CharacterName.java revision 8845:4be14673b9bf 
1package build.tools.generatecharacter;
2
3import java.io.*;
4import java.nio.*;
5import java.util.*;
6import java.util.zip.*;
7
8public class CharacterName {
9
10    public static void main(String[] args) {
11        FileReader reader = null;
12        try {
13            if (args.length != 2) {
14                System.err.println("Usage: java CharacterName UnicodeData.txt uniName.dat");
15                System.exit(1);
16            }
17
18            reader = new FileReader(args[0]);
19            BufferedReader bfr = new BufferedReader(reader);
20            String line = null;
21
22            StringBuilder namePool = new StringBuilder();
23            byte[] cpPoolBytes = new byte[0x100000];
24            ByteBuffer cpBB = ByteBuffer.wrap(cpPoolBytes);
25            int lastCp = 0;
26            int cpNum = 0;
27
28            while ((line = bfr.readLine()) != null) {
29                if (line.startsWith("#"))
30                    continue;
31                UnicodeSpec spec = UnicodeSpec.parse(line);
32                if (spec != null) {
33                    int cp = spec.getCodePoint();
34                    String name = spec.getName();
35                    cpNum++;
36                    if (name.equals("<control>") && spec.getOldName() != null) {
37                        if (spec.getOldName().length() != 0)
38                            name = spec.getOldName();
39                        else
40                            continue;
41                    } else if (name.startsWith("<")) {
42                        /*
43                          3400    <CJK Ideograph Extension A, First>
44                          4db5    <CJK Ideograph Extension A, Last>
45                          4e00    <CJK Ideograph, First>
46                          9fc3    <CJK Ideograph, Last>
47                          ac00    <Hangul Syllable, First>
48                          d7a3    <Hangul Syllable, Last>
49                          d800    <Non Private Use High Surrogate, First>
50                          db7f    <Non Private Use High Surrogate, Last>
51                          db80    <Private Use High Surrogate, First>
52                          dbff    <Private Use High Surrogate, Last>
53                          dc00    <Low Surrogate, First>
54                          dfff    <Low Surrogate, Last>
55                          e000    <Private Use, First>
56                          f8ff    <Private Use, Last>
57                         20000    <CJK Ideograph Extension B, First>
58                         2a6d6    <CJK Ideograph Extension B, Last>
59                         f0000    <Plane 15 Private Use, First>
60                         ffffd    <Plane 15 Private Use, Last>
61                        */
62                        continue;
63                    }
64
65                    if (cp == lastCp + 1) {
66                        cpBB.put((byte)name.length());
67                    } else {
68                        cpBB.put((byte)0);  // segment start flag
69                        cpBB.putInt((name.length() << 24) | (cp & 0xffffff));
70                    }
71                    namePool.append(name);
72                    lastCp = cp;
73                }
74            }
75
76            byte[] namePoolBytes = namePool.toString().getBytes("ASCII");
77            int cpLen = cpBB.position();
78            int total = cpLen + namePoolBytes.length;
79
80            DataOutputStream dos = new DataOutputStream(
81                                       new DeflaterOutputStream(
82                                           new FileOutputStream(args[1])));
83            dos.writeInt(total);  // total
84            dos.writeInt(cpLen);  // nameOff
85            dos.write(cpPoolBytes, 0, cpLen);
86            dos.write(namePoolBytes);
87            dos.close();
88
89        } catch (Throwable e) {
90            System.out.println("Unexpected exception:");
91            e.printStackTrace();
92        } finally {
93            if (reader != null) {
94                try {
95                    reader.close();
96                } catch (Throwable ee) { ee.printStackTrace(); }
97            }
98        }
99    }
100}
101