code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2005 Daniel Naber (http://www.danielnaber.de)
   * 
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
   * USA
   */
  package org.languagetool.tokenizers.km;
  
  import java.util.ArrayList;
  import java.util.List;
  import java.util.StringTokenizer;
  
  import org.languagetool.tokenizers.Tokenizer;
  import org.languagetool.tokenizers.WordTokenizer;
  
  /**
   * Tokenizes a sentence into words. Punctuation and whitespace gets its own token.
   * 
   * @author Daniel Naber
   */
  public class KhmerWordTokenizer extends WordTokenizer {
    
    @Override
    public List<String> tokenize(String text) {
      List<String> tokens = new ArrayList<>();
      StringTokenizer st = new StringTokenizer(text, 
            "\u17D4\u17D5\u0020\u00A0\u115f\u1160\u1680" 
          + "\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007" 
          + "\u2008\u2009\u200A\u200B\u200c\u200d\u200e\u200f"
          + "\u2028\u2029\u202a\u202b\u202c\u202d\u202e\u202f"
          + "\u205F\u2060\u2061\u2062\u2063\u206A\u206b\u206c\u206d"
          + "\u206E\u206F\u3000\u3164\ufeff\uffa0\ufff9\ufffa\ufffb"  
          + ",.;()[]{}«»!?:\"'’‘„“”…\\/\t\n", true);
      while (st.hasMoreElements()) {
        tokens.add(st.nextToken());
      }
      return joinEMailsAndUrls(tokens);
    }
    
  }
  