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arangodb/3rdParty/iresearch/core/utils/json_utils.hpp

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C++

////////////////////////////////////////////////////////////////////////////////
/// DISCLAIMER
///
/// Copyright 2019 ArangoDB GmbH, Cologne, Germany
///
/// Licensed under the Apache License, Version 2.0 (the "License");
/// you may not use this file except in compliance with the License.
/// You may obtain a copy of the License at
///
/// http://www.apache.org/licenses/LICENSE-2.0
///
/// Unless required by applicable law or agreed to in writing, software
/// distributed under the License is distributed on an "AS IS" BASIS,
/// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
/// See the License for the specific language governing permissions and
/// limitations under the License.
///
/// Copyright holder is ArangoDB GmbH, Cologne, Germany
///
/// @author Andrey Abramov
/// @author Vasiliy Nabatchikov
////////////////////////////////////////////////////////////////////////////////
#ifndef IRESEARCH_JSON_UTILS_H
#define IRESEARCH_JSON_UTILS_H
#include "string.hpp"
NS_ROOT
template<typename GenericObject>
inline bool get_uint64(GenericObject const& json,
const irs::string_ref& name,
uint64_t& value) {
if (!json.HasMember(name.c_str())) {
return false;
}
const auto& attr = json[name.c_str()];
if (!attr.IsNumber()) {
return false;
}
value = attr.GetUint64();
return true;
}
template<typename GenericObject>
inline bool get_bool(GenericObject const& json,
const irs::string_ref& name,
bool& value) {
if (!json.HasMember(name.c_str())) {
return false;
}
const auto& attr = json[name.c_str()];
if (!attr.IsBool()) {
return false;
}
value = attr.GetBool();
return true;
}
NS_END
#endif // IRESEARCH_JSON_UTILS_H