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//
// VMime library (http://vmime.sourceforge.net)
// Copyright (C) 2002-2004 Vincent Richard <[email protected]>
//
// 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 2 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., 675 Mass Ave, Cambridge, MA 02139, USA.
//
#ifndef VMIME_HEADERFIELD_HPP_INCLUDED
#define VMIME_HEADERFIELD_HPP_INCLUDED
#include "base.hpp"
#include "component.hpp"
namespace vmime
{
/** Base class for header fields.
*/
class headerField : public component
{
friend class headerFieldFactory;
protected:
headerField();
headerField(const string& fieldName);
public:
~headerField();
headerField* clone() const;
void copyFrom(const component& other);
headerField& operator=(const headerField& other);
const std::vector <const component*> getChildComponents() const;
/** Return the name of this field.
*
* @return field name
*/
const string getName() const;
/** Check whether this field is a custom (non-standard) field.
* Custom fields have a name beginning with "X-".
*
* @return true if the field is a custom field, false otherwise
*/
const bool isCustom() const;
/** Return the read-only value object attached to this field.
*
* @return read-only value object
*/
virtual const component& getValue() const = 0;
/** Return the value object attached to this field.
*
* @return value object
*/
virtual component& getValue() = 0;
/** Set the value of this field.
*
* @throw std::bad_cast_exception if the value type is
* incompatible with the header field type
* @param value value object
*/
virtual void setValue(const component& value) = 0;
using component::parse;
using component::generate;
void parse(const string& buffer, const string::size_type position, const string::size_type end, string::size_type* newPosition = NULL);
void generate(utility::outputStream& os, const string::size_type maxLineLength = lineLengthLimits::infinite, const string::size_type curLinePos = 0, string::size_type* newLinePos = NULL) const;
private:
string m_name;
};
} // vmime
#endif // VMIME_HEADERFIELD_HPP_INCLUDED
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