зеркало из https://github.com/mozilla/gecko-dev.git
80 строки
2.3 KiB
C++
80 строки
2.3 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 nsIAtom_h___
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#define nsIAtom_h___
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#include "nscore.h"
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#include "nsISupports.h"
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class nsString;
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class nsISizeOfHandler;
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#define NS_IATOM_IID \
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{ 0x3d1b15b0, 0x93b4, 0x11d1, \
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{0x89, 0x5b, 0x00, 0x60, 0x08, 0x91, 0x1b, 0x81} }
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/**
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* A globally unique identfier. nsIAtom's can be compared for
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* equality by using operator '=='. These objects are reference
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* counted like other nsISupports objects. When you are done with
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* the atom, NS_RELEASE it.
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*/
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class nsIAtom : public nsISupports {
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public:
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static const nsIID& IID() { static nsIID iid = NS_IATOM_IID; return iid; }
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/**
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* Translate the unicode string into the stringbuf.
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*/
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virtual void ToString(nsString& aString) const = 0;
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/**
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* Return a pointer to a zero terminated unicode string.
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*/
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virtual const PRUnichar* GetUnicode() const = 0;
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/**
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* Add the size, in bytes, of the atom to the handler.
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*/
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NS_IMETHOD SizeOf(nsISizeOfHandler* aHandler) const = 0;
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};
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/**
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* Find an atom that matches the given iso-latin1 C string. The
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* C string is translated into it's unicode equivalent.
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*/
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extern NS_BASE nsIAtom* NS_NewAtom(const char* isolatin1);
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/**
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* Find an atom that matches the given unicode string. The string is assumed
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* to be zero terminated.
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*/
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extern NS_BASE nsIAtom* NS_NewAtom(const PRUnichar* unicode);
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/**
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* Find an atom that matches the given string.
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*/
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extern NS_BASE nsIAtom* NS_NewAtom(const nsString& aString);
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/**
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* Return a count of the total number of atoms currently
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* alive in the system.
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*/
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extern NS_BASE nsrefcnt NS_GetNumberOfAtoms(void);
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#endif /* nsIAtom_h___ */
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