experimenting with character classes

This commit is contained in:
hyung-hwan 2021-10-16 02:04:24 +00:00
parent e6c4873789
commit a10505d19e
2 changed files with 28 additions and 1 deletions

View File

@ -76,6 +76,7 @@ private
end record;
type Buffer_Pointer is access all Buffer_Record;
--for Buffer_Pointer'Storage_Pool use <<TODO: custom storage pool?>> H3'Storage_Pool;
--Empty_Buffer: aliased Buffer_Record(1);
-- Use 1 slot to hold the terminator value regardless of th terminator length in Empty_Buffer.

View File

@ -1,8 +1,10 @@
with H3.Arrays;
with H3.Strings;
with H3.CC;
with Ada.Text_IO;
with Ada.Wide_Text_IO;
with Ada.Assertions;
with Interfaces.C;
use type H3.System_Size;
@ -51,5 +53,29 @@ begin
-- ---------------------
Ada.Wide_Text_IO.Put_Line (Standard.Wide_String(Str.To_Item_Array));
Ada.Wide_Text_IO.Put_Line (Standard.Wide_String(Str2.To_Item_Array));
end;
declare
package C renames Interfaces.C;
package CC is new H3.CC(Standard.Wide_Character);
--function isspace(a: Standard.Character) return C.int
-- with Import => True, Convention => C, External_Name => "isspace";
function isspace(a: Standard.Character) return C.int;
pragma Import (C, isspace, "isspace");
ch: Standard.Wide_Character;
begin
for i in 0 .. 255 loop
ch := Standard.Wide_Character'Val(i);
Ada.Text_IO.Put (I'img & "[" & ch'Img & "]");
for j in CC.Class'Range loop
Ada.Text_IO.Put (" " & J'Img & ":" & CC.Is_Class(ch, j)'Img);
end loop;
Ada.Text_IO.Put_Line ("");
end loop;
end;
end;