------------------------------------------------------------------------------ -- -- -- GNAT RUN-TIME COMPONENTS -- -- -- -- ADA.STRINGS.TEXT_OUTPUT.BUFFERS -- -- -- -- S p e c -- -- -- -- Copyright (C) 2020, Free Software Foundation, Inc. -- -- -- -- GNAT is free software; you can redistribute it and/or modify it under -- -- terms of the GNU General Public License as published by the Free Soft- -- -- ware Foundation; either version 3, or (at your option) any later ver- -- -- sion. GNAT is distributed in the hope that it will be useful, but WITH- -- -- OUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY -- -- or FITNESS FOR A PARTICULAR PURPOSE. -- -- -- -- As a special exception under Section 7 of GPL version 3, you are granted -- -- additional permissions described in the GCC Runtime Library Exception, -- -- version 3.1, as published by the Free Software Foundation. -- -- -- -- You should have received a copy of the GNU General Public License and -- -- a copy of the GCC Runtime Library Exception along with this program; -- -- see the files COPYING3 and COPYING.RUNTIME respectively. If not, see -- -- . -- -- -- -- GNAT was originally developed by the GNAT team at New York University. -- -- Extensive contributions were provided by Ada Core Technologies Inc. -- -- -- ------------------------------------------------------------------------------ package Ada.Strings.Text_Output.Buffers is type Buffer (<>) is new Sink with private; function New_Buffer (Indent_Amount : Natural := Default_Indent_Amount; Chunk_Length : Positive := Default_Chunk_Length) return Buffer; procedure Destroy (S : in out Buffer); -- Reclaim any heap-allocated data, and render the Buffer unusable. -- It would make sense to do this via finalization, but we wish to -- avoid controlled types in the generated code for 'Image. function Get_UTF_8 (S : Buffer'Class) return UTF_8_Lines; -- Get the characters in S, encoded as UTF-8. function UTF_8_Length (S : Buffer'Class) return Natural; procedure Get_UTF_8 (S : Buffer'Class; Result : out UTF_8_Lines) with Pre => Result'First = 1 and Result'Last = UTF_8_Length (S); -- This is a procedure version of the Get_UTF_8 function, for -- efficiency. The Result String must be the exact right length. function Get (S : Buffer'Class) return String; function Wide_Get (S : Buffer'Class) return Wide_String; function Wide_Wide_Get (S : Buffer'Class) return Wide_Wide_String; -- Get the characters in S, decoded as [[Wide_]Wide_]String. -- There is no need for procedure versions of these, because -- they are intended primarily to implement the [[Wide_]Wide_]Image -- attribute, which is already a function. private type Chunk_Count is new Natural; type Buffer is new Sink with record Num_Extra_Chunks : Natural := 0; -- Number of chunks in the linked list, not including Initial_Chunk. end record; overriding procedure Full_Method (S : in out Buffer); overriding procedure Flush_Method (S : in out Buffer) is null; end Ada.Strings.Text_Output.Buffers;