181 lines
7.5 KiB
Ada
181 lines
7.5 KiB
Ada
------------------------------------------------------------------------------
|
|
-- --
|
|
-- GNAT RUN-TIME COMPONENTS --
|
|
-- --
|
|
-- S Y S T E M . I M G _ C H A R --
|
|
-- --
|
|
-- B o d y --
|
|
-- --
|
|
-- Copyright (C) 1992-2013, 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. --
|
|
-- --
|
|
------------------------------------------------------------------------------
|
|
|
|
package body System.Img_Char is
|
|
|
|
---------------------
|
|
-- Image_Character --
|
|
---------------------
|
|
|
|
procedure Image_Character
|
|
(V : Character;
|
|
S : in out String;
|
|
P : out Natural)
|
|
is
|
|
pragma Assert (S'First = 1);
|
|
|
|
subtype Cname is String (1 .. 3);
|
|
|
|
subtype C0_Range is Character
|
|
range Character'Val (16#00#) .. Character'Val (16#1F#);
|
|
|
|
C0 : constant array (C0_Range) of Cname :=
|
|
(Character'Val (16#00#) => "NUL",
|
|
Character'Val (16#01#) => "SOH",
|
|
Character'Val (16#02#) => "STX",
|
|
Character'Val (16#03#) => "ETX",
|
|
Character'Val (16#04#) => "EOT",
|
|
Character'Val (16#05#) => "ENQ",
|
|
Character'Val (16#06#) => "ACK",
|
|
Character'Val (16#07#) => "BEL",
|
|
Character'Val (16#08#) => "BS ",
|
|
Character'Val (16#09#) => "HT ",
|
|
Character'Val (16#0A#) => "LF ",
|
|
Character'Val (16#0B#) => "VT ",
|
|
Character'Val (16#0C#) => "FF ",
|
|
Character'Val (16#0D#) => "CR ",
|
|
Character'Val (16#0E#) => "SO ",
|
|
Character'Val (16#0F#) => "SI ",
|
|
Character'Val (16#10#) => "DLE",
|
|
Character'Val (16#11#) => "DC1",
|
|
Character'Val (16#12#) => "DC2",
|
|
Character'Val (16#13#) => "DC3",
|
|
Character'Val (16#14#) => "DC4",
|
|
Character'Val (16#15#) => "NAK",
|
|
Character'Val (16#16#) => "SYN",
|
|
Character'Val (16#17#) => "ETB",
|
|
Character'Val (16#18#) => "CAN",
|
|
Character'Val (16#19#) => "EM ",
|
|
Character'Val (16#1A#) => "SUB",
|
|
Character'Val (16#1B#) => "ESC",
|
|
Character'Val (16#1C#) => "FS ",
|
|
Character'Val (16#1D#) => "GS ",
|
|
Character'Val (16#1E#) => "RS ",
|
|
Character'Val (16#1F#) => "US ");
|
|
|
|
subtype C1_Range is Character
|
|
range Character'Val (16#7F#) .. Character'Val (16#9F#);
|
|
|
|
C1 : constant array (C1_Range) of Cname :=
|
|
(Character'Val (16#7F#) => "DEL",
|
|
Character'Val (16#80#) => "res",
|
|
Character'Val (16#81#) => "res",
|
|
Character'Val (16#82#) => "BPH",
|
|
Character'Val (16#83#) => "NBH",
|
|
Character'Val (16#84#) => "res",
|
|
Character'Val (16#85#) => "NEL",
|
|
Character'Val (16#86#) => "SSA",
|
|
Character'Val (16#87#) => "ESA",
|
|
Character'Val (16#88#) => "HTS",
|
|
Character'Val (16#89#) => "HTJ",
|
|
Character'Val (16#8A#) => "VTS",
|
|
Character'Val (16#8B#) => "PLD",
|
|
Character'Val (16#8C#) => "PLU",
|
|
Character'Val (16#8D#) => "RI ",
|
|
Character'Val (16#8E#) => "SS2",
|
|
Character'Val (16#8F#) => "SS3",
|
|
Character'Val (16#90#) => "DCS",
|
|
Character'Val (16#91#) => "PU1",
|
|
Character'Val (16#92#) => "PU2",
|
|
Character'Val (16#93#) => "STS",
|
|
Character'Val (16#94#) => "CCH",
|
|
Character'Val (16#95#) => "MW ",
|
|
Character'Val (16#96#) => "SPA",
|
|
Character'Val (16#97#) => "EPA",
|
|
Character'Val (16#98#) => "SOS",
|
|
Character'Val (16#99#) => "res",
|
|
Character'Val (16#9A#) => "SCI",
|
|
Character'Val (16#9B#) => "CSI",
|
|
Character'Val (16#9C#) => "ST ",
|
|
Character'Val (16#9D#) => "OSC",
|
|
Character'Val (16#9E#) => "PM ",
|
|
Character'Val (16#9F#) => "APC");
|
|
|
|
begin
|
|
-- Control characters are represented by their names (RM 3.5(32))
|
|
|
|
if V in C0_Range then
|
|
S (1 .. 3) := C0 (V);
|
|
P := (if S (3) = ' ' then 2 else 3);
|
|
|
|
elsif V in C1_Range then
|
|
S (1 .. 3) := C1 (V);
|
|
|
|
if S (1) /= 'r' then
|
|
P := (if S (3) = ' ' then 2 else 3);
|
|
|
|
-- Special case, res means RESERVED_nnn where nnn is the three digit
|
|
-- decimal value corresponding to the code position (more efficient
|
|
-- to compute than to store).
|
|
|
|
else
|
|
declare
|
|
VP : constant Natural := Character'Pos (V);
|
|
begin
|
|
S (1 .. 9) := "RESERVED_";
|
|
S (10) := Character'Val (48 + VP / 100);
|
|
S (11) := Character'Val (48 + (VP / 10) mod 10);
|
|
S (12) := Character'Val (48 + VP mod 10);
|
|
P := 12;
|
|
end;
|
|
end if;
|
|
|
|
-- Normal characters yield the character enclosed in quotes (RM 3.5(32))
|
|
|
|
else
|
|
S (1) := ''';
|
|
S (2) := V;
|
|
S (3) := ''';
|
|
P := 3;
|
|
end if;
|
|
end Image_Character;
|
|
|
|
------------------------
|
|
-- Image_Character_05 --
|
|
------------------------
|
|
|
|
procedure Image_Character_05
|
|
(V : Character;
|
|
S : in out String;
|
|
P : out Natural)
|
|
is
|
|
pragma Assert (S'First = 1);
|
|
begin
|
|
if V = Character'Val (16#00AD#) then
|
|
P := 11;
|
|
S (1 .. P) := "SOFT_HYPHEN";
|
|
else
|
|
Image_Character (V, S, P);
|
|
end if;
|
|
end Image_Character_05;
|
|
|
|
end System.Img_Char;
|