xref: /netbsd-src/external/gpl2/gettext/dist/gettext-tools/src/msgl-ascii.c (revision 946379e7b37692fc43f68eb0d1c10daa0a7f3b6c)
1 /* Message list test for ASCII character set.
2    Copyright (C) 2001-2002, 2005-2006 Free Software Foundation, Inc.
3    Written by Bruno Haible <haible@clisp.cons.org>, 2001.
4 
5    This program is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 2, or (at your option)
8    any later version.
9 
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program; if not, write to the Free Software Foundation,
17    Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */
18 
19 
20 #ifdef HAVE_CONFIG_H
21 # include "config.h"
22 #endif
23 
24 /* Specification.  */
25 #include "msgl-ascii.h"
26 
27 #include "c-ctype.h"
28 
29 
30 /* This file's structure parallels msgl-iconv.c.  */
31 
32 
33 bool
is_ascii_string(const char * string)34 is_ascii_string (const char *string)
35 {
36   for (; *string; string++)
37     if (!c_isascii ((unsigned char) *string))
38       return false;
39   return true;
40 }
41 
42 bool
is_ascii_string_list(string_list_ty * slp)43 is_ascii_string_list (string_list_ty *slp)
44 {
45   size_t i;
46 
47   if (slp != NULL)
48     for (i = 0; i < slp->nitems; i++)
49       if (!is_ascii_string (slp->item[i]))
50 	return false;
51   return true;
52 }
53 
54 bool
is_ascii_message(message_ty * mp)55 is_ascii_message (message_ty *mp)
56 {
57   const char *p = mp->msgstr;
58   const char *p_end = p + mp->msgstr_len;
59 
60   for (; p < p_end; p++)
61     if (!c_isascii ((unsigned char) *p))
62       return false;
63 
64   if (!is_ascii_string_list (mp->comment))
65     return false;
66   if (!is_ascii_string_list (mp->comment_dot))
67     return false;
68 
69   /* msgid and msgid_plural are normally ASCII, so why checking?
70      Because in complete UTF-8 environments they can be UTF-8, not ASCII.  */
71   if (!is_ascii_string (mp->msgid))
72     return false;
73   if (mp->msgid_plural != NULL && !is_ascii_string (mp->msgid_plural))
74     return false;
75 
76   /* Likewise for msgctxt.  */
77   if (mp->msgctxt != NULL && !is_ascii_string (mp->msgctxt))
78     return false;
79 
80   /* Likewise for the prev_* fields.  */
81   if (mp->prev_msgctxt != NULL && !is_ascii_string (mp->prev_msgctxt))
82     return false;
83   if (mp->prev_msgid != NULL && !is_ascii_string (mp->prev_msgid))
84     return false;
85   if (mp->prev_msgid_plural != NULL && !is_ascii_string (mp->prev_msgid_plural))
86     return false;
87 
88   return true;
89 }
90 
91 bool
is_ascii_message_list(message_list_ty * mlp)92 is_ascii_message_list (message_list_ty *mlp)
93 {
94   size_t j;
95 
96   for (j = 0; j < mlp->nitems; j++)
97     if (!is_ascii_message (mlp->item[j]))
98       return false;
99 
100   return true;
101 }
102 
103 bool
is_ascii_msgdomain_list(msgdomain_list_ty * mdlp)104 is_ascii_msgdomain_list (msgdomain_list_ty *mdlp)
105 {
106   size_t k;
107 
108   for (k = 0; k < mdlp->nitems; k++)
109     if (!is_ascii_message_list (mdlp->item[k]->messages))
110       return false;
111 
112   return true;
113 }
114