зеркало из https://github.com/mozilla/gecko-dev.git
112 строки
2.6 KiB
C
112 строки
2.6 KiB
C
/* -*- Mode: C++; tab-width: 4; 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
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsID_h__
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#define nsID_h__
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#include <string.h>
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#ifndef prtypes_h___
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#include "prtypes.h"
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#endif
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#ifndef nsCom_h__
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#include "nsCom.h"
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#endif
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/**
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* A "unique identifier". This is modeled after OSF DCE UUIDs.
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*/
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struct nsID {
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/**
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* @name Indentifier values
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*/
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//@{
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PRUint32 m0;
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PRUint16 m1;
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PRUint16 m2;
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PRUint8 m3[8];
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//@}
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/**
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* @name Methods
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*/
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//@{
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/**
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* Equivalency method. Compares this nsID with another.
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* @return <b>PR_TRUE</b> if they are the same, <b>PR_FALSE</b> if not.
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*/
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inline PRBool Equals(const nsID& other) const {
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return (PRBool)
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((((PRUint32*) &m0)[0] == ((PRUint32*) &other.m0)[0]) &&
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(((PRUint32*) &m0)[1] == ((PRUint32*) &other.m0)[1]) &&
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(((PRUint32*) &m0)[2] == ((PRUint32*) &other.m0)[2]) &&
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(((PRUint32*) &m0)[3] == ((PRUint32*) &other.m0)[3]));
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}
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/**
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* nsID Parsing method. Turns a {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}
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* string into an nsID
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*/
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NS_COM PRBool Parse(const char *aIDStr);
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/**
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* nsID string encoder. Returns an allocated string in
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* {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx} format. Caller should free string.
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*/
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NS_COM char* ToString() const;
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//@}
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};
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/**
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* Declare an ID. If NS_IMPL_IDS is set, a variable <i>_name</i> is declared
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* with the given values, otherwise <i>_name</i> is declared as an
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* <tt>extern</tt> variable.
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*/
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#ifdef NS_IMPL_IDS
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#define NS_DECLARE_ID(_name,m0,m1,m2,m30,m31,m32,m33,m34,m35,m36,m37) \
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extern "C" const nsID _name = {m0,m1,m2,{m30,m31,m32,m33,m34,m35,m36,m37}}
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#else
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#define NS_DECLARE_ID(_name,m0,m1,m2,m30,m31,m32,m33,m34,m35,m36,m37) \
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extern "C" const nsID _name
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#endif
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/*
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* Class IDs
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*/
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typedef nsID nsCID;
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// Define an CID
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#define NS_DEFINE_CID(_name, _cidspec) \
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const nsCID _name = _cidspec
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#define REFNSCID const nsCID&
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#endif
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