mirror of
https://github.com/twitter/the-algorithm.git
synced 2024-12-23 13:15:36 +00:00
ef4c5eb65e
Please note we have force-pushed a new initial commit in order to remove some publicly-available Twitter user information. Note that this process may be required in the future.
33 lines
678 B
C++
33 lines
678 B
C++
#pragma once
|
|
|
|
#include <string>
|
|
#include <cstdlib>
|
|
#include <unistd.h>
|
|
#include <stdexcept>
|
|
#include <inttypes.h>
|
|
#include <stdint.h>
|
|
|
|
namespace twml {
|
|
class BlockFormatReader {
|
|
private:
|
|
int record_size_;
|
|
long block_pos_;
|
|
long block_end_;
|
|
char classname_[1024];
|
|
|
|
int read_one_record_size();
|
|
int read_int();
|
|
int consume_marker(int scan);
|
|
int unpack_varint_i32();
|
|
int unpack_tag_and_wiretype(uint32_t *tag, uint32_t *wiretype);
|
|
int unpack_string(char *out, uint64_t max_out_len);
|
|
|
|
public:
|
|
BlockFormatReader();
|
|
bool next();
|
|
uint64_t current_size() const { return record_size_; }
|
|
|
|
virtual uint64_t read_bytes(void *dest, int size, int count) = 0;
|
|
};
|
|
}
|