1 /* Writing C# .resources files.
2 Copyright (C) 2003-2005, 2007-2009, 2010-2011, 2016, 2020 Free Software
3 Foundation, Inc.
4 Written by Bruno Haible <bruno@clisp.org>, 2003.
5
6 This program is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <https://www.gnu.org/licenses/>. */
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 "spawn-pipe.h"
37 #include "wait-process.h"
38 #include "message.h"
39 #include "msgfmt.h"
40 #include "msgl-iconv.h"
41 #include "msgl-header.h"
42 #include "po-charset.h"
43 #include "xalloc.h"
44 #include "concat-filename.h"
45 #include "fwriteerror.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
63 execute_writing_input (const char *progname,
64 const char *prog_path, const char * const *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,
75 NULL, false, 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 =
104 wait_subprocess (child, progname, true, false, true, true, NULL);
105 if (exitstatus != 0)
106 error (EXIT_FAILURE, 0, _("%s subprocess failed with exit code %d"),
107 progname, exitstatus);
108
109 return false;
110 }
111
112 int
113 msgdomain_write_csharp_resources (message_list_ty *mlp,
114 const char *canon_encoding,
115 const char *domain_name,
116 const char *file_name)
117 {
118 /* If no entry for this domain don't even create the file. */
119 if (mlp->nitems != 0)
120 {
121 /* Determine whether mlp has entries with context. */
122 {
123 bool has_context;
124 size_t j;
125
126 has_context = false;
127 for (j = 0; j < mlp->nitems; j++)
128 if (mlp->item[j]->msgctxt != NULL)
129 has_context = true;
130 if (has_context)
131 {
132 multiline_error (xstrdup (""),
133 xstrdup (_("\
134 message catalog has context dependent translations\n\
135 but the C# .resources format doesn't support contexts\n")));
136 return 1;
137 }
138 }
139
140 /* Determine whether mlp has plural entries. */
141 {
142 bool has_plural;
143 size_t j;
144
145 has_plural = false;
146 for (j = 0; j < mlp->nitems; j++)
147 if (mlp->item[j]->msgid_plural != NULL)
148 has_plural = true;
149 if (has_plural)
150 {
151 multiline_error (xstrdup (""),
152 xstrdup (_("\
153 message catalog has plural form translations\n\
154 but the C# .resources format doesn't support plural handling\n")));
155 return 1;
156 }
157 }
158
159 /* Convert the messages to Unicode. */
160 iconv_message_list (mlp, canon_encoding, po_charset_utf8, NULL);
161
162 /* Support for "reproducible builds": Delete information that may vary
163 between builds in the same conditions. */
164 message_list_delete_header_field (mlp, "POT-Creation-Date:");
165
166 /* Execute the WriteResource program. */
167 {
168 const char *args[2];
169 const char *gettextexedir;
170 char *assembly_path;
171 struct locals locals;
172
173 /* Prepare arguments. */
174 args[0] = file_name;
175 args[1] = NULL;
176
177 /* Make it possible to override the .exe location. This is
178 necessary for running the testsuite before "make install". */
179 gettextexedir = getenv ("GETTEXTCSHARPEXEDIR");
180 if (gettextexedir == NULL || gettextexedir[0] == '\0')
181 gettextexedir = relocate (LIBDIR "/gettext");
182
183 assembly_path =
184 xconcatenated_filename (gettextexedir, "msgfmt.net", ".exe");
185
186 locals.mlp = mlp;
187
188 if (execute_csharp_program (assembly_path, NULL, 0,
189 args,
190 verbose > 0, false,
191 execute_writing_input, &locals))
192 /* An error message should already have been provided. */
193 exit (EXIT_FAILURE);
194
195 free (assembly_path);
196 }
197 }
198
199 return 0;
200 }