86 lines
2.1 KiB
C++
86 lines
2.1 KiB
C++
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//
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// VMime library (http://vmime.sourceforge.net)
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// Copyright (C) 2002-2004 Vincent Richard <vincent@vincent-richard.net>
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//
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// This program is free software; you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as
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// published by the Free Software Foundation; either version 2 of
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// the License, or (at your option) any later version.
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//
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// This program 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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// General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program; if not, write to the Free Software
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// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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//
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#ifndef VMIME_HEADERFIELDFACTORY_HPP_INCLUDED
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#define VMIME_HEADERFIELDFACTORY_HPP_INCLUDED
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#include "headerField.hpp"
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#include "utility/singleton.hpp"
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namespace vmime
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{
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class headerFieldFactory : public utility::singleton <headerFieldFactory>
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{
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friend class utility::singleton <headerFieldFactory>;
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protected:
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headerFieldFactory();
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~headerFieldFactory();
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typedef headerField* (*AllocFunc)(void);
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typedef std::map <string, AllocFunc> NameMap;
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typedef std::map <headerField::Types, AllocFunc> TypeMap;
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NameMap m_nameMap;
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TypeMap m_typeMap;
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public:
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template <class TYPE>
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class registerer
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{
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public:
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static headerField* creator()
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{
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// Allocate a new object
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return new TYPE();
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}
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};
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template <class T>
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void registerName(const string& name)
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{
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m_nameMap.insert(NameMap::value_type(toLower(name), ®isterer<T>::creator));
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}
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headerField* create(const string& name, const string& body = NULL_STRING);
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headerField* create(const headerField::Types type, const string& name = NULL_STRING, const string& body = NULL_STRING);
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protected:
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template <class T>
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void registerType(const headerField::Types type)
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{
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m_typeMap.insert(TypeMap::value_type(type, ®isterer<T>::creator));
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}
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};
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} // vmime
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#endif // VMIME_HEADERFIELDFACTORY_HPP_INCLUDED
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