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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libjava/] [classpath/] [gnu/] [java/] [nio/] [charset/] [iconv/] [IconvEncoder.java] - Blame information for rev 769

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1 769 jeremybenn
/* IconvEncoder.java --
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   Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING.  If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library.  Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module.  An independent module is a module which is not derived from
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or based on this library.  If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so.  If you do not wish to do so, delete this
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exception statement from your version. */
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package gnu.java.nio.charset.iconv;
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import gnu.classpath.Pointer;
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import java.nio.ByteBuffer;
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import java.nio.CharBuffer;
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import java.nio.charset.Charset;
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import java.nio.charset.CharsetEncoder;
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import java.nio.charset.CoderResult;
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final class IconvEncoder extends CharsetEncoder
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{
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  private Pointer data;
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  private int inremaining;
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  private int outremaining;
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  private native void openIconv(String name);
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  private native int encode(char[] in, byte[] out, int posIn, int remIn,
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                            int posOut, int remOut);
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  private native void closeIconv();
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  IconvEncoder(Charset cs, IconvMetaData info)
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  {
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    super(cs, info.averageBytesPerChar(), info.maxBytesPerChar());
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    openIconv(info.iconvName());
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  }
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  protected CoderResult encodeLoop(CharBuffer in, ByteBuffer out)
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  {
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    int inPos = in.position();
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    int outPos = out.position();
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    int remIn = in.remaining();
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    int remOut = out.remaining();
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    char[] inArr;
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    int ret;
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    if (in.hasArray())
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      inArr = in.array();
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    else
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      {
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        inArr = new char[remIn];
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        in.get(inArr);
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      }
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    if (out.hasArray())
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      {
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        ret = encode(inArr, out.array(), inPos, remIn, outPos, remOut);
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        out.position(outPos + (remOut - outremaining));
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      }
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    else
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      {
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        byte[] outArr = new byte[remOut];
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        ret = encode(inArr, outArr, inPos, remIn, outPos, remOut);
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        out.put(outArr, 0, (remOut - outremaining));
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      }
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    in.position(inPos + (remIn - inremaining));
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    if (ret == 1)
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      return CoderResult.malformedForLength(1);
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    if (in.remaining() == 0)
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      return CoderResult.UNDERFLOW;
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    return CoderResult.OVERFLOW;
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  }
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  protected void finalize()
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  {
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    closeIconv();
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  }
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}

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