Example #1
0
/* This is the workhorse of pgsql_add_relation, split out because it is used as the callback for iterate relations */
int output_pgsql_t::pgsql_process_relation(osmid_t id, const memberlist_t &members,
        const taglist_t &tags, int exists, bool pending)
{
    /* If the flag says this object may exist already, delete it first */
    if(exists)
        pgsql_delete_relation_from_output(id);

    taglist_t outtags;

    if (m_tagtransform->filter_rel_tags(tags, *m_export_list.get(), outtags))
        return 1;

    idlist_t xid2;
    multitaglist_t xtags2;
    multinodelist_t xnodes;

    for (memberlist_t::const_iterator it = members.begin(); it != members.end(); ++it)
    {
        /* Need to handle more than just ways... */
        if (it->type == OSMTYPE_WAY)
            xid2.push_back(it->id);
    }

    idlist_t xid;
    m_mid->ways_get_list(xid2, xid, xtags2, xnodes);
    int polygon = 0, roads = 0;
    multitaglist_t xtags(xid.size(), taglist_t());
    rolelist_t xrole(xid.size(), 0);

    for (size_t i = 0; i < xid.size(); i++) {
        for (size_t j = i; j < members.size(); j++) {
            if (members[j].id == xid[i]) {
                //filter the tags on this member because we got it from the middle
                //and since the middle is no longer tied to the output it no longer
                //shares any kind of tag transform and therefore all original tags
                //will come back and need to be filtered by individual outputs before
                //using these ways
                m_tagtransform->filter_way_tags(xtags2[i], &polygon, &roads,
                                                *m_export_list.get(), xtags[i]);
                //TODO: if the filter says that this member is now not interesting we
                //should decrement the count and remove his nodes and tags etc. for
                //now we'll just keep him with no tags so he will get filtered later
                xrole[i] = &members[j].role;
                break;
            }
        }
    }

    /* At some point we might want to consider storing the retrieved data in the members, rather than as separate arrays */
    pgsql_out_relation(id, outtags, xnodes, xtags, xid, xrole, pending);

    return 0;
}
Example #2
0
/* This is the workhorse of pgsql_add_relation, split out because it is used as the callback for iterate relations */
int output_pgsql_t::pgsql_process_relation(osmid_t id, const struct member *members, int member_count, struct keyval *tags, int exists, bool pending)
{
    int i, j, count, count2;

  /* If the flag says this object may exist already, delete it first */
  if(exists)
      pgsql_delete_relation_from_output(id);

  if (m_tagtransform->filter_rel_tags(tags, m_export_list.get())) {
      return 1;
  }

  osmid_t *xid2 = (osmid_t *)malloc( (member_count+1) * sizeof(osmid_t) );
  const char **xrole = (const char **)malloc( (member_count+1) * sizeof(const char *) );
  int *xcount = (int *)malloc( (member_count+1) * sizeof(int) );
  keyval *xtags  = new keyval[member_count+1];
  struct osmNode **xnodes = (struct osmNode **)malloc( (member_count+1) * sizeof(struct osmNode*) );

  count = 0;
  for( i=0; i<member_count; i++ )
  {
    /* Need to handle more than just ways... */
    if( members[i].type != OSMTYPE_WAY )
        continue;
    xid2[count] = members[i].id;
    count++;
  }

  osmid_t *xid = (osmid_t *)malloc( sizeof(osmid_t) * (count + 1));
  count2 = m_mid->ways_get_list(xid2, count, xid, xtags, xnodes, xcount);
  int polygon = 0, roads = 0;;

  for (i = 0; i < count2; i++) {
      for (j = i; j < member_count; j++) {
          if (members[j].id == xid[i]) {
              //filter the tags on this member because we got it from the middle
              //and since the middle is no longer tied to the output it no longer
              //shares any kind of tag transform and therefore all original tags
              //will come back and need to be filtered by individual outputs before
              //using these ways
              m_tagtransform->filter_way_tags(&xtags[i], &polygon, &roads, m_export_list.get());
              //TODO: if the filter says that this member is now not interesting we
              //should decrement the count and remove his nodes and tags etc. for
              //now we'll just keep him with no tags so he will get filtered later
              break;
          }
      }
      xrole[i] = members[j].role;
  }
  xnodes[count2] = NULL;
  xcount[count2] = 0;
  xid[count2] = 0;
  xrole[count2] = NULL;

  /* At some point we might want to consider storing the retrieved data in the members, rather than as separate arrays */
  pgsql_out_relation(id, tags, count2, xnodes, xtags, xcount, xid, xrole, pending);

  for( i=0; i<count2; i++ )
  {
    xtags[i].resetList();
    free( xnodes[i] );
  }

  free(xid2);
  free(xid);
  free(xrole);
  free(xcount);
  delete [] xtags;
  free(xnodes);
  return 0;
}