lib/CrEOF/Spatial/ORM/Query/AST/Functions/PostgreSql/STSnapToGrid.php
<?php
/**
* Copyright (C) 2016 Derek J. Lambert
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
namespace CrEOF\Spatial\ORM\Query\AST\Functions\PostgreSql;
use CrEOF\Spatial\ORM\Query\AST\Functions\AbstractSpatialDQLFunction;
use CrEOF\Spatial\ORM\Query\AST\Functions\ReturnsGeometryInterface;
use Doctrine\ORM\Query\Lexer;
use Doctrine\ORM\Query\Parser;
/**
* ST_SnapToGrid DQL function.
*
* Possible signatures:
* geometry ST_SnapToGrid(geometry geomA, float size);
* geometry ST_SnapToGrid(geometry geomA, float sizeX, float sizeY);
* geometry ST_SnapToGrid(geometry geomA, float originX, float originY, float sizeX, float sizeY);
* geometry ST_SnapToGrid(geometry geomA, geometry pointOrigin, float sizeX, float sizeY, float sizeZ, float sizeM);
*
* @author Dragos Protung
* @license http://mit-license.org MIT
*/
class STSnapToGrid extends AbstractSpatialDQLFunction implements ReturnsGeometryInterface
{
protected $platforms = array('postgresql');
protected $functionName = 'ST_SnapToGrid';
protected $minGeomExpr = 2;
protected $maxGeomExpr = 6;
/**
* {@inheritdoc}
*/
public function parse(Parser $parser)
{
$lexer = $parser->getLexer();
$parser->match(Lexer::T_IDENTIFIER);
$parser->match(Lexer::T_OPEN_PARENTHESIS);
// 1st signature
$this->geomExpr[] = $parser->ArithmeticFactor();
$parser->match(Lexer::T_COMMA);
$this->geomExpr[] = $parser->ArithmeticFactor();
// 2nd signature
if ($lexer->lookahead['type'] === Lexer::T_COMMA) {
$parser->match(Lexer::T_COMMA);
$this->geomExpr[] = $parser->ArithmeticFactor();
}
// 3rd signature
if ($lexer->lookahead['type'] === Lexer::T_COMMA) {
$parser->match(Lexer::T_COMMA);
$this->geomExpr[] = $parser->ArithmeticFactor();
$parser->match(Lexer::T_COMMA);
$this->geomExpr[] = $parser->ArithmeticFactor();
// 4th signature
if ($lexer->lookahead['type'] === Lexer::T_COMMA) {
// sizeM
$parser->match(Lexer::T_COMMA);
$this->geomExpr[] = $parser->ArithmeticFactor();
}
}
$parser->match(Lexer::T_CLOSE_PARENTHESIS);
}
}