handler_osm_delete.c

   1 #include <cherokee/common-internal.h>
   2 #include <cherokee/cherokee.h>
   3 #include <Mapi.h>
   4
   5 #include "handler_osm.h"
   6 #include "handler_osm_db.h"
   7 #include "handler_osm_delete.h"
   8 #include "handler_osm_sql.h"
   9
  10 ret_t
  11 cherokee_handler_osm_init_delete (cherokee_handler_osm_t *hdl) {
  12         ret_t ret = ret_error;
  13         osm_state_delete_t state = OSM_DELETE_FIRST;
  14         cherokee_connection_t *conn = HANDLER_CONN(hdl);
  15         char *string = conn->request.buf;
  16         char *token;
  17
  18         while (state != OSM_DELETE_DONE && (token = (char *) strsep( &string , "/")) != NULL) {
  19                 if (*token == '\0')
  20                         continue;
  21
  22                 switch (state) {
  23                         case OSM_DELETE_FIRST:
  24                                 switch (token[0]) {
  25                                         case 'n':
  26                                                 state = OSM_DELETE_NODE_ID;
  27                                                 break;
  28                                         case 'w':
  29                                                 state = OSM_DELETE_WAY_ID;
  30                                                 break;
  31                                         case 'r':
  32                                                 state = OSM_DELETE_RELATION_ID;
  33                                                 break;
  34                                 }
  35                                 break;
  36
  37                         case OSM_DELETE_NODE_ID:
  38                         case OSM_DELETE_WAY_ID:
  39                         case OSM_DELETE_RELATION_ID: {
  40                                 unsigned long id = 0;
  41                                 id = strtoul(token, (char **) NULL, 10);
  42                                 if (errno != ERANGE) {
  43                                         state++;
  44                                         ret = delete_object_by_id(hdl, id, state);
  45                                 } else
  46                                         state = OSM_DELETE_DONE;
  47                                 break;
  48                         }
  49                         default:
  50                                 ret = ret_error;
  51                 }
  52         }
  53
  54         return ret;
  55 }
  56
  57 ret_t
  58 delete_object_by_id(cherokee_handler_osm_t *hdl, unsigned long int id, osm_state_delete_t state) {
  59         ret_t ret;
  60         cherokee_buffer_t sql = CHEROKEE_BUF_INIT;
  61         switch (state) {
  62                 case OSM_DELETE_NODE_COMMAND:
  63                         cherokee_buffer_add_va (&sql, SQL_DELETE_NODE_BY_ID, id);
  64                         ret = run_sql(hdl, &sql, NULL, NULL);
  65                         break;
  66
  67                 case OSM_DELETE_WAY_COMMAND:
  68                         cherokee_buffer_add_va (&sql, SQL_DELETE_WAY_BY_ID, id);
  69                         ret = run_sql(hdl, &sql, NULL, NULL);
  70                         break;
  71
  72                 case OSM_DELETE_RELATION_COMMAND:
  73                         cherokee_buffer_add_va (&sql, SQL_DELETE_RELATION_BY_ID, id);
  74                         ret = run_sql(hdl, &sql, NULL, NULL);
  75                         break;
  76                 default:
  77                         ret = ret_error;
  78         }
  79         cherokee_buffer_mrproper(&sql);
  80         return ret;
  81 }
  82
  83