mirror of git://gcc.gnu.org/git/gcc.git
125 lines
3.3 KiB
Java
125 lines
3.3 KiB
Java
/* BaseBreakIterator.java -- Base class for default BreakIterators
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Copyright (C) 1999, 2001, 2004 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.text;
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import java.text.BreakIterator;
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import java.text.CharacterIterator;
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import java.text.StringCharacterIterator;
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/**
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* @author Tom Tromey <tromey@cygnus.com>
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* @date March 22, 1999
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*/
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public abstract class BaseBreakIterator extends BreakIterator
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{
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public BaseBreakIterator ()
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{
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// It isn't documented, but break iterators are created in a
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// working state; their methods won't throw exceptions before
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// setText().
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iter = new StringCharacterIterator("");
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}
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public int current ()
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{
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return iter.getIndex();
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}
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public int first ()
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{
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iter.first();
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return iter.getBeginIndex();
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}
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/**
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* Return the first boundary after <code>pos</code>.
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* This has the side effect of setting the index of the
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* CharacterIterator.
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*/
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public int following (int pos)
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{
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iter.setIndex(pos);
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int r = next ();
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return r;
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}
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public CharacterIterator getText ()
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{
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return iter;
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}
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public int last ()
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{
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iter.last();
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// Go past the last character.
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iter.next();
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return iter.getEndIndex();
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}
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public int next (int n)
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{
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int r = iter.getIndex ();
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if (n > 0)
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{
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while (n > 0 && r != DONE)
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{
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r = next ();
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--n;
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}
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}
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else if (n < 0)
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{
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while (n < 0 && r != DONE)
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{
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r = previous ();
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++n;
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}
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}
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return r;
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}
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public void setText (CharacterIterator newText)
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{
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iter = newText;
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}
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protected CharacterIterator iter;
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}
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