mirror of
https://github.com/rn10950/RetroZilla.git
synced 2024-11-15 04:00:12 +01:00
223 lines
8.8 KiB
C++
223 lines
8.8 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1999
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
/* Public declarations for xptcall. */
|
|
|
|
#ifndef xptcall_h___
|
|
#define xptcall_h___
|
|
|
|
#include "prtypes.h"
|
|
#include "nscore.h"
|
|
#include "nsISupports.h"
|
|
#include "xpt_struct.h"
|
|
#include "xptinfo.h"
|
|
#include "nsIInterfaceInfo.h"
|
|
|
|
/***************************************************************************/
|
|
/*
|
|
* The linkage of XPTC API functions differs depending on whether the file is
|
|
* used within the XPTC library or not. Any source file within the XPTC
|
|
* library should define EXPORT_XPTC_API whereas any client of the library
|
|
* should not.
|
|
*/
|
|
#ifdef EXPORT_XPTC_API
|
|
# define XPTC_PUBLIC_API(t) PR_IMPLEMENT(t)
|
|
# define XPTC_PUBLIC_DATA(t) PR_IMPLEMENT_DATA(t)
|
|
# define XPTC_EXPORT NS_EXPORT
|
|
#else
|
|
# define XPTC_PUBLIC_API(t) NS_IMPORT t
|
|
# define XPTC_PUBLIC_DATA(t) NS_IMPORT t
|
|
# define XPTC_EXPORT NS_IMPORT
|
|
#endif
|
|
#define XPTC_FRIEND_API(t) XPTC_PUBLIC_API(t)
|
|
#define XPTC_FRIEND_DATA(t) XPTC_PUBLIC_DATA(t)
|
|
/***************************************************************************/
|
|
|
|
struct nsXPTCMiniVariant
|
|
{
|
|
// No ctors or dtors so that we can use arrays of these on the stack
|
|
// with no penalty.
|
|
union
|
|
{
|
|
PRInt8 i8;
|
|
PRInt16 i16;
|
|
PRInt32 i32;
|
|
PRInt64 i64;
|
|
PRUint8 u8;
|
|
PRUint16 u16;
|
|
PRUint32 u32;
|
|
PRUint64 u64;
|
|
float f;
|
|
double d;
|
|
PRBool b;
|
|
char c;
|
|
PRUnichar wc;
|
|
void* p;
|
|
} val;
|
|
};
|
|
|
|
struct nsXPTCVariant : public nsXPTCMiniVariant
|
|
{
|
|
// No ctors or dtors so that we can use arrays of these on the stack
|
|
// with no penalty.
|
|
|
|
// inherits 'val' here
|
|
void* ptr;
|
|
nsXPTType type;
|
|
PRUint8 flags;
|
|
|
|
enum
|
|
{
|
|
// these are bitflags!
|
|
PTR_IS_DATA = 0x1, // ptr points to 'real' data in val
|
|
VAL_IS_ALLOCD = 0x2, // val.p holds alloc'd ptr that must be freed
|
|
VAL_IS_IFACE = 0x4, // val.p holds interface ptr that must be released
|
|
VAL_IS_ARRAY = 0x8, // val.p holds a pointer to an array needing cleanup
|
|
VAL_IS_DOMSTR = 0x10, // val.p holds a pointer to domstring needing cleanup
|
|
VAL_IS_UTF8STR = 0x20, // val.p holds a pointer to utf8string needing cleanup
|
|
VAL_IS_CSTR = 0x40 // val.p holds a pointer to cstring needing cleanup
|
|
};
|
|
|
|
void ClearFlags() {flags = 0;}
|
|
void SetPtrIsData() {flags |= PTR_IS_DATA;}
|
|
void SetValIsAllocated() {flags |= VAL_IS_ALLOCD;}
|
|
void SetValIsInterface() {flags |= VAL_IS_IFACE;}
|
|
void SetValIsArray() {flags |= VAL_IS_ARRAY;}
|
|
void SetValIsDOMString() {flags |= VAL_IS_DOMSTR;}
|
|
void SetValIsUTF8String() {flags |= VAL_IS_UTF8STR;}
|
|
void SetValIsCString() {flags |= VAL_IS_CSTR;}
|
|
|
|
PRBool IsPtrData() const {return 0 != (flags & PTR_IS_DATA);}
|
|
PRBool IsValAllocated() const {return 0 != (flags & VAL_IS_ALLOCD);}
|
|
PRBool IsValInterface() const {return 0 != (flags & VAL_IS_IFACE);}
|
|
PRBool IsValArray() const {return 0 != (flags & VAL_IS_ARRAY);}
|
|
PRBool IsValDOMString() const {return 0 != (flags & VAL_IS_DOMSTR);}
|
|
PRBool IsValUTF8String() const {return 0 != (flags & VAL_IS_UTF8STR);}
