59 lines
1.7 KiB
C++
59 lines
1.7 KiB
C++
/*
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* Copyright (C) 2015 Cloudius Systems, Ltd.
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*/
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/*
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* This file is part of Scylla.
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*
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* Scylla is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Scylla is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with Scylla. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "core/sstring.hh"
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#include <json/json.h>
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namespace json {
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template<typename Map>
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inline sstring to_json(const Map& map) {
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Json::Value root(Json::objectValue);
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for (auto&& kv : map) {
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root[kv.first] = Json::Value(kv.second);
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}
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Json::FastWriter writer;
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// Json::FastWriter unnecessarily adds a newline at the end of string.
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// There is a method omitEndingLineFeed() which prevents that, but it seems
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// to be too recent addition, so, at least for now, a workaround is needed.
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auto str = writer.write(root);
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if (str.length() && str.back() == '\n') {
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str.pop_back();
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}
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return str;
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}
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inline std::map<sstring, sstring> to_map(const sstring& raw) {
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Json::Value root;
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Json::Reader reader;
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reader.parse(std::string{raw}, root);
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std::map<sstring, sstring> map;
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for (auto&& member : root.getMemberNames()) {
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map.emplace(member, root[member].asString());
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}
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return map;
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}
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}
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