1 /* Writing C# .resources files.
2 Copyright (C) 2003, 2005 Free Software Foundation, Inc.
3 Written by Bruno Haible <bruno@clisp.org>, 2003.
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 #ifdef HAVE_CONFIG_H
20 # include <config.h>
21 #endif
22
23 /* Specification. */
24 #include "write-resources.h"
25
26 #include <errno.h>
27 #include <stdbool.h>
28 #include <stdlib.h>
29 #include <stdio.h>
30 #include <string.h>
31
32 #include "error.h"
33 #include "xerror.h"
34 #include "relocatable.h"
35 #include "csharpexec.h"
36 #include "pipe.h"
37 #include "wait-process.h"
38 #include "message.h"
39 #include "msgfmt.h"
40 #include "msgl-iconv.h"
41 #include "po-charset.h"
42 #include "xalloc.h"
43 #include "pathname.h"
44 #include "fwriteerror.h"
45 #include "exit.h"
46 #include "gettext.h"
47
48 #define _(str) gettext (str)
49
50
51 /* A .resources file has such a complex format that it's most easily generated
52 through the C# class ResourceWriter. So we start a C# process to execute
53 the WriteResource program, sending it the msgid/msgstr pairs as
54 NUL-terminated UTF-8 encoded strings. */
55
56 struct locals
57 {
58 /* IN */
59 message_list_ty *mlp;
60 };
61
62 static bool
execute_writing_input(const char * progname,const char * prog_path,char ** prog_argv,void * private_data)63 execute_writing_input (const char *progname,
64 const char *prog_path, char **prog_argv,
65 void *private_data)
66 {
67 struct locals *l = (struct locals *) private_data;
68 pid_t child;
69 int fd[1];
70 FILE *fp;
71 int exitstatus;
72
73 /* Open a pipe to the C# execution engine. */
74 child = create_pipe_out (progname, prog_path, prog_argv, NULL, false,
75 true, true, fd);
76
77 fp = fdopen (fd[0], "wb");
78 if (fp == NULL)
79 error (EXIT_FAILURE, errno, _("fdopen() failed"));
80
81 /* Write the message list. */
82 {
83 message_list_ty *mlp = l->mlp;
84 size_t j;
85
86 for (j = 0; j < mlp->nitems; j++)
87 {
88 message_ty *mp = mlp->item[j];
89
90 fwrite (mp->msgid, 1, strlen (mp->msgid) + 1, fp);
91 fwrite (mp->msgstr, 1, strlen (mp->msgstr) + 1, fp);
92 }
93 }
94
95 if (fwriteerror (fp))
96 error (EXIT_FAILURE, 0, _("error while writing to %s subprocess"),
97 progname);
98
99 /* Remove zombie process from process list, and retrieve exit status. */
100 /* He we can ignore SIGPIPE because WriteResource either writes to a file
101 - then it never gets SIGPIPE - or to standard output, and in the latter
102 case it has no side effects other than writing to standard output. */
103 exitstatus = wait_subprocess (child, progname, true, false, true, true);
104 if (exitstatus != 0)
105 error (EXIT_FAILURE, 0, _("%s subprocess failed with exit code %d"),
106 progname, exitstatus);
107
108 return false;
109 }
110
111 int
msgdomain_write_csharp_resources(message_list_ty * mlp,const char * canon_encoding,const char * domain_name,const char * file_name)112 msgdomain_write_csharp_resources (message_list_ty *mlp,
113 const char *canon_encoding,
114 const char *domain_name,
115 const char *file_name)
116 {
117 /* If no entry for this domain don't even create the file. */
118 if (mlp->nitems != 0)
119 {
120 /* Determine whether mlp has entries with context. */
121 {
122 bool has_context;
123 size_t j;
124
125 has_context = false;
126 for (j = 0; j < mlp->nitems; j++)
127 if (mlp->item[j]->msgctxt != NULL)
128 has_context = true;
129 if (has_context)
130 {
131 multiline_error (xstrdup (""),
132 xstrdup (_("\
133 message catalog has context dependent translations\n\
134 but the C# .resources format doesn't support contexts\n")));
135 return 1;
136 }
137 }
138
139 /* Determine whether mlp has plural entries. */
140 {
141 bool has_plural;
142 size_t j;
143
144 has_plural = false;
145 for (j = 0; j < mlp->nitems; j++)
146 if (mlp->item[j]->msgid_plural != NULL)
147 has_plural = true;
148 if (has_plural)
149 {
150 multiline_error (xstrdup (""),
151 xstrdup (_("\
152 message catalog has plural form translations\n\
153 but the C# .resources format doesn't support plural handling\n")));
154 return 1;
155 }
156 }
157
158 /* Convert the messages to Unicode. */
159 iconv_message_list (mlp, canon_encoding, po_charset_utf8, NULL);
160
161 /* Execute the WriteResource program. */
162 {
163 const char *args[2];
164 const char *gettextexedir;
165 char *assembly_path;
166 struct locals locals;
167
168 /* Prepare arguments. */
169 args[0] = file_name;
170 args[1] = NULL;
171
172 /* Make it possible to override the .exe location. This is
173 necessary for running the testsuite before "make install". */
174 gettextexedir = getenv ("GETTEXTCSHARPEXEDIR");
175 if (gettextexedir == NULL || gettextexedir[0] == '\0')
176 gettextexedir = relocate (LIBDIR "/gettext");
177
178 assembly_path =
179 concatenated_pathname (gettextexedir, "msgfmt.net", ".exe");
180
181 locals.mlp = mlp;
182
183 if (execute_csharp_program (assembly_path, NULL, 0,
184 args,
185 verbose, false,
186 execute_writing_input, &locals))
187 /* An error message should already have been provided. */
188 exit (EXIT_FAILURE);
189
190 free (assembly_path);
191 }
192 }
193
194 return 0;
195 }
196