/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Sun designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Sun in the LICENSE file that accompanied this code.

 *

 * This code 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

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

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 *

 */

/*

 *

 * (C) Copyright IBM Corp. 2003 - All Rights Reserved

 *

 */

#include "LETypes.h"

#include "OpenTypeTables.h"

#include "GlyphSubstitutionTables.h"

#include "LookupProcessor.h"

#include "ExtensionSubtables.h"

#include "GlyphIterator.h"

#include "LESwaps.h"

// FIXME: should look at the format too... maybe have a sub-class for it?

le_uint32 ExtensionSubtable::process(const LookupProcessor *lookupProcessor, le_uint16 lookupType,

                                      GlyphIterator *glyphIterator, const LEFontInstance *fontInstance) const

{

    le_uint16 elt = SWAPW(extensionLookupType);

    if (elt != lookupType) {

        le_uint32 extOffset = SWAPL(extensionOffset);

        LookupSubtable *subtable = (LookupSubtable *) ((char *) this + extOffset);

        return lookupProcessor->applySubtable(subtable, elt, glyphIterator, fontInstance);

    }

    return 0;

}