| /* ngettext - retrieve plural form string from message catalog and print it. |
| Copyright (C) 1995-1997, 2000-2007, 2012, 2018-2020 Free Software Foundation, Inc. |
| |
| 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 <getopt.h> |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <locale.h> |
| #include <errno.h> |
| |
| #include "attribute.h" |
| #include "noreturn.h" |
| #include "closeout.h" |
| #include "error.h" |
| #include "progname.h" |
| #include "relocatable.h" |
| #include "basename-lgpl.h" |
| #include "xalloc.h" |
| #include "propername.h" |
| #include "escapes.h" |
| #include "gettext.h" |
| |
| #define _(str) gettext (str) |
| |
| /* If true, expand escape sequences in strings before looking in the |
| message catalog. */ |
| static int do_expand; |
| |
| /* Long options. */ |
| static const struct option long_options[] = |
| { |
| { "context", required_argument, NULL, 'c' }, |
| { "domain", required_argument, NULL, 'd' }, |
| { "help", no_argument, NULL, 'h' }, |
| { "version", no_argument, NULL, 'V' }, |
| { NULL, 0, NULL, 0 } |
| }; |
| |
| /* Forward declaration of local functions. */ |
| _GL_NORETURN_FUNC static void usage (int status); |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| int optchar; |
| const char *msgid; |
| const char *msgid_plural; |
| const char *count; |
| unsigned long n; |
| |
| /* Default values for command line options. */ |
| bool do_help = false; |
| bool do_version = false; |
| const char *domain = getenv ("TEXTDOMAIN"); |
| const char *domaindir = getenv ("TEXTDOMAINDIR"); |
| const char *context = NULL; |
| do_expand = false; |
| |
| /* Set program name for message texts. */ |
| set_program_name (argv[0]); |
| |
| /* Set locale via LC_ALL. */ |
| setlocale (LC_ALL, ""); |
| |
| /* Set the text message domain. */ |
| bindtextdomain (PACKAGE, relocate (LOCALEDIR)); |
| textdomain (PACKAGE); |
| |
| /* Ensure that write errors on stdout are detected. */ |
| atexit (close_stdout); |
| |
| /* Parse command line options. */ |
| while ((optchar = getopt_long (argc, argv, "+c:d:eEhV", long_options, NULL)) |
| != EOF) |
| switch (optchar) |
| { |
| case '\0': /* Long option. */ |
| break; |
| case 'c': |
| context = optarg; |
| break; |
| case 'd': |
| domain = optarg; |
| break; |
| case 'e': |
| do_expand = true; |
| break; |
| case 'E': |
| /* Ignore. Just for compatibility. */ |
| break; |
| case 'h': |
| do_help = true; |
| break; |
| case 'V': |
| do_version = true; |
| break; |
| default: |
| usage (EXIT_FAILURE); |
| } |
| |
| /* Version information is requested. */ |
| if (do_version) |
| { |
| printf ("%s (GNU %s) %s\n", last_component (program_name), |
| PACKAGE, VERSION); |
| /* xgettext: no-wrap */ |
| printf (_("Copyright (C) %s Free Software Foundation, Inc.\n\ |
| License GPLv3+: GNU GPL version 3 or later <%s>\n\ |
| This is free software: you are free to change and redistribute it.\n\ |
| There is NO WARRANTY, to the extent permitted by law.\n\ |
| "), |
| "1995-1997, 2000-2020", "https://gnu.org/licenses/gpl.html"); |
| printf (_("Written by %s.\n"), proper_name ("Ulrich Drepper")); |
| exit (EXIT_SUCCESS); |
| } |
| |
| /* Help is requested. */ |
| if (do_help) |
| usage (EXIT_SUCCESS); |
| |
| /* More optional command line options. */ |
| switch (argc - optind) |
| { |
| default: |
| error (EXIT_FAILURE, 0, _("too many arguments")); |
| |
| case 4: |
| domain = argv[optind++]; |
| FALLTHROUGH; |
| |
| case 3: |
| break; |
| |
| case 2: |
| case 1: |
| case 0: |
| error (EXIT_FAILURE, 0, _("missing arguments")); |
| } |
| |
