| 1 | <?php |
| 2 | /* |
| 3 | * $Id: JoinCondition.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_JoinCondition |
| 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 | class Doctrine_Query_JoinCondition extends Doctrine_Query_Condition |
| 34 | { |
| 35 | public function load($condition) |
| 36 | { |
| 37 | $condition = trim($condition); |
| 38 | |
| 39 | $e = Doctrine_Tokenizer::sqlExplode($condition); |
| 40 | |
| 41 | if (count($e) > 2) { |
| 42 | $a = explode('.', $e[0]); |
| 43 | $field = array_pop($a); |
| 44 | $reference = implode('.', $a); |
| 45 | $operator = $e[1]; |
| 46 | $value = $e[2]; |
| 47 | |
| 48 | $alias = $this->query->getTableAlias($reference); |
| 49 | $map = $this->query->getAliasDeclaration($reference); |
| 50 | $table = $map['table']; |
| 51 | // check if value is enumerated value |
| 52 | $enumIndex = $table->enumIndex($field, trim($value, "'")); |
| 53 | |
| 54 | |
| 55 | if (substr($value, 0, 1) == '(') { |
| 56 | // trim brackets |
| 57 | $trimmed = Doctrine_Tokenizer::bracketTrim($value); |
| 58 | |
| 59 | if (substr($trimmed, 0, 4) == 'FROM' || substr($trimmed, 0, 6) == 'SELECT') { |
| 60 | // subquery found |
| 61 | $q = $this->query->createSubquery(); |
| 62 | $value = '(' . $q->parseQuery($trimmed)->getQuery() . ')'; |
| 63 | } elseif (substr($trimmed, 0, 4) == 'SQL:') { |
| 64 | $value = '(' . substr($trimmed, 4) . ')'; |
| 65 | } else { |
| 66 | // simple in expression found |
| 67 | $e = Doctrine_Tokenizer::sqlExplode($trimmed, ','); |
| 68 | |
| 69 | $value = array(); |
| 70 | foreach ($e as $part) { |
| 71 | $index = $table->enumIndex($field, trim($part, "'")); |
| 72 | if ($index !== false) { |
| 73 | $value[] = $index; |
| 74 | } else { |
| 75 | $value[] = $this->parseLiteralValue($part); |
| 76 | } |
| 77 | } |
| 78 | $value = '(' . implode(', ', $value) . ')'; |
| 79 | } |
| 80 | } else { |
| 81 | if ($enumIndex !== false) { |
| 82 | $value = $enumIndex; |
| 83 | } else { |
| 84 | $value = $this->parseLiteralValue($value); |
| 85 | } |
| 86 | } |
| 87 | |
| 88 | switch ($operator) { |
| 89 | case '<': |
| 90 | case '>': |
| 91 | case '=': |
| 92 | case '!=': |
| 93 | if ($enumIndex !== false) { |
| 94 | $value = $enumIndex; |
| 95 | } |
| 96 | default: |
| 97 | $condition = $alias . '.' . $field . ' ' |
| 98 | . $operator . ' ' . $value; |
| 99 | } |
| 100 | |
| 101 | } |
| 102 | return $condition; |
| 103 | } |
| 104 | } |