ESMF_AttributeCopyFieldToField Subroutine

subroutine ESMF_AttributeCopyFieldToField(src, dst, keywordEnforcer, attcopy, rc)
  type(ESMF_Field), intent(in) :: src
  type(ESMF_Field), intent(inout) :: dst
type(ESMF_KeywordEnforcer), optional:: keywordEnforcer ! must use keywords below
  type(ESMF_AttCopy_Flag), intent(in), optional :: attcopy
  integer, intent(out), optional :: rc

  integer :: localrc
  type(ESMF_InfoDescribe) :: eidesc
  type(ESMF_Info) :: isrc, idst
  type(ESMF_AttCopy_Flag) :: local_attcopy
  type(ESMF_Base) :: src_base, dst_base

  localrc = ESMF_FAILURE
  if (present(rc)) rc = ESMF_RC_NOT_IMPL
  if (present(attcopy)) then
    local_attcopy = attcopy
  else
    local_attcopy = ESMF_ATTCOPY_VALUE
  end if

  ! Check object initialization
  ESMF_INIT_CHECK_DEEP(ESMF_FieldGetInit, src, localrc)
  ESMF_INIT_CHECK_DEEP(ESMF_FieldGetInit, dst, localrc)

  if (local_attcopy%value == ESMF_ATTCOPY_VALUE%value) then
    isrc = eidesc%GetInfo(src, rc=localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, ESMF_CONTEXT, rcToReturn=rc)) return
    idst = eidesc%GetInfo(dst, rc=localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, ESMF_CONTEXT, rcToReturn=rc)) return

    call c_info_copyforattribute(isrc%ptr, idst%ptr, localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, ESMF_CONTEXT, rcToReturn=rc)) return
  else if (local_attcopy%value == ESMF_ATTCOPY_REFERENCE%value) then
    call eidesc%Initialize(createInfo=.false., rc=localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, ESMF_CONTEXT, rcToReturn=rc)) return

    call eidesc%Update(src, "", rc=localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, ESMF_CONTEXT, rcToReturn=rc)) return

    src_base = eidesc%GetCurrentBase(rc=localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, ESMF_CONTEXT, rcToReturn=rc)) return

    call eidesc%Update(dst, "", rc=localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, ESMF_CONTEXT, rcToReturn=rc)) return

    dst_base = eidesc%GetCurrentBase(rc=localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, ESMF_CONTEXT, rcToReturn=rc)) return

    call eidesc%Destroy(rc=localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, ESMF_CONTEXT, rcToReturn=rc)) return

    call c_info_copyforattribute_reference(src_base%this%ptr, dst_base%this%ptr, localrc)
    if (ESMF_LogFoundError(localrc, ESMF_ERR_PASSTHRU, ESMF_CONTEXT, rcToReturn=rc)) return
  else
    if (ESMF_LogFoundError(ESMF_FAILURE, msg="Flag not recognized", ESMF_CONTEXT, rcToReturn=rc)) return
  end if

  if (present(rc)) rc = ESMF_SUCCESS
end subroutine ESMF_AttributeCopyFieldToField