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IM/MDB/imm_mongodb/bsoncxx/builder/basic/impl.hpp
2023-05-29 18:12:22 +08:00

70 lines
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C++

// Copyright 2015 MongoDB Inc.
//
// 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.
#pragma once
#include <bsoncxx/builder/basic/sub_array.hpp>
#include <bsoncxx/builder/basic/sub_document.hpp>
#include <bsoncxx/util/functor.hpp>
#include <bsoncxx/config/prelude.hpp>
namespace bsoncxx {
BSONCXX_INLINE_NAMESPACE_BEGIN
namespace builder {
namespace basic {
namespace impl {
template <typename T>
using takes_document = typename util::is_functor<T, void(sub_document)>;
template <typename T>
using takes_array = typename util::is_functor<T, void(sub_array)>;
template <typename T>
BSONCXX_INLINE typename std::enable_if<takes_document<T>::value, void>::type generic_append(
core* core, T&& func) {
core->open_document();
func(sub_document(core));
core->close_document();
}
template <typename T>
BSONCXX_INLINE typename std::enable_if<takes_array<T>::value, void>::type generic_append(core* core,
T&& func) {
core->open_array();
func(sub_array(core));
core->close_array();
}
template <typename T>
BSONCXX_INLINE
typename std::enable_if<!takes_document<T>::value && !takes_array<T>::value, void>::type
generic_append(core* core, T&& t) {
core->append(std::forward<T>(t));
}
template <typename T>
BSONCXX_INLINE void value_append(core* core, T&& t) {
generic_append(core, std::forward<T>(t));
}
} // namespace impl
} // namespace basic
} // namespace builder
BSONCXX_INLINE_NAMESPACE_END
} // namespace bsoncxx
#include <bsoncxx/config/postlude.hpp>