ericw-tools/include/common/json.hh

94 lines
2.2 KiB
C++

/* Copyright (C) 2017 Eric Wasylishen
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 2 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
See file, 'COPYING', for details.
*/
#pragma once
// JSON & formatters for our types
#include <json/json.h>
#include <common/qvec.hh>
template<typename T, size_t N>
Json::Value to_json(const qvec<T, N> &p)
{
auto j = Json::Value(Json::arrayValue);
for (auto &v : p) {
j.append(v);
}
return j;
}
template<typename T>
Json::Value to_json(const std::vector<T> &vec)
{
auto j = Json::Value(Json::arrayValue);
for (auto &v : vec) {
j.append(v);
}
return j;
}
template<class T, size_t N>
Json::Value to_json(const std::array<T, N> &arr)
{
auto j = Json::Value(Json::arrayValue);
for (auto &v : arr) {
j.append(v);
}
return j;
}
template<class T>
Json::Value json_array(std::initializer_list<T> args)
{
auto j = Json::Value(Json::arrayValue);
for (auto &v : args) {
j.append(v);
}
return j;
}
template<typename T, size_t N>
qvec<T, N> from_json(const Json::Value &j)
{
qvec<T, N> p;
for (unsigned int i = 0; i < N; i++) {
p[i] = j[i].as<T>();
}
return p;
}
static Json::Value parse_json(const uint8_t *begin, const uint8_t *end)
{
Json::Value result;
Json::CharReaderBuilder rbuilder;
auto reader = std::unique_ptr<Json::CharReader>(rbuilder.newCharReader());
reader->parse(reinterpret_cast<const char*>(begin),
reinterpret_cast<const char*>(end), &result, nullptr);
return result;
}