.. _program_listing_file_include_dataspeed_dbw_common_ModuleVersion.hpp:

Program Listing for File ModuleVersion.hpp
==========================================

|exhale_lsh| :ref:`Return to documentation for file <file_include_dataspeed_dbw_common_ModuleVersion.hpp>` (``include/dataspeed_dbw_common/ModuleVersion.hpp``)

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

.. code-block:: cpp

   /*********************************************************************
    * Software License Agreement (BSD License)
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    *
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   #pragma once
   #include <cstdint>
   
   // Undefine GNU C system macros that we use for other purposes
   #ifdef major
   #undef major
   #endif
   #ifdef minor
   #undef minor
   #endif
   
   namespace dataspeed_dbw_common {
   
   class ModuleVersion {
   public:
     constexpr ModuleVersion() {}
     constexpr ModuleVersion(const uint16_t major, const uint16_t minor, const uint16_t build)
         : major_(major), minor_(minor), build_(build) {}
   
     constexpr bool operator< (const ModuleVersion& other) const { return this->full() < other.full(); }
     constexpr bool operator> (const ModuleVersion& other) const { return this->full() > other.full(); }
     constexpr bool operator<=(const ModuleVersion& other) const { return this->full() <= other.full(); }
     constexpr bool operator>=(const ModuleVersion& other) const { return this->full() >= other.full(); }
     constexpr bool operator==(const ModuleVersion& other) const { return this->full() == other.full(); }
     constexpr bool operator!=(const ModuleVersion& other) const { return this->full() != other.full(); }
     constexpr bool valid() const { return full() != 0; }
   
     constexpr uint16_t major() const { return major_; }
     constexpr uint16_t minor() const { return minor_; }
     constexpr uint16_t build() const { return build_; }
   
   private:
     constexpr uint64_t full() const {
       // Bit shifting is more portable than unions
       uint64_t major = (uint64_t)major_ << 32;
       uint64_t minor = (uint64_t)minor_ << 16;
       uint64_t build = (uint64_t)build_;
       return major | minor | build;
     }
     uint16_t major_ = 0;
     uint16_t minor_ = 0;
     uint16_t build_ = 0;
   };
   
   } // namespace dataspeed_dbw_common