| /* Now the mandatory command line options. */ |
| msgid = argv[optind++]; |
| msgid_plural = argv[optind++]; |
| count = argv[optind++]; |
| |
| if (optind != argc) |
| abort (); |
| |
| { |
| char *endp; |
| unsigned long tmp_val; |
| |
| errno = 0; |
| tmp_val = strtoul (count, &endp, 10); |
| if (errno == 0 && count[0] != '\0' && endp[0] == '\0') |
| n = tmp_val; |
| else |
| /* When COUNT is not valid, use plural. */ |
| n = 99; |
| } |
| |
| /* Expand escape sequences if enabled. */ |
| if (do_expand) |
| { |
| msgid = expand_escapes (msgid, NULL); |
| msgid_plural = expand_escapes (msgid_plural, NULL); |
| } |
| |
| /* If no domain name is given we don't translate, and we use English |
| plural form handling. */ |
| if (domain == NULL || domain[0] == '\0') |
| fputs (n == 1 ? msgid : msgid_plural, stdout); |
| else |
| { |
| /* Bind domain to appropriate directory. */ |
| if (domaindir != NULL && domaindir[0] != '\0') |
| bindtextdomain (domain, domaindir); |
| |
| /* Write out the result. */ |
| fputs ((context != NULL |
| ? dnpgettext_expr (domain, context, msgid, msgid_plural, n) |
| : dngettext (domain, msgid, msgid_plural, n)), |
| stdout); |
| } |
| |
| exit (EXIT_SUCCESS); |
| } |
| |
| |
| /* Display usage information and exit. */ |
| static void |
| usage (int status) |
| { |
| if (status != EXIT_SUCCESS) |
| fprintf (stderr, _("Try '%s --help' for more information.\n"), |
| program_name); |
| else |
| { |
| /* xgettext: no-wrap */ |
| printf (_("\ |
| Usage: %s [OPTION] [TEXTDOMAIN] MSGID MSGID-PLURAL COUNT\n\ |
| "), program_name); |
| printf ("\n"); |
| /* xgettext: no-wrap */ |
| printf (_("\ |
| Display native language translation of a textual message whose grammatical\n\ |
| form depends on a number.\n")); |
| printf ("\n"); |
| /* xgettext: no-wrap */ |
| printf (_("\ |
| -d, --domain=TEXTDOMAIN retrieve translated message from TEXTDOMAIN\n")); |
| printf (_("\ |
| -c, --context=CONTEXT specify context for MSGID\n")); |
| printf (_("\ |
| -e enable expansion of some escape sequences\n")); |
| printf (_("\ |
| -E (ignored for compatibility)\n")); |
| printf (_("\ |
| [TEXTDOMAIN] retrieve translated message from TEXTDOMAIN\n")); |
| printf (_("\ |
| MSGID MSGID-PLURAL translate MSGID (singular) / MSGID-PLURAL (plural)\n")); |
| printf (_("\ |
| COUNT choose singular/plural form based on this value\n")); |
| printf ("\n"); |
| printf (_("\ |
| Informative output:\n")); |
| printf (_("\ |
| -h, --help display this help and exit\n")); |
| printf (_("\ |
| -V, --version display version information and exit\n")); |
| printf ("\n"); |
| /* xgettext: no-wrap */ |
| printf (_("\ |
| If the TEXTDOMAIN parameter is not given, the domain is determined from the\n\ |
| environment variable TEXTDOMAIN. If the message catalog is not found in the\n\ |
| regular directory, another location can be specified with the environment\n\ |
| variable TEXTDOMAINDIR.\n\ |
| Standard search directory: %s\n"), |
| getenv ("IN_HELP2MAN") == NULL ? LOCALEDIR : "@localedir@"); |
| printf ("\n"); |
| /* TRANSLATORS: The first placeholder is the web address of the Savannah |
| project of this package. The second placeholder is the bug-reporting |
| email address for this package. Please add _another line_ saying |
| "Report translation bugs to <...>\n" with the address for translation |
| bugs (typically your translation team's web or email address). */ |
| printf(_("\ |
| Report bugs in the bug tracker at <%s>\n\ |
| or by email to <%s>.\n"), |
| "https://savannah.gnu.org/projects/gettext", |
| "bug-gettext@gnu.org"); |
| } |
| |
| exit (status); |
| } |