1 #ifndef OSMIUM_DYNAMIC_HANDLER_HPP 2 #define OSMIUM_DYNAMIC_HANDLER_HPP 53 class HandlerWrapperBase {
57 virtual ~HandlerWrapperBase() {
75 virtual void flush() {
85 #define OSMIUM_DYNAMIC_HANDLER_DISPATCH(_name_, _type_) \ 86 template <typename THandler> \ 87 auto _name_##_dispatch(THandler& handler, const osmium::_type_& object, int) -> decltype(handler._name_(object), void()) { \ 88 handler._name_(object); \ 90 template <typename THandler> \ 91 auto _name_##_dispatch(THandler& handler, const osmium::_type_& object, long) -> decltype(handler(object), void()) { \ 101 template <
typename THandler>
102 auto flush_dispatch(THandler& handler,
int) -> decltype(handler.flush(), void()) {
106 template <
typename THandler>
107 void flush_dispatch(THandler&,
long) {
110 template <
typename THandler>
111 class HandlerWrapper :
public HandlerWrapperBase {
117 template <
typename... TArgs>
118 HandlerWrapper(TArgs&&... args) :
119 m_handler(std::forward<TArgs>(args)...) {
123 node_dispatch(m_handler, node, 0);
127 way_dispatch(m_handler, way, 0);
131 relation_dispatch(m_handler, relation, 0);
135 area_dispatch(m_handler, area, 0);
139 changeset_dispatch(m_handler, changeset, 0);
143 flush_dispatch(m_handler, 0);
152 using impl_ptr = std::unique_ptr<osmium::handler::detail::HandlerWrapperBase>;
161 template <
typename THandler,
typename... TArgs>
162 void set(TArgs&&... args) {
163 m_impl =
impl_ptr(
new osmium::handler::detail::HandlerWrapper<THandler>(std::forward<TArgs>(args)...));
175 m_impl->relation(relation);
183 m_impl->changeset(changeset);
196 #endif // OSMIUM_DYNAMIC_HANDLER_HPP std::unique_ptr< osmium::handler::detail::HandlerWrapperBase > impl_ptr
Definition: dynamic_handler.hpp:152
void relation(const osmium::Relation &relation)
Definition: dynamic_handler.hpp:174
Definition: relation.hpp:168
Definition: handler.hpp:71
Definition: dynamic_handler.hpp:150
void changeset(const osmium::Changeset &changeset)
Definition: dynamic_handler.hpp:182
#define OSMIUM_DYNAMIC_HANDLER_DISPATCH(_name_, _type_)
Definition: dynamic_handler.hpp:85
void node(const osmium::Node &node)
Definition: dynamic_handler.hpp:166
Namespace for everything in the Osmium library.
Definition: assembler.hpp:63
void area(const osmium::Area &area)
Definition: dynamic_handler.hpp:178
impl_ptr m_impl
Definition: dynamic_handler.hpp:153
void flush()
Definition: dynamic_handler.hpp:186
DynamicHandler()
Definition: dynamic_handler.hpp:157
An OSM Changeset, a group of changes made by a single user over a short period of time...
Definition: changeset.hpp:148
void way(const osmium::Way &way)
Definition: dynamic_handler.hpp:170