1 | #pragma once |
2 | |
3 | #include <IO/WriteBuffer.h> |
4 | |
5 | |
6 | /// Since HexWriteBuffer is often created in the inner loop, we'll make its buffer size small. |
7 | #define DBMS_HEX_WRITE_BUFFER_SIZE 32 |
8 | |
9 | |
10 | namespace DB |
11 | { |
12 | |
13 | /** Everything that is written into it, translates to HEX (in capital letters) and writes to another WriteBuffer. |
14 | */ |
15 | class HexWriteBuffer final : public WriteBuffer |
16 | { |
17 | protected: |
18 | char buf[DBMS_HEX_WRITE_BUFFER_SIZE]; //-V730 |
19 | WriteBuffer & out; |
20 | |
21 | void nextImpl() override; |
22 | |
23 | public: |
24 | HexWriteBuffer(WriteBuffer & out_) : WriteBuffer(buf, sizeof(buf)), out(out_) {} |
25 | ~HexWriteBuffer() override; |
26 | }; |
27 | |
28 | } |
29 | |