object-introspection/include/oi/exporters/ParsedData.h

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/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef INCLUDED_OI_EXPORTERS_PARSED_DATA_H
#define INCLUDED_OI_EXPORTERS_PARSED_DATA_H 1
#include <oi/types/dy.h>
#include <cassert>
#include <cstdint>
#include <variant>
#include <vector>
namespace oi::exporters {
struct ParsedData {
class Lazy {
public:
Lazy(std::vector<uint8_t>::const_iterator& it, types::dy::Dynamic ty)
: it_(it), ty_(ty) {
}
ParsedData operator()() {
return ParsedData::parse(it_, ty_);
}
private:
std::vector<uint8_t>::const_iterator& it_;
types::dy::Dynamic ty_;
};
struct Unit {};
struct VarInt {
uint64_t value;
};
struct Pair {
Lazy first;
Lazy second;
};
struct List {
uint64_t length;
Lazy values;
};
struct Sum {
uint64_t index;
Lazy value;
};
static ParsedData parse(std::vector<uint8_t>::const_iterator& it,
types::dy::Dynamic ty);
ParsedData(Unit&& val_) : val(val_) {
}
ParsedData(VarInt&& val_) : val(val_) {
}
ParsedData(Pair&& val_) : val(val_) {
}
ParsedData(List&& val_) : val(val_) {
}
ParsedData(Sum&& val_) : val(val_) {
}
std::variant<Unit, VarInt, Pair, List, Sum> val;
};
} // namespace oi::exporters
#endif