vmime/vmime/parameter.hpp
2005-04-12 18:42:54 +00:00

105 lines
2.8 KiB
C++

//
// VMime library (http://www.vmime.org)
// Copyright (C) 2002-2005 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 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_PARAMETER_HPP_INCLUDED
#define VMIME_PARAMETER_HPP_INCLUDED
#include "vmime/base.hpp"
#include "vmime/component.hpp"
namespace vmime
{
class parameter : public component
{
friend class parameterFactory;
friend class parameterizedHeaderField;
public:
#ifndef VMIME_BUILDING_DOC
/** A single section of a multi-section parameter,
* as defined in RFC-2231/3. This is used when
* calling parse() on the parameter.
*/
struct valueChunk
{
bool encoded;
string data;
};
#endif // VMIME_BUILDING_DOC
parameter* clone() const;
void copyFrom(const component& other);
parameter& operator=(const parameter& other);
const std::vector <const component*> getChildComponents() const;
/** Return the name of the parameter.
*
* @return name of the parameter
*/
const string& getName() 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 the parameter.
*
* @throw std::bad_cast_exception if the value type is
* incompatible with the parameter 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;
void generateValue(utility::outputStream& os, const string::size_type maxLineLength, const string::size_type curLinePos, string::size_type* newLinePos) const;
virtual void parse(const std::vector <valueChunk>& chunks);
};
} // vmime
#endif // VMIME_PARAMETER_HPP_INCLUDED