/*
**  ClanLib SDK
**  Copyright (c) 1997-2015 The ClanLib Team
**
**  This software is provided 'as-is', without any express or implied
**  warranty.  In no event will the authors be held liable for any damages
**  arising from the use of this software.
**
**  Permission is granted to anyone to use this software for any purpose,
**  including commercial applications, and to alter it and redistribute it
**  freely, subject to the following restrictions:
**
**  1. The origin of this software must not be misrepresented; you must not
**     claim that you wrote the original software. If you use this software
**     in a product, an acknowledgment in the product documentation would be
**     appreciated but is not required.
**  2. Altered source versions must be plainly marked as such, and must not be
**     misrepresented as being the original software.
**  3. This notice may not be removed or altered from any source distribution.
**
**  Note: Some of the libraries ClanLib may link to may have additional
**  requirements or restrictions.
**
**  File Author(s):
**
**    Magnus Norddahl
*/


#pragma once

#include <memory>

namespace clan
{
/// \addtogroup clanCore_Math clanCore Math
/// \{

class DataBuffer;
class Base64Decoder_Impl;

/// \brief Base64 decoder class.
class Base64Decoder
{
/// \name Construction
/// \{
public:
	/// \brief Constructs a base64 decoder.
	Base64Decoder();

/// \}
/// \name Attributes
/// \{
public:
	/// \brief Returns the decoded data.
	DataBuffer &get_result();

/// \}
/// \name Operations
/// \{
public:
	/// \brief Resets the decoder.
	void reset();

	/// \brief Feeds the decoder with base64 encoded data.
	void feed(const void *data, int size, bool append_result = true);

	/// \brief Decode base64 data and return it in a buffer.
	static DataBuffer decode(const void *data, int size);

	/// \brief Decode
	///
	/// \param data = String Ref8
	///
	/// \return Data Buffer
	static DataBuffer decode(const std::string &data);

	/// \brief Decode
	///
	/// \param data = Data Buffer
	///
	/// \return Data Buffer
	static DataBuffer decode(const DataBuffer &data);

/// \}
/// \name Implementation
/// \{
private:
	std::shared_ptr<Base64Decoder_Impl> impl;
/// \}
};

}

/// \}
