diff options
Diffstat (limited to 'src/codec-json/json.tmpl.h')
-rw-r--r-- | src/codec-json/json.tmpl.h | 86 |
1 files changed, 83 insertions, 3 deletions
diff --git a/src/codec-json/json.tmpl.h b/src/codec-json/json.tmpl.h index a19e3dc..0738277 100644 --- a/src/codec-json/json.tmpl.h +++ b/src/codec-json/json.tmpl.h @@ -10,8 +10,8 @@ class json_encode { }; template<typename T, size_t N, typename RootSchema, typename FromEncode> -struct json_encode<saw::schema::Primitive<T,N>, RootSchema, FromEncode> { - static error_or<void> encode(const data<saw::schema::Primitive<T,N>, FromEncode>& from, data<saw::schema::Primitive<T,N>, encode::Json>& to) { +struct json_encode<schema::Primitive<T,N>, RootSchema, FromEncode> { + static error_or<void> encode(const data<schema::Primitive<T,N>, FromEncode>& from, buffer& to) { auto val = from.get(); std::array<uint8_t, 256> data; auto tc_result = std::to_chars(reinterpret_cast<char*>(data.data()), reinterpret_cast<char*>(data.data())+data.size(), val); @@ -25,7 +25,7 @@ struct json_encode<saw::schema::Primitive<T,N>, RootSchema, FromEncode> { ++bytes_written; } - auto& buff = to.get_buffer(); + auto& buff = to; error err = buff.write_require_length(bytes_written); if(!err.template is_type<err::no_error>()){ return std::move(err); @@ -39,5 +39,85 @@ struct json_encode<saw::schema::Primitive<T,N>, RootSchema, FromEncode> { return void_t{}; } }; + +template<typename RootSchema, typename FromEncode> +struct json_encode<schema::String, RootSchema, FromEncode> { + static error_or<void> encode(const data<schema::String, FromEncode>& from, buffer& to) { + { + auto err = to.push('"'); + if(!err.template is_type<err::no_error>()){ + return err; + } + } + for(std::size_t i = 0; i < from.size(); ++i){ + auto err = to.push(from.get_at(i)); + if(!err.template is_type<err::no_error>()){ + return err; + } + } + { + auto err = to.push('"'); + if(!err.template is_type<err::no_error>()){ + return err; + } + } + + return void_t{}; + } +}; + +template<typename... T, typename RootSchema, typename FromEncode> +struct json_encode<schema::Tuple<T...>, RootSchema, FromEncode> { + + template<size_t i> + static error_or<void> encode_element(const data<schema::Tuple<T...>, FromEncode>& from, buffer& to){ + auto eov = json_encode<typename parameter_pack_type<i, T...>::type, RootSchema, FromEncode>::encode(from.template get<i>(), to); + + if(eov.is_error()){ + return eov; + } + + if constexpr ( (i+1) < sizeof...(T)){ + { + auto eov_ele = to.push(','); + if(!eov_ele.template is_type<err::no_error>()){ + return eov_ele; + } + } + { + auto eov_ele = encode_element<i+1>(from, to); + if(eov_ele.is_error()){ + return eov_ele; + } + } + + + } + return void_t{}; + } + + static error_or<void> encode(const data<schema::Tuple<T...>, FromEncode>& from, buffer& to) { + { + auto err = to.push('['); + if(!err.template is_type<err::no_error>()){ + return err; + } + } + if constexpr ( sizeof...(T) > 0 ){ + auto eov = encode_element<0>(from, to); + if(eov.is_error()){ + return eov; + } + } + { + auto err = to.push(']'); + if(!err.template is_type<err::no_error>()){ + return err; + } + } + + return void_t{}; + } +}; } } |