lib/wind/gen-bidi.py

1 #!/usr/local/bin/python
2 # -*- coding: iso-8859-1 -*-
3
4 # $Id$
5
6 # Copyright (c) 2004 Kungliga Tekniska H��gskolan
7 # (Royal Institute of Technology, Stockholm, Sweden).
8 # All rights reserved.
9 #
10 # Redistribution and use in source and binary forms, with or without
11 # modification, are permitted provided that the following conditions
12 # are met:
13 #
14 # 1. Redistributions of source code must retain the above copyright
15 # notice, this list of conditions and the following disclaimer.
16 #
17 # 2. Redistributions in binary form must reproduce the above copyright
18 # notice, this list of conditions and the following disclaimer in the
19 # documentation and/or other materials provided with the distribution.
20 #
21 # 3. Neither the name of the Institute nor the names of its contributors
22 # may be used to endorse or promote products derived from this software
23 # without specific prior written permission.
24 #
25 # THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
26 # ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 # ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
29 # FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 # OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 # HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 # LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 # OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 # SUCH DAMAGE.
36
37 import re
38 import string
39 import sys
40
41 import generate
42 import rfc3454
43
44 if len(sys.argv) != 3:
45 print "usage: %s rfc3454.txt outdir" % sys.argv[0]
46 sys.exit(1)
47
48 tables = rfc3454.read(sys.argv[1])
49
50 bidi_h = generate.Header('%s/bidi_table.h' % sys.argv[2])
51
52 bidi_c = generate.Implementation('%s/bidi_table.c' % sys.argv[2])
53
54 bidi_h.file.write(
55 '''
56#include <krb5-types.h>
57
58struct range_entry {
59 uint32_t start;
60 unsigned len;
61};
62
63extern const struct range_entry _wind_ral_table[];
64extern const struct range_entry _wind_l_table[];
65
66extern const size_t _wind_ral_table_size;
67extern const size_t _wind_l_table_size;
68
69''')
70
71 bidi_c.file.write(
72 '''
73#include <stdlib.h>
74#include "bidi_table.h"
75
76''')
77
78 def printTable(file, table, variable):
79 """print table to file named as variable"""
80 file.write("const struct range_entry %s[] = {\n" % variable)
81 count = 0
82 for l in tables[table]:
83 m = re.search('^ *([0-9A-F]+)-([0-9A-F]+) *$', l)
84 if m:
85 start = int(m.group(1), 0x10)
86 end = int(m.group(2), 0x10)
87 file.write(" {0x%x, 0x%x},\n" % (start, end - start + 1))
88 count += 1
89 else:
90 m = re.search('^ *([0-9A-F]+) *$', l)
91 if m:
92 v = int(m.group(1), 0x10)
93 file.write(" {0x%x, 1},\n" % v)
94 count += 1
95 file.write("};\n\n")
96 file.write("const size_t %s_size = %u;\n\n" % (variable, count))
97
98 printTable(bidi_c.file, 'D.1', '_wind_ral_table')
99 printTable(bidi_c.file, 'D.2', '_wind_l_table')
100
101 bidi_h.close()
102 bidi_c.close()
103