/*

   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.*;

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

    private final short platformId;
    private final short encodingId;
    private final short languageId;
    private final short nameId;
    private final short stringLength;
    private final short stringOffset;
    private String record;

    protected NameRecord(RandomAccessFileEmulator raf) throws IOException {
        platformId = raf.readShort();
        encodingId = raf.readShort();
        languageId = raf.readShort();
        nameId = raf.readShort();
        stringLength = raf.readShort();
        stringOffset = raf.readShort();
    }
    
    public short getEncodingId() {
        return encodingId;
    }
    
    public short getLanguageId() {
        return languageId;
    }
    
    public short getNameId() {
        return nameId;
    }
    
    public short getPlatformId() {
        return platformId;
    }

    public String getRecordString() {
        return record;
    }

    protected void loadString(RandomAccessFileEmulator raf, int stringStorageOffset) throws IOException {
        StringBuilder sb = new StringBuilder();
        raf.seek(stringStorageOffset + stringOffset);
        if (platformId == Table.platformAppleUnicode) {
            
            // Unicode (big-endian)
            for (int i = 0; i < stringLength/2; i++) {
                sb.append(raf.readChar());
            }
        } else if (platformId == Table.platformMacintosh) {

            // Macintosh encoding, ASCII
            for (int i = 0; i < stringLength; i++) {
                sb.append((char) raf.readByte());
            }
        } else if (platformId == Table.platformISO) {
            
            // ISO encoding, ASCII
            for (int i = 0; i < stringLength; i++) {
                sb.append((char) raf.readByte());
            }
        } else if (platformId == Table.platformMicrosoft) {
            
            // Microsoft encoding, Unicode
            char c;
            for (int i = 0; i < stringLength/2; i++) {
                c = raf.readChar();
                sb.append(c);
            }
        }
        record = sb.toString();
    }
}