handler_osm_delete.c

   1 #include <cherokee/cherokee.h>
   2 #include <Mapi.h>
   3
   4 #include "handler_osm.h"
   5 #include "handler_osm_db.h"
   6 #include "handler_osm_delete.h"
   7 #include "handler_osm_sql.h"
   8
   9 static ret_t delete_object_by_id(cherokee_handler_osm_t *hdl, unsigned long int id, osm_state_delete_t state);
  10
  11 ret_t
  12 cherokee_handler_osm_init_delete (cherokee_handler_osm_t *hdl) {
  13         ret_t ret = ret_error;
  14         osm_state_delete_t state = OSM_DELETE_FIRST;
  15         cherokee_connection_t *conn = HANDLER_CONN(hdl);
  16         char *string = conn->request.buf;
  17         char *token;
  18
  19         while (state != OSM_DELETE_DONE && (token = (char *) strsep( &string , "/")) != NULL) {
  20                 if (*token == '\0')
  21                         continue;
  22
  23                 switch (state) {
  24                         case OSM_DELETE_FIRST:
  25                                 switch (token[0]) {
  26                                         case 'n':
  27                                                 state = OSM_DELETE_NODE_ID;
  28                                                 break;
  29                                         case 'w':
  30                                                 state = OSM_DELETE_WAY_ID;
  31                                                 break;
  32                                         case 'r':
  33                                                 state = OSM_DELETE_RELATION_ID;
  34                                                 break;
  35                                 }
  36                                 break;
  37
  38                         case OSM_DELETE_NODE_ID:
  39                         case OSM_DELETE_WAY_ID:
  40                         case OSM_DELETE_RELATION_ID: {
  41                                 unsigned long id = 0;
  42                                 id = strtoul(token, (char **) NULL, 10);
  43                                 if (errno != ERANGE) {
  44                                         state++;
  45                                         ret = delete_object_by_id(hdl, id, state);
  46                                 } else
  47                                         state = OSM_DELETE_DONE;
  48                                 break;
  49                         }
  50                         default:
  51                                 ret = ret_error;
  52                 }
  53         }
  54
  55         return ret;
  56 }
  57
  58 static ret_t
  59 delete_object_by_id(cherokee_handler_osm_t *hdl, unsigned long int id, osm_state_delete_t state) {
  60         ret_t ret;
  61         cherokee_buffer_t sql = CHEROKEE_BUF_INIT;
  62         switch (state) {
  63                 case OSM_DELETE_NODE_COMMAND:
  64                         cherokee_buffer_add_va (&sql, SQL_DELETE_NODE_BY_ID, id);
  65                         ret = run_sql(hdl, &sql, NULL, NULL);
  66                         break;
  67
  68                 case OSM_DELETE_WAY_COMMAND:
  69                         cherokee_buffer_add_va (&sql, SQL_DELETE_RELATION_BY_ID, id);
  70                         ret = run_sql(hdl, &sql, NULL, NULL);
  71                         break;
  72
  73                 case OSM_DELETE_RELATION_COMMAND:
  74                         cherokee_buffer_add_va (&sql, SQL_DELETE_RELATION_BY_ID, id);
  75                         ret = run_sql(hdl, &sql, NULL, NULL);
  76                         break;
  77                 default:
  78                         ret = ret_error;
  79         }
  80         cherokee_buffer_mrproper(&sql);
  81         return ret;
  82 }
  83
  84