/**
* Add role to buffer.
*
* @param member Relation member object where the length of the role
* will be set.
* @param role The role.
* @param length Length of role (without \0 termination).
* @throws std:length_error If role is longer than osmium::max_osm_string_length
*/
void add_role(osmium::RelationMember& member, const char* role, const size_t length) {
if (length > osmium::max_osm_string_length) {
throw std::length_error("OSM relation member role is too long");
}
member.set_role_size(osmium::string_size_type(length) + 1);
add_size(append(role, osmium::memory::item_size_type(length)) + append_zero());
add_padding(true);
}
void update(const osmium::RelationMember& member) {
update_int64(member.ref());
update_int16(uint16_t(member.type()));
update_string(member.role());
}
void relation_member(const osmium::RelationMember& member) {
*m_out += item_type_to_char(member.type());
output_int(member.ref());
*m_out += '@';
append_encoded_string(member.role());
}
/**
* Overwritten from the base class.
*/
bool keep_member(const osmium::relations::RelationMeta& /*relation_meta*/, const osmium::RelationMember& member) const {
// We are only interested in members of type way.
return member.type() == osmium::item_type::way;
}
/**
* Add role to buffer.
*
* @param member Relation member object where the length of the role
* will be set.
* @param role The role.
* @param length Length of role string including \0 termination.
*/
void add_role(osmium::RelationMember& member, const char* role, const string_size_type length) {
member.set_role_size(length);
add_size(append(role, length));
add_padding(true);
}
bool member_is_valid(const osmium::RelationMember& member) {
return member.type() == osmium::item_type::way;
}
bool keep_member(const osmium::relations::RelationMeta&,
const osmium::RelationMember& member) const {
return member.type() == osmium::item_type::way;
}
bool new_member(const osmium::Relation& /*relation*/, const osmium::RelationMember& member, std::size_t /*n*/) noexcept {
return member.type() == osmium::item_type::node;
}