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function Length (Buffer : Atom_Buffer) return Count is
begin
return Buffer.Used;
end Length;
function Query (Buffer : Atom_Buffer) return Atom is
function Data (Buffer : Atom_Buffer) return Atom is
begin
if Buffer.Ref.Is_Empty then
pragma Assert (Buffer.Available = 0 and Buffer.Used = 0);
return Null_Atom;
else
return Buffer.Ref.Query.Data.all;
end if;
end Query;
end Data;
function Query (Buffer : Atom_Buffer) return Atom_Refs.Accessor is
function Raw_Query (Buffer : Atom_Buffer) return Atom_Refs.Accessor is
function Create return Atom;
function Create return Atom is
begin
return Null_Atom;
end Create;
begin
if Buffer.Ref.Is_Empty then
return Atom_Refs.Create (Create'Access).Query;
else
return Buffer.Ref.Query;
end if;
end Query;
end Raw_Query;
procedure Query
(Buffer : in Atom_Buffer;
Process : not null access procedure (Data : in Atom)) is
begin
if Buffer.Ref.Is_Empty then
Process.all (Null_Atom);
else
Buffer.Ref.Query (Process);
end if;
end Query;
procedure Query
procedure Read
(Buffer : in Atom_Buffer;
Data : out Atom;
Length : out Count)
is
Transmit : constant Count := Count'Min (Data'Length, Buffer.Used);
begin
Length := Buffer.Used;
if Buffer.Ref.Is_Empty then
pragma Assert (Length = 0);
null;
else
Data (Data'First .. Data'First + Transmit - 1)
:= Buffer.Ref.Query.Data.all (1 .. Transmit);
end if;
end Query;
end Read;
function Element (Buffer : Atom_Buffer; Position : Count) return Octet is
begin
return Buffer.Ref.Query.Data.all (Position);
end Element;
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