plugins/applix/boot.c

   1
   2 /*
   3  * boot.c : Installation and bootstraping routines to
   4  *          register the applix plugin.
   5  *
   6  * Copyright (C) 2000-2002 Jody Goldberg (jody@gnome.org)
   7  *
   8  * This program is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License as
  10  * published by the Free Software Foundation; either version 2 of the
  11  * License, or (at your option) any later version.
  12  *
  13  * This program is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU General Public License
  19  * along with this program; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
  21  * USA
  22  */
  23 #include <gnumeric-config.h>
  24 #include <gnumeric.h>
  25 #include "applix.h"
  26
  27 #include <goffice/goffice.h>
  28 #include <gnm-plugin.h>
  29 #include <workbook-view.h>
  30 #include <workbook.h>
  31
  32 #include <gsf/gsf-input.h>
  33 #include <string.h>
  34
  35 GNM_PLUGIN_MODULE_HEADER;
  36
  37 gboolean applix_file_probe (GOFileOpener const *fo, GsfInput *input,
  38                             GOFileProbeLevel pl);
  39 void     applix_file_open (GOFileOpener const *fo, GOIOContext *io_context,
  40                            WorkbookView *wb_view, GsfInput *input);
  41 void     applix_file_save (GOFileSaver const *fs, GOIOContext *io_context,
  42                            WorkbookView const *wb_view, GsfOutput *output);
  43
  44 gboolean
  45 applix_file_probe (GOFileOpener const *fo, GsfInput *input, GOFileProbeLevel pl)
  46 {
  47         static guint8 const signature[] = "*BEGIN SPREADSHEETS VERSION";
  48         guint8 const *header;
  49
  50         return !gsf_input_seek (input, 0, G_SEEK_SET) &&
  51                 NULL != (header = gsf_input_read (input, sizeof (signature)-1, NULL)) &&
  52                 0 == memcmp (header, signature, sizeof (signature)-1);
  53 }
  54
  55 void
  56 applix_file_open (GOFileOpener const *fo, GOIOContext *io_context,
  57                   WorkbookView *wb_view, GsfInput *input)
  58 {
  59         applix_read (io_context, wb_view, input);
  60 }
  61
  62 void
  63 applix_file_save (GOFileSaver const *fs, GOIOContext *io_context,
  64                   WorkbookView const *wb_view, GsfOutput *output)
  65 {
  66         applix_write (io_context, wb_view, output);
  67 }