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116 lines
2.9 KiB
C++
116 lines
2.9 KiB
C++
/*
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kmime_header_factory.cpp
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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 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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#include "kmime_headerfactory_p.h"
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#include "kmime_headers.h"
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#include <QHash>
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#include <KDebug>
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#include <KGlobal>
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using namespace KMime;
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/**
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* @internal
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* Private class that helps to provide binary compatibility between releases.
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*/
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class KMime::HeaderFactoryPrivate
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{
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public:
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HeaderFactoryPrivate();
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~HeaderFactoryPrivate();
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HeaderFactory *const instance;
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QHash<QByteArray, HeaderMakerBase*> headerMakers; // Type->obj mapping; with lower-case type.
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};
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K_GLOBAL_STATIC( HeaderFactoryPrivate, sInstance )
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HeaderFactoryPrivate::HeaderFactoryPrivate()
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: instance( new HeaderFactory( this ) )
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{
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}
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HeaderFactoryPrivate::~HeaderFactoryPrivate()
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{
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qDeleteAll( headerMakers );
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delete instance;
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}
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HeaderFactory* HeaderFactory::self()
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{
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return sInstance->instance;
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}
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Headers::Base *HeaderFactory::createHeader( const QByteArray &type )
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{
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Q_ASSERT( !type.isEmpty() );
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const HeaderMakerBase *maker = d->headerMakers.value( type.toLower() );
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if ( maker ) {
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return maker->create();
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} else {
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//kError() << "Unknown header type" << type;
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//return new Headers::Generic;
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return 0;
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}
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}
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HeaderFactory::HeaderFactory( HeaderFactoryPrivate *dd )
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: d( dd )
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{
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}
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HeaderFactory::~HeaderFactory()
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{
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}
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bool HeaderFactory::registerHeaderMaker( const QByteArray &type, HeaderMakerBase *maker )
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{
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if ( type.isEmpty() ) {
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// This is probably a generic (but not abstract) header,
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// like Address or MailboxList. We cannot register those.
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kWarning() << "Tried to register header with empty type.";
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return false;
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}
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const QByteArray ltype = type.toLower();
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if ( d->headerMakers.contains( ltype ) ) {
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kWarning() << "Header of type" << type << "already registered.";
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// TODO should we make this an error?
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return false;
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}
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d->headerMakers.insert( ltype, maker );
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return true;
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}
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