зеркало из https://github.com/mozilla/gecko-dev.git
105 строки
3.0 KiB
C++
105 строки
3.0 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 Mozilla 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/MPL/
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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.
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications. Portions created by Netscape Communications are
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* Copyright (C) 2001 by Netscape Communications. All
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* Rights Reserved.
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*
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* Contributor(s):
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* Scott Collins <scc@mozilla.org> (original author)
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*/
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/* nsSharableString.h --- a string implementation that shares its underlying storage */
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#ifndef nsSharableString_h___
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#define nsSharableString_h___
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#ifndef nsAFlatString_h___
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#include "nsAFlatString.h"
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#endif
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#ifndef nsBufferHandleUtils_h___
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#include "nsBufferHandleUtils.h"
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#endif
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//-------1---------2---------3---------4---------5---------6---------7---------8
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/**
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* Not yet ready for non-|const| access
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*/
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class NS_COM nsSharableString
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: public nsAFlatString
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{
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public:
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typedef nsSharableString self_type;
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typedef PRUnichar char_type;
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typedef nsAString string_type;
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public:
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nsSharableString() { }
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nsSharableString( const self_type& aOther ) : mBuffer(aOther.mBuffer) { }
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explicit nsSharableString( const string_type& aReadable ) { assign(aReadable); }
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explicit nsSharableString( const nsSharedBufferHandle<char_type>* aHandle ) : mBuffer(aHandle) { }
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self_type&
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operator=( const string_type& aReadable )
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{
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assign(aReadable);
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return *this;
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}
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protected:
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void assign( const string_type& );
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virtual const nsSharedBufferHandle<char_type>* GetSharedBufferHandle() const;
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private:
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nsAutoBufferHandle<char_type> mBuffer;
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};
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class NS_COM nsSharableCString
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: public nsAFlatCString
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{
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public:
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typedef nsSharableCString self_type;
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typedef char char_type;
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typedef nsACString string_type;
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public:
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nsSharableCString() { }
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nsSharableCString( const self_type& aOther ) : mBuffer(aOther.mBuffer) { }
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explicit nsSharableCString( const string_type& aReadable ) { assign(aReadable); }
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explicit nsSharableCString( const nsSharedBufferHandle<char_type>* aHandle ) : mBuffer(aHandle) { }
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self_type&
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operator=( const string_type& aReadable )
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{
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assign(aReadable);
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return *this;
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}
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protected:
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void assign( const string_type& );
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virtual const nsSharedBufferHandle<char_type>* GetSharedBufferHandle() const;
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private:
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nsAutoBufferHandle<char_type> mBuffer;
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};
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#endif /* !defined(nsSharableString_h___) */
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