MongoDB C++ Driver mongocxx-3.10.1
Loading...
Searching...
No Matches
sub_array.hpp
1// Copyright 2014 MongoDB Inc.
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7// http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15#pragma once
16
17#include <bsoncxx/builder/basic/sub_array-fwd.hpp>
18
19#include <bsoncxx/builder/basic/helpers.hpp>
20#include <bsoncxx/builder/concatenate.hpp>
21#include <bsoncxx/builder/core.hpp>
22
23#include <bsoncxx/config/prelude.hpp>
24
25namespace bsoncxx {
26namespace v_noabi {
27namespace builder {
28namespace basic {
29
30namespace impl {
31
32template <typename T>
33void value_append(core* core, T&& t);
34
35} // namespace impl
36
41class sub_array {
42 public:
46 BSONCXX_INLINE sub_array(core* core) : _core(core) {}
47
51 template <typename Arg, typename... Args>
52 BSONCXX_INLINE void append(Arg&& a, Args&&... args) {
53 append_(std::forward<Arg>(a));
54 append(std::forward<Args>(args)...);
55 }
56
60 BSONCXX_INLINE
61 void append() {}
62
63 private:
64 //
65 // Appends a BSON value.
66 //
67 template <typename T>
68 BSONCXX_INLINE void append_(T&& t) {
69 impl::value_append(_core, std::forward<T>(t));
70 }
71
72 //
73 // Concatenates another bson array directly.
74 //
75 BSONCXX_INLINE
76 void append_(concatenate_array array) {
77 _core->concatenate(array.view());
78 }
79
80 core* _core;
81};
82
83} // namespace basic
84} // namespace builder
85} // namespace v_noabi
86} // namespace bsoncxx
87
88#include <bsoncxx/config/postlude.hpp>
A JSON-like builder for creating arrays.
Definition list.hpp:180
An internal class of builder::basic.
Definition sub_array.hpp:41
void append()
Inductive base-case for the variadic append(...)
Definition sub_array.hpp:61
sub_array(core *core)
Default constructor.
Definition sub_array.hpp:46
void append(Arg &&a, Args &&... args)
Appends multiple BSON values.
Definition sub_array.hpp:52
A low-level interface for constructing BSON documents and arrays.
Definition core.hpp:45
core & concatenate(const bsoncxx::v_noabi::document::view &view)
Appends the keys from a BSON document into this BSON datum.
bson_value::view view()
Provides a view of the underlying BSON value.
Definition list.hpp:103
The top-level namespace for bsoncxx library entities.
Definition element-fwd.hpp:19
Container to concatenate an array.
Definition concatenate.hpp:64