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duck-typed object input adapters

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This commit is contained in:
Francois Chabot
2020-02-19 14:59:31 -05:00
parent a0c4fc945a
commit 2e2cf02cfd
8 changed files with 202 additions and 207 deletions
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49
include/nlohmann/json.hpp
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@ -175,7 +175,7 @@ class basic_json
friend class ::nlohmann::detail::iter_impl;
template<typename BasicJsonType, typename CharType>
friend class ::nlohmann::detail::binary_writer;
template<typename BasicJsonType, typename SAX, typename InputType>
template<typename BasicJsonType, typename InputType, typename SAX>
friend class ::nlohmann::detail::binary_reader;
template<typename BasicJsonType>
friend class ::nlohmann::detail::json_sax_dom_parser;
@ -190,7 +190,7 @@ class basic_json
template<typename InputAdapterType>
static ::nlohmann::detail::parser<basic_json, InputAdapterType> parser(
std::shared_ptr<InputAdapterType> adapter,
InputAdapterType adapter,
detail::parser_callback_t<basic_json>cb = nullptr,
bool allow_exceptions = true
)
@ -210,7 +210,8 @@ class basic_json
template<typename CharType>
using output_adapter_t = ::nlohmann::detail::output_adapter_t<CharType>;
using binary_reader = ::nlohmann::detail::binary_reader<basic_json>;
template<typename InputType>
using binary_reader = ::nlohmann::detail::binary_reader<basic_json, InputType>;
template<typename CharType> using binary_writer = ::nlohmann::detail::binary_writer<basic_json, CharType>;
using serializer = ::nlohmann::detail::serializer<basic_json>;
@ -6303,11 +6304,10 @@ class basic_json
{
assert(sax);
auto input_adapter = detail::input_adapter(std::forward<InputType>(i));
using adapter_type = typename decltype(input_adapter)::element_type;
auto ia = detail::input_adapter(std::forward<InputType>(i));
return format == input_format_t::json
? parser(std::move(input_adapter)).sax_parse(sax, strict)
: detail::binary_reader<basic_json, SAX, adapter_type>(std::move(input_adapter)).sax_parse(format, sax, strict);
? parser(std::move(ia)).sax_parse(sax, strict)
: detail::binary_reader<basic_json, decltype(ia), SAX>(std::move(ia)).sax_parse(format, sax, strict);
}
template <typename SAX>
@ -6318,11 +6318,10 @@ class basic_json
{
assert(sax);
auto input_adapter = i.get();
using adapter_type = typename decltype(input_adapter)::element_type;
auto ia = i.get();
return format == input_format_t::json
? parser(std::move(input_adapter)).sax_parse(sax, strict)
: detail::binary_reader<basic_json, SAX, adapter_type>(std::move(input_adapter)).sax_parse(format, sax, strict);
? parser(std::move(ia)).sax_parse(sax, strict)
: detail::binary_reader<basic_json, decltype(ia), SAX>(std::move(ia)).sax_parse(format, sax, strict);
}
@ -7026,7 +7025,8 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(detail::input_adapter(std::forward<InputType>(i))).sax_parse(input_format_t::cbor, &sdp, strict);
auto ia = detail::input_adapter(std::forward<InputType>(i));
const bool res = binary_reader<decltype(ia)>(std::move(ia)).sax_parse(input_format_t::cbor, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7042,7 +7042,7 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(detail::span_input_adapter(std::forward<A1>(a1), std::forward<A2>(a2)).get()).sax_parse(input_format_t::cbor, &sdp, strict);
const bool res = binary_reader<detail::input_buffer_adapter>(detail::span_input_adapter(std::forward<A1>(a1), std::forward<A2>(a2)).get()).sax_parse(input_format_t::cbor, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7053,7 +7053,7 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(i.get()).sax_parse(input_format_t::cbor, &sdp, strict);
const bool res = binary_reader<detail::input_buffer_adapter>(i.get()).sax_parse(input_format_t::cbor, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7147,7 +7147,8 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(detail::input_adapter(std::forward<InputType>(i))).sax_parse(input_format_t::msgpack, &sdp, strict);
auto ia = detail::input_adapter(std::forward<InputType>(i));
const bool res = binary_reader<decltype(ia)>(std::move(ia)).sax_parse(input_format_t::msgpack, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7163,7 +7164,7 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(detail::span_input_adapter(std::forward<A1>(a1), std::forward<A2>(a2)).get()).sax_parse(input_format_t::msgpack, &sdp, strict);
const bool res = binary_reader<detail::input_buffer_adapter>(detail::span_input_adapter(std::forward<A1>(a1), std::forward<A2>(a2)).get()).sax_parse(input_format_t::msgpack, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7175,7 +7176,7 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(i.get()).sax_parse(input_format_t::msgpack, &sdp, strict);
const bool res = binary_reader<detail::input_buffer_adapter>(i.get()).sax_parse(input_format_t::msgpack, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7249,7 +7250,8 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(detail::input_adapter(std::forward<InputType>(i))).sax_parse(input_format_t::ubjson, &sdp, strict);
auto ia = detail::input_adapter(std::forward<InputType>(i));
const bool res = binary_reader<decltype(ia)>(std::move(ia)).sax_parse(input_format_t::ubjson, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7265,7 +7267,7 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(detail::span_input_adapter(std::forward<A1>(a1), std::forward<A2>(a2)).get()).sax_parse(input_format_t::ubjson, &sdp, strict);
const bool res = binary_reader<detail::input_buffer_adapter>(detail::span_input_adapter(std::forward<A1>(a1), std::forward<A2>(a2)).get()).sax_parse(input_format_t::ubjson, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7276,7 +7278,7 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(i.get()).sax_parse(input_format_t::ubjson, &sdp, strict);
const bool res = binary_reader<detail::input_buffer_adapter>(i.get()).sax_parse(input_format_t::ubjson, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7349,7 +7351,8 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(detail::input_adapter(std::forward<InputType>(i))).sax_parse(input_format_t::bson, &sdp, strict);
auto ia = detail::input_adapter(std::forward<InputType>(i));
const bool res = binary_reader<decltype(ia)>(std::move(ia)).sax_parse(input_format_t::bson, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7365,7 +7368,7 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(detail::span_input_adapter(std::forward<A1>(a1), std::forward<A2>(a2)).get()).sax_parse(input_format_t::bson, &sdp, strict);
const bool res = binary_reader<detail::input_buffer_adapter>(detail::span_input_adapter(std::forward<A1>(a1), std::forward<A2>(a2)).get()).sax_parse(input_format_t::bson, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
@ -7376,7 +7379,7 @@ class basic_json
{
basic_json result;
detail::json_sax_dom_parser<basic_json> sdp(result, allow_exceptions);
const bool res = binary_reader(i.get()).sax_parse(input_format_t::bson, &sdp, strict);
const bool res = binary_reader<detail::input_buffer_adapter>(i.get()).sax_parse(input_format_t::bson, &sdp, strict);
return res ? result : basic_json(value_t::discarded);
}
/// @}