File: ProjectFormatVersion.cpp

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/**********************************************************************

  Audacity: A Digital Audio Editor

  ProjectFormatVersion.cpp

  Dmitry Vedenko

**********************************************************************/

#include "ProjectFormatVersion.h"

#include <tuple>

bool operator == (ProjectFormatVersion lhs, ProjectFormatVersion rhs) noexcept
{
   return std::tie(lhs.Major, lhs.Minor, lhs.Revision, lhs.ModLevel) ==
          std::tie(rhs.Major, rhs.Minor, rhs.Revision, rhs.ModLevel);
}

bool operator != (ProjectFormatVersion lhs, ProjectFormatVersion rhs) noexcept
{
   return !(lhs == rhs);
}

bool operator < (ProjectFormatVersion lhs, ProjectFormatVersion rhs) noexcept
{
   return std::tie(lhs.Major, lhs.Minor, lhs.Revision, lhs.ModLevel) <
          std::tie(rhs.Major, rhs.Minor, rhs.Revision, rhs.ModLevel);
}

ProjectFormatVersion ProjectFormatVersion::FromPacked(uint32_t packedVersion) noexcept
{
   return {
      static_cast<uint8_t>((packedVersion >> 24) & 0xFF),
      static_cast<uint8_t>((packedVersion >> 16) & 0xFF),
      static_cast<uint8_t>((packedVersion >> 8 ) & 0xFF),
      static_cast<uint8_t>((packedVersion      ) & 0xFF),
   };
}

uint32_t ProjectFormatVersion::GetPacked() const noexcept
{
   return (Major << 24) | (Minor << 16) | (Revision << 8) | ModLevel;
}

bool ProjectFormatVersion::IsValid() const noexcept
{
   return Major != 0;
}

const ProjectFormatVersion SupportedProjectFormatVersion = {
   AUDACITY_VERSION, AUDACITY_RELEASE, AUDACITY_REVISION, AUDACITY_MODLEVEL
};

const ProjectFormatVersion BaseProjectFormatVersion = { AUDACITY_VERSION, AUDACITY_RELEASE, 0, 0 };