1 /* FriBidi
2 * gen-unicode-version.c - generate fribidi-unicode-version.h
3 *
4 * Author:
5 * Behdad Esfahbod, 2001, 2002, 2004
6 *
7 * Copyright (C) 2004 Sharif FarsiWeb, Inc
8 * Copyright (C) 2004 Behdad Esfahbod
9 *
10 * This library is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU Lesser General Public
12 * License as published by the Free Software Foundation; either
13 * version 2.1 of the License, or (at your option) any later version.
14 *
15 * This library is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
18 * Lesser General Public License for more details.
19 *
20 * You should have received a copy of the GNU Lesser General Public License
21 * along with this library, in a file named COPYING; if not, write to the
22 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
23 * Boston, MA 02110-1301, USA
24 *
25 * For licensing issues, contact <fribidi.license@gmail.com>.
26 */
27
28 #include <common.h>
29
30 #include <stdio.h>
31 #ifdef HAVE_CONFIG_H
32 # include <config.h>
33 #endif
34
35 #ifdef STDC_HEADERS
36 # include <stdlib.h>
37 # include <stddef.h>
38 #else
39 # if HAVE_STDLIB_H
40 # include <stdlib.h>
41 # endif
42 #endif
43 #ifdef HAVE_STRING_H
44 # if !STDC_HEADERS && HAVE_MEMORY_H
45 # include <memory.h>
46 # endif
47 # include <string.h>
48 #endif
49 #ifdef HAVE_STRINGS_H
50 # include <strings.h>
51 #endif
52
53 #include "packtab.h"
54
55 #define appname "gen-unicode-version"
56 #define outputname "fribidi-unicode-version.h"
57
58 static void
59 die (
60 const char *msg
61 )
62 {
63 fprintf (stderr, appname ": %s\n", msg);
64 exit (1);
65 }
66
67 static void
68 die2 (
69 const char *fmt,
70 const char *p
71 )
72 {
73 fprintf (stderr, appname ": ");
74 fprintf (stderr, fmt, p);
75 fprintf (stderr, "\n");
76 exit (1);
77 }
78
79 int version_major, version_minor, version_micro;
80 char unicode_version[100];
81 char buf[4000];
82
83 static void
84 init (
85 void
86 )
87 {
88 version_major = version_minor = version_micro = 0;
89 strcpy (unicode_version, "(unknown)");
90 }
91
92 #define READ_VERSION(prefix) ((where = strstr(buf, prefix)) && \
93 (3 == sscanf (where, \
94 prefix"%d.%d.%d", &version_major, &version_minor, &version_micro)))
95
96 static int
97 read_file (
98 FILE *f
99 )
100 {
101 int found = 0;
102
103 version_micro = 0;
104
105 while (fgets (buf, sizeof buf, f))
106 {
107 const char *where;
108
109 if (READ_VERSION ("Version ") || READ_VERSION ("Unicode "))
110 {
111 found = 1;
112 break;
113 }
114 }
115
116 if (!found)
117 return 0;
118
119 sprintf (unicode_version, "%d.%d.%d", version_major, version_minor,
120 version_micro);
121 return 1;
122 }
123
124 static int
125 read_data (
126 const char *data_file_type,
127 const char *data_file_name
128 )
129 {
130 FILE *f;
131 int status;
132
133 if (!(f = fopen (data_file_name, "rt")))
134 die2 ("error: cannot open `%s' for reading", data_file_name);
135
136 status = read_file (f);
137
138 fclose (f);
139
140 return status;
141 }
142
143 static void
144 gen_unicode_version (
145 const char *data_file_type
146 )
147 {
148 printf ("/* " outputname "\n * generated by " appname " (" FRIBIDI_NAME " "
149 FRIBIDI_VERSION ")\n" " * from the file %s */\n\n", data_file_type);
150
151 printf ("#define FRIBIDI_UNICODE_VERSION \"%s\"\n"
152 "#define FRIBIDI_UNICODE_MAJOR_VERSION %d\n"
153 "#define FRIBIDI_UNICODE_MINOR_VERSION %d\n"
154 "#define FRIBIDI_UNICODE_MICRO_VERSION %d\n"
155 "\n",
156 unicode_version,
157 version_major, version_minor, version_micro);
158
159 printf ("/* End of generated " outputname " */\n");
160 }
161
162 int
163 main (
164 int argc,
165 const char **argv
166 )
167 {
168 const char *data_file_type;
169 int i;
170 int found = 0;
171
172 if (argc < 2)
173 die ("usage:\n " appname
174 " /path/to/a/UCD/file [/path/to/more/UCD/files ...]");
175
176 {
177 const char *data_file_name;
178
179 init ();
180 for (i = 1; i < argc && !found; i++)
181 {
182 data_file_name = argv[i];
183 data_file_type = strrchr (data_file_name, '/');
184 if (data_file_type)
185 data_file_type++;
186 else
187 data_file_type = data_file_name;
188 found = read_data (data_file_type, data_file_name);
189 }
190 if (!found)
191 die ("error: version not found");
192 gen_unicode_version (data_file_type);
193 }
194
195 return 0;
196 }