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//
// VMime library (http://vmime.sourceforge.net)
// Copyright (C) 2002-2004 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_PARAMETERIZEDHEADERFIELD_HPP_INCLUDED
#define VMIME_PARAMETERIZEDHEADERFIELD_HPP_INCLUDED
#include "base.hpp"
#include "headerFieldFactory.hpp"
#include "parameter.hpp"
#include "exception.hpp"
#include "parameterFactory.hpp"
namespace vmime
{
class parameterizedHeaderField : public headerField
{
friend class headerFieldFactory::registerer <parameterizedHeaderField>;
protected:
parameterizedHeaderField();
public:
void copyFrom(const headerField& field);
// A sub-class for parameter manipulation
class paramsContainer
{
friend class parameterizedHeaderField;
protected:
~paramsContainer();
public:
// Find the first parameter with the specified name. If no parameter
// is found, an exception is thrown.
parameter& find(const string& name) const;
// Find the first parameter with the specified name
parameter& get(const string& name);
// Parameter iterator
class const_iterator;
class iterator
{
friend class parameterizedHeaderField::paramsContainer::const_iterator;
friend class parameterizedHeaderField::paramsContainer;
public:
typedef std::vector <parameter*>::iterator::difference_type difference_type;
iterator(std::vector <parameter*>::iterator it) : m_iterator(it) { }
iterator(const iterator& it) : m_iterator(it.m_iterator) { }
iterator& operator=(const iterator& it) { m_iterator = it.m_iterator; return (*this); }
parameter& operator*() const { return (**m_iterator); }
parameter* operator->() const { return (*m_iterator); }
iterator& operator++() { ++m_iterator; return (*this); }
iterator operator++(int) { iterator i(*this); ++m_iterator; return (i); }
iterator& operator--() { --m_iterator; return (*this); }
iterator operator--(int) { iterator i(*this); --m_iterator; return (i); }
iterator& operator+=(difference_type n) { m_iterator += n; return (*this); }
iterator& operator-=(difference_type n) { m_iterator -= n; return (*this); }
iterator operator-(difference_type x) const { return iterator(m_iterator - x); }
parameter& operator[](difference_type n) const { return *(m_iterator[n]); }
const bool operator==(const iterator& it) const { return (it.m_iterator == m_iterator); }
const bool operator!=(const iterator& it) const { return (!(*this == it)); }
protected:
std::vector <parameter*>::iterator m_iterator;
};
class const_iterator
{
public:
typedef std::vector <parameter*>::const_iterator::difference_type difference_type;
const_iterator(std::vector <parameter*>::const_iterator it) : m_iterator(it) { }
const_iterator(const iterator& it) : m_iterator(it.m_iterator) { }
const_iterator(const const_iterator& it) : m_iterator(it.m_iterator) { }
const_iterator& operator=(const const_iterator& it) { m_iterator = it.m_iterator; return (*this); }
const_iterator& operator=(const iterator& it) { m_iterator = it.m_iterator; return (*this); }
const parameter& operator*() const { return (**m_iterator); }
const parameter* operator->() const { return (*m_iterator); }
const_iterator& operator++() { ++m_iterator; return (*this); }
const_iterator operator++(int) { const_iterator i(*this); ++m_iterator; return (i); }
const_iterator& operator--() { --m_iterator; return (*this); }
const_iterator operator--(int) { const_iterator i(*this); --m_iterator; return (i); }
const_iterator& operator+=(difference_type n) { m_iterator += n; return (*this); }
const_iterator& operator-=(difference_type n) { m_iterator -= n; return (*this); }
const_iterator operator-(difference_type x) const { return const_iterator(m_iterator - x); }
const parameter& operator[](difference_type n) const { return *(m_iterator[n]); }
const bool operator==(const const_iterator& it) const { return (it.m_iterator == m_iterator); }
const bool operator!=(const const_iterator& it) const { return (!(*this == it)); }
protected:
std::vector <parameter*>::const_iterator m_iterator;
};
public:
iterator begin() { return (m_params.begin()); }
iterator end() { return (m_params.end()); }
const_iterator begin() const { return (const_iterator(m_params.begin())); }
const_iterator end() const { return (const_iterator(m_params.end())); }
// Parameter insertion
void append(const parameter& param);
void insert(const iterator it, const parameter& param);
// Parameter removing
void remove(const iterator it);
void clear();
// Parameter count
const size_t count() const { return (m_params.size()); }
const size_t size() const { return (m_params.size()); }
parameter& front() { return (*m_params.front()); }
const parameter& front() const { return (*m_params.front()); }
parameter& back() { return (*m_params.back()); }
const parameter& back() const { return (*m_params.back()); }
protected:
std::vector <parameter*> m_params;
} parameters;
typedef paramsContainer::iterator iterator;
typedef paramsContainer::const_iterator const_iterator;
protected:
std::vector <parameter*> m_params;
protected:
virtual void parseValue(const string& buffer, const string::size_type position, const string::size_type end) = 0;
virtual const string generateValue() const = 0;
public:
using headerField::parse;
using headerField::generate;
// No need to override these (use "parseValue" and "generateValue" instead).
// For more information, see "defaultParameter.hpp".
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;
};
} // vmime
#endif // VMIME_PARAMETERIZEDHEADERFIELD_HPP_INCLUDED
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