xref: /freebsd/crypto/heimdal/lib/wind/gen-bidi.py (revision c697fb7f)
1#!/usr/local/bin/python
2# -*- coding: iso-8859-1 -*-
3
4# $Id$
5
6# Copyright (c) 2004 Kungliga Tekniska Högskolan
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
37import re
38import string
39import sys
40
41import generate
42import rfc3454
43
44if len(sys.argv) != 3:
45    print "usage: %s rfc3454.txt outdir" % sys.argv[0]
46    sys.exit(1)
47
48tables = rfc3454.read(sys.argv[1])
49
50bidi_h = generate.Header('%s/bidi_table.h' % sys.argv[2])
51
52bidi_c = generate.Implementation('%s/bidi_table.c' % sys.argv[2])
53
54bidi_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
71bidi_c.file.write(
72'''
73#include <stdlib.h>
74#include "bidi_table.h"
75
76''')
77
78def 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
98printTable(bidi_c.file, 'D.1', '_wind_ral_table')
99printTable(bidi_c.file, 'D.2', '_wind_l_table')
100
101bidi_h.close()
102bidi_c.close()
103