mirror of
https://github.com/monero-project/monero.git
synced 2024-10-01 11:49:47 -04:00
134 lines
4.4 KiB
C++
134 lines
4.4 KiB
C++
// Copyright (c) 2014-2016, The Monero Project
|
|
//
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification, are
|
|
// permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
// conditions and the following disclaimer.
|
|
//
|
|
// 2. 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.
|
|
//
|
|
// 3. Neither the name of the copyright holder 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 HOLDER OR CONTRIBUTORS 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.
|
|
//
|
|
// Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
|
|
|
|
#include <cstddef>
|
|
#include <ios>
|
|
#include <iostream>
|
|
#include <type_traits>
|
|
#include <vector>
|
|
|
|
inline bool hexdecode(const char *from, std::size_t length, void *to) {
|
|
std::size_t i;
|
|
for (i = 0; i < length; i++) {
|
|
int v = 0;
|
|
if (from[2 * i] >= '0' && from[2 * i] <= '9') {
|
|
v = from[2 * i] - '0';
|
|
} else if (from[2 * i] >= 'a' && from[2 * i] <= 'f') {
|
|
v = from[2 * i] - 'a' + 10;
|
|
} else {
|
|
return false;
|
|
}
|
|
v <<= 4;
|
|
if (from[2 * i + 1] >= '0' && from[2 * i + 1] <= '9') {
|
|
v |= from[2 * i + 1] - '0';
|
|
} else if (from[2 * i + 1] >= 'a' && from[2 * i + 1] <= 'f') {
|
|
v |= from[2 * i + 1] - 'a' + 10;
|
|
} else {
|
|
return false;
|
|
}
|
|
*(reinterpret_cast<unsigned char *>(to) + i) = v;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
inline void get(std::istream &input, bool &res) {
|
|
std::string sres;
|
|
input >> sres;
|
|
if (sres == "false") {
|
|
res = false;
|
|
} else if (sres == "true") {
|
|
res = true;
|
|
} else {
|
|
input.setstate(std::ios_base::failbit);
|
|
}
|
|
}
|
|
|
|
template<typename T>
|
|
typename std::enable_if<std::is_integral<T>::value, void>::type
|
|
get(std::istream &input, T &res) {
|
|
input >> res;
|
|
}
|
|
|
|
inline void getvar(std::istream &input, std::size_t length, void *res) {
|
|
std::string sres;
|
|
input >> sres;
|
|
if (sres.length() != 2 * length || !hexdecode(sres.data(), length, res)) {
|
|
input.setstate(std::ios_base::failbit);
|
|
}
|
|
}
|
|
|
|
template<typename T>
|
|
typename std::enable_if<std::is_standard_layout<T>::value && !std::is_scalar<T>::value, void>::type
|
|
get(std::istream &input, T &res) {
|
|
getvar(input, sizeof(T), &res);
|
|
}
|
|
|
|
inline void get(std::istream &input, std::vector<char> &res) {
|
|
std::string sres;
|
|
input >> sres;
|
|
if (sres == "x") {
|
|
res.clear();
|
|
} else if (sres.length() % 2 != 0) {
|
|
input.setstate(std::ios_base::failbit);
|
|
} else {
|
|
std::size_t length = sres.length() / 2;
|
|
res.resize(length);
|
|
if (!hexdecode(sres.data(), length, res.data())) {
|
|
input.setstate(std::ios_base::failbit);
|
|
}
|
|
}
|
|
}
|
|
|
|
#if !defined(_MSC_VER) || _MSC_VER >= 1800
|
|
|
|
template<typename T, typename... TT>
|
|
typename std::enable_if<(sizeof...(TT) > 0), void>::type
|
|
get(std::istream &input, T &res, TT &... resres) {
|
|
get(input, res);
|
|
get(input, resres...);
|
|
}
|
|
|
|
#else
|
|
#include <boost/preprocessor/cat.hpp>
|
|
#include <boost/preprocessor/repetition/enum_binary_params.hpp>
|
|
#include <boost/preprocessor/repetition/enum_params.hpp>
|
|
#include <boost/preprocessor/repetition/repeat.hpp>
|
|
#include <boost/preprocessor/repetition/repeat_from_to.hpp>
|
|
|
|
#define NESTED_GET(z, n, data) get(input, BOOST_PP_CAT(res, n));
|
|
#define GET(z, n, data) \
|
|
template<BOOST_PP_ENUM_PARAMS(n, typename T)> \
|
|
void get(std::istream &input, BOOST_PP_ENUM_BINARY_PARAMS(n, T, &res)) { \
|
|
BOOST_PP_REPEAT(n, NESTED_GET, ~) \
|
|
}
|
|
BOOST_PP_REPEAT_FROM_TO(2, 5, GET, ~)
|
|
|
|
#endif
|