Файловый менеджер

Файловый менеджер - Редактировать - /var/www/xthruster/html/wp-content/plugins/sitepress-multilingual-cms/vendor/wpml/sql-parser/src/Parser.php

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<?php /** * Defines the parser of the library. * * This is one of the most important components, along with the lexer. / namespace PhpMyAdmin\SqlParser; use PhpMyAdmin\SqlParser\Exceptions\ParserException; use PhpMyAdmin\SqlParser\Statements\SelectStatement; use PhpMyAdmin\SqlParser\Statements\TransactionStatement; /* * Takes multiple tokens (contained in a Lexer instance) as input and builds a * parse tree. * * @category Parser * * @license https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+ / class Parser extends Core { /* * Array of classes that are used in parsing the SQL statements. * * @var array / public static $STATEMENT_PARSERS = array( // MySQL Utility Statements 'DESCRIBE' => 'PhpMyAdmin\\SqlParser\\Statements\\ExplainStatement', 'DESC' => 'PhpMyAdmin\\SqlParser\\Statements\\ExplainStatement', 'EXPLAIN' => 'PhpMyAdmin\\SqlParser\\Statements\\ExplainStatement', 'FLUSH' => '', 'GRANT' => '', 'HELP' => '', 'SET PASSWORD' => '', 'STATUS' => '', 'USE' => '', // Table Maintenance Statements // https://dev.mysql.com/doc/refman/5.7/en/table-maintenance-sql.html 'ANALYZE' => 'PhpMyAdmin\\SqlParser\\Statements\\AnalyzeStatement', 'BACKUP' => 'PhpMyAdmin\\SqlParser\\Statements\\BackupStatement', 'CHECK' => 'PhpMyAdmin\\SqlParser\\Statements\\CheckStatement', 'CHECKSUM' => 'PhpMyAdmin\\SqlParser\\Statements\\ChecksumStatement', 'OPTIMIZE' => 'PhpMyAdmin\\SqlParser\\Statements\\OptimizeStatement', 'REPAIR' => 'PhpMyAdmin\\SqlParser\\Statements\\RepairStatement', 'RESTORE' => 'PhpMyAdmin\\SqlParser\\Statements\\RestoreStatement', // Database Administration Statements // https://dev.mysql.com/doc/refman/5.7/en/sql-syntax-server-administration.html 'SET' => 'PhpMyAdmin\\SqlParser\\Statements\\SetStatement', 'SHOW' => 'PhpMyAdmin\\SqlParser\\Statements\\ShowStatement', // Data Definition Statements. // https://dev.mysql.com/doc/refman/5.7/en/sql-syntax-data-definition.html 'ALTER' => 'PhpMyAdmin\\SqlParser\\Statements\\AlterStatement', 'CREATE' => 'PhpMyAdmin\\SqlParser\\Statements\\CreateStatement', 'DROP' => 'PhpMyAdmin\\SqlParser\\Statements\\DropStatement', 'RENAME' => 'PhpMyAdmin\\SqlParser\\Statements\\RenameStatement', 'TRUNCATE' => 'PhpMyAdmin\\SqlParser\\Statements\\TruncateStatement', // Data Manipulation Statements. // https://dev.mysql.com/doc/refman/5.7/en/sql-syntax-data-manipulation.html 'CALL' => 'PhpMyAdmin\\SqlParser\\Statements\\CallStatement', 'DELETE' => 'PhpMyAdmin\\SqlParser\\Statements\\DeleteStatement', 'DO' => '', 'HANDLER' => '', 'INSERT' => 'PhpMyAdmin\\SqlParser\\Statements\\InsertStatement', 'LOAD DATA' => 'PhpMyAdmin\\SqlParser\\Statements\\LoadStatement', 'REPLACE' => 'PhpMyAdmin\\SqlParser\\Statements\\ReplaceStatement', 'SELECT' => 'PhpMyAdmin\\SqlParser\\Statements\\SelectStatement', 'UPDATE' => 'PhpMyAdmin\\SqlParser\\Statements\\UpdateStatement', // Prepared Statements. // https://dev.mysql.com/doc/refman/5.7/en/sql-syntax-prepared-statements.html 'DEALLOCATE' => '', 'EXECUTE' => '', 'PREPARE' => '', // Transactional and Locking Statements // https://dev.mysql.com/doc/refman/5.7/en/commit.html 'BEGIN' => 'PhpMyAdmin\\SqlParser\\Statements\\TransactionStatement', 'COMMIT' => 'PhpMyAdmin\\SqlParser\\Statements\\TransactionStatement', 'ROLLBACK' => 'PhpMyAdmin\\SqlParser\\Statements\\TransactionStatement', 'START TRANSACTION' => 'PhpMyAdmin\\SqlParser\\Statements\\TransactionStatement', 'PURGE' => 'PhpMyAdmin\\SqlParser\\Statements\\PurgeStatement', // Lock statements // https://dev.mysql.com/doc/refman/5.7/en/lock-tables.html 'LOCK' => 'PhpMyAdmin\\SqlParser\\Statements\\LockStatement', 'UNLOCK' => 'PhpMyAdmin\\SqlParser\\Statements\\LockStatement' ); /* * Array of classes that are used in parsing SQL components. * * @var array / public static $KEYWORD_PARSERS = array( // This is not a proper keyword and was added here to help the // formatter. 'PARTITION BY' => array(), 'SUBPARTITION BY' => array(), // This is not a proper keyword and was added here to help the // builder. '_OPTIONS' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\OptionsArray', 'field' => 'options', ), '_END_OPTIONS' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\OptionsArray', 'field' => 'end_options', ), 'INTERSECT' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\UnionKeyword', 'field' => 'union', ), 'EXCEPT' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\UnionKeyword', 'field' => 'union', ), 'UNION' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\UnionKeyword', 'field' => 'union', ), 'UNION ALL' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\UnionKeyword', 'field' => 'union', ), 'UNION DISTINCT' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\UnionKeyword', 'field' => 'union', ), // Actual clause parsers. 