| 1 | <?php |
| 2 | /* |
| 3 | * $Id: Condition.php 2702 2007-10-03 21:43:22Z Jonathan.Wage $ |
| 4 | * |
| 5 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 6 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 7 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 8 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 9 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 10 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 11 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 12 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 13 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 14 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 15 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 16 | * |
| 17 | * This software consists of voluntary contributions made by many individuals |
| 18 | * and is licensed under the LGPL. For more information, see |
| 19 | * <http://www.phpdoctrine.com>. |
| 20 | */ |
| 21 | Doctrine::autoload('Doctrine_Query_Part'); |
| 22 | /** |
| 23 | * Doctrine_Query_Condition |
| 24 | * |
| 25 | * @package Doctrine |
| 26 | * @subpackage Query |
| 27 | * @license http://www.opensource.org/licenses/lgpl-license.php LGPL |
| 28 | * @link www.phpdoctrine.com |
| 29 | * @since 1.0 |
| 30 | * @version $Revision: 2702 $ |
| 31 | * @author Konsta Vesterinen <kvesteri@cc.hut.fi> |
| 32 | */ |
| 33 | abstract class Doctrine_Query_Condition extends Doctrine_Query_Part |
| 34 | { |
| 35 | /** |
| 36 | * DQL CONDITION PARSER |
| 37 | * parses the join condition/where/having part of the query string |
| 38 | * |
| 39 | * @param string $str |
| 40 | * @return string |
| 41 | */ |
| 42 | public function parse($str) |
| 43 | { |
| 44 | $tmp = trim($str); |
| 45 | |
| 46 | $parts = Doctrine_Tokenizer::bracketExplode($str, array(' \&\& ', ' AND '), '(', ')'); |
| 47 | |
| 48 | if (count($parts) > 1) { |
| 49 | $ret = array(); |
| 50 | foreach ($parts as $part) { |
| 51 | $part = Doctrine_Tokenizer::bracketTrim($part, '(', ')'); |
| 52 | $ret[] = $this->parse($part); |
| 53 | } |
| 54 | $r = implode(' AND ', $ret); |
| 55 | } else { |
| 56 | |
| 57 | $parts = Doctrine_Tokenizer::bracketExplode($str, array(' \|\| ', ' OR '), '(', ')'); |
| 58 | if (count($parts) > 1) { |
| 59 | $ret = array(); |
| 60 | foreach ($parts as $part) { |
| 61 | $part = Doctrine_Tokenizer::bracketTrim($part, '(', ')'); |
| 62 | $ret[] = $this->parse($part); |
| 63 | } |
| 64 | $r = implode(' OR ', $ret); |
| 65 | } else { |
| 66 | if (substr($parts[0],0,1) == '(' && substr($parts[0], -1) == ')') { |
| 67 | return $this->parse(substr($parts[0], 1, -1)); |
| 68 | } else { |
| 69 | return $this->load($parts[0]); |
| 70 | } |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | return '(' . $r . ')'; |
| 75 | } |
| 76 | |
| 77 | |
| 78 | |
| 79 | /** |
| 80 | * parses a literal value and returns the parsed value |
| 81 | * |
| 82 | * boolean literals are parsed to integers |
| 83 | * components are parsed to associated table aliases |
| 84 | * |
| 85 | * @param string $value literal value to be parsed |
| 86 | * @return string |
| 87 | */ |
| 88 | public function parseLiteralValue($value) |
| 89 | { |
| 90 | // check that value isn't a string |
| 91 | if (strpos($value, '\'') === false) { |
| 92 | // parse booleans |
| 93 | $value = $this->query->getConnection() |
| 94 | ->dataDict->parseBoolean($value); |
| 95 | |
| 96 | $a = explode('.', $value); |
| 97 | |
| 98 | if (count($a) > 1) { |
| 99 | // either a float or a component.. |
| 100 | |
| 101 | if ( ! is_numeric($a[0])) { |
| 102 | // a component found |
| 103 | $value = $this->query->getTableAlias($a[0]). '.' . $a[1]; |
| 104 | } |
| 105 | } |
| 106 | } else { |
| 107 | // string literal found |
| 108 | } |
| 109 | |
| 110 | return $value; |
| 111 | } |
| 112 | } |