|
|
PRBool IsValCString() const {return 0 != (flags & VAL_IS_CSTR);}
|
|
|
|
void Init(const nsXPTCMiniVariant& mv, const nsXPTType& t, PRUint8 f)
|
|
{
|
|
type = t;
|
|
flags = f;
|
|
|
|
if(f & PTR_IS_DATA)
|
|
{
|
|
ptr = mv.val.p;
|
|
val.p = nsnull;
|
|
}
|
|
else
|
|
{
|
|
ptr = nsnull;
|
|
switch(t.TagPart()) {
|
|
case nsXPTType::T_I8: val.i8 = mv.val.i8; break;
|
|
case nsXPTType::T_I16: val.i16 = mv.val.i16; break;
|
|
case nsXPTType::T_I32: val.i32 = mv.val.i32; break;
|
|
case nsXPTType::T_I64: val.i64 = mv.val.i64; break;
|
|
case nsXPTType::T_U8: val.u8 = mv.val.u8; break;
|
|
case nsXPTType::T_U16: val.u16 = mv.val.u16; break;
|
|
case nsXPTType::T_U32: val.u32 = mv.val.u32; break;
|
|
case nsXPTType::T_U64: val.u64 = mv.val.u64; break;
|
|
case nsXPTType::T_FLOAT: val.f = mv.val.f; break;
|
|
case nsXPTType::T_DOUBLE: val.d = mv.val.d; break;
|
|
case nsXPTType::T_BOOL: val.b = mv.val.b; break;
|
|
case nsXPTType::T_CHAR: val.c = mv.val.c; break;
|
|
case nsXPTType::T_WCHAR: val.wc = mv.val.wc; break;
|
|
case nsXPTType::T_VOID: /* fall through */
|
|
case nsXPTType::T_IID: /* fall through */
|
|
case nsXPTType::T_DOMSTRING: /* fall through */
|
|
case nsXPTType::T_CHAR_STR: /* fall through */
|
|
case nsXPTType::T_WCHAR_STR: /* fall through */
|
|
case nsXPTType::T_INTERFACE: /* fall through */
|
|
case nsXPTType::T_INTERFACE_IS: /* fall through */
|
|
case nsXPTType::T_ARRAY: /* fall through */
|
|
case nsXPTType::T_PSTRING_SIZE_IS: /* fall through */
|
|
case nsXPTType::T_PWSTRING_SIZE_IS: /* fall through */
|
|
case nsXPTType::T_UTF8STRING: /* fall through */
|
|
case nsXPTType::T_CSTRING: /* fall through */
|
|
default: val.p = mv.val.p; break;
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
/***************************************************************************/
|
|
|
|
#undef IMETHOD_VISIBILITY
|
|
#define IMETHOD_VISIBILITY NS_VISIBILITY_DEFAULT
|
|
|
|
class XPTC_EXPORT nsXPTCStubBase : public nsISupports
|
|
{
|
|
public:
|
|
// We are going to implement this to force the compiler to generate a
|
|
// vtbl for this class. Since this is overridden in the inheriting class
|
|
// we expect it to never be called.
|
|
// *This is needed by the Irix implementation.*
|
|
NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
|
|
|
|
// Include generated vtbl stub declarations.
|
|
// These are virtual and *also* implemented by this class..
|
|
#include "xptcstubsdecl.inc"
|
|
|
|
// The following methods must be provided by inheritor of this class.
|
|
|
|
// return a refcounted pointer to the InterfaceInfo for this object
|
|
// NOTE: on some platforms this MUST not fail or we crash!
|
|
NS_IMETHOD GetInterfaceInfo(nsIInterfaceInfo** info) = 0;
|
|
|
|
// call this method and return result
|
|
NS_IMETHOD CallMethod(PRUint16 methodIndex,
|
|
const nsXPTMethodInfo* info,
|
|
nsXPTCMiniVariant* params) = 0;
|
|
};
|
|
|
|
#undef IMETHOD_VISIBILITY
|
|
#define IMETHOD_VISIBILITY NS_VISIBILITY_HIDDEN
|
|
|
|
PR_BEGIN_EXTERN_C
|
|
|
|
XPTC_PUBLIC_API(nsresult)
|
|
XPTC_InvokeByIndex(nsISupports* that, PRUint32 methodIndex,
|
|
PRUint32 paramCount, nsXPTCVariant* params);
|
|
|
|
// Used to force linking of these obj for the static library into the dll
|
|
extern void xptc_dummy();
|
|
extern void xptc_dummy2();
|
|
|
|
PR_END_EXTERN_C
|
|
|
|
#endif /* xptcall_h___ */
|