/*

 * 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. 1998-2003 - All Rights Reserved

 *

 */

#include "LETypes.h"

#include "OpenTypeTables.h"

#include "OpenTypeUtilities.h"

#include "ScriptAndLanguage.h"

#include "LESwaps.h"

const LangSysTable *ScriptTable::findLanguage(LETag languageTag, le_bool exactMatch) const

{

    le_uint16 count = SWAPW(langSysCount);

    Offset langSysTableOffset = exactMatch? 0 : SWAPW(defaultLangSysTableOffset);

    if (count > 0) {

        Offset foundOffset =

            OpenTypeUtilities::getTagOffset(languageTag, langSysRecordArray, count);

        if (foundOffset != 0) {

            langSysTableOffset = foundOffset;

        }

    }

    if (langSysTableOffset != 0) {

        return (const LangSysTable *) ((char *)this + langSysTableOffset);

    }

    return 0;

}

const ScriptTable *ScriptListTable::findScript(LETag scriptTag) const

{

    le_uint16 count = SWAPW(scriptCount);

    Offset scriptTableOffset =

        OpenTypeUtilities::getTagOffset(scriptTag, scriptRecordArray, count);

    if (scriptTableOffset != 0) {

        return (const ScriptTable *) ((char *)this + scriptTableOffset);

    }

    return 0;

}

const LangSysTable *ScriptListTable::findLanguage(LETag scriptTag, LETag languageTag, le_bool exactMatch) const

{

    const ScriptTable *scriptTable = findScript(scriptTag);

    if (scriptTable == 0) {

        return 0;

    }

    return scriptTable->findLanguage(languageTag, exactMatch);

}