src/astro.c

   1 /*
   2  *  This library is free software; you can redistribute it and/or
   3  *  modify it under the terms of the GNU Lesser General Public
   4  *  License as published by the Free Software Foundation; either
   5  *  version 2 of the License, or (at your option) any later version.
   6  *
   7  *  This library is distributed in the hope that it will be useful,
   8  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
   9  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  10  *  Lesser General Public License for more details.
  11  *
  12  *  You should have received a copy of the GNU General Public License
  13  *  along with this program; if not, write to the Free Software
  14  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  15  *
  16  *  Copyright (C) 2008 Liam Girdwood
  17  */
  18
  19 #include <string.h>
  20 #include <libastrodb/astro.h>
  21
  22 struct astrodb_schema_object astro_fields[] = {
  23         astrodb_member("ID", "ID", struct astrodb_object, id,
  24                         CT_STRING, "", 0, NULL),
  25         astrodb_member("ID", "Star", struct astrodb_object, id,
  26                         CT_STRING, "", 0, NULL),
  27         astrodb_member("Name", "Name", struct astrodb_object, name,
  28                         CT_STRING, "", 0, NULL),
  29 };
  30
  31 int append_astro_field(struct astrodb_schema_object *base, char *field)
  32 {
  33         int i;
  34
  35         /* check for wildcard */
  36         if (!strncmp(field, "*", 1)) {
  37
  38                 /* append all columns */
  39                 memcpy(base, astro_fields,
  40                         sizeof(struct astrodb_schema_object) *
  41                                 astrodb_size(astro_fields));
  42                 return astrodb_size(astro_fields);
  43         }
  44
  45         /* find and append specific column */
  46         for (i = 0; i < astrodb_size(astro_fields); i++) {
  47                 if (!strncmp(field, astro_fields[i].symbol,
  48                         ADB_SCHEMA_SYMBOL_SIZE)) {
  49                         memcpy(base, &astro_fields[i],
  50                                 sizeof(struct astrodb_schema_object));
  51                         return 1;
  52                 }
  53         }
  54         return 0;
  55 }
  56
  57 int get_astro_field_offset(char *field)
  58 {
  59         int i;
  60
  61         /* check astro fields */
  62         for (i = 0; i < astrodb_size(astro_fields); i++) {
  63                 if (!strncmp(field, astro_fields[i].symbol,
  64                         ADB_SCHEMA_SYMBOL_SIZE))
  65                         return astro_fields[i].s_offset;
  66         }
  67         return -1;
  68 }