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/* Reading tcl/msgcat .msg files.
Copyright (C) 2002-2003, 2005-2008, 2011, 2015-2016 Free Software
Foundation, Inc.
Written by Bruno Haible <bruno@clisp.org>, 2002.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <alloca.h>
/* Specification. */
#include "read-tcl.h"
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include "msgunfmt.h"
#include "relocatable.h"
#include "concat-filename.h"
#include "sh-quote.h"
#include "spawn-pipe.h"
#include "wait-process.h"
#include "read-catalog.h"
#include "read-po.h"
#include "xmalloca.h"
#include "error.h"
#include "gettext.h"
#define _(str) gettext (str)
/* A Tcl .msg file contains Tcl commands. It is best interpreted by Tcl
itself. But we redirect the msgcat::mcset function so that it passes
the msgid/msgstr pair to us, instead of storing it in the hash table. */
msgdomain_list_ty *
msgdomain_read_tcl (const char *locale_name, const char *directory)
{
const char *gettextdatadir;
char *tclscript;
size_t len;
char *frobbed_locale_name;
char *p;
char *file_name;
char *argv[4];
pid_t child;
int fd[1];
FILE *fp;
msgdomain_list_ty *mdlp;
int exitstatus;
size_t k;
/* Make it possible to override the msgunfmt.tcl location. This is
necessary for running the testsuite before "make install". */
gettextdatadir = getenv ("GETTEXTDATADIR");
if (gettextdatadir == NULL || gettextdatadir[0] == '\0')
gettextdatadir = relocate (GETTEXTDATADIR);
tclscript = xconcatenated_filename (gettextdatadir, "msgunfmt.tcl", NULL);
/* Convert the locale name to lowercase and remove any encoding. */
len = strlen (locale_name);
frobbed_locale_name = (char *) xmalloca (len + 1);
memcpy (frobbed_locale_name, locale_name, len + 1);
for (p = frobbed_locale_name; *p != '\0'; p++)
if (*p >= 'A' && *p <= 'Z')
*p = *p - 'A' + 'a';
else if (*p == '.')
{
*p = '\0';
break;
}
file_name = xconcatenated_filename (directory, frobbed_locale_name, ".msg");
freea (frobbed_locale_name);
/* Prepare arguments. */
argv[0] = "tclsh";
argv[1] = tclscript;
argv[2] = file_name;
argv[3] = NULL;
if (verbose)
{
char *command = shell_quote_argv (argv);
printf ("%s\n", command);
free (command);
}
/* Open a pipe to the Tcl interpreter. */
child = create_pipe_in ("tclsh", "tclsh", argv, DEV_NULL, false, true, true,
fd);
fp = fdopen (fd[0], "r");
if (fp == NULL)
error (EXIT_FAILURE, errno, _("fdopen() failed"));
/* Read the message list. */
mdlp = read_catalog_stream (fp, "(pipe)", "(pipe)", &input_format_po);
fclose (fp);
/* Remove zombie process from process list, and retrieve exit status. */
exitstatus =
wait_subprocess (child, "tclsh", false, false, true, true, NULL);
if (exitstatus != 0)
{
if (exitstatus == 2)
/* Special exitcode provided by msgunfmt.tcl. */
error (EXIT_FAILURE, ENOENT,
_("error while opening \"%s\" for reading"), file_name);
else
error (EXIT_FAILURE, 0, _("%s subprocess failed with exit code %d"),
"tclsh", exitstatus);
}
free (tclscript);
/* Move the header entry to the beginning. */
for (k = 0; k < mdlp->nitems; k++)
{
message_list_ty *mlp = mdlp->item[k]->messages;
size_t j;
for (j = 0; j < mlp->nitems; j++)
if (is_header (mlp->item[j]))
{
/* Found the header entry. */
if (j > 0)
{
message_ty *header = mlp->item[j];
size_t i;
for (i = j; i > 0; i--)
mlp->item[i] = mlp->item[i - 1];
mlp->item[0] = header;
}
break;
}
}
return mdlp;
}
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