/*

 Copyright 2001  The Apache Software Foundation 

 Licensed under the Apache License, Version 2.0 (the "License");
 you may not use this file except in compliance with the License.
 You may obtain a copy of the License at

 http://www.apache.org/licenses/LICENSE-2.0

 Unless required by applicable law or agreed to in writing, software
 distributed under the License is distributed on an "AS IS" BASIS,
 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 See the License for the specific language governing permissions and
 limitations under the License.

 */
package org.apache.batik.svggen.font.table;

import java.io.IOException;
import org.apache.batik.svggen.font.*;

/**
 *
 * @author <a href="mailto:david@steadystate.co.uk">David Schweinsberg</a>
 * @version $Id: Script.java,v 1.3 2004/08/18 07:15:22 vhardy Exp $
 */
public class Script {

    private final int defaultLangSysOffset;
    private final int langSysCount;
    private LangSysRecord[] langSysRecords;
    private LangSys defaultLangSys;
    private LangSys[] langSys;

    /**
     * Creates new ScriptTable
     *
     * @param raf
     * @param offset
     * @throws java.io.IOException
     */
    protected Script(RandomAccessFileEmulator raf, int offset) throws IOException {
        raf.seek(offset);
        defaultLangSysOffset = raf.readUnsignedShort();
        langSysCount = raf.readUnsignedShort();
        if (langSysCount > 0) {
            langSysRecords = new LangSysRecord[langSysCount];
            for (int i = 0; i < langSysCount; i++) {
                langSysRecords[i] = new LangSysRecord(raf);
            }
        }

        // Read the LangSys tables
        if (langSysCount > 0) {
            langSys = new LangSys[langSysCount];
            for (int i = 0; i < langSysCount; i++) {
                raf.seek(offset + langSysRecords[i].getOffset());
                langSys[i] = new LangSys(raf);
            }
        }
        if (defaultLangSysOffset > 0) {
            raf.seek(offset + defaultLangSysOffset);
            defaultLangSys = new LangSys(raf);
        }
    }

    public LangSys getDefaultLangSys() {
        return defaultLangSys;
    }

}