encode_ascii_dataarray1_rank2_I4P Function

  function encode_ascii_dataarray1_rank2_I4P(x) result(code)
  !< Encode (Base64) a dataarray with 1 components of rank 2 (I4P).
  integer(I4P),    intent(in)   :: x(1:,1:) !< Data variable
  character(len=:), allocatable :: code     !< Encoded base64 dataarray.
  integer(I4P)                  :: n1       !< Counter.
  integer(I4P)                  :: n2       !< Counter.
  integer(I4P)                  :: l        !< Length
  integer(I4P)                  :: sp       !< String pointer
  integer(I4P)                  :: size_n1  !< Dimension 1 size
  integer(I4P)                  :: size_n2  !< Dimension 2 size
  
  size_n1 = size(x, dim=1)
  size_n2 = size(x, dim=2)
  l = DI4P + 1
  sp = 0
  code = repeat(' ',l*size_n1*size_n2)
  do n2=1, size(x, dim=2)
    do n1=1, size(x, dim=1)-1
      code(sp+1:sp+l) = str(n=x(n1, n2))//' '
      sp = sp + l
    enddo
    code(sp+1:sp+l) = ' '//str(n=x(size(x, dim=1), n2))
    sp = sp + l
  enddo
  endfunction encode_ascii_dataarray1_rank2_I4P