001/* InputSubset.java -- subsets of Unicode important in text input
002   Copyright (C) 2002, 2003, 2005  Free Software Foundation, Inc.
003
004This file is part of GNU Classpath.
005
006GNU Classpath is free software; you can redistribute it and/or modify
007it under the terms of the GNU General Public License as published by
008the Free Software Foundation; either version 2, or (at your option)
009any later version.
010
011GNU Classpath is distributed in the hope that it will be useful, but
012WITHOUT ANY WARRANTY; without even the implied warranty of
013MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014General Public License for more details.
015
016You should have received a copy of the GNU General Public License
017along with GNU Classpath; see the file COPYING.  If not, write to the
018Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
01902110-1301 USA.
020
021Linking this library statically or dynamically with other modules is
022making a combined work based on this library.  Thus, the terms and
023conditions of the GNU General Public License cover the whole
024combination.
025
026As a special exception, the copyright holders of this library give you
027permission to link this library with independent modules to produce an
028executable, regardless of the license terms of these independent
029modules, and to copy and distribute the resulting executable under
030terms of your choice, provided that you also meet, for each linked
031independent module, the terms and conditions of the license of that
032module.  An independent module is a module which is not derived from
033or based on this library.  If you modify this library, you may extend
034this exception to your version of the library, but you are not
035obligated to do so.  If you do not wish to do so, delete this
036exception statement from your version. */
037
038package java.awt.im;
039
040/**
041 * Defines additional Unicode character blocks for use by input methods.
042 * These constants encompass several Unicode blocks, or portions thereof, for
043 * simplification over {@link Character.UnicodeBlock}.
044 *
045 * @author Eric Blake (ebb9@email.byu.edu)
046 * @since 1.2
047 * @status updated to 1.4
048 */
049public final class InputSubset extends Character.Subset
050{
051  /**
052   * Constant for all Latin characters, including the characters in the
053   * BASIC_LATIN, LATIN_1_SUPPLEMENT, LATIN_EXTENDED_A, LATIN_EXTENDED_B
054   * Unicode character blocks.
055   */
056  public static final InputSubset LATIN = new InputSubset("LATIN");
057
058  /**
059   * Constant for the digits included in the BASIC_LATIN Unicode character
060   * block.
061   */
062  public static final InputSubset LATIN_DIGITS
063    = new InputSubset("LATIN_DIGITS");
064
065  /**
066   * Constant for all Han characters used in writing Traditional Chinese,
067   * including a subset of the CJK unified ideographs as well as Traditional
068   * Chinese Han characters that may be defined as surrogate characters.
069   */
070  public static final InputSubset TRADITIONAL_HANZI
071    = new InputSubset("TRADITIONAL_HANZI");
072
073  /**
074   * Constant for all Han characters used in writing Simplified Chinese,
075   * including a subset of the CJK unified ideographs as well as Simplified
076   * Chinese Han characters that may be defined as surrogate characters.
077   */
078  public static final InputSubset SIMPLIFIED_HANZI
079    = new InputSubset("SIMPLIFIED_HANZI");
080
081  /**
082   * Constant for all Han characters used in writing Japanese, including a
083   * subset of the CJK unified ideographs as well as Japanese Han characters
084   * that may be defined as surrogate characters.
085   */
086  public static final InputSubset KANJI = new InputSubset("KANJI");
087
088  /**
089   * Constant for all Han characters used in writing Korean, including a
090   * subset of the CJK unified ideographs as well as Korean Han characters
091   * that may be defined as surrogate characters.
092   */
093  public static final InputSubset HANJA = new InputSubset("HANJA");
094
095  /**
096   * Constant for the halfwidth katakana subset of the Unicode halfwidth and
097   * fullwidth forms character block.
098   */
099  public static final InputSubset HALFWIDTH_KATAKANA
100    = new InputSubset("HALFWIDTH_KATAKANA");
101
102  /**
103   * Constant for the fullwidth ASCII variants subset of the Unicode
104   * halfwidth and fullwidth forms character block.
105   *
106   * @since 1.3
107   */
108  public static final InputSubset FULLWIDTH_LATIN
109    = new InputSubset("FULLWIDTH_LATIN");
110
111  /**
112   * Constant for the fullwidth digits included in the Unicode halfwidth and
113   * fullwidth forms character block.
114   *
115   * @since 1.3
116   */
117  public static final InputSubset FULLWIDTH_DIGITS
118    = new InputSubset("FULLWIDTH_DIGITS");
119
120  /**
121   * Construct a subset.
122   *
123   * @param name the subset name
124   */
125  private InputSubset(String name)
126  {
127    super(name);
128  }
129} // class InputSubset