Files
tessesframework/include/TessesFramework/Serialization/Bencode.hpp

83 lines
2.8 KiB
C++

/*
TessesFramework a library to make C++ easier for me, used in CrossLang:
https://git.tesses.org/tesses50/crosslang Copyright (C) 2026 Mike Nolan
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once
#include "../Streams/Stream.hpp"
#include "../TextStreams/TextWriter.hpp"
#include "Json.hpp"
#include <cstdint>
#include <string>
#include <variant>
#include <vector>
namespace Tesses::Framework::Serialization::Bencode {
class BeArray;
class BeDictionary;
class BeString;
using BeUndefined = std::monostate;
using BeToken =
std::variant<BeUndefined, BeArray, BeDictionary, BeString, int64_t>;
class BeArray {
public:
std::vector<BeToken> tokens;
};
class BeDictionary {
public:
std::vector<std::pair<BeString, BeToken>> tokens;
BeToken GetValue(BeString key) const;
void SetValue(BeString key, BeToken value);
};
class BeString {
public:
BeString();
BeString(const std::string &text);
BeString(const char *text);
BeString(const std::vector<uint8_t> &data);
std::vector<uint8_t> data;
operator std::string() const;
};
bool operator==(const BeString &lStr, const BeString &rStr);
bool operator==(const BeString &lStr, const std::string &rStr);
bool operator==(const std::string &lStr, const BeString &rStr);
bool operator==(const BeString &lStr, const char *rStr);
bool operator==(const char *lStr, const BeString &rStr);
bool operator!=(const BeString &lStr, const BeString &rStr);
bool operator!=(const BeString &lStr, const std::string &rStr);
bool operator!=(const std::string &lStr, const BeString &rStr);
bool operator!=(const BeString &lStr, const char *rStr);
bool operator!=(const char *lStr, const BeString &rStr);
class Bencode {
public:
static void Save(std::shared_ptr<Tesses::Framework::Streams::Stream> strm,
const BeToken &value);
static BeToken
Load(std::shared_ptr<Tesses::Framework::Streams::Stream> strm);
// This cannot be converted back to torrent, this may (probably will) be out
// of order
static Json::JToken ToJson(const BeToken &tkn);
// This may (probably will) be out of order
static void
Print(std::shared_ptr<Tesses::Framework::TextStreams::TextWriter> writer,
BeToken tkn);
};
} // namespace Tesses::Framework::Serialization::Bencode