1 /*
   2  * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package build.tools.generatecharacter;
  27 
  28 import java.util.regex.*;
  29 import java.util.*;
  30 import java.io.*;
  31 
  32 /**
  33  * A PropList object contains the lists of code points that have
  34  * the same Unicode property defined in PropList.txt
  35  *
  36  * @author Xueming Shen
  37  */
  38 public class PropList {
  39 
  40     public static PropList readSpecFile(File file, int plane)
  41         throws IOException
  42     {
  43         return new PropList(file, plane);
  44     }
  45 
  46     public List<Integer> codepoints(String name) {
  47         return propMap.get(name);
  48     }
  49 
  50     public Set<String> names() {
  51         return propMap.keySet();
  52     }
  53 
  54     private Map<String, ArrayList<Integer>> propMap =
  55         new LinkedHashMap<String, ArrayList<Integer>>();
  56 
  57     private PropList(File file, int plane) throws IOException {
  58 
  59         int i, j;
  60         BufferedReader sbfr = new BufferedReader(new FileReader(file));
  61         Matcher m = Pattern.compile("(\\p{XDigit}+)(?:\\.{2}(\\p{XDigit}+))?\\s*;\\s+(\\w+)\\s+#.*").matcher("");
  62         String line = null;
  63         int lineNo = 0;
  64         while ((line = sbfr.readLine()) != null) {
  65             lineNo++;
  66             if (line.length() <= 1 || line.charAt(0) == '#') {
  67                 continue;
  68             }
  69             m.reset(line);
  70             if (m.matches()) {
  71                 int start = Integer.parseInt(m.group(1), 16);
  72                 if ((start >> 16) != plane)
  73                     continue;
  74                 int end = (m.group(2)==null)?start
  75                           :Integer.parseInt(m.group(2), 16);
  76                 String name = m.group(3);
  77 
  78                 start &= 0xffff;
  79                 end &= 0xffff;
  80 
  81                 ArrayList<Integer> list = propMap.get(name);
  82                 if (list == null) {
  83                     list = new ArrayList<Integer>();
  84                     propMap.put(name, list);
  85                 }
  86                 while (start <= end)
  87                     list.add(start++);
  88             } else {
  89                 System.out.printf("Warning: Unrecognized line %d <%s>%n", lineNo, line);
  90             }
  91         }
  92         sbfr.close();
  93 
  94         //for (String name: propMap.keySet()) {
  95         //    System.out.printf("%s    %d%n", name, propMap.get(name).size());
  96         //}
  97     }
  98 
  99     public static void main(String[] args) throws IOException {
 100         readSpecFile(new File(args[0]), Integer.decode(args[1]));
 101     }
 102 }