/** * @param Parser $parser The instance that requests parsing. * @param TokensList $list The list of tokens to be parsed. * * @return void */ public function parse(Parser $parser, TokensList $list) { ++$list->idx; // Skipping `INSERT`. // parse any options if provided $this->options = OptionsArray::parse($parser, $list, static::$OPTIONS); ++$list->idx; $token = $list->tokens[$list->idx]; /** * The state of the parser. * * Below are the states of the parser. * * 0 ---------------------------------[ INTO ]----------------------------------> 1 * * 1 -------------------------[ VALUES/VALUE/SET/SELECT ]-----------------------> 2 * * 2 -------------------------[ ON DUPLICATE KEY UPDATE ]-----------------------> 3 * * @var int $state */ $state = 0; /** * For keeping track of semi-states on encountering * ON DUPLICATE KEY UPDATE ... * */ $miniState = 0; for (; $list->idx < $list->count; ++$list->idx) { /** * Token parsed at this moment. * * @var Token $token */ $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) { if ($token->type === Token::TYPE_KEYWORD && $token->value !== 'INTO') { $parser->error(__('Unexpected keyword.'), $token); break; } else { ++$list->idx; $this->into = IntoKeyword::parse($parser, $list); } $state = 1; } elseif ($state === 1) { if ($token->type === Token::TYPE_KEYWORD) { if ($token->value === 'VALUE' || $token->value === 'VALUES') { ++$list->idx; // skip VALUES $this->values = Array2d::parse($parser, $list); } elseif ($token->value === 'SET') { ++$list->idx; // skip SET $this->set = SetOperation::parse($parser, $list); } elseif ($token->value === 'SELECT') { $this->select = new SelectStatement($parser, $list); } else { $parser->error(__('Unexpected keyword.'), $token); break; } $state = 2; $miniState = 1; } else { $parser->error(__('Unexpected token.'), $token); break; } } elseif ($state == 2) { $lastCount = $miniState; if ($miniState === 1 && $token->value === 'ON') { $miniState++; } elseif ($miniState === 2 && $token->value === 'DUPLICATE') { $miniState++; } elseif ($miniState === 3 && $token->value === 'KEY') { $miniState++; } elseif ($miniState === 4 && $token->value === 'UPDATE') { $miniState++; } if ($lastCount === $miniState) { $parser->error(__('Unexpected token.'), $token); break; } if ($miniState === 5) { ++$list->idx; $this->onDuplicateSet = SetOperation::parse($parser, $list); $state = 3; } } } --$list->idx; }
public function testParseErr1() { $component = IntoKeyword::parse(new Parser(), $this->getTokensList('OUTFILE;')); $this->assertEquals($component->type, 'OUTFILE'); }
/** * @param Parser $parser The instance that requests parsing. * @param TokensList $list The list of tokens to be parsed. * * @return void */ public function parse(Parser $parser, TokensList $list) { ++$list->idx; // Skipping `REPLACE`. // parse any options if provided $this->options = OptionsArray::parse($parser, $list, static::$OPTIONS); ++$list->idx; $token = $list->tokens[$list->idx]; /** * The state of the parser. * * Below are the states of the parser. * * 0 ---------------------------------[ INTO ]----------------------------------> 1 * * 1 -------------------------[ VALUES/VALUE/SET/SELECT ]-----------------------> 2 * * @var int $state */ $state = 0; for (; $list->idx < $list->count; ++$list->idx) { /** * Token parsed at this moment. * * @var Token $token */ $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) { if ($token->type === Token::TYPE_KEYWORD && $token->value !== 'INTO') { $parser->error(__('Unexpected keyword.'), $token); break; } else { ++$list->idx; $this->into = IntoKeyword::parse($parser, $list, array('fromReplace' => true)); } $state = 1; } elseif ($state === 1) { if ($token->type === Token::TYPE_KEYWORD) { if ($token->value === 'VALUE' || $token->value === 'VALUES') { ++$list->idx; // skip VALUES $this->values = Array2d::parse($parser, $list); } elseif ($token->value === 'SET') { ++$list->idx; // skip SET $this->set = SetOperation::parse($parser, $list); } elseif ($token->value === 'SELECT') { $this->select = new SelectStatement($parser, $list); } else { $parser->error(__('Unexpected keyword.'), $token); break; } $state = 2; } else { $parser->error(__('Unexpected token.'), $token); break; } } } --$list->idx; }