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doctrine2/lib/Doctrine/Query/Condition.php

118 lines
4.1 KiB
PHP

<?php
/*
* $Id$
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* This software consists of voluntary contributions made by many individuals
* and is licensed under the LGPL. For more information, see
* <http://www.phpdoctrine.org>.
*/
Doctrine::autoload('Doctrine_Query_Part');
/**
* Doctrine_Query_Condition
*
* @package Doctrine
* @subpackage Query
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @link www.phpdoctrine.org
* @since 1.0
* @version $Revision$
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
*/
abstract class Doctrine_Query_Condition extends Doctrine_Query_Part
{
/**
* DQL CONDITION PARSER
* parses the join condition/where/having part of the query string
*
* @param string $str
* @return string
*/
public function parse($str)
{
$tmp = trim($str);
$parts = $this->_tokenizer->bracketExplode($str, array(' \&\& ', ' AND '), '(', ')');
if (count($parts) > 1) {
$ret = array();
foreach ($parts as $part) {
$part = $this->_tokenizer->bracketTrim($part, '(', ')');
$ret[] = $this->parse($part);
}
$r = implode(' AND ', $ret);
} else {
$parts = $this->_tokenizer->bracketExplode($str, array(' \|\| ', ' OR '), '(', ')');
if (count($parts) > 1) {
$ret = array();
foreach ($parts as $part) {
$part = $this->_tokenizer->bracketTrim($part, '(', ')');
$ret[] = $this->parse($part);
}
$r = implode(' OR ', $ret);
} else {
// Fix for #710
if (substr($parts[0],0,1) == '(' && substr($parts[0], -1) == ')') {
return $this->parse(substr($parts[0], 1, -1));
} else {
// Processing NOT here
if (strtoupper(substr($parts[0], 0, 4)) === 'NOT ') {
$r = 'NOT ('.$this->parse(substr($parts[0], 4)).')';
} else {
return $this->load($parts[0]);
}
}
}
}
return '(' . $r . ')';
}
/**
* parses a literal value and returns the parsed value
*
* boolean literals are parsed to integers
* components are parsed to associated table aliases
*
* @param string $value literal value to be parsed
* @return string
*/
public function parseLiteralValue($value)
{
// check that value isn't a string
if (strpos($value, '\'') === false) {
// parse booleans
$value = $this->query->getConnection()
->dataDict->parseBoolean($value);
$a = explode('.', $value);
if (count($a) > 1) {
// either a float or a component..
if ( ! is_numeric($a[0])) {
// a component found
$field = array_pop($a);
$reference = implode('.', $a);
$value = $this->query->getTableAlias($reference). '.' . $field;
}
}
} else {
// string literal found
}
return $value;
}
}