cmd/msgcc/msgget.c

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*          Copyright (c) 2000-2011 AT&T Intellectual Property          *
*                      and is licensed under the                       *
*                 Eclipse Public License, Version 1.0                  *
*                    by AT&T Intellectual Property                     *
*                                                                      *
*                A copy of the License is available at                 *
*          http://www.eclipse.org/org/documents/epl-v10.html           *
*         (with md5 checksum b35adb5213ca9657e911e9befb180842)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                                                                      *
***********************************************************************/
#pragma prototyped
/*
 * Glenn Fowler
 * AT&T Research
 */

static const char usage[] =
"[-?\n@(#)$Id: msgget (AT&T Research) 2001-04-21 $\n]"
USAGE_LICENSE
"[+NAME?msgget - get a message from a message catalog]"
"[+DESCRIPTION?\bmsgget\b gets the message corresponding to the parameters."
"   If \alocale\a is \b-\b then the current locale is used. \acommand\a"
"   may be specified for command specific messages. \acatalog\a specifies"
"   the message catalog name. [\aset\a.]]\anumber\a identifies the message"
"   by message \anumber\a and an optional message \aset\a; if specified as"
"   \b-\b then the message set and number are determined by looking up"
"   \atext\a in the corresponding \bC\b locale message catalog.]"

"\n"
"\nlocale [command:]catalog [set.]number [ text ]\n"
"\n"

"[+SEE ALSO?\biconv\b(1), \bmsgcc\b(1), \bmsggen\b(1)]"
;

#include <ast.h>
#include <error.h>
#include <mc.h>

int
main(int argc, char** argv)
{
    register Mc_t*  mc;
    register char*  s;
    char*       loc;
    char*       cmd;
    char*       cat;
    char*       msg;
    int     set;
    int     num;
    Sfio_t*     sp;
    char        path[PATH_MAX];

    NoP(argc);
    error_info.id = "msgget";
    for (;;)
    {
        switch (optget(argv, usage))
        {
        case '?':
            error(ERROR_USAGE|4, "%s", opt_info.arg);
            continue;
        case ':':
            error(2, "%s", opt_info.arg);
            continue;
        }
        break;
    }
    argv += opt_info.index;
    if (error_info.errors || !(loc = *argv++) || !(cmd = *argv++) || !(s = *argv++))
        error(ERROR_USAGE|4, "%s", optusage(NiL));
    if (streq(s, "-"))
        set = num = 0;
    else
        mcindex(s, NiL, &set, &num);
    if (!(msg = *argv++))
        msg = "";
    else if (*argv)
        error(ERROR_USAGE|4, "%s", optusage(NiL));
    if (streq(loc, "-"))
        loc = 0;
    if (cat = strchr(cmd, ':'))
        *cat++ = 0;
    if (!mcfind(loc, cmd, LC_MESSAGES, 0, path, sizeof(path)) && (!cat || !mcfind(loc, cat, LC_MESSAGES, 0, path, sizeof(path))))
    {
        if (cat)
            *--cat = ':';
        error(3, "%s: cannot locate message catalog", cmd);
    }
    if (!(sp = sfopen(NiL, path, "r")))
        error(ERROR_SYSTEM|3, "%s: cannot read message catalog", path);
    if (!(mc = mcopen(sp)))
        error(3, "%s: invalid message catalog", path);
    if (set)
        s = mcget(mc, set, num, msg);
    else
        s = errorx(loc, cmd, cat, msg);
    sfputr(sfstdout, s, '\n');
    return error_info.errors != 0;
}