/pluszzsu	0755	2023-01-25 10:43:40
..	dir	-	pluszzsu/pluszzsu	0755	2023-01-25 10:43:40
AlterOperation.php	text/x-php	15.26 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
Array2d.php	text/x-php	3.39 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
ArrayObj.php	text/x-php	4.85 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
CaseExpression.php	text/x-php	9.7 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
Condition.php	text/x-php	6.01 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
CreateDefinition.php	text/x-php	10.57 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
DataType.php	text/x-php	4.71 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
Expression.php	text/x-php	15.6 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
ExpressionArray.php	text/x-php	3.91 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
FunctionCall.php	text/x-php	2.94 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
GroupKeyword.php	text/x-php	3.34 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
IndexHint.php	text/x-php	6.31 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
IntoKeyword.php	text/x-php	8.34 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
JoinKeyword.php	text/x-php	6.15 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
Key.php	text/x-php	9.16 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
Limit.php	text/x-php	3.06 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
LockExpression.php	text/x-php	5.62 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
OptionsArray.php	text/x-php	12.07 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
OrderKeyword.php	text/x-php	3.46 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
ParameterDefinition.php	text/x-php	4.54 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
PartitionDefinition.php	text/x-php	6.97 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
Reference.php	text/x-php	3.95 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
RenameOperation.php	text/x-php	4.45 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
SetOperation.php	text/x-php	4.15 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
UnionKeyword.php	text/x-php	674 B	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40
WithKeyword.php	text/x-php	1.29 KB	pluszzsu/pluszzsu	0644	2023-01-25 10:43:40

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