Encode array string to base64.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| character(len=*), | intent(in) | :: | s(1:) | String to be encoded. |
||
| character(len=:), | intent(out), | allocatable | :: | code | Encoded scalar. |
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Nodes of different colours represent the following:
Solid arrows point from a procedure to one which it calls. Dashed arrows point from an interface to procedures which implement that interface. This could include the module procedures in a generic interface or the implementation in a submodule of an interface in a parent module.
pure subroutine b64_encode_string_a(s, code)
!---------------------------------------------------------------------------------------------------------------------------------
!< Encode array string to base64.
!---------------------------------------------------------------------------------------------------------------------------------
character(*), intent(in) :: s(1:) !< String to be encoded.
character(len=:), allocatable, intent(out) :: code !< Encoded scalar.
integer(I1P), allocatable :: nI1P(:) !< One byte integer array containing n.
integer(I4P) :: padd !< Number of padding characters ('=').
integer(I4P) :: BYCHS !< Bytes of character string.
!---------------------------------------------------------------------------------------------------------------------------------
!---------------------------------------------------------------------------------------------------------------------------------
BYCHS = byte_size(s(1))*size(s,dim=1)
allocate(nI1P(1:((BYCHS+2)/3)*3)) ; nI1P = 0_I1P
code = repeat(' ',((BYCHS+2)/3)*4)
nI1P = transfer(s,nI1P)
padd = mod((BYCHS),3_I4P) ; if (padd>0_I4P) padd = 3_I4P - padd
call encode_bits(bits=nI1P,padd=padd,code=code)
return
!---------------------------------------------------------------------------------------------------------------------------------
endsubroutine b64_encode_string_a