vector/Vlib/type.c

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/*!
   \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, type;
 
    type = 0;
    for (i = 0; type_opt->answers[i]; i++) {
        if (strcmp(type_opt->answers[i], "auto") == 0)
            continue;
 
        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;
        }
    }
 
    return type;
}