Method generateStructCompareOperators

generator/VideoHppGenerator.cpp:340–381

}

std::string VideoHppGenerator::generateStructCompareOperators( std::pair<std::string, StructureData> const & structData ) const
{
  static std::set<std::string> const simpleTypes = { "char",   "double",  "DWORD",    "float",    "HANDLE",  "HINSTANCE", "HMONITOR",
                                                     "HWND",   "int",     "int8_t",   "int16_t",  "int32_t", "int64_t",   "LPCWSTR",
                                                     "size_t", "uint8_t", "uint16_t", "uint32_t", "uint64_t" };

  // two structs are compared by comparing each of the elements
  std::string compareMembers;
  std::string intro = "";
  for ( size_t i = 0; i < structData.second.members.size(); i++ )
  {
    MemberData const & member = structData.second.members[i];
    auto               typeIt = m_types.find( member.type.name );
    assert( typeIt != m_types.end() );
    if ( ( typeIt->second.category == TypeCategory::ExternalType ) && member.type.postfix.empty() && !simpleTypes.contains( member.type.name ) )
    {
      // this type might support operator==() or operator<=>()... that is, use memcmp
      compareMembers += intro + "( memcmp( &" + member.name + ", &rhs." + member.name + ", sizeof( " + member.type.name + " ) ) == 0 )";
    }
    else
    {
      assert( member.type.name != "char" );
      // for all others, we use the operator== of that type
      compareMembers += intro + "( " + member.name + " == rhs." + member.name + " )";
    }
    intro = "\n          && ";
  }

  static std::string const compareTemplate = R"(
    bool operator==( ${name} const & rhs ) const VULKAN_HPP_NOEXCEPT
    {
      return ${compareMembers};
    }

    bool operator!=( ${name} const & rhs ) const VULKAN_HPP_NOEXCEPT
    {
      return !operator==( rhs );
    }
)";

  return replaceWithMap( compareTemplate, { { "name", stripPrefix( structData.first, "StdVideo" ) }, { "compareMembers", compareMembers } } );
}

std::string VideoHppGenerator::generateStructMembers( std::pair<std::string, StructureData> const & structData ) const
{