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lib/Doctrine/Iterator/Expandable.php

-<?php
-Doctrine::autoload('Doctrine_Iterator');
-
-class Doctrine_Iterator_Expandable extends Doctrine_Iterator {
-    public function valid() {
-        if($this->index < $this->count)
-            return true;
-        elseif($this->index == $this->count) {
-
-            $coll  = $this->collection->expand($this->index);
-
-            if($coll instanceof Doctrine_Collection) {
-                $count = count($coll);
-                if($count > 0) {
-                    $this->keys   = array_merge($this->keys, $coll->getKeys());
-                    $this->count += $count;
-                    return true;
-                }
-            }
-
-            return false;
-        }
-    }
-}
-

lib/Doctrine/Iterator/Normal.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.com>.
- */
-Doctrine::autoload('Doctrine_Iterator');
-
-class Doctrine_Iterator_Normal extends Doctrine_Iterator {
-    /**
-     * @return boolean                          whether or not the iteration will continue
-     */
-    public function valid() {
-        return ($this->index < $this->count);
-    }
-}
-

lib/Doctrine/Iterator/Offset.php

-<?php
-Doctrine::autoload('Doctrine_Iterator');
-
-class Doctrine_Iterator_Offset extends Doctrine_Iterator {
-    public function valid() { }
-}
-
-