1 <?php

     2 /*

     3  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

     4  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

     5  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

     6  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

     7  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

     8  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

     9  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

    10  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

    11  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    12  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    13  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

    14  *

    15  * This software consists of voluntary contributions made by many individuals

    16  * and is licensed under the LGPL. For more information, see

    17  * <http://www.doctrine-project.org>.

    18  */

    19 

    20 namespace Doctrine\ORM\Query\AST\Functions;

    21 

    22 use Doctrine\ORM\Query\Lexer;

    23 use Doctrine\DBAL\Platforms\AbstractPlatform;

    24 

    25 /**

    26  * "TRIM" "(" [["LEADING" | "TRAILING" | "BOTH"] [char] "FROM"] StringPrimary ")"

    27  *

    28  * @license http://www.opensource.org/licenses/lgpl-license.php LGPL

    29  * @link    www.doctrine-project.org

    30  * @since   2.0

    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>

    35  */

    36 class TrimFunction extends FunctionNode

    37 {

    38     public $leading;

    39     public $trailing;

    40     public $both;

    41     public $trimChar = false;

    42     public $stringPrimary;

    43 

    44     /**

    45      * @override

    46      */

    47     public function getSql(\Doctrine\ORM\Query\SqlWalker $sqlWalker)

    48     {

    49         $pos = AbstractPlatform::TRIM_UNSPECIFIED;

    50         if ($this->leading) {

    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;

    56         }

    57 

    58         return $sqlWalker->getConnection()->getDatabasePlatform()->getTrimExpression(

    59             $sqlWalker->walkStringPrimary($this->stringPrimary),

    60             $pos,

    61             ($this->trimChar != false) ? $sqlWalker->getConnection()->quote($this->trimChar) : false

    62         );

    63     }

    64 

    65     /**

    66      * @override

    67      */

    68     public function parse(\Doctrine\ORM\Query\Parser $parser)

    69     {

    70         $lexer = $parser->getLexer();

    71 

    72         $parser->match(Lexer::T_IDENTIFIER);

    73         $parser->match(Lexer::T_OPEN_PARENTHESIS);

    74 

    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);

    83             $this->both = true;

    84         }

    85 

    86         if ($lexer->isNextToken(Lexer::T_STRING)) {

    87             $parser->match(Lexer::T_STRING);

    88             $this->trimChar = $lexer->token['value'];

    89         }

    90 

    91         if ($this->leading || $this->trailing || $this->both || $this->trimChar) {

    92             $parser->match(Lexer::T_FROM);

    93         }

    94 

    95         $this->stringPrimary = $parser->StringPrimary();

    96 

    97         $parser->match(Lexer::T_CLOSE_PARENTHESIS);

    98     }

    99 

   100 }