arch/all-pc/boot/grub2-aros/util/grub-render-label.c

   1 /*
   2  *  GRUB  --  GRand Unified Bootloader
   3  *  Copyright (C) 2010,2012,2013 Free Software Foundation, Inc.
   4  *
   5  *  GRUB is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  GRUB is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19
  20 #include <config.h>
  21
  22 #include <grub/util/misc.h>
  23 #include <grub/i18n.h>
  24 #include <grub/term.h>
  25 #include <grub/font.h>
  26 #include <grub/gfxmenu_view.h>
  27 #include <grub/color.h>
  28 #include <grub/util/install.h>
  29 #include <grub/emu/hostdisk.h>
  30
  31 #define _GNU_SOURCE     1
  32
  33 #include <stdio.h>
  34 #include <stdlib.h>
  35 #include <string.h>
  36 #include <unistd.h>
  37 #include <errno.h>
  38
  39 #pragma GCC diagnostic ignored "-Wmissing-prototypes"
  40 #pragma GCC diagnostic ignored "-Wmissing-declarations"
  41 #include <argp.h>
  42 #pragma GCC diagnostic error "-Wmissing-prototypes"
  43 #pragma GCC diagnostic error "-Wmissing-declarations"
  44
  45 #include "progname.h"
  46
  47 struct arguments
  48 {
  49   char *input;
  50   char *text;
  51   char *output;
  52   char *font;
  53   char *fgcolor;
  54   char *bgcolor;
  55   int verbosity;
  56 };
  57
  58 static struct argp_option options[] = {
  59   {"input",  'i', N_("FILE"), 0,
  60    N_("read text from FILE."), 0},
  61   {"color",  'c', N_("COLOR"), 0,
  62    N_("use COLOR for text"), 0},
  63   {"bgcolor",  'b', N_("COLOR"), 0,
  64    N_("use COLOR for background"), 0},
  65   {"text",  't', N_("STRING"), 0,
  66   /* TRANSLATORS: The result is always stored to file and
  67      never shown directly, so don't use "show" as synonym for render. Use "create" if
  68      "render" doesn't translate directly.  */
  69    N_("set the label to render"), 0},
  70   {"output",  'o', N_("FILE"), 0,
  71    N_("set output filename. Default is STDOUT"), 0},
  72   {"font",  'f', N_("FILE"), 0,
  73    N_("use FILE as font (PF2)."), 0},
  74   {"verbose",     'v', 0,      0, N_("print verbose messages."), 0},
  75   { 0, 0, 0, 0, 0, 0 }
  76 };
  77
  78 #include <grub/err.h>
  79 #include <grub/types.h>
  80 #include <grub/dl.h>
  81 #include <grub/misc.h>
  82 #include <grub/mm.h>
  83 #include <grub/video.h>
  84 #include <grub/video_fb.h>
  85
  86 static error_t
  87 argp_parser (int key, char *arg, struct argp_state *state)
  88 {
  89   /* Get the input argument from argp_parse, which we
  90      know is a pointer to our arguments structure. */
  91   struct arguments *arguments = state->input;
  92
  93   switch (key)
  94     {
  95     case 'i':
  96       arguments->input = xstrdup (arg);
  97       break;
  98
  99     case 'b':
 100       arguments->bgcolor = xstrdup (arg);
 101       break;
 102
 103     case 'c':
 104       arguments->fgcolor = xstrdup (arg);
 105       break;
 106
 107     case 'f':
 108       arguments->font = xstrdup (arg);
 109       break;
 110
 111     case 't':
 112       arguments->text = xstrdup (arg);
 113       break;
 114
 115     case 'o':
 116       arguments->output = xstrdup (arg);
 117       break;
 118
 119     case 'v':
 120       arguments->verbosity++;
 121       break;
 122
 123     default:
 124       return ARGP_ERR_UNKNOWN;
 125     }
 126
 127   return 0;
 128 }
 129
 130 static struct argp argp = {
 131   options, argp_parser, N_("[OPTIONS]"),
 132   /* TRANSLATORS: This file takes a text and creates a graphical representation of it,
 133      putting the result into .disk_label file. The result is always stored to file and
 134      never shown directly, so don't use "show" as synonym for render. Use "create" if
 135      "render" doesn't translate directly.  */
 136   N_("Render Apple .disk_label."),
 137   NULL, NULL, NULL
 138 };
 139
 140 int
 141 main (int argc, char *argv[])
 142 {
 143   char *text;
 144   struct arguments arguments;
 145
 146   grub_util_host_init (&argc, &argv);
 147
 148   /* Check for options.  */
 149   memset (&arguments, 0, sizeof (struct arguments));
 150   if (argp_parse (&argp, argc, argv, 0, 0, &arguments) != 0)
 151     {
 152       fprintf (stderr, "%s", _("Error in parsing command line arguments\n"));
 153       exit(1);
 154     }
 155
 156   if ((!arguments.input && !arguments.text) || !arguments.font)
 157     {
 158       fprintf (stderr, "%s", _("Missing arguments\n"));
 159       exit(1);
 160     }
 161
 162   if (arguments.text)
 163     text = arguments.text;
 164   else
 165     {
 166       FILE *in = grub_util_fopen (arguments.input, "r");
 167       size_t s;
 168       if (!in)
 169         grub_util_error (_("cannot open `%s': %s"), arguments.input,
 170                          strerror (errno));
 171       fseek (in, 0, SEEK_END);
 172       s = ftell (in);
 173       fseek (in, 0, SEEK_SET);
 174       text = xmalloc (s + 1);
 175       if (fread (text, 1, s, in) != s)
 176         grub_util_error (_("cannot read `%s': %s"), arguments.input,
 177                          strerror (errno));
 178       text[s] = 0;
 179       fclose (in);
 180     }
 181
 182   grub_init_all ();
 183   grub_hostfs_init ();
 184   grub_host_init ();
 185
 186   grub_util_render_label (arguments.font,
 187                           arguments.bgcolor,
 188                           arguments.fgcolor,
 189                           text,
 190                           arguments.output);
 191
 192   return 0;
 193 }