sub_array.hpp

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// Copyright 2009-present 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-fwd.hpp>
 
#include <bsoncxx/builder/basic/helpers.hpp>
#include <bsoncxx/builder/concatenate.hpp>
#include <bsoncxx/builder/core.hpp>
 
#include <bsoncxx/config/prelude.hpp>
 
namespace bsoncxx {
namespace v_noabi {
namespace builder {
namespace basic {
 
namespace impl {
 
template <typename T>
void value_append(core* core, T&& t);
 
} // namespace impl

class sub_array {
   public:
    sub_array(core* core) : _core(core) {}

    template <typename Arg, typename... Args>
    void append(Arg&& a, Args&&... args) {
        append_(std::forward<Arg>(a));
        append(std::forward<Args>(args)...);
    }

    void append() {}
 
   private:
    //
    // Appends a BSON value.
    //
    template <typename T>
    void append_(T&& t) {
        impl::value_append(_core, std::forward<T>(t));
    }
 
    //
    // Concatenates another bson array directly.
    //
    void append_(concatenate_array array) {
        _core->concatenate(array.view());
    }
 
    core* _core;
};
 
} // namespace basic
} // namespace builder
} // namespace v_noabi
} // namespace bsoncxx
 
#include <bsoncxx/config/postlude.hpp>