File : gnatcom-ienumvariant_interface.adb
------------------------------------------------------------------------------
-- --
-- GNATCOM - Ada 95 COM/DCOM/COM+ Development Framework and Tools --
-- --
-- G N A T C O M . I E N U M V A R I A N T _ I N T E R F A C E --
-- --
-- B o d y --
-- --
-- $Revision: 1.3 $
-- --
-- Copyright (C) 1999, 2000, 2001 David Botton --
-- --
-- This 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. It 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 this; 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. --
-- --
-- More information about GNATCOM and the most current public version can --
-- be located on the web at http://www.adapower.com/gnatcom --
-- --
-- Support for GNATCOM is available from Ada Core Technologies, Inc. --
-- --
-- In the U.S., contact Ada Core Technologies at: --
-- Tel: +1 (212) 620 7300 ext 117 --
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-- Email: sales@gnat.com --
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------------------------------------------------------------------------------
with GNATCOM.Errors;
package body GNATCOM.IEnumVARIANT_Interface is
procedure Initialize (This : in out IEnumVARIANT_Type) is
begin
Set_IID (This, GNATCOM.Types.IID_IEnumVARIANT);
end Initialize;
function Pointer (This : IEnumVARIANT_Type)
return GNATCOM.Types.Pointer_To_IEnumVARIANT
is
begin
return To_Pointer_To_IEnumVARIANT (Address (This));
end Pointer;
procedure Attach (This : in out IEnumVARIANT_Type;
Pointer : in GNATCOM.Types.Pointer_To_IEnumVARIANT)
is
begin
Attach (This, GNATCOM.Interface.To_Pointer_To_IUnknown
(Pointer.all'Address));
end Attach;
function Next
(This : IEnumVARIANT_Type;
celt : Integer)
return Array_Of_Variants
is
Var_Array : aliased Array_Of_Variants (1 .. celt);
pceltFetched : aliased Interfaces.C.long;
begin
if celt < 1 then
return Var_Array;
end if;
GNATCOM.Errors.Error_Check
(Pointer (This).Vtbl.Next
(Pointer (This),
Interfaces.C.long (celt),
Var_Array (1)'Access,
pceltFetched'Unchecked_Access));
return Var_Array (1 .. Natural (pceltFetched));
end Next;
procedure Skip
(This : IEnumVARIANT_Type;
celt : Integer)
is
begin
GNATCOM.Errors.Error_Check
(Pointer (This).Vtbl.Skip
(Pointer (This),
Interfaces.C.long (celt)));
end Skip;
-----------
-- Reset --
-----------
procedure Reset
(This : IEnumVARIANT_Type)
is
begin
GNATCOM.Errors.Error_Check
(Pointer (This).Vtbl.Reset
(Pointer (This)));
end Reset;
-----------
-- Clone --
-----------
function Clone
(This : IEnumVARIANT_Type)
return GNATCOM.Types.Pointer_To_IEnumVARIANT
is
ppenum : aliased GNATCOM.Types.Pointer_To_IEnumVARIANT;
begin
GNATCOM.Errors.Error_Check
(Pointer (This).Vtbl.Clone
(Pointer (This),
ppenum'Unchecked_Access));
return ppenum;
end Clone;
end GNATCOM.IEnumVARIANT_Interface;