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Direktori : /home2/selectio/www/fms-worksuite/vendor/phpmyadmin/sql-parser/src/Components/ |
Current File : /home2/selectio/www/fms-worksuite/vendor/phpmyadmin/sql-parser/src/Components/Limit.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; /** * `LIMIT` keyword parser. * * @final */ class Limit extends Component { /** * The number of rows skipped. * * @var int */ public $offset; /** * The number of rows to be returned. * * @var int */ public $rowCount; /** * @param int $rowCount the row count * @param int $offset the offset */ public function __construct($rowCount = 0, $offset = 0) { $this->rowCount = $rowCount; $this->offset = $offset; } /** * @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 Limit */ public static function parse(Parser $parser, TokensList $list, array $options = []) { $ret = new static(); $offset = false; 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) || ($token->type === Token::TYPE_COMMENT)) { continue; } if (($token->type === Token::TYPE_KEYWORD) && ($token->flags & Token::FLAG_KEYWORD_RESERVED)) { break; } if ($token->type === Token::TYPE_KEYWORD && $token->keyword === 'OFFSET') { if ($offset) { $parser->error('An offset was expected.', $token); } $offset = true; continue; } if (($token->type === Token::TYPE_OPERATOR) && ($token->value === ',')) { $ret->offset = $ret->rowCount; $ret->rowCount = 0; continue; } // Skip if not a number if (($token->type !== Token::TYPE_NUMBER)) { break; } if ($offset) { $ret->offset = $token->value; $offset = false; } else { $ret->rowCount = $token->value; } } if ($offset) { $parser->error('An offset was expected.', $list->tokens[$list->idx - 1]); } --$list->idx; return $ret; } /** * @param Limit $component the component to be built * @param array<string, mixed> $options parameters for building * * @return string */ public static function build($component, array $options = []) { return $component->offset . ', ' . $component->rowCount; } }