--- /dev/null
+<?php
+
+/**
+ * PEL: PHP Exif Library.
+ * A library with support for reading and
+ * writing all Exif headers in JPEG and TIFF images using PHP.
+ *
+ * Copyright (C) 2004, 2005, 2006 Martin Geisler.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program in the file COPYING; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301 USA
+ */
+namespace lsolesen\pel;
+
+/**
+ * Classes for dealing with Exif entries.
+ *
+ * This file defines two exception classes and the abstract class
+ * {@link PelEntry} which provides the basic methods that all Exif
+ * entries will have. All Exif entries will be represented by
+ * descendants of the {@link PelEntry} class --- the class itself is
+ * abstract and so it cannot be instantiated.
+ *
+ * @author Martin Geisler <mgeisler@users.sourceforge.net>
+ * @license http://www.gnu.org/licenses/gpl.html GNU General Public
+ * License (GPL)
+ * @package PEL
+ */
+
+/**
+ * Exception indicating that an unexpected format was found.
+ *
+ * The documentation for each tag in {@link PelTag} will detail any
+ * constrains.
+ *
+ * @author Martin Geisler <mgeisler@users.sourceforge.net>
+ * @package PEL
+ * @subpackage Exception
+ */
+class PelUnexpectedFormatException extends PelEntryException
+{
+
+ /**
+ * Construct a new exception indicating an invalid format.
+ *
+ * @param int $type
+ * the type of IFD.
+ *
+ * @param int $tag
+ * the tag for which the violation was found as defined in {@link PelTag}
+ *
+ * @param int $found
+ * the format found as defined in {@link PelFormat}
+ *
+ * @param int $expected
+ * the expected as defined in {@link PelFormat}
+ */
+ public function __construct($type, $tag, $found, $expected)
+ {
+ parent::__construct(
+ 'Unexpected format found for %s tag: PelFormat::%s. Expected PelFormat::%s instead.',
+ PelTag::getName($type, $tag),
+ strtoupper(PelFormat::getName($found)),
+ strtoupper(PelFormat::getName($expected)));
+ $this->tag = $tag;
+ $this->type = $type;
+ }
+}