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15 * This software consists of voluntary contributions made by many individuals
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17 * <http://www.doctrine-project.org>.
20 namespace Doctrine\ORM\Query\AST\Functions;
22 use Doctrine\ORM\Query\Lexer;
23 use Doctrine\DBAL\Platforms\AbstractPlatform;
26 * "TRIM" "(" [["LEADING" | "TRAILING" | "BOTH"] [char] "FROM"] StringPrimary ")"
29 * @link www.doctrine-project.org
31 * @author Guilherme Blanco <guilhermeblanco@hotmail.com>
32 * @author Jonathan Wage <jonwage@gmail.com>
33 * @author Roman Borschel <roman@code-factory.org>
34 * @author Benjamin Eberlei <kontakt@beberlei.de>
36 class TrimFunction extends FunctionNode
41 public $trimChar = false;
42 public $stringPrimary;
47 public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)
49 $pos = AbstractPlatform::TRIM_UNSPECIFIED;
51 $pos = AbstractPlatform::TRIM_LEADING;
52 } else if ($this->trailing) {
53 $pos = AbstractPlatform::TRIM_TRAILING;
54 } else if ($this->both) {
55 $pos = AbstractPlatform::TRIM_BOTH;
58 return $sqlWalker->getConnection()->getDatabasePlatform()->getTrimExpression(
59 $sqlWalker->walkStringPrimary($this->stringPrimary),
61 ($this->trimChar != false) ? $sqlWalker->getConnection()->quote($this->trimChar) : false
68 public function parse(\Doctrine\ORM\Query\Parser $parser)
70 $lexer = $parser->getLexer();
72 $parser->match(Lexer::T_IDENTIFIER);
73 $parser->match(Lexer::T_OPEN_PARENTHESIS);
75 if (strcasecmp('leading', $lexer->lookahead['value']) === 0) {
76 $parser->match(Lexer::T_LEADING);
77 $this->leading = true;
78 } else if (strcasecmp('trailing', $lexer->lookahead['value']) === 0) {
79 $parser->match(Lexer::T_TRAILING);
80 $this->trailing = true;
81 } else if (strcasecmp('both', $lexer->lookahead['value']) === 0) {
82 $parser->match(Lexer::T_BOTH);
86 if ($lexer->isNextToken(Lexer::T_STRING)) {
87 $parser->match(Lexer::T_STRING);
88 $this->trimChar = $lexer->token['value'];
91 if ($this->leading || $this->trailing || $this->both || $this->trimChar) {
92 $parser->match(Lexer::T_FROM);
95 $this->stringPrimary = $parser->StringPrimary();
97 $parser->match(Lexer::T_CLOSE_PARENTHESIS);