'ALTER' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\Expression', 'field' => 'table', 'options' => array('parseField' => 'table'), ), 'ANALYZE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'tables', 'options' => array('parseField' => 'table'), ), 'BACKUP' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'tables', 'options' => array('parseField' => 'table'), ), 'CALL' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\FunctionCall', 'field' => 'call', ), 'CHECK' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'tables', 'options' => array('parseField' => 'table'), ), 'CHECKSUM' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'tables', 'options' => array('parseField' => 'table'), ), 'CROSS JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'DROP' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'fields', 'options' => array('parseField' => 'table'), ), 'FORCE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\IndexHint', 'field' => 'index_hints', ), 'FROM' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'from', 'options' => array('field' => 'table'), ), 'GROUP BY' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\GroupKeyword', 'field' => 'group', ), 'HAVING' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\Condition', 'field' => 'having', ), 'IGNORE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\IndexHint', 'field' => 'index_hints', ), 'INTO' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\IntoKeyword', 'field' => 'into', ), 'JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'LEFT JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'LEFT OUTER JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'ON' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\Expression', 'field' => 'table', 'options' => array('parseField' => 'table'), ), 'RIGHT JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'RIGHT OUTER JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'INNER JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'FULL JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'FULL OUTER JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'NATURAL JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'NATURAL LEFT JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'NATURAL RIGHT JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'NATURAL LEFT OUTER JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'NATURAL RIGHT OUTER JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'STRAIGHT_JOIN' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\JoinKeyword', 'field' => 'join', ), 'LIMIT' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\Limit', 'field' => 'limit', ), 'OPTIMIZE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'tables', 'options' => array('parseField' => 'table'), ), 'ORDER BY' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\OrderKeyword', 'field' => 'order', ), 'PARTITION' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ArrayObj', 'field' => 'partition', ), 'PROCEDURE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\FunctionCall', 'field' => 'procedure', ), 'RENAME' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\RenameOperation', 'field' => 'renames', ), 'REPAIR' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'tables', 'options' => array('parseField' => 'table'), ), 'RESTORE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'tables', 'options' => array('parseField' => 'table'), ), 'SET' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\SetOperation', 'field' => 'set', ), 'SELECT' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'expr', ), 'TRUNCATE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\Expression', 'field' => 'table', 'options' => array('parseField' => 'table'), ), 'UPDATE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\ExpressionArray', 'field' => 'tables', 'options' => array('parseField' => 'table'), ), 'USE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\IndexHint', 'field' => 'index_hints', ), 'VALUE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\Array2d', 'field' => 'values', ), 'VALUES' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\Array2d', 'field' => 'values', ), 'WHERE' => array( 'class' => 'PhpMyAdmin\\SqlParser\\Components\\Condition', 'field' => 'where', ) ); /* * The list of tokens that are parsed. * * @var TokensList / public $list; /* * List of statements parsed. * * @var Statement[] / public $statements = array(); /* * The number of opened brackets. * * @var int / public $brackets = 0; /* * Constructor. * * @param string\|UtfString\|TokensList $list the list of tokens to be parsed * @param bool $strict whether strict mode should be enabled or not / public function __construct($list = null, $strict = false) { if (is_string($list) \|\| ($list instanceof UtfString)) { $lexer = new Lexer($list, $strict); $this->list = $lexer->list; } elseif ($list instanceof TokensList) { $this->list = $list; } $this->strict = $strict; if ($list !