/
keyvalue_helpers.h
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/
keyvalue_helpers.h
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// 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
// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
#pragma once
#include "misc_language.h"
namespace epee
{
template<class t_obj>
struct enableable
{
t_obj v;
bool enabled;
enableable()
: v(t_obj()), enabled(true)
{ // construct from defaults
}
enableable(const t_obj& _v)
: v(_v), enabled(true)
{ // construct from specified values
}
enableable(const enableable<t_obj>& _v)
: v(_v.v), enabled(_v.enabled)
{ // construct from specified values
}
};
//basic helpers for pod-to-hex serialization
template<class t_pod_type>
std::string transform_t_pod_to_str(const t_pod_type & a)
{
return epee::string_tools::pod_to_hex(a);
}
template<class t_pod_type>
t_pod_type transform_str_to_t_pod(const std::string& a)
{
t_pod_type res = AUTO_VAL_INIT(res);
if (a.empty())
return res;
if (!epee::string_tools::hex_to_pod(a, res))
throw std::runtime_error(std::string("Unable to transform \"") + a + "\" to pod type " + typeid(t_pod_type).name());
return res;
}
//basic helpers for blob-to-hex serialization
inline std::string transform_binbuf_to_hexstr(const std::string& a)
{
return epee::string_tools::buff_to_hex_nodelimer(a);
}
inline std::string transform_hexstr_to_binbuff(const std::string& a)
{
std::string res;
if (!epee::string_tools::parse_hexstr_to_binbuff(a, res))
{
CHECK_AND_ASSERT_THROW_MES(false, "Failed to parse hex string:" << a);
}
return res;
}
// helper for blob-to-base64 serialization
inline std::string transfrom_binbuf_to_base64(const std::string& a)
{
return epee::string_encoding::base64_encode(a);
}
inline std::string transform_base64_to_binbuf(const std::string& a)
{
return epee::string_encoding::base64_decode(a);
}
//-------------------------------------------------------------------------------------------------------------------
#pragma pack(push, 1)
template<class first_t, class second_t>
struct pod_pair
{
first_t first;
second_t second;
};
#pragma pack(pop)
}