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// Copyright Vespa.ai. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#pragma once
#include "string.h"
#include "taintable.h"
#include "line_reader.h"
#include <vespa/vespalib/io/mapped_file_input.h>
#include <vespa/vespalib/data/input_reader.h>
namespace vbench {
/**
* Read non-empty lines from an input file. This class is implemented
* in terms of the MappedFileInput and LineReader classes.
**/
class InputFileReader : public Taintable
{
private:
vespalib::MappedFileInput _file;
LineReader _lines;
Taint _taint;
public:
InputFileReader(const string &name);
~InputFileReader();
/**
* Read a single line from the input file and put it into
* 'dst'. Empty lines and '\r' directly before '\n' will be
* ignored. Lines are terminated by '\n' or EOF.
*
* @return true if dst is non-empty
* @param dst place to put read line
**/
bool readLine(string &dst);
const Taint &tainted() const override { return _taint; }
};
} // namespace vbench
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