monero/contrib/epee/include/storages/gzipped_inmemstorage.h

// Copyright (c) 2006-2013, Andrey N. Sabelnikov, www.sabelnikov.net
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
// * Neither the name of the Andrey N. Sabelnikov nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
// 
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER  BE LIABLE FOR ANY
// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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// 


#ifndef _GZIPPED_INMEMSTORAGE_H_
#define _GZIPPED_INMEMSTORAGE_H_

#include "zlib_helper.h"
namespace epee
{
namespace StorageNamed
{

	template<class t_base_storage>
	class gziped_storage: public t_base_storage
	{
	public: 
		size_t	PackToSolidBuffer(std::string& targetObj)
		{
			size_t res = t_base_storage::PackToSolidBuffer(targetObj);
			if(res <= 0)
				return res;

			if(!zlib_helper::pack(targetObj))
				return 0;
		
			return targetObj.size();
		}

		size_t		LoadFromSolidBuffer(const std::string& pTargetObj)
		{
			std::string buff_to_ungzip = pTargetObj;
			if(zlib_helper::unpack(buff_to_ungzip))
				return t_base_storage::LoadFromSolidBuffer(buff_to_ungzip);

			return 0;
		}

	private:
	};

}
}

#endif