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 static ret_t delete_object_by_id(cherokee_handler_osm_t *hdl, unsigned long int id, osm_state_delete_t state);
  11
  12 ret_t
  13 cherokee_handler_osm_init_delete (cherokee_handler_osm_t *hdl) {
  14         ret_t ret = ret_error;
  15         osm_state_delete_t state = OSM_DELETE_FIRST;
  16         cherokee_connection_t *conn = HANDLER_CONN(hdl);
  17         char *string = conn->request.buf;
  18         char *token;
  19
  20         while (state != OSM_DELETE_DONE && (token = (char *) strsep( &string , "/")) != NULL) {
  21                 if (*token == '\0')
  22                         continue;
  23
  24                 switch (state) {
  25                         case OSM_DELETE_FIRST:
  26                                 switch (token[0]) {
  27                                         case 'n':
  28                                                 state = OSM_DELETE_NODE_ID;
  29                                                 break;
  30                                         case 'w':
  31                                                 state = OSM_DELETE_WAY_ID;
  32                                                 break;
  33                                         case 'r':
  34                                                 state = OSM_DELETE_RELATION_ID;
  35                                                 break;
  36                                 }
  37                                 break;
  38
  39                         case OSM_DELETE_NODE_ID:
  40                         case OSM_DELETE_WAY_ID:
  41                         case OSM_DELETE_RELATION_ID: {
  42                                 unsigned long id = 0;
  43                                 id = strtoul(token, (char **) NULL, 10);
  44                                 if (errno != ERANGE) {
  45                                         state++;
  46                                         ret = delete_object_by_id(hdl, id, state);
  47                                 } else
  48                                         state = OSM_DELETE_DONE;
  49                                 break;
  50                         }
  51                         default:
  52                                 ret = ret_error;
  53                 }
  54         }
  55
  56         return ret;
  57 }
  58
  59 static ret_t
  60 delete_object_by_id(cherokee_handler_osm_t *hdl, unsigned long int id, osm_state_delete_t state) {
  61         ret_t ret;
  62         cherokee_buffer_t sql = CHEROKEE_BUF_INIT;
  63         switch (state) {
  64                 case OSM_DELETE_NODE_COMMAND:
  65                         cherokee_buffer_add_va (&sql, SQL_DELETE_NODE_BY_ID, id);
  66                         ret = run_sql(hdl, &sql, NULL, NULL);
  67                         break;
  68
  69                 case OSM_DELETE_WAY_COMMAND:
  70                         cherokee_buffer_add_va (&sql, SQL_DELETE_WAY_BY_ID, id);
  71                         ret = run_sql(hdl, &sql, NULL, NULL);
  72                         break;
  73
  74                 case OSM_DELETE_RELATION_COMMAND:
  75                         cherokee_buffer_add_va (&sql, SQL_DELETE_RELATION_BY_ID, id);
  76                         ret = run_sql(hdl, &sql, NULL, NULL);
  77                         break;
  78                 default:
  79                         ret = ret_error;
  80         }
  81         cherokee_buffer_mrproper(&sql);
  82         return ret;
  83 }
  84
  85