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<?php |
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/** |
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* `VALUES` keyword parser. |
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*/ |
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namespace PhpMyAdmin\SqlParser\Components; |
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use PhpMyAdmin\SqlParser\Component; |
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use PhpMyAdmin\SqlParser\Parser; |
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use PhpMyAdmin\SqlParser\Token; |
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use PhpMyAdmin\SqlParser\TokensList; |
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/** |
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* `VALUES` keyword parser. |
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* |
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* @category Keywords |
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* |
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* @license https://www.gnu.org/licenses/gpl-2.0.txt GPL-2.0+ |
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*/ |
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class Array2d extends Component |
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{ |
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/** |
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* @param Parser $parser the parser that serves as context |
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* @param TokensList $list the list of tokens that are being parsed |
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* @param array $options parameters for parsing |
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* |
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* @return ArrayObj[] |
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*/ |
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public static function parse(Parser $parser, TokensList $list, array $options = array()) |
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{ |
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$ret = array(); |
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/** |
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* The number of values in each set. |
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* |
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* @var int |
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*/ |
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$count = -1; |
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/** |
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* The state of the parser. |
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* |
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* Below are the states of the parser. |
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* |
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* 0 ----------------------[ array ]----------------------> 1 |
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* |
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* 1 ------------------------[ , ]------------------------> 0 |
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* 1 -----------------------[ else ]----------------------> (END) |
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* |
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* @var int |
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*/ |
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$state = 0; |
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for (; $list->idx < $list->count; ++$list->idx) { |
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/** |
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* Token parsed at this moment. |
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* |
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* @var Token |
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*/ |
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$token = $list->tokens[$list->idx]; |
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// End of statement. |
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if ($token->type === Token::TYPE_DELIMITER) { |
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break; |
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} |
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// Skipping whitespaces and comments. |
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if (($token->type === Token::TYPE_WHITESPACE) || ($token->type === Token::TYPE_COMMENT)) { |
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continue; |
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} |
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// No keyword is expected. |
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if (($token->type === Token::TYPE_KEYWORD) && ($token->flags & Token::FLAG_KEYWORD_RESERVED)) { |
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3 |
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break; |
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} |
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if ($state === 0) { |
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if ($token->value === '(') { |
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$arr = ArrayObj::parse($parser, $list, $options); |
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$arrCount = count($arr->values); |
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if ($count === -1) { |
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$count = $arrCount; |
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} elseif ($arrCount != $count) { |
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1 |
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$parser->error( |
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1 |
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sprintf( |
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__('%1$d values were expected, but found %2$d.'), |
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1 |
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$count, |
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$arrCount |
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1 |
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), |
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$token |
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1 |
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); |
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1 |
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} |
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$ret[] = $arr; |
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$state = 1; |
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} else { |
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1 |
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break; |
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} |
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17 |
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} elseif ($state === 1) { |
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7 |
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if ($token->value === ',') { |
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6 |
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$state = 0; |
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6 |
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} else { |
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1 |
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break; |
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} |
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6 |
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} |
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} |
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if ($state === 0) { |
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3 |
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$parser->error( |
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3 |
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__('An opening bracket followed by a set of values was expected.'), |
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3 |
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$list->tokens[$list->idx] |
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3 |
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); |
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3 |
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} |
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19 |
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--$list->idx; |
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return $ret; |
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} |
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/** |
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* @param ArrayObj[] $component the component to be built |
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* @param array $options parameters for building |
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* |
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124
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* @return string |
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125
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*/ |
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126
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3 |
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public static function build($component, array $options = array()) |
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127
|
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{ |
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3 |
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return ArrayObj::build($component); |
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} |
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} |
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phpmyadmin /
sql-parser
