doctrine2/Doctrine/Query/Where.php

<?php
require_once("Condition.php");

class Doctrine_Query_Where extends Doctrine_Query_Condition {
    /**
     * load
     * returns the parsed query part
     *
     * @param string $where
     * @return string
     */
    final public function load($where) {

        $e = explode(" ",$where);
        $r = array_shift($e);
        $a = explode(".",$r);


        if(count($a) > 1) {
            $field     = array_pop($a);
            $count     = count($e);
            $slice     = array_slice($e, 0, ($count - 1));
            $operator  = implode(' ', $slice);

            $slice     = array_slice($e, -1, 1);
            $value     = implode('', $slice);

            $reference = implode(".",$a);
            $count     = count($a);


            $table     = $this->query->load($reference, false);
            switch($operator) {
                case '=':
                    $alias     = $this->query->getTableAlias($reference);
                    $table     = $this->query->getTable($alias);
                    $enumIndex = $table->enumIndex($field, trim($value,"'"));

                    if($enumIndex !== false)
                        $value = $enumIndex;

                    $where     = $alias.'.'.$field.' '.$operator.' '.$value;
                break;
                default:

                    $where     = $this->query->getTableAlias($reference).'.'.$field.' '.$operator.' '.$value;
            }
        }
        return $where;
    }

    public function __toString() {
        return ( ! empty($this->parts))?implode(" AND ", $this->parts):'';
    }
}