.. _program_listing_file_include_flamegpu_io_StateReaderFactory.h:

Program Listing for File StateReaderFactory.h
=============================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_flamegpu_io_StateReaderFactory.h>` (``include/flamegpu/io/StateReaderFactory.h``)

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

.. code-block:: cpp

   #ifndef INCLUDE_FLAMEGPU_IO_STATEREADERFACTORY_H_
   #define INCLUDE_FLAMEGPU_IO_STATEREADERFACTORY_H_
   
   #include <memory>
   #include <string>
   #include <unordered_map>
   #include <utility>
   #include <algorithm>
   #include <filesystem>
   #include <vector>
   
   #include "flamegpu/io/StateReader.h"
   #include "flamegpu/io/XMLStateReader.h"
   #include "flamegpu/io/JSONStateReader.h"
   #include "flamegpu/util/StringPair.h"
   
   namespace flamegpu {
   class AgentVector;
   
   namespace io {
   
   class StateReaderFactory {
    public:
       static StateReader* createReader(
           const std::string& input) {
           const std::string extension = std::filesystem::path(input).extension().string();
   
           if (extension == ".xml") {
               return new XMLStateReader();
           } else if (extension == ".json") {
               return new JSONStateReader();
           }
           THROW exception::UnsupportedFileType("File '%s' is not a type which can be read "
               "by StateReaderFactory::createReader().",
               input.c_str());
       }
   };
   }  // namespace io
   }  // namespace flamegpu
   
   #endif  // INCLUDE_FLAMEGPU_IO_STATEREADERFACTORY_H_