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34 lines
569 B
C
34 lines
569 B
C
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#pragma once
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#include <iostream>
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#include <DB/IO/WriteBuffer.h>
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namespace DB
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{
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/** Пишет данные в строку.
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*/
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class WriteBufferFromString : public WriteBuffer
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{
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private:
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std::string & s;
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void nextImpl()
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{
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size_t old_size = s.size();
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s.resize(old_size * 2);
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internal_buffer = Buffer(reinterpret_cast<Position>(&s[old_size]), reinterpret_cast<Position>(&*s.end()));
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working_buffer = internal_buffer;
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}
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public:
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WriteBufferFromString(std::string & s_)
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: WriteBuffer(reinterpret_cast<Position>(&s_[0]), s_.size()), s(s_)
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{
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}
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};
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}
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