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
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
------------------------------------------------------------------------------
-- --
-- GNATPP COMPONENTS --
-- --
-- G N A T P P . S T R I N G S --
-- --
-- B o d y --
-- --
-- Copyright (C) 2004, ACT Europe --
-- --
-- GNATPP 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 2, or (at your option) any later ver- --
-- sion. GNATPP is distributed in the hope that it will be useful, but --
-- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABI- --
-- LITY 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, 59 Temple Place - Suite 330, --
-- Boston, --
-- --
-- GNATPP is maintained by ACT Europe (http://www.act-europe.fr). --
-- --
------------------------------------------------------------------------------
with Table;
package body GNATPP.Strings is
package Chars is new Table.Table (
Table_Component_Type => Character,
Table_Index_Type => Integer,
Table_Low_Bound => 1,
Table_Initial => 10000,
Table_Increment => 1000,
Table_Name => "character container");
Table : Chars.Table_Ptr renames Chars.Table;
------------------
-- Enter_String --
------------------
function Enter_String (S : String) return String_Loc is
Len : constant Integer := S'Length;
F : Integer;
begin
if Len = 0 then
return Nil_String_Loc;
else
Chars.Increment_Last;
F := Chars.Last;
Chars.Set_Last (F + Len - 1);
Table (F .. F + Len - 1) := Chars.Table_Type (S);
return (F, F + Len - 1);
end if;
end Enter_String;
----------------
-- Get_String --
----------------
function Get_String (SL : String_Loc) return String is
begin
if SL = Nil_String_Loc then
return "";
else
return String (Table (SL.First .. SL.Last));
end if;
end Get_String;
----------
-- Init --
----------
procedure Init is
begin
Chars.Init;
end Init;
end GNATPP.Strings;
|
