53 lines
1.5 KiB
C++
53 lines
1.5 KiB
C++
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#ifndef RFL_JSON_WRITE_HPP_
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#define RFL_JSON_WRITE_HPP_
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#include <yyjson.h>
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#include <ostream>
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#include <sstream>
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#include <string>
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#include "../Processors.hpp"
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#include "../parsing/Parent.hpp"
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#include "Parser.hpp"
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namespace rfl {
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namespace json {
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/// Convenient alias for the YYJSON pretty flag
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inline constexpr yyjson_write_flag pretty = YYJSON_WRITE_PRETTY;
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/// Returns a JSON string.
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template <class... Ps>
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std::string write(const auto& _obj, const yyjson_write_flag _flag = 0) {
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using T = std::remove_cvref_t<decltype(_obj)>;
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using ParentType = parsing::Parent<Writer>;
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auto w = Writer(yyjson_mut_doc_new(NULL));
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Parser<T, Processors<Ps...>>::write(w, _obj, typename ParentType::Root{});
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const char* json_c_str = yyjson_mut_write(w.doc_, _flag, NULL);
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const auto json_str = std::string(json_c_str);
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free((void*)json_c_str);
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yyjson_mut_doc_free(w.doc_);
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return json_str;
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}
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/// Writes a JSON into an ostream.
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template <class... Ps>
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std::ostream& write(const auto& _obj, std::ostream& _stream,
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const yyjson_write_flag _flag = 0) {
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using T = std::remove_cvref_t<decltype(_obj)>;
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using ParentType = parsing::Parent<Writer>;
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auto w = Writer(yyjson_mut_doc_new(NULL));
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Parser<T, Processors<Ps...>>::write(w, _obj, typename ParentType::Root{});
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const char* json_c_str = yyjson_mut_write(w.doc_, _flag, NULL);
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_stream << json_c_str;
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free((void*)json_c_str);
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yyjson_mut_doc_free(w.doc_);
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return _stream;
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}
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} // namespace json
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} // namespace rfl
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#endif // JSON_PARSER_HPP_
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