.. _program_listing_file_include_flamegpu_simulation_detail_DeviceStrings.h:

Program Listing for File DeviceStrings.h
========================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_flamegpu_simulation_detail_DeviceStrings.h>` (``include/flamegpu/simulation/detail/DeviceStrings.h``)

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

.. code-block:: cpp

   #ifndef INCLUDE_FLAMEGPU_SIMULATION_DETAIL_DEVICESTRINGS_H_
   #define INCLUDE_FLAMEGPU_SIMULATION_DETAIL_DEVICESTRINGS_H_
   
   #include <string>
   #include <map>
   #include <sstream>
   
   namespace flamegpu {
   namespace detail {
   class DeviceStrings {
    public:
       ~DeviceStrings();
       void registerDeviceString(const std::string &host_string);
       const char* getDeviceString(const std::string &host_string);
   
    private:
       std::stringstream host_stream;
       // Cache stream in a string to reduce stream->string repeat conversion during sim execution
       std::string host_buffer;
       // Hold the offset into buffer for all registered strings
       std::map<std::string, ptrdiff_t> offsets;
       char* device_buffer = nullptr;
       size_t device_buffer_occupied = 0;
       size_t device_buffer_len = 0;
   };
   
   }  // namespace detail
   }  // namespace flamegpu
   
   #endif  // INCLUDE_FLAMEGPU_SIMULATION_DETAIL_DEVICESTRINGS_H_