.. _program_listing_file_src_rdf4cpp_Namespace.hpp:

Program Listing for File Namespace.hpp
======================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_rdf4cpp_Namespace.hpp>` (``src/rdf4cpp/Namespace.hpp``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef RDF4CPP_NAMESPACE_HPP
   #define RDF4CPP_NAMESPACE_HPP
   
   #include <rdf4cpp/IRI.hpp>
   
   #include <dice/hash.hpp>
   #include <dice/sparse-map/sparse_map.hpp>
   
   #include <string>
   #include <string_view>
   
   namespace rdf4cpp {
   
   struct Namespace {
   protected:
       std::string namespace_iri_;
   
       storage::DynNodeStoragePtr node_storage_;
   
       // TODO: a faster, less memory efficient map would be better.
       mutable dice::sparse_map::sparse_map<std::string, storage::identifier::NodeBackendID,
                                            dice::hash::DiceHashwyhash<std::string_view>, std::equal_to<>> cache_;
   
   public:
       explicit Namespace(std::string_view namespace_iri,
                          storage::DynNodeStoragePtr node_storage = storage::default_node_storage);
   
       std::string_view name_space() const noexcept;
   
       storage::DynNodeStoragePtr node_storage() const;
   
       virtual IRI operator+(std::string_view suffix) const;
   
       virtual void clear() const;
   };
   }  // namespace rdf4cpp
   
   #endif  //RDF4CPP_NAMESPACE_HPP