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// Copyright 2013-2025 Daniel Parker
// Distributed under the Boost license, Version 1.0.
// (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
// See https://github.com/danielaparker/jsoncons for latest version
#ifndef JSONCONS_EXT_BSON_ENCODE_BSON_HPP
#define JSONCONS_EXT_BSON_ENCODE_BSON_HPP
#include <ostream> // std::basic_ostream
#include <system_error>
#include <type_traits> // std::enable_if
#include <jsoncons/allocator_set.hpp>
#include <jsoncons/basic_json.hpp>
#include <jsoncons/config/compiler_support.hpp>
#include <jsoncons/json_exception.hpp>
#include <jsoncons/json_visitor.hpp>
#include <jsoncons/reflect/encode_traits.hpp>
#include <jsoncons/ser_util.hpp>
#include <jsoncons/sink.hpp>
#include <jsoncons/utility/more_type_traits.hpp>
#include <jsoncons_ext/bson/bson_encoder.hpp>
#include <jsoncons_ext/bson/bson_options.hpp>
namespace jsoncons {
namespace bson {
template <typename T,typename ByteContainer>
typename std::enable_if<ext_traits::is_basic_json<T>::value &&
ext_traits::is_back_insertable_byte_container<ByteContainer>::value,write_result>::type
try_encode_bson(const T& j,
ByteContainer& cont,
const bson_encode_options& options = bson_encode_options())
{
using char_type = typename T::char_type;
basic_bson_encoder<jsoncons::bytes_sink<ByteContainer>> encoder(cont, options);
auto adaptor = make_json_visitor_adaptor<basic_json_visitor<char_type>>(encoder);
return j.try_dump(adaptor);
}
template <typename T,typename ByteContainer>
typename std::enable_if<!ext_traits::is_basic_json<T>::value &&
ext_traits::is_back_insertable_byte_container<ByteContainer>::value,write_result>::type
try_encode_bson(const T& val,
ByteContainer& cont,
const bson_encode_options& options = bson_encode_options())
{
basic_bson_encoder<jsoncons::bytes_sink<ByteContainer>> encoder(cont, options);
std::error_code ec;
return reflect::encode_traits<T>::try_encode(make_alloc_set(), val, encoder);
}
template <typename T>
typename std::enable_if<ext_traits::is_basic_json<T>::value,write_result>::type
try_encode_bson(const T& j,
std::ostream& os,
const bson_encode_options& options = bson_encode_options())
{
using char_type = typename T::char_type;
bson_stream_encoder encoder(os, options);
auto adaptor = make_json_visitor_adaptor<basic_json_visitor<char_type>>(encoder);
return j.try_dump(adaptor);
}
template <typename T>
typename std::enable_if<!ext_traits::is_basic_json<T>::value,write_result>::type
try_encode_bson(const T& val,
std::ostream& os,
const bson_encode_options& options = bson_encode_options())
{
bson_stream_encoder encoder(os, options);
std::error_code ec;
return reflect::encode_traits<T>::try_encode(make_alloc_set(), val, encoder);
}
template <typename T,typename ByteContainer,typename Alloc,typename TempAlloc >
typename std::enable_if<ext_traits::is_basic_json<T>::value &&
ext_traits::is_back_insertable_byte_container<ByteContainer>::value,write_result>::type
try_encode_bson(const allocator_set<Alloc,TempAlloc>& aset,
const T& j,
ByteContainer& cont,
const bson_encode_options& options = bson_encode_options())
{
using char_type = typename T::char_type;
basic_bson_encoder<jsoncons::bytes_sink<ByteContainer>,TempAlloc> encoder(cont, options, aset.get_temp_allocator());
auto adaptor = make_json_visitor_adaptor<basic_json_visitor<char_type>>(encoder);
return j.try_dump(adaptor);
}
template <typename T,typename ByteContainer,typename Alloc,typename TempAlloc >
typename std::enable_if<!ext_traits::is_basic_json<T>::value &&
ext_traits::is_back_insertable_byte_container<ByteContainer>::value,write_result>::type
try_encode_bson(const allocator_set<Alloc,TempAlloc>& aset,
const T& val,
ByteContainer& cont,
const bson_encode_options& options = bson_encode_options())
{
basic_bson_encoder<jsoncons::bytes_sink<ByteContainer>,TempAlloc> encoder(cont, options, aset.get_temp_allocator());
std::error_code ec;
return reflect::encode_traits<T>::try_encode(aset, val, encoder);
}
template <typename T,typename Alloc,typename TempAlloc >
typename std::enable_if<ext_traits::is_basic_json<T>::value,write_result>::type
try_encode_bson(const allocator_set<Alloc,TempAlloc>& aset,
const T& j,
std::ostream& os,
const bson_encode_options& options = bson_encode_options())
{
using char_type = typename T::char_type;
basic_bson_encoder<jsoncons::binary_stream_sink,TempAlloc> encoder(os, options, aset.get_temp_allocator());
auto adaptor = make_json_visitor_adaptor<basic_json_visitor<char_type>>(encoder);
return j.try_dump(adaptor);
}
template <typename T,typename Alloc,typename TempAlloc >
typename std::enable_if<!ext_traits::is_basic_json<T>::value,write_result>::type
try_encode_bson(const allocator_set<Alloc,TempAlloc>& aset,
const T& val,
std::ostream& os,
const bson_encode_options& options = bson_encode_options())
{
basic_bson_encoder<jsoncons::binary_stream_sink,TempAlloc> encoder(os, options, aset.get_temp_allocator());
std::error_code ec;
return reflect::encode_traits<T>::try_encode(aset, val, encoder);
}
template <typename... Args>
void encode_bson(Args&& ... args)
{
auto r = try_encode_bson(std::forward<Args>(args)...);
if (!r)
{
JSONCONS_THROW(ser_error(r.error()));
}
}
} // namespace bson
} // namespace jsoncons
#endif // JSONCONS_EXT_BSON_ENCODE_BSON_HPP
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