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package org.gedml;

import java.io.*;

/*
* org.lm.gedml.AnselOutputStreamWriter
* This class produces an output stream of bytes representing
* ANSEL-encoded characters, from UNICODE characters supplied as
* input.
* @Author: [email protected]
* @Version: 20 May 1998
* 20 May 1998: conversion tables updated with input from John Cowan
* Nov 2011: conversion tables updated again based upon
* http://www.heiner-eichmann.de/gedcom/oldansset.htm and http://lcweb2.loc.gov/diglib/codetables/45.html
*/
public class AnselOutputStreamWriter extends OutputStreamWriter
{
    private OutputStream output;

    public AnselOutputStreamWriter(OutputStream out)
    throws IOException
    {
        super(out);
        output = out;
    }

    /*
    * Write one UNICODE character
    */

    public void write(int c) throws IOException
    {

        int ansel;
        if (c<128) output.write(c);
        else {
          ansel = convert(c);
          if (ansel < 256) {
            output.write(ansel);
          } else {
            output.write(ansel / 256);
            output.write(ansel % 256);
          }
        }
    }

    /*
    * Write part of an array of UNICODE characters
    */

    public void write(char cbuf[], int off, int len)
                     throws IOException
    {
        for (int i=off; i