Viking GPS data editor and analyzer Code

/*
 * viking -- GPS Data and Topo Analyzer, Explorer, and Manager
 *
 * Copyright (C) 2003-2005, Evan Battaglia <gtoevan@gmx.net>
 *
 * 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 2 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 */

#ifndef _VIKING_FILE_H
#define _VIKING_FILE_H

#include <glib.h>

#include "vikaggregatelayer.h"
#include "viktrwlayer.h"
#include "vikviewport.h"

typedef enum {
FILE_TYPE_GPSPOINT=1,
FILE_TYPE_GPSMAPPER=2,
FILE_TYPE_GPX=3,
FILE_TYPE_KML=4,
} VikFileType_t;

const gchar *a_file_basename ( const gchar *filename );
gboolean check_file_ext ( const gchar *filename, const gchar *fileext );

/*
 * Function to determine if a filename is a 'viking' type file
 */
gboolean check_file_magic_vik ( const gchar *filename );

typedef enum {
  LOAD_TYPE_READ_FAILURE,
  LOAD_TYPE_GPSBABEL_FAILURE,
  LOAD_TYPE_UNSUPPORTED_FAILURE,
  LOAD_TYPE_VIK_SUCCESS,
  LOAD_TYPE_OTHER_SUCCESS,
} VikLoadType_t;

VikLoadType_t a_file_load ( VikAggregateLayer *top, VikViewport *vp, const gchar *filename );
gboolean a_file_save ( VikAggregateLayer *top, gpointer vp, const gchar *filename );
/* Only need to define VikTrack and trackname if the file type is FILE_TYPE_GPX_TRACK */
gboolean a_file_export ( VikTrwLayer *vtl, const gchar *filename, VikFileType_t file_type, const gchar *trackname );
const gchar *a_get_viking_dir();

void file_write_layer_param ( FILE *f, const gchar *name, guint8 type, VikLayerParamData data );


#endif