| ------------------------------------------------------------------------------ |
| -- -- |
| -- GNAT RUN-TIME COMPONENTS -- |
| -- -- |
| -- ADA.STRINGS.TEXT_BUFFERS.UTILS -- |
| -- -- |
| -- S p e c -- |
| -- -- |
| -- Copyright (C) 2020-2022, 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 -- |
| -- <http://www.gnu.org/licenses/>. -- |
| -- -- |
| -- GNAT was originally developed by the GNAT team at New York University. -- |
| -- Extensive contributions were provided by Ada Core Technologies Inc. -- |
| -- -- |
| ------------------------------------------------------------------------------ |
| |
| with Ada.Strings.UTF_Encoding.Wide_Wide_Strings; |
| |
| package Ada.Strings.Text_Buffers.Utils with Pure is |
| |
| -- Ada.Strings.Text_Buffers is a predefined unit (see Ada RM A.4.12). |
| -- This is a GNAT-defined child unit of that parent. |
| |
| subtype Character_7 is |
| Character range Character'Val (0) .. Character'Val (2**7 - 1); |
| |
| procedure Put_7bit |
| (Buffer : in out Root_Buffer_Type'Class; Item : Character_7); |
| procedure Put_Character |
| (Buffer : in out Root_Buffer_Type'Class; Item : Character); |
| procedure Put_Wide_Character |
| (Buffer : in out Root_Buffer_Type'Class; Item : Wide_Character); |
| procedure Put_Wide_Wide_Character |
| (Buffer : in out Root_Buffer_Type'Class; Item : Wide_Wide_Character); |
| -- Single character output procedures. |
| |
| function Column (Buffer : Root_Buffer_Type'Class) return Positive with |
| Inline; |
| -- Current output column. The Column is initially 1, and is incremented for |
| -- each 8-bit character output. A call to New_Line sets Column back to 1. |
| -- The next character to be output will go in this column. |
| |
| procedure Tab_To_Column |
| (Buffer : in out Root_Buffer_Type'Class; Column : Positive); |
| -- Put spaces until we're at or past Column. |
| |
| subtype Sink is Root_Buffer_Type; |
| |
| function NL return Character is (ASCII.LF) with Inline; |
| |
| function UTF_8_Length (Buffer : Root_Buffer_Type'Class) return Natural; |
| |
| subtype UTF_8_Lines is UTF_Encoding.UTF_8_String with |
| Predicate => |
| UTF_Encoding.Wide_Wide_Strings.Encode |
| (UTF_Encoding.Wide_Wide_Strings.Decode (UTF_8_Lines)) = UTF_8_Lines; |
| |
| subtype UTF_8 is UTF_8_Lines with |
| Predicate => (for all UTF_8_Char of UTF_8 => UTF_8_Char /= NL); |
| |
| procedure Put_UTF_8_Lines |
| (Buffer : in out Root_Buffer_Type'Class; Item : UTF_8_Lines); |
| |
| private |
| function UTF_8_Length (Buffer : Root_Buffer_Type'Class) return Natural |
| is (Buffer.UTF_8_Length); |
| end Ada.Strings.Text_Buffers.Utils; |