| /* Reading tcl/msgcat .msg files. |
| Copyright (C) 2002-2003, 2005-2008, 2010-2011, 2018, 2020 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 <https://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; |
| const 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 ("GETTEXTTCLDIR"); |
| 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, NULL, |
| 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; |
| } |