/usr/include/vmime/encoding.hpp is in libvmime-dev 0.9.2-5build2.
This file is owned by root:root, with mode 0o644.
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// VMime library (http://www.vmime.org)
// Copyright (C) 2002-2013 Vincent Richard <vincent@vmime.org>
//
// 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_ENCODING_HPP_INCLUDED
#define VMIME_ENCODING_HPP_INCLUDED
#include "vmime/base.hpp"
#include "vmime/headerFieldValue.hpp"
#include "vmime/utility/encoder/encoder.hpp"
namespace vmime
{
class contentHandler;
/** Content encoding (basic type).
*/
class VMIME_EXPORT encoding : public headerFieldValue
{
public:
enum EncodingUsage
{
USAGE_UNKNOWN,
USAGE_TEXT, /**< Use for body text. */
USAGE_BINARY_DATA /**< Use for attachment, image... */
};
encoding();
explicit encoding(const string& name);
encoding(const string& name, const EncodingUsage usage);
encoding(const encoding& enc);
public:
/** Return the name of the encoding.
* See the constants in vmime::encodingTypes.
*
* @return name of the encoding (eg. "quoted-printable")
*/
const string& getName() const;
/** Set the name of the encoding.
* See the constants in vmime::encodingTypes.
*
* @param name name of the encoding
*/
void setName(const string& name);
/** Return the type of contents this encoding is used for.
* See the EncodingUsage enum.
*/
EncodingUsage getUsage() const;
/** Set the type of contents this encoding is used for.
* See the EncodingUsage enum.
*
* @param usage type of contents
*/
void setUsage(const EncodingUsage usage);
encoding& operator=(const encoding& other);
encoding& operator=(const string& name);
bool operator==(const encoding& value) const;
bool operator!=(const encoding& value) const;
const std::vector <shared_ptr <component> > getChildComponents();
/** Decide which encoding to use based on the specified data.
*
* @param data data used to determine encoding
* @param usage context of use of data
* @return suitable encoding for specified data
*/
static const encoding decide(shared_ptr <const contentHandler> data, const EncodingUsage usage = USAGE_BINARY_DATA);
/** Decide which encoding to use based on the specified data and charset.
*
* @param data data used to determine encoding
* @param chset charset of data
* @param usage context of use of data
* @return suitable encoding for specified data and charset
*/
static const encoding decide(shared_ptr <const contentHandler> data, const charset& chset, const EncodingUsage usage = USAGE_BINARY_DATA);
shared_ptr <component> clone() const;
void copyFrom(const component& other);
/** Use encoderFactory to obtain an encoder/decoder object
* for the current encoding type.
*
* @throw exceptions::no_encoder_available if no encoder
* is registered for the encoding
* @return a new encoder object for the encoding type
*/
shared_ptr <utility::encoder::encoder> getEncoder() const;
private:
string m_name;
EncodingUsage m_usage;
/** Determine whether data encoded using this encoding should
* be re-encoded if needed.
*
* @return true if data should be re-encoded, false otherwise
*/
bool shouldReencode() const;
/** Decide which encoding to use based on the specified data.
*
* Please note: this will read the whole buffer, so it should be used only
* for small amount of data (eg. text), and not large binary attachments.
*
* @param begin start iterator in buffer
* @param end end iterator in buffer
* @return suitable encoding for specified data
*/
static const encoding decideImpl(const string::const_iterator begin, const string::const_iterator end);
protected:
// Component parsing & assembling
void parseImpl
(const parsingContext& ctx,
const string& buffer,
const size_t position,
const size_t end,
size_t* newPosition = NULL);
void generateImpl
(const generationContext& ctx,
utility::outputStream& os,
const size_t curLinePos = 0,
size_t* newLinePos = NULL) const;
};
} // vmime
#endif // VMIME_ENCODING_HPP_INCLUDED
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