mirror of
https://github.com/rn10950/RetroZilla.git
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152 lines
4.1 KiB
C
152 lines
4.1 KiB
C
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* 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
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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 nscore_h___
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#include "nscore.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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* @status FROZEN
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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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// One would think that this could be done faster with a really
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// efficient implementation of memcmp(), but evidently no
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// memcmp()'s out there are better than this code.
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//
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// See bug http://bugzilla.mozilla.org/show_bug.cgi?id=164580 for
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// details.
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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_GLUE 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_GLUE char* ToString() const;
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//@}
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};
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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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/**
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* An "interface id" which can be used to uniquely identify a given
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* interface.
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*/
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typedef nsID nsIID;
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/**
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* A macro shorthand for <tt>const nsIID&<tt>
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*/
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#define REFNSIID const nsIID&
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/**
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* Define an IID
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* obsolete - do not use this macro
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*/
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#define NS_DEFINE_IID(_name, _iidspec) \
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const nsIID _name = _iidspec
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/**
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* A macro to build the static const IID accessor method
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*/
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#define NS_DEFINE_STATIC_IID_ACCESSOR(the_iid) \
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static const nsIID& GetIID() {static const nsIID iid = the_iid; return iid;}
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/**
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* A macro to build the static const CID accessor method
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*/
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#define NS_DEFINE_STATIC_CID_ACCESSOR(the_cid) \
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static const nsID& GetCID() {static const nsID cid = the_cid; return cid;}
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#endif
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