1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
------------------------------------------------------------------------------
-- --
-- ASIS UTILITY LIBRARY COMPONENTS --
-- --
-- A S I S _ U L . W I D E _ S T R I N G S --
-- --
-- S p e c --
-- --
-- Copyright (C) 2008, AdaCore --
-- --
-- Asis Utility Library (ASIS UL) is free software; you can redistribute it --
-- and/or modify it under terms of the GNU General Public License as --
-- published by the Free Software Foundation; either version 2, or (at your --
-- option) any later version. ASIS UL is distributed in the hope that it --
-- will be useful, but WITHOUT ANY WARRANTY; without even the implied --
-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the --
-- GNU General Public License for more details. You should have received a --
-- copy of the GNU General Public License distributed with GNAT; see file --
-- COPYING. If not, write to the Free Software Foundation, 51 Franklin --
-- Street, Fifth Floor, Boston, MA 02110-1301, USA. --
-- --
-- ASIS UL is maintained by AdaCore (http://www.adacore.com). --
-- --
------------------------------------------------------------------------------
-- This package provides a string storage mechanism for varied length wide
-- strings similar to what is defined in ASIS_UL.Strings package. Unlike to
-- ASIS_UL.Strings, it does not include any routines for computing strings
-- representing GNAT SLOC, this is why we define these two packages
-- separately, but not as the instantiations of the common generic that
-- defines a string storage
package ASIS_UL.Wide_Strings is
type Wide_String_Loc is record
First, Last : Natural;
end record;
-- This record contains the start and end positions of a string inside
-- a (wide) character table
Nil_Wide_String_Loc : Wide_String_Loc := (0, 0);
-- Corresponds to an empty string
function Enter_Wide_String (S : Wide_String) return Wide_String_Loc;
-- Stores a string in a character array, returning its starting and ending
-- positions in a String_Loc structure
function Get_Wide_String (SL : Wide_String_Loc) return Wide_String;
-- Retrieves a string from a character array, based on its starting
-- and ending positions supplied by SL
function Is_Equal (S : Wide_String; SL : Wide_String_Loc) return Boolean;
-- Checks if S is equal to a string represented by SL. Returns False if
-- SL represents null string of if SL does not represent a string stored
-- in the string storage.
procedure Init;
-- Resets the string table
end ASIS_UL.Wide_Strings;
|
