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
|
------------------------------------------------------------------------------
-- XML/Ada - An XML suite for Ada95 --
-- --
-- Copyright (C) 2007-2017, AdaCore --
-- --
-- This library 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 3, or (at your option) any later --
-- version. This library is distributed in the hope that it will be useful, --
-- but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHAN- --
-- TABILITY 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/>. --
-- --
------------------------------------------------------------------------------
package body String_Stream is
-----------
-- Write --
-----------
procedure Write
(Stream : in out String_Stream_Type;
Item : Stream_Element_Array)
is
Str : String (1 .. Integer (Item'Length));
S : Integer := Str'First;
begin
for J in Item'Range loop
Str (S) := Character'Val (Item (J));
S := S + 1;
end loop;
Append (Stream.Str, Str);
end Write;
----------
-- Open --
----------
procedure Open
(Stream : in out String_Stream_Type'Class;
Str : String) is
begin
Stream.Str := To_Unbounded_String (Str);
Stream.Read_Index := 1;
end Open;
----------
-- Read --
----------
procedure Read
(Stream : in out String_Stream_Type;
Item : out Stream_Element_Array;
Last : out Stream_Element_Offset)
is
Str : constant String := Slice
(Stream.Str, Stream.Read_Index, Stream.Read_Index + Item'Length - 1);
J : Stream_Element_Offset := Item'First;
begin
for S in Str'Range loop
Item (J) := Stream_Element (Character'Pos (Str (S)));
J := J + 1;
end loop;
Last := Item'First + Str'Length - 1;
Stream.Read_Index := Stream.Read_Index + Item'Length;
end Read;
end String_Stream;
|
