Emily Boudreaux
ec13264050
A bug was discovered in glaze which prevented valid toml output. We have switched to toml++ and reflect-cpp. The interface has remained the same so this should not break any code
65 lines
1.8 KiB
C++
65 lines
1.8 KiB
C++
#ifndef RFL_JSON_READ_HPP_
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#define RFL_JSON_READ_HPP_
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#if __has_include(<yyjson.h>)
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#include <yyjson.h>
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#else
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#include "../thirdparty/yyjson.h"
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#endif
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#include <istream>
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#include <string_view>
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#include "../Processors.hpp"
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#include "../internal/wrap_in_rfl_array_t.hpp"
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#include "Parser.hpp"
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#include "Reader.hpp"
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namespace rfl {
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namespace json {
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using InputObjectType = typename Reader::InputObjectType;
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using InputVarType = typename Reader::InputVarType;
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/// Parses an object from a JSON var.
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template <class T, class... Ps>
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auto read(const InputVarType& _obj) {
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const auto r = Reader();
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return Parser<T, Processors<Ps...>>::read(r, _obj);
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}
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/// Parses an object from JSON using reflection.
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template <class T, class... Ps>
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Result<internal::wrap_in_rfl_array_t<T>> read(
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const std::string_view _json_str, const yyjson_read_flag _flag = 0) {
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if (_flag & YYJSON_READ_INSITU) {
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return error("YYJSON_READ_INSITU is not supported");
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}
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yyjson_read_err err;
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// According to yyjson's doc, it's safe castaway constness as long as
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// YYJSON_READ_INSITU is not set
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yyjson_doc* doc = yyjson_read_opts(const_cast<char*>(_json_str.data()),
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_json_str.size(), _flag, NULL, &err);
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if (!doc) {
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return error("Could not parse document: " + std::string(err.msg));
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}
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yyjson_val* root = yyjson_doc_get_root(doc);
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const auto r = Reader();
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auto res = Parser<T, Processors<Ps...>>::read(r, InputVarType(root));
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yyjson_doc_free(doc);
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return res;
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}
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/// Parses an object from a stringstream.
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template <class T, class... Ps>
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auto read(std::istream& _stream, const yyjson_read_flag _flag = 0) {
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const auto json_str = std::string(std::istreambuf_iterator<char>(_stream),
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std::istreambuf_iterator<char>());
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return read<T, Ps...>(json_str, _flag);
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}
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} // namespace json
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} // namespace rfl
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#endif
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