-- Black HTTP and Websocket library - License
--
-- Copyright (c) 2014, AdaHeads K/S
-- Copyright (c) 2016, JSA Research & Innovation
-- Copyright (c) 2017, Consafe Logistics A/S
--
-- 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.
with Ada.Streams;
with Ada.Strings.Unbounded;
private with Ada.Containers.Doubly_Linked_Lists;
package Black.Streams.Memory is
type Instance is new Ada.Streams.Root_Stream_Type with private;
not overriding
function Length (Stream : in Instance)
return Ada.Streams.Stream_Element_Offset;
not overriding
function Length (Stream : in Instance) return Natural;
overriding
procedure Read (Stream : in out Instance;
Item : out Ada.Streams.Stream_Element_Array;
Last : out Ada.Streams.Stream_Element_Offset);
overriding
procedure Write (Stream : in out Instance;
Item : in Ada.Streams.Stream_Element_Array);
not overriding
procedure Read (Stream : in out Instance;
Item : out String;
Last : out Natural);
not overriding
procedure Read (Stream : in out Instance;
Item : out Ada.Strings.Unbounded.Unbounded_String);
not overriding
procedure Write (Stream : in out Instance;
Item : in String);
not overriding
procedure Write (Stream : in out Instance;
Item : in Ada.Strings.Unbounded.Unbounded_String);
private
Buffer_Size : constant := 16_000;
subtype Buffer_Type is Ada.Streams.Stream_Element_Array (1 .. Buffer_Size);
package Lists is
new Ada.Containers.Doubly_Linked_Lists (Element_Type => Buffer_Type,
"=" => Ada.Streams."=");
type Instance is new Ada.Streams.Root_Stream_Type with
record
Data : Lists.List;
Head : Ada.Streams.Stream_Element_Offset := Buffer_Type'First;
Tail : Ada.Streams.Stream_Element_Offset := Buffer_Type'Last;
end record;
end Black.Streams.Memory;