87 lines
2.0 KiB
C++
87 lines
2.0 KiB
C++
// Copyright 2014 MongoDB Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#pragma once
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#include <bsoncxx/builder/basic/helpers.hpp>
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#include <bsoncxx/builder/concatenate.hpp>
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#include <bsoncxx/builder/core.hpp>
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#include <bsoncxx/config/prelude.hpp>
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namespace bsoncxx {
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BSONCXX_INLINE_NAMESPACE_BEGIN
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namespace builder {
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namespace basic {
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namespace impl {
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template <typename T>
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void value_append(core* core, T&& t);
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} // namespace impl
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///
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/// An internal class of builder::basic.
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/// Users should almost always construct a builder::basic::array instead.
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///
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class sub_array {
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public:
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///
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/// Default constructor
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///
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BSONCXX_INLINE sub_array(core* core) : _core(core) {}
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///
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/// Appends multiple BSON values.
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///
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template <typename Arg, typename... Args>
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BSONCXX_INLINE void append(Arg&& a, Args&&... args) {
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append_(std::forward<Arg>(a));
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append(std::forward<Args>(args)...);
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}
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///
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/// Inductive base-case for the variadic append(...)
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///
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BSONCXX_INLINE
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void append() {}
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private:
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//
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// Appends a BSON value.
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//
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template <typename T>
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BSONCXX_INLINE void append_(T&& t) {
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impl::value_append(_core, std::forward<T>(t));
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}
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//
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// Concatenates another bson array directly.
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//
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BSONCXX_INLINE
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void append_(concatenate_array array) {
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_core->concatenate(array.view());
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}
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core* _core;
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};
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} // namespace basic
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} // namespace builder
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BSONCXX_INLINE_NAMESPACE_END
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} // namespace bsoncxx
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#include <bsoncxx/config/postlude.hpp>
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