mirror of
https://github.com/mod-playerbots/azerothcore-wotlk.git
synced 2026-01-13 01:08:35 +00:00
138 lines
4.2 KiB
C++
138 lines
4.2 KiB
C++
/*
|
|
* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Affero 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 Affero 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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef _AUTH_BIGNUMBER_H
|
|
#define _AUTH_BIGNUMBER_H
|
|
|
|
#include "Define.h"
|
|
#include <array>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
struct bignum_st;
|
|
|
|
class AC_COMMON_API BigNumber
|
|
{
|
|
public:
|
|
BigNumber();
|
|
BigNumber(BigNumber const& bn);
|
|
BigNumber(uint32 v) : BigNumber() { SetDword(v); }
|
|
BigNumber(int32 v) : BigNumber() { SetDword(v); }
|
|
BigNumber(std::string const& v) : BigNumber() { SetHexStr(v); }
|
|
|
|
template <size_t Size>
|
|
BigNumber(std::array<uint8, Size> const& v, bool littleEndian = true) : BigNumber() { SetBinary(v.data(), Size, littleEndian); }
|
|
|
|
~BigNumber();
|
|
|
|
void SetDword(int32);
|
|
void SetDword(uint32);
|
|
void SetQword(uint64);
|
|
void SetBinary(uint8 const* bytes, int32 len, bool littleEndian = true);
|
|
|
|
template <typename Container>
|
|
auto SetBinary(Container const& c, bool littleEndian = true) -> std::enable_if_t<!std::is_pointer_v<std::decay_t<Container>>> { SetBinary(std::data(c), std::size(c), littleEndian); }
|
|
|
|
bool SetHexStr(char const* str);
|
|
bool SetHexStr(std::string const& str) { return SetHexStr(str.c_str()); }
|
|
|
|
void SetRand(int32 numbits);
|
|
|
|
BigNumber& operator=(BigNumber const& bn);
|
|
|
|
BigNumber& operator+=(BigNumber const& bn);
|
|
BigNumber operator+(BigNumber const& bn) const
|
|
{
|
|
BigNumber t(*this);
|
|
return t += bn;
|
|
}
|
|
|
|
BigNumber& operator-=(BigNumber const& bn);
|
|
BigNumber operator-(BigNumber const& bn) const
|
|
{
|
|
BigNumber t(*this);
|
|
return t -= bn;
|
|
}
|
|
|
|
BigNumber& operator*=(BigNumber const& bn);
|
|
BigNumber operator*(BigNumber const& bn) const
|
|
{
|
|
BigNumber t(*this);
|
|
return t *= bn;
|
|
}
|
|
|
|
BigNumber& operator/=(BigNumber const& bn);
|
|
BigNumber operator/(BigNumber const& bn) const
|
|
{
|
|
BigNumber t(*this);
|
|
return t /= bn;
|
|
}
|
|
|
|
BigNumber& operator%=(BigNumber const& bn);
|
|
BigNumber operator%(BigNumber const& bn) const
|
|
{
|
|
BigNumber t(*this);
|
|
return t %= bn;
|
|
}
|
|
|
|
BigNumber& operator<<=(int n);
|
|
BigNumber operator<<(int n) const
|
|
{
|
|
BigNumber t(*this);
|
|
return t <<= n;
|
|
}
|
|
|
|
[[nodiscard]] int CompareTo(BigNumber const& bn) const;
|
|
bool operator<=(BigNumber const& bn) const { return (CompareTo(bn) <= 0); }
|
|
bool operator==(BigNumber const& bn) const { return (CompareTo(bn) == 0); }
|
|
bool operator>=(BigNumber const& bn) const { return (CompareTo(bn) >= 0); }
|
|
bool operator<(BigNumber const& bn) const { return (CompareTo(bn) < 0); }
|
|
bool operator>(BigNumber const& bn) const { return (CompareTo(bn) > 0); }
|
|
|
|
[[nodiscard]] bool IsZero() const;
|
|
[[nodiscard]] bool IsNegative() const;
|
|
|
|
[[nodiscard]] BigNumber ModExp(BigNumber const& bn1, BigNumber const& bn2) const;
|
|
[[nodiscard]] BigNumber Exp(BigNumber const&) const;
|
|
|
|
[[nodiscard]] int32 GetNumBytes() const;
|
|
|
|
struct bignum_st* BN() { return _bn; }
|
|
[[nodiscard]] struct bignum_st const* BN() const { return _bn; }
|
|
|
|
[[nodiscard]] uint32 AsDword() const;
|
|
|
|
void GetBytes(uint8* buf, size_t bufsize, bool littleEndian = true) const;
|
|
[[nodiscard]] std::vector<uint8> ToByteVector(int32 minSize = 0, bool littleEndian = true) const;
|
|
|
|
template <std::size_t Size>
|
|
std::array<uint8, Size> ToByteArray(bool littleEndian = true) const
|
|
{
|
|
std::array<uint8, Size> buf;
|
|
GetBytes(buf.data(), Size, littleEndian);
|
|
return buf;
|
|
}
|
|
|
|
[[nodiscard]] std::string AsHexStr() const;
|
|
[[nodiscard]] std::string AsDecStr() const;
|
|
|
|
private:
|
|
struct bignum_st* _bn;
|
|
|
|
};
|
|
#endif
|