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36 lines
1.0 KiB
C++
36 lines
1.0 KiB
C++
#include <DB/IO/HashingWriteBuffer.h>
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#include <iomanip>
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/// UInt64 это 39 символов в 10 системе счисления
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static const size_t UINT64_DECIMAL_SIZE = 39;
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std::string uint128ToString(uint128 data)
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{
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std::stringstream ss;
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ss << std::setw(UINT64_DECIMAL_SIZE) << std::setfill('0') << data.first << std::setw(UINT64_DECIMAL_SIZE) << std::setfill('0') << data.second;
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return ss.str();
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}
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std::ostream & operator<<(std::ostream & os, const uint128 & data)
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{
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os << uint128ToString(data);
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return os;
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}
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std::istream & operator>>(std::istream & is, uint128 & data)
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{
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std::vector<char> buffer(UINT64_DECIMAL_SIZE);
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is.read(buffer.data(), UINT64_DECIMAL_SIZE);
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data.first = DB::parse<UInt64>(buffer.data(), UINT64_DECIMAL_SIZE);
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if (!is)
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throw DB::Exception(std::string("Fail to parse uint128 from ") + buffer.data());
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is.read(buffer.data(), UINT64_DECIMAL_SIZE);
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data.first = DB::parse<UInt64>(buffer.data(), UINT64_DECIMAL_SIZE);
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if (!is)
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throw DB::Exception(std::string("Fail to parse uint128 from ") + buffer.data());
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return is;
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}
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