== null) { $this->parse(); } } /* * Builds the parse trees. * @throws ParserException / public function parse() { /* * Last transaction. * * @var TransactionStatement / $lastTransaction = null; /* * Last parsed statement. * * @var Statement / $lastStatement = null; /* * Union's type or false for no union. * * @var bool\|string / $unionType = false; /* * The index of the last token from the last statement. * * @var int / $prevLastIdx = -1; /* * The list of tokens. * * @var TokensList / $list = &$this->list; for (; $list->idx < $list->count; ++$list->idx) { /* * Token parsed at this moment. * * @var Token / $token = $list->tokens[$list->idx]; // `DELIMITER` is not an actual statement and it requires // special handling. if (($token->type === Token::TYPE_NONE) && (strtoupper($token->token) === 'DELIMITER') ) { // Skipping to the end of this statement. $list->getNextOfType(Token::TYPE_DELIMITER); $prevLastIdx = $list->idx; continue; } // Counting the brackets around statements. if ($token->value === '(') { ++$this->brackets; continue; } // Statements can start with keywords only. // Comments, whitespaces, etc. are ignored. if ($token->type !== Token::TYPE_KEYWORD) { if (($token->type !== Token::TYPE_COMMENT) && ($token->type !== Token::TYPE_WHITESPACE) && ($token->type !== Token::TYPE_OPERATOR) // `(` and `)` && ($token->type !== Token::TYPE_DELIMITER) ) { $this->error( 'Unexpected beginning of statement.', $token ); } continue; } if (($token->keyword === 'UNION') \|\| ($token->keyword === 'UNION ALL') \|\| ($token->keyword === 'UNION DISTINCT') \|\| ($token->keyword === 'EXCEPT') \|\| ($token->keyword === 'INTERSECT') ) { $unionType = $token->keyword; continue; } // Checking if it is a known statement that can be parsed. if (empty(static::$STATEMENT_PARSERS[$token->keyword])) { if (! isset(static::$STATEMENT_PARSERS[$token->keyword])) { // A statement is considered recognized if the parser // is aware that it is a statement, but it does not have // a parser for it yet. $this->error( 'Unrecognized statement type.', $token ); } // Skipping to the end of this statement. $list->getNextOfType(Token::TYPE_DELIMITER); $prevLastIdx = $list->idx; continue; } /* * The name of the class that is used for parsing. * * @var string / $class = static::$STATEMENT_PARSERS[$token->keyword]; /* * Processed statement. * * @var Statement / $statement = new $class($this, $this->list); // The first token that is a part of this token is the next token // unprocessed by the previous statement. // There might be brackets around statements and this shouldn't // affect the parser $statement->first = $prevLastIdx + 1; // Storing the index of the last token parsed and updating the old // index. $statement->last = $list->idx; $prevLastIdx = $list->idx; // Handles unions. if (! empty($unionType) && ($lastStatement instanceof SelectStatement) && ($statement instanceof SelectStatement) ) { / * This SELECT statement. * * @var SelectStatement $statement / / * Last SELECT statement. * * @var SelectStatement $lastStatement / $lastStatement->union[] = array( $unionType, $statement ); // if there are no no delimiting brackets, the `ORDER` and // `LIMIT` keywords actually belong to the first statement. $lastStatement->order = $statement->order; $lastStatement->limit = $statement->limit; $statement->order = array(); $statement->limit = null; // The statement actually ends where the last statement in // union ends. $lastStatement->last = $statement->last; $unionType = false; // Validate clause order $statement->validateClauseOrder($this, $list); continue; } // Handles transactions. if ($statement instanceof TransactionStatement) { / * @var TransactionStatement / if ($statement->type === TransactionStatement::TYPE_BEGIN) { $lastTransaction = $statement; $this->statements[] = $statement; } elseif ($statement->type === TransactionStatement::TYPE_END) { if ($lastTransaction === null) { // Even though an error occurred, the query is being // saved. $this->statements[] = $statement; $this->error( 'No transaction was previously started.', $token ); } else { $lastTransaction->end = $statement; } $lastTransaction = null; } // Validate clause order $statement->validateClauseOrder($this, $list); continue; } // Validate clause order $statement->validateClauseOrder($this, $list); // Finally, storing the statement. if ($lastTransaction !== null) { $lastTransaction->statements[] = $statement; } else { $this->statements[] = $statement; } $lastStatement = $statement; } } /* * Creates a new error log. * * @param string $msg the error message * @param Token $token the token that produced the error * @param int $code the code of the error * * @throws ParserException throws the exception, if strict mode is enabled */ public function error($msg, Token $token = null, $code = 0) { $error = new ParserException( Translator::gettext($msg), $token, $code ); parent::error($error); } }

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