зеркало из https://github.com/mozilla/pjs.git
173 строки
4.2 KiB
C
173 строки
4.2 KiB
C
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#ifndef nscore_h___
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#define nscore_h___
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#ifdef _WIN32
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#define NS_WIN32 1
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#endif
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#if defined(__unix)
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#define NS_UNIX 1
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#endif
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#include "prtypes.h"
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#ifdef __cplusplus
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#include "nsDebug.h"
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#endif
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#ifndef __PRUNICHAR__
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#define __PRUNICHAR__
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typedef PRUint16 PRUnichar;
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#endif
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/* The preferred symbol for null. */
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#define nsnull 0
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/* Define brackets for protecting C code from C++ */
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#ifdef __cplusplus
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#define NS_BEGIN_EXTERN_C extern "C" {
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#define NS_END_EXTERN_C }
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#else
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#define NS_BEGIN_EXTERN_C
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#define NS_END_EXTERN_C
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#endif
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/*----------------------------------------------------------------------*/
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/* Import/export defines */
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#ifdef NS_WIN32
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#define NS_IMPORT _declspec(dllimport)
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#define NS_IMPORT_(type) type _declspec(dllimport) __stdcall
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#define NS_EXPORT _declspec(dllexport)
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/* XXX NS_EXPORT_ defined in nsCOm.h (xpcom) differs in where the __declspec
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is placed. It needs to be done this way to make the 4.x compiler happy... */
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#undef NS_EXPORT_
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#define NS_EXPORT_(type) type _declspec(dllexport) __stdcall
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#elif defined(XP_MAC)
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#define NS_IMPORT
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#define NS_IMPORT_(type) type
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/* XXX NS_EXPORT_ defined in nsCom.h actually does an export. Here it's just sugar. */
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#undef NS_EXPORT
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#undef NS_EXPORT_
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#define NS_EXPORT __declspec(export)
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#define NS_EXPORT_(type) __declspec(export) type
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#elif defined(MOZ_STRIP_NOT_EXPORTED)
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#define NS_IMPORT
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#define NS_IMPORT_(type) type
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#define NS_EXPORT __attribute__ ((dllexport))
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#define NS_EXPORT_(type) __attribute__ ((dllexport)) type
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#else
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/* XXX do something useful? */
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#define NS_IMPORT
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#define NS_IMPORT_(type) type
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#define NS_EXPORT
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#define NS_EXPORT_(type) type
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#endif
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#ifdef _IMPL_NS_BASE
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#define NS_BASE NS_EXPORT
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#else
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#define NS_BASE NS_IMPORT
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#endif
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#ifdef _IMPL_NS_NET
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#define NS_NET NS_EXPORT
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#else
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#define NS_NET NS_IMPORT
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#endif
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#ifdef _IMPL_NS_DOM
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#define NS_DOM NS_EXPORT
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#else
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#define NS_DOM NS_IMPORT
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#endif
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#ifdef _IMPL_NS_WIDGET
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#define NS_WIDGET NS_EXPORT
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#else
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#define NS_WIDGET NS_IMPORT
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#endif
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#ifdef _IMPL_NS_VIEW
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#define NS_VIEW NS_EXPORT
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#else
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#define NS_VIEW NS_IMPORT
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#endif
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#ifdef _IMPL_NS_GFXNONXP
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#define NS_GFXNONXP NS_EXPORT
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#define NS_GFXNONXP_(type) NS_EXPORT_(type)
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#else
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#define NS_GFXNONXP NS_IMPORT
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#define NS_GFXNONXP_(type) NS_IMPORT_(type)
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#endif
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#ifdef _IMPL_NS_GFX
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#define NS_GFX NS_EXPORT
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#define NS_GFX_(type) NS_EXPORT_(type)
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#else
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#define NS_GFX NS_IMPORT
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#define NS_GFX_(type) NS_IMPORT_(type)
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#endif
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#ifdef _IMPL_NS_PLUGIN
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#define NS_PLUGIN NS_EXPORT
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#else
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#define NS_PLUGIN NS_IMPORT
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#endif
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#ifdef _IMPL_NS_APPSHELL
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#define NS_APPSHELL NS_EXPORT
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#else
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#define NS_APPSHELL NS_IMPORT
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#endif
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/* ------------------------------------------------------------------------ */
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/* Casting macros for hiding C++ features from older compilers */
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/* unix and beos now determine this automatically */
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#if ! defined XP_UNIX && ! defined XP_BEOS
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#define HAVE_CPP_NEW_CASTS /* we'll be optimistic. */
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#endif
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#if defined(HAVE_CPP_NEW_CASTS)
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#define NS_STATIC_CAST(__type, __ptr) static_cast<__type>(__ptr)
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#define NS_CONST_CAST(__type, __ptr) const_cast<__type>(__ptr)
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#define NS_REINTERPRET_CAST(__type, __ptr) reinterpret_cast<__type>(__ptr)
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#else
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#define NS_STATIC_CAST(__type, __ptr) ((__type)(__ptr))
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#define NS_CONST_CAST(__type, __ptr) ((__type)(__ptr))
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#define NS_REINTERPRET_CAST(__type, __ptr) ((__type)(__ptr))
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#endif
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/* No sense in making an NS_DYNAMIC_CAST() macro: you can't duplicate
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the semantics. So if you want to dynamic_cast, then just use it
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"straight", no macro. */
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#endif /* nscore_h___ */
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