package body System.Img_Char is
function Image_Character (V : Character) return String is
subtype Cname is String (1 .. 3);
S : Cname;
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
if V in C0_Range then
S := C0 (V);
if S (3) = ' ' then
return S (1 .. 2);
else
return S;
end if;
elsif V in C1_Range then
S := C1 (V);
if S (1) /= 'r' then
if S (3) = ' ' then
return S (1 .. 2);
else
return S;
end if;
else
declare
VP : constant Natural := Character'Pos (V);
St : String (1 .. 12) := "RESERVED_xxx";
begin
St (10) := Character'Val (48 + VP / 100);
St (11) := Character'Val (48 + (VP / 10) mod 10);
St (12) := Character'Val (48 + VP mod 10);
return St;
end;
end if;
else
S (1) := ''';
S (2) := V;
S (3) := ''';
return S;
end if;
end Image_Character;
end System.Img_Char;