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