/* helptext.c  - English help texts

 * Copyright (C) 1998, 1999, 2000, 2001, 2002,

 *               2004, 2007 Free Software Foundation, Inc.

 *

 * This file is part of GnuPG.

 *

 * GnuPG 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.

 *

 * GnuPG 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/>.

 */

#include <config.h>

#include <stdio.h>

#include <stdlib.h>

#include <string.h>

#include "gpg.h"

#include "../common/util.h"

#include "../common/ttyio.h"

#include "main.h"

#include "../common/i18n.h"

/* Helper to get the help through the configurable GnuPG help

   system.  */

static char *

get_help_from_file (const char *keyword)

{

  char *key, *result;

  key = xtrymalloc (4 + strlen (keyword) + 1);

  if (key)

    {

      strcpy (stpcpy (key, "gpg."), keyword);

      result = gnupg_get_help_string (key, 0);

      xfree (key);

      if (result && !is_native_utf8 ())

        {

          char *tmp = utf8_to_native (result, strlen (result), -1);

          if (tmp)

            {

              xfree (result);

              result = tmp;

            }

        }

    }

  else

    result = NULL;

  return result;

}

void

display_online_help( const char *keyword )

{

  char *result;

  int need_final_lf = 1;

  tty_kill_prompt();

  if ( !keyword )

    tty_printf (_("No help available") );

  else if ( (result = get_help_from_file (keyword)) )

    {

      tty_printf ("%s", result);

      if (*result && result[strlen (result)-1] == '\n')

        need_final_lf = 0;

      xfree (result);

    }

  else

    {

      tty_printf (_("No help available for '%s'"), keyword );

    }

  if (need_final_lf)

    tty_printf("\n");

}