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
|
-------------------------------------------------------------------------------
-- --
-- GNADE : GNu Ada Database Environment --
-- --
-- Author : Juergen Pfeifer <juergen.pfeifer@gmx.net>
--
-- Copyright (C) 2000-2003 Juergen Pfeifer
-- --
-- GNADE 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. GNAT is distributed in the hope that it will be useful, but WITH- --
-- OUT 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, 59 Temple Place - Suite 330, Boston, --
-- MA 02111-1307, USA. --
-- --
-- As a special exception, if other files instantiate generics from this --
-- unit, or you link this unit with other files to produce an executable, --
-- this unit does not by itself cause the resulting executable to be --
-- covered by the GNU General Public License. This exception does not --
-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
-- --
-- GNADE is implemented to work with GNAT, the GNU Ada compiler. --
-- --
-------------------------------------------------------------------------------
with System.WCh_Con; use System.WCh_Con;
pragma Warnings (Off); -- System.WCh_Wts is an internal GNAT unit
with System.WCh_WtS; use System.WCh_WtS;
pragma Warnings (On);
package body GNU.DB.SQLCLI.Generic_Attr.Wide_String_Attribute is
function To_String (Object : Attribute_Value_Pair_Wide_String)
return String is
begin
return Wide_String_To_String (Object.Value, WCEM_Hex);
end To_String;
function GetAttr (Handle : Context;
Attribute : T;
Data : Aux;
MaxLength : SQLSMALLINT := 0;
ErrorCode : access SQLRETURN)
return Attribute_Value_Pair_Wide_String is
pragma Assert (MaxLength > 0);
pragma Warnings (Off);
Str : aliased Wide_String (1 .. Positive (MaxLength));
pragma Warnings (On);
Len : Base := Base (Str'Length);
begin
Get (Handle,
Attribute,
To_SQLPOINTER (Str'Address),
Len,
Data,
ErrorCode);
if Len <= 0 or else Wide_Character'Pos (Str (Str'First)) = 0 then
return Attribute_Value_Pair_Wide_String'(Attribute => Attribute,
Len => 0,
Value => Wide_String'(""));
else
return Attribute_Value_Pair_Wide_String'
(Attribute => Attribute,
Len => Natural (Len),
Value => Str (1 .. Natural (Len)));
end if;
end GetAttr;
procedure SetAttr (Handle : in Context;
AV_Pair : in Attribute_Value_Pair_Wide_String;
Data : in Aux;
ErrorCode : out SQLRETURN) is
Length : constant Base := Base (AV_Pair.Value'Length);
begin
Set (Handle, AV_Pair.Attribute,
To_SQLPOINTER (AV_Pair.Value'Address),
Length,
Data,
ErrorCode);
end SetAttr;
end GNU.DB.SQLCLI.Generic_Attr.Wide_String_Attribute;
|
