.. _program_listing_file_src_rdf4cpp_Namespace.cpp:

Program Listing for File Namespace.cpp
======================================

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

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

.. code-block:: cpp

   #include "Namespace.hpp"
   
   namespace rdf4cpp {
   
   Namespace::Namespace(std::string_view namespace_iri, storage::DynNodeStoragePtr node_storage)
       : namespace_iri_{namespace_iri}, node_storage_{node_storage} {
   }
   
   std::string_view Namespace::name_space() const noexcept {
       return namespace_iri_;
   }
   
   storage::DynNodeStoragePtr Namespace::node_storage() const {
       return node_storage_;
   }
   
   IRI Namespace::operator+(std::string_view suffix) const {
       if (auto found = cache_.find(suffix); found != cache_.end()) {
           return IRI{storage::identifier::NodeBackendHandle{found->second, node_storage_}};
       } else {
           std::string namespace_iri{namespace_iri_};
           namespace_iri.append(suffix);
   
           IRI iri{namespace_iri, node_storage_};
           cache_.emplace(suffix, iri.backend_handle().id());
           return iri;
       }
   }
   
   void Namespace::clear() const {
       cache_.clear();
       cache_.rehash(0);
   }
   
   }  // namespace rdf4cpp