File : gnatcom-itypelib_interface.adb
------------------------------------------------------------------------------
-- --
-- GNATCOM - Ada 95 COM/DCOM/COM+ Development Framework and Tools --
-- --
-- G N A T C O M . I T Y P E L I B _ I N T E R F A C E --
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-- B o d y --
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-- $Revision: 1.4 $
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-- Copyright (C) 1999, 2000, 2001 David Botton --
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-- terms of the GNU General Public License as published by the Free Soft- --
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-- 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 --
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-- however invalidate any other reasons why the executable file might be --
-- covered by the GNU Public License. --
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-- More information about GNATCOM and the most current public version can --
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------------------------------------------------------------------------------
with GNATCOM.Errors; use GNATCOM.Errors;
with GNATCOM.BSTR;
package body GNATCOM.ITypeLib_Interface is
function LoadTypeLib
(wszFile : GNATCOM.Types.BSTR;
ppTLib : access GNATCOM.Types.Pointer_To_ITypeLib)
return GNATCOM.Types.HRESULT;
pragma Import (StdCall, LoadTypeLib, "LoadTypeLib");
----------
-- Open --
----------
procedure Open (This : in out ITypeLib_Type;
Source_Name : in String)
is
Name : GNATCOM.Types.BSTR := GNATCOM.BSTR.To_BSTR (Source_Name);
pTLib : aliased GNATCOM.Types.Pointer_To_ITypeLib;
begin
Error_Check
(LoadTypeLib (Name,
pTLib'Access));
GNATCOM.BSTR.Free (Name);
Attach (This, pTLib);
end Open;
------------
-- Attach --
------------
procedure Attach
(This : in out ITypeLib_Type;
Pointer : GNATCOM.Types.Pointer_To_ITypeLib)
is
begin
Attach (This,
GNATCOM.Interface.To_Pointer_To_IUnknown (Pointer.all'Address));
end Attach;
--------------
-- FindName --
--------------
procedure FindName
(This : ITypeLib_Type;
szNameBuf : GNATCOM.Types.BSTR;
lHashVal : Interfaces.C.unsigned_long;
ppTInfo : GNATCOM.Types.Pointer_To_Pointer_To_ITypeInfo;
rgMemId : GNATCOM.Types.Pointer_To_long;
pcFound : GNATCOM.Types.Pointer_To_int;
Clear : Boolean := True)
is
begin
Error_Check
(Pointer (This).Vtbl.FindName (Pointer (This),
szNameBuf,
lHashVal,
ppTInfo,
rgMemId,
pcFound));
if Clear then
GNATCOM.BSTR.Free (szNameBuf);
end if;
end FindName;
----------------------
-- GetDocumentation --
----------------------
procedure GetDocumentation
(This : ITypeLib_Type;
index : Interfaces.C.int;
pBstrName : GNATCOM.Types.Pointer_To_BSTR;
pBstrDocString : GNATCOM.Types.Pointer_To_BSTR;
pdwHelpContext : GNATCOM.Types.Pointer_To_unsigned_long;
pBstrHelpFile : GNATCOM.Types.Pointer_To_BSTR)
is
begin
Error_Check
(Pointer (This).Vtbl.GetDocumentation (Pointer (This),
index,
pBstrName,
pBstrDocString,
pdwHelpContext,
pBstrHelpFile));
end GetDocumentation;
----------------
-- GetLibAttr --
----------------
function GetLibAttr
(This : ITypeLib_Type)
return GNATCOM.Types.Pointer_To_TLIBATTR
is
pTLibAttr : aliased GNATCOM.Types.Pointer_To_TLIBATTR;
begin
Error_Check
(Pointer (This).Vtbl.GetLibAttr (Pointer (This),
pTLibAttr'Unchecked_Access));
return pTLibAttr;
end GetLibAttr;
-----------------
-- GetTypeComp --
-----------------
function GetTypeComp
(This : ITypeLib_Type)
return GNATCOM.Types.Pointer_To_ITypeComp
is
pTComp : aliased GNATCOM.Types.Pointer_To_ITypeComp;
begin
Error_Check
(Pointer (This).Vtbl.GetTypeComp (Pointer (This),
pTComp'Unchecked_Access));
return pTComp;
end GetTypeComp;
-----------------
-- GetTypeInfo --
-----------------
function GetTypeInfo
(This : ITypeLib_Type;
index : Interfaces.C.int)
return GNATCOM.Types.Pointer_To_ITypeInfo
is
pTInfo : aliased GNATCOM.Types.Pointer_To_ITypeInfo;
begin
Error_Check
(Pointer (This).Vtbl.GetTypeInfo (Pointer (This),
index,
pTInfo'Unchecked_Access));
return pTInfo;
end GetTypeInfo;
----------------------
-- GetTypeInfoCount --
----------------------
function GetTypeInfoCount
(This : ITypeLib_Type)
return Interfaces.C.unsigned
is
begin
return Interfaces.C.unsigned
(Pointer (This).Vtbl.GetTypeInfoCount (Pointer (This)));
end GetTypeInfoCount;
-----------------------
-- GetTypeInfoOfGuid --
-----------------------
function GetTypeInfoOfGuid
(This : ITypeLib_Type;
guid : GNATCOM.Types.Pointer_To_GUID)
return GNATCOM.Types.Pointer_To_ITypeInfo
is
pTInfo : aliased GNATCOM.Types.Pointer_To_ITypeInfo;
begin
Error_Check
(Pointer (This).Vtbl.GetTypeInfoOfGuid (Pointer (This),
guid,
pTInfo'Unchecked_Access));
return pTInfo;
end GetTypeInfoOfGuid;
---------------------
-- GetTypeInfoType --
---------------------
function GetTypeInfoType
(This : ITypeLib_Type;
index : Interfaces.C.int)
return GNATCOM.Types.TYPEKIND
is
TKind : aliased GNATCOM.Types.TYPEKIND;
begin
Error_Check
(Pointer (This).Vtbl.GetTypeInfoType (Pointer (This),
index,
TKind'Unchecked_Access));
return TKind;
end GetTypeInfoType;
----------------
-- Initialize --
----------------
procedure Initialize (This : in out ITypeLib_Type) is
begin
Set_IID (This, GNATCOM.Types.IID_ITypeLib);
end Initialize;
------------
-- IsName --
------------
function IsName
(This : ITypeLib_Type;
szNameBuf : GNATCOM.Types.BSTR;
lHashVal : Interfaces.C.unsigned_long;
Clear : Boolean := True)
return GNATCOM.Types.bool
is
fName : aliased GNATCOM.Types.bool;
begin
Error_Check
(Pointer (This).Vtbl.IsName (Pointer (This),
szNameBuf,
lHashVal,
fName'Unchecked_Access));
if Clear then
GNATCOM.BSTR.Free (szNameBuf);
end if;
return fName;
end IsName;
-------------
-- Pointer --
-------------
function Pointer
(This : ITypeLib_Type)
return GNATCOM.Types.Pointer_To_ITypeLib
is
begin
return To_Pointer_To_ITypeLib (Address (This));
end Pointer;
---------------------
-- ReleaseTLibAttr --
---------------------
procedure ReleaseTLibAttr
(This : ITypeLib_Type;
pTLibAttr : GNATCOM.Types.Pointer_To_TLIBATTR)
is
begin
Error_Check
(Pointer (This).Vtbl.ReleaseTLibAttr (Pointer (This),
pTLibAttr));
end ReleaseTLibAttr;
end GNATCOM.ITypeLib_Interface;