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------------------------------------------------------------------------------
with Natools.S_Expressions.Atom_Refs;
package Natools.S_Expressions.Atom_Buffers is
pragma Preelaborate (Atom_Buffers);
type Atom_Buffer is tagged limited private;
type Atom_Buffer is new Ada.Streams.Root_Stream_Type with private;
pragma Preelaborable_Initialization (Atom_Buffer);
overriding procedure Write
(Buffer : in out Atom_Buffer;
Item : in Ada.Streams.Stream_Element_Array);
overriding procedure Read
(Buffer : in out Atom_Buffer;
Item : out Ada.Streams.Stream_Element_Array;
Last : out Ada.Streams.Stream_Element_Offset);
procedure Preallocate (Buffer : in out Atom_Buffer; Length : in Count);
-- Preallocate enough memory to append Length octets without
-- any further allocation.
procedure Append (Buffer : in out Atom_Buffer; Data : in Atom);
procedure Append (Buffer : in out Atom_Buffer; Data : in Octet);
-- Append Data after the end of Buffer
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-- Clear buffer and release internal memory
procedure Soft_Reset (Buffer : in out Atom_Buffer);
-- Clear buffer keeping internal memory
private
type Atom_Buffer is tagged limited record
type Atom_Buffer is new Ada.Streams.Root_Stream_Type with record
Ref : Atom_Refs.Reference;
Available, Used : Count := 0;
end record;
end Natools.S_Expressions.Atom_Buffers;
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