/*!
   \file lib/vector/Vlib/type.c

   \brief Vector library - feature type

   Higher level functions for reading/writing/manipulating vectors.

   (C) 2001-2009 by the GRASS Development Team

   This program is free software under the GNU General Public License
   (>=v2). Read the file COPYING that comes with GRASS for details.

   \author Radim Blazek
 */

#include <grass/vector.h>

/*!
   \brief Get types from options

   \param type_opt Option structure

   \return types
   \return -1 on error
 */
int Vect_option_to_types(const struct Option *type_opt)
{
    int i = 0;
    int type = 0;

    while (type_opt->answers[i]) {
	switch (type_opt->answers[i][0]) {
	case 'p':
	    type |= GV_POINT;
	    break;
	case 'l':
	    type |= GV_LINE;
	    break;
	case 'b':
	    type |= GV_BOUNDARY;
	    break;
	case 'c':
	    type |= GV_CENTROID;
	    break;
	case 'f':
	    type |= GV_FACE;
	    break;
	case 'k':
	    type |= GV_KERNEL;
	    break;
	case 'a':
	    type |= GV_AREA;
	    break;
	case 'v':
	    type |= GV_VOLUME;
	    break;
	}
	i++;
    }

    return type;
}
