/usr/include/vmime/headerFieldFactory.hpp is in libvmime-dev 0.9.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// VMime library (http://www.vmime.org)
// Copyright (C) 2002-2009 Vincent Richard <vincent@vincent-richard.net>
//
// This program is free software; you can redistribute it and/or
// modify it under the terms of the GNU General Public License as
// published by the Free Software Foundation; either version 3 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Linking this library statically or dynamically with other modules is making
// a combined work based on this library. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
#ifndef VMIME_HEADERFIELDFACTORY_HPP_INCLUDED
#define VMIME_HEADERFIELDFACTORY_HPP_INCLUDED
#include "vmime/headerField.hpp"
#include "vmime/utility/stringUtils.hpp"
namespace vmime
{
/** Creates header field and header field value objects.
*/
class headerFieldFactory
{
protected:
headerFieldFactory();
~headerFieldFactory();
typedef ref <headerField> (*AllocFunc)(void);
typedef std::map <string, AllocFunc> NameMap;
NameMap m_nameMap;
typedef ref <headerFieldValue> (*ValueAllocFunc)(void);
typedef std::map <string, ValueAllocFunc> ValueMap;
ValueMap m_valueMap;
public:
static headerFieldFactory* getInstance();
#ifndef VMIME_BUILDING_DOC
// TYPE must inherit from BASE_TYPE
template <class BASE_TYPE, class TYPE>
class registerer
{
public:
static ref <BASE_TYPE> creator()
{
// Allocate a new object
return vmime::create <TYPE>();
}
};
#endif // VMIME_BUILDING_DOC
/** Register a field type.
*
* @param T field class (must inherit from 'headerField')
* @param name field name (eg. "X-MyField")
*/
template <class T>
void registerField(const string& name)
{
m_nameMap.insert(NameMap::value_type
(utility::stringUtils::toLower(name),
®isterer <headerField, T>::creator));
}
/** Register a field value type.
*
* @param T value class (must inherit from 'headerFieldValue')
* @param name field name
*/
template <class T>
void registerFieldValue(const string& name)
{
m_valueMap.insert(ValueMap::value_type
(utility::stringUtils::toLower(name),
®isterer <headerFieldValue, T>::creator));
}
/** Create a new field object for the specified field name.
* If the field name has not been registered, a default type
* is used.
*
* @param name field name
* @param body string that will be parsed to initialize
* the value of the field
* @return a new field object
*/
ref <headerField> create(const string& name, const string& body = NULL_STRING);
/** Create a new field value for the specified field.
*
* @param fieldName name of the field for which to create value
* @return a new value object for the field
*/
ref <headerFieldValue> createValue(const string& fieldName);
};
} // vmime
#endif // VMIME_HEADERFIELDFACTORY_HPP_INCLUDED
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