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95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/*
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kmime_header_factory.h
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KMime, the KDE Internet mail/usenet news message library.
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Copyright (c) 2009 Constantin Berzan <exit3219@gmail.com>
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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/**
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@file
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This file is part of the API for handling @ref MIME data and
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defines the HeaderFactory class.
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@brief
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Defines the HeaderFactory class.
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@authors Constantin Berzan \<exit3219@gmail.com\>
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*/
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#ifndef __KMIME_HEADERFACTORY_H__
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#define __KMIME_HEADERFACTORY_H__
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#include "kmime_export.h"
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#include <QtCore/QByteArray>
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namespace KMime {
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namespace Headers {
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class Base;
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}
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class HeaderMakerBase
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{
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public:
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virtual ~HeaderMakerBase() {}
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virtual Headers::Base *create() const = 0;
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};
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template <typename T>
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class HeaderMaker : public HeaderMakerBase
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{
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public:
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virtual Headers::Base *create() const
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{
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return new T;
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}
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};
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class HeaderFactoryPrivate;
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/**
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docu TODO
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*/
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class HeaderFactory
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{
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public:
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static HeaderFactory* self();
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template<typename T> inline bool registerHeader()
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{
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T dummy;
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return registerHeaderMaker( QByteArray( dummy.type() ), new HeaderMaker<T>() );
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}
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Headers::Base *createHeader( const QByteArray &type );
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private:
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explicit HeaderFactory( HeaderFactoryPrivate *dd );
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HeaderFactory( const HeaderFactory &other ); // undefined
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HeaderFactory& operator=( const HeaderFactory &other ); // undefined
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~HeaderFactory();
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bool registerHeaderMaker( const QByteArray &type, HeaderMakerBase *maker );
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friend class HeaderFactoryPrivate;
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HeaderFactoryPrivate *const d;
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};
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} // namespace KMime
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#endif /* __KMIME_HEADERFACTORY_H__ */
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