File : gnatcom-create-inproc.adb
------------------------------------------------------------------------------
-- --
-- GNATCOM - Ada 95 COM/DCOM/COM+ Development Framework and Tools --
-- --
-- G N A T C O M . C R E A T E . I N P R O C --
-- --
-- B o d y --
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-- $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 --
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-- 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. --
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------------------------------------------------------------------------------
with GNATCOM.Register;
package body GNATCOM.Create.Inproc is
CLASS_E_CLASSNOTAVAILABLE : constant := 16#80040111#;
TypeLibary_LIBID : GNATCOM.Types.GUID;
DLL_PROCESS_DETACH : constant := 0;
DLL_PROCESS_ATTACH : constant := 1;
procedure Adainit;
pragma Import (C, Adainit);
procedure Adafinal;
pragma Import (C, Adafinal);
function DllMain
(hinstDLL : Interfaces.C.long;
fdwReason : Interfaces.C.unsigned_short;
lpvReserved : GNATCOM.Types.Pointer_To_Void)
return Interfaces.C.int;
pragma Export (StdCall, DllMain, "DllMain");
---------------------
-- DllCanUnloadNow --
---------------------
function DllCanUnloadNow return GNATCOM.Types.HRESULT is
use type Interfaces.C.long;
begin
if
(GNATCOM.Create.Server_Lock_Count = 0) and
(GNATCOM.Create.Component_Count = 0)
then
return S_OK;
else
return S_FALSE;
end if;
end DllCanUnloadNow;
-----------------------
-- DllGetClassObject --
-----------------------
function DllGetClassObject
(clsid : in GNATCOM.Types.Pointer_To_GUID;
riid : in GNATCOM.Types.Pointer_To_GUID;
ppv : access GNATCOM.Types.Pointer_To_Void)
return GNATCOM.Types.HRESULT
is
use type GNATCOM.Types.GUID;
use type GNATCOM.Create.Factory.Pointer_To_IClassFactory;
begin
Adainit;
-- Adainit is called outside of DllMain to avoid
-- a Win32 "feature", that if a thread is created in
-- the dllmain, it must exit before dllmain can return.
declare
pFactory : GNATCOM.Create.Factory.Pointer_To_IClassFactory := null;
hr : GNATCOM.Types.HRESULT;
refcount : Interfaces.C.unsigned_long;
begin
for N in
Factory_Map.all'First .. (Factory_Map.all'Last)
loop
if clsid.all = Factory_Map (N).CLSID then
pFactory := new GNATCOM.Create.Factory.IClassFactory;
pFactory.Create := Factory_Map (N).Create;
end if;
end loop;
if pFactory = null then
return CLASS_E_CLASSNOTAVAILABLE;
end if;
hr := GNATCOM.Create.Factory.QueryInterface (pFactory, riid, ppv);
refcount := GNATCOM.Create.Factory.Release (pFactory);
return hr;
end;
end DllGetClassObject;
-----------------------
-- DllRegisterServer --
-----------------------
function DllRegisterServer return GNATCOM.Types.HRESULT is
use Ada.Strings.Unbounded;
Threads : Unbounded_String;
begin
Adainit;
GNATCOM.Register.Register_Type_Library (GNATCOM.Create.hInstance);
case Use_Thread_Model is
when Single =>
Threads := To_Unbounded_String ("Apartment");
when Multiple =>
Threads := To_Unbounded_String ("Free");
when Both =>
Threads := To_Unbounded_String ("Both");
end case;
for N in
Factory_Map.all'First .. (Factory_Map.all'Last)
loop
GNATCOM.Register.Register_Inproc_Server
(hInstance => GNATCOM.Create.hInstance,
CLSID => Factory_Map (N).CLSID,
Name => To_String (Factory_Map (N).Name),
Version => To_String (Factory_Map (N).Version),
Description => To_String (Factory_Map (N).Description),
Thread_Model => To_String (Threads));
end loop;
return S_OK;
end DllRegisterServer;
-------------------------
-- DllUnregisterServer --
-------------------------
function DllUnregisterServer return GNATCOM.Types.HRESULT is
use Ada.Strings.Unbounded;
begin
Adainit;
GNATCOM.Register.Unregister_Type_Library (TypeLibary_LIBID);
for N in
Factory_Map.all'First .. (Factory_Map.all'Last)
loop
GNATCOM.Register.Unregister_Server
(CLSID => Factory_Map (N).CLSID,
Name => To_String (Factory_Map (N).Name),
Version => To_String (Factory_Map (N).Version));
end loop;
return S_OK;
end DllUnregisterServer;
-----------------
-- Init_Object --
-----------------
procedure Init_Object (LIBID : in GNATCOM.Types.GUID) is
begin
TypeLibary_LIBID := LIBID;
end Init_Object;
-------------
-- DllMain --
-------------
function DllMain
(hinstDLL : Interfaces.C.long;
fdwReason : Interfaces.C.unsigned_short;
lpvReserved : GNATCOM.Types.Pointer_To_Void)
return Interfaces.C.int
is
pragma Warnings (Off, lpvReserved);
begin
case fdwReason is
when DLL_PROCESS_ATTACH =>
GNATCOM.Create.hInstance := hinstDLL;
return 1;
when DLL_PROCESS_DETACH =>
Adafinal;
return 1;
when others =>
return 1;
end case;
end DllMain;
end GNATCOM.Create.Inproc;