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-- Copyright (c) 2015-2019, Natacha Porté --
-- --
-- Permission to use, copy, modify, and distribute this software for any --
-- purpose with or without fee is hereby granted, provided that the above --
-- copyright notice and this permission notice appear in all copies. --
-- --
-- THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES --
-- WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF --
-- MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR --
-- ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES --
-- WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN --
-- ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF --
-- OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. --
------------------------------------------------------------------------------
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-- Natools.S_Expressions.Enumeration_IO provides subprograms to help with --
-- I/O of enumerated type values. It involves mostly the conversion between --
-- Ada-style names (underscore-separated uppercase words) and S-expression --
-- style (hyphen-separated lowercase words). --
------------------------------------------------------------------------------
package Natools.S_Expressions.Enumeration_IO is
pragma Preelaborate;
function To_Atom (Enumeration_Image : in String) return Atom;
-- Convert the output of a 'Image function into a S-expression atom
function To_Image (Data : in Atom) return String;
-- Convert an atom into a string similar to 'Image output
generic
type Enum is (<>);
package Typed_IO is
function Image (T : Enum) return Atom;
-- Convert an enumeration value into an atom
function Value (Data : Atom) return Enum;
-- Convert an atom into an enumeration value
function Value (Data : Atom; Fallback : Enum) return Enum;
-- Convert an atom into an enumeration value,
-- with a fallback value on invalid atom images
end Typed_IO;
end Natools.S_Expressions.Enumeration_IO;