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Diffstat (limited to 'include/jsoncons_ext/bson/encode_bson.hpp')
-rw-r--r-- | include/jsoncons_ext/bson/encode_bson.hpp | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/include/jsoncons_ext/bson/encode_bson.hpp b/include/jsoncons_ext/bson/encode_bson.hpp new file mode 100644 index 0000000..55f8cf5 --- /dev/null +++ b/include/jsoncons_ext/bson/encode_bson.hpp @@ -0,0 +1,144 @@ +// Copyright 2013 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_BSON_ENCODE_BSON_HPP +#define JSONCONS_BSON_ENCODE_BSON_HPP + +#include <string> +#include <vector> +#include <memory> +#include <type_traits> // std::enable_if +#include <istream> // std::basic_istream +#include <jsoncons/json.hpp> +#include <jsoncons/config/jsoncons_config.hpp> +#include <jsoncons_ext/bson/bson_encoder.hpp> +#include <jsoncons_ext/bson/bson_reader.hpp> + +namespace jsoncons { +namespace bson { + + template<class T, class Container> + typename std::enable_if<type_traits::is_basic_json<T>::value && + type_traits::is_back_insertable_byte_container<Container>::value,void>::type + encode_bson(const T& j, + Container& v, + const bson_encode_options& options = bson_encode_options()) + { + using char_type = typename T::char_type; + basic_bson_encoder<jsoncons::bytes_sink<Container>> encoder(v, options); + auto adaptor = make_json_visitor_adaptor<basic_json_visitor<char_type>>(encoder); + j.dump(adaptor); + } + + template<class T, class Container> + typename std::enable_if<!type_traits::is_basic_json<T>::value && + type_traits::is_back_insertable_byte_container<Container>::value,void>::type + encode_bson(const T& val, + Container& v, + const bson_encode_options& options = bson_encode_options()) + { + basic_bson_encoder<jsoncons::bytes_sink<Container>> encoder(v, options); + std::error_code ec; + encode_traits<T,char>::encode(val, encoder, json(), ec); + if (ec) + { + JSONCONS_THROW(ser_error(ec)); + } + } + + template<class T> + typename std::enable_if<type_traits::is_basic_json<T>::value,void>::type + 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); + j.dump(adaptor); + } + + template<class T> + typename std::enable_if<!type_traits::is_basic_json<T>::value,void>::type + 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; + encode_traits<T,char>::encode(val, encoder, json(), ec); + if (ec) + { + JSONCONS_THROW(ser_error(ec)); + } + } + + // with temp_allocator_rag + + template<class T, class Container, class TempAllocator> + typename std::enable_if<type_traits::is_basic_json<T>::value && + type_traits::is_back_insertable_byte_container<Container>::value,void>::type + encode_bson(temp_allocator_arg_t, const TempAllocator& temp_alloc, + const T& j, + Container& v, + const bson_encode_options& options = bson_encode_options()) + { + using char_type = typename T::char_type; + basic_bson_encoder<jsoncons::bytes_sink<Container>,TempAllocator> encoder(v, options, temp_alloc); + auto adaptor = make_json_visitor_adaptor<basic_json_visitor<char_type>>(encoder); + j.dump(adaptor); + } + + template<class T, class Container, class TempAllocator> + typename std::enable_if<!type_traits::is_basic_json<T>::value && + type_traits::is_back_insertable_byte_container<Container>::value,void>::type + encode_bson(temp_allocator_arg_t, const TempAllocator& temp_alloc, + const T& val, + Container& v, + const bson_encode_options& options = bson_encode_options()) + { + basic_bson_encoder<jsoncons::bytes_sink<Container>,TempAllocator> encoder(v, options, temp_alloc); + std::error_code ec; + encode_traits<T,char>::encode(val, encoder, json(), ec); + if (ec) + { + JSONCONS_THROW(ser_error(ec)); + } + } + + template<class T,class TempAllocator> + typename std::enable_if<type_traits::is_basic_json<T>::value,void>::type + encode_bson(temp_allocator_arg_t, const TempAllocator& temp_alloc, + 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,TempAllocator> encoder(os, options, temp_alloc); + auto adaptor = make_json_visitor_adaptor<basic_json_visitor<char_type>>(encoder); + j.dump(adaptor); + } + + template<class T,class TempAllocator> + typename std::enable_if<!type_traits::is_basic_json<T>::value,void>::type + encode_bson(temp_allocator_arg_t, const TempAllocator& temp_alloc, + const T& val, + std::ostream& os, + const bson_encode_options& options = bson_encode_options()) + { + basic_bson_encoder<jsoncons::binary_stream_sink,TempAllocator> encoder(os, options, temp_alloc); + std::error_code ec; + encode_traits<T,char>::encode(val, encoder, json(), ec); + if (ec) + { + JSONCONS_THROW(ser_error(ec)); + } + } + +} // bson +} // jsoncons + +#endif |