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DoctrineExtensions\Query\Mysql\Cast.php
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<?php | |
namespace Plusquam\Bundle\ContractBundle\DoctrineExtensions\Query\Mysql; | |
use Doctrine\ORM\Query\AST\Functions\FunctionNode; | |
use Doctrine\ORM\Query\AST\Literal; | |
use Doctrine\ORM\Query\Parser; | |
use Doctrine\ORM\Query\Lexer; | |
use Doctrine\ORM\Query\SqlWalker; | |
class Cast extends FunctionNode | |
{ | |
const PARAMETER_KEY = 'expression'; | |
const TYPE_KEY = 'type'; | |
protected $supportedTypes = array( | |
'char', | |
'date', | |
'datetime', | |
'time', | |
'int', | |
'integer', | |
'decimal' | |
); | |
/** | |
* @var array | |
*/ | |
public $parameters = array(); | |
/** | |
* {@inheritdoc} | |
*/ | |
public function getSql(SqlWalker $sqlWalker) | |
{ | |
/** @var Node $value */ | |
$value = $this->parameters[self::PARAMETER_KEY]; | |
$type = $this->parameters[self::TYPE_KEY]; | |
$type = strtolower($type); | |
if ($type == 'char') { | |
$type = 'char(1)'; | |
} elseif ($type == 'int' || $type == 'integer') { | |
$type = 'unsigned'; | |
} | |
return 'CAST(' . $sqlWalker->walkArithmeticPrimary($value) . ' AS ' . $type . ')'; | |
} | |
/** | |
* {@inheritdoc} | |
*/ | |
public function parse(Parser $parser) | |
{ | |
$parser->match(Lexer::T_IDENTIFIER); | |
$parser->match(Lexer::T_OPEN_PARENTHESIS); | |
$this->parameters[self::PARAMETER_KEY] = $parser->ArithmeticPrimary(); | |
$parser->match(Lexer::T_AS); | |
$parser->match(Lexer::T_IDENTIFIER); | |
$lexer = $parser->getLexer(); | |
$type = $lexer->token['value']; | |
if ($lexer->isNextToken(Lexer::T_OPEN_PARENTHESIS)) { | |
$parser->match(Lexer::T_OPEN_PARENTHESIS); | |
/** @var Literal $parameter */ | |
$parameter = $parser->Literal(); | |
$parameters = array( | |
$parameter->value | |
); | |
if ($lexer->isNextToken(Lexer::T_COMMA)) { | |
while ($lexer->isNextToken(Lexer::T_COMMA)) { | |
$parser->match(Lexer::T_COMMA); | |
$parameter = $parser->Literal(); | |
$parameters[] = $parameter->value; | |
} | |
} | |
$parser->match(Lexer::T_CLOSE_PARENTHESIS); | |
$type .= '(' . implode(', ', $parameters) . ')'; | |
} | |
if (!$this->checkType($type)) { | |
$parser->syntaxError( | |
sprintf( | |
'Type unsupported. Supported types are: "%s"', | |
implode(', ', $this->supportedTypes) | |
), | |
$lexer->token | |
); | |
} | |
$this->parameters[self::TYPE_KEY] = $type; | |
$parser->match(Lexer::T_CLOSE_PARENTHESIS); | |
} | |
/** | |
* Check that given type is supported. | |
* | |
* @param string $type | |
* @return bool | |
*/ | |
protected function checkType($type) | |
{ | |
$type = strtolower(trim($type)); | |
foreach ($this->supportedTypes as $supportedType) { | |
if (strpos($type, $supportedType) === 0) { | |
return true; | |
} | |
} | |
return false; | |
} | |
} |
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Based on https://github.com/orocrm/doctrine-extensions: