54 lines
1.4 KiB
C++
54 lines
1.4 KiB
C++
#ifndef RFL_BSON_PARSER_HPP_
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#define RFL_BSON_PARSER_HPP_
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#include <bson/bson.h>
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#include "../parsing/Parser.hpp"
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#include "Reader.hpp"
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#include "Writer.hpp"
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namespace rfl::parsing {
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/// bson_oid_t needs to be treated as a special case, otherwise it will be
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/// read as a struct.
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template <class R, class W, class ProcessorsType>
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requires AreReaderAndWriter<R, W, bson_oid_t>
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struct Parser<R, W, ProcessorsType, bson_oid_t> {
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using InputVarType = typename R::InputVarType;
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using OutputVarType = typename W::OutputVarType;
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using ParentType = Parent<W>;
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static Result<bson_oid_t>
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read(const R& _r, const InputVarType& _var) noexcept {
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return _r.template to_basic_type<bson_oid_t>(_var);
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}
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template <class P>
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static void
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write(const W& _w, const bson_oid_t& _oid, const P& _parent) noexcept {
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ParentType::add_value(_w, _oid, _parent);
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}
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static schema::Type to_schema(
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std::map<std::string, schema::Type>* _definitions
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) {
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static_assert(
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rfl::always_false_v<R>,
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"bson_oid_t cannot be expressed inside a JSON schema."
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);
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return schema::Type {schema::Type::String {}};
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}
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};
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} // namespace rfl::parsing
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namespace rfl::bson {
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template <class T, class ProcessorsType>
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using Parser = parsing::Parser<Reader, Writer, T, ProcessorsType>;
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} // namespace rfl::bson
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#endif
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