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/*
* Copyright 2018 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef TEST_SCENARIO_COLUMN_PRINTER_H_
#define TEST_SCENARIO_COLUMN_PRINTER_H_
#include <functional>
#include <memory>
#include <string>
#include <vector>
#include "rtc_base/strings/string_builder.h"
#include "test/logging/log_writer.h"
namespace webrtc {
namespace test {
class ColumnPrinter {
public:
ColumnPrinter(const ColumnPrinter&);
~ColumnPrinter();
static ColumnPrinter Fixed(const char* headers, std::string fields);
static ColumnPrinter Lambda(
const char* headers,
std::function<void(webrtc::SimpleStringBuilder&)> printer,
size_t max_length = 256);
protected:
friend class StatesPrinter;
const char* headers_;
std::function<void(webrtc::SimpleStringBuilder&)> printer_;
size_t max_length_;
private:
ColumnPrinter(const char* headers,
std::function<void(webrtc::SimpleStringBuilder&)> printer,
size_t max_length);
};
class StatesPrinter {
public:
StatesPrinter(std::unique_ptr<RtcEventLogOutput> writer,
std::vector<ColumnPrinter> printers);
~StatesPrinter();
StatesPrinter(const StatesPrinter&) = delete;
StatesPrinter& operator=(const StatesPrinter&) = delete;
void PrintHeaders();
void PrintRow();
private:
const std::unique_ptr<RtcEventLogOutput> writer_;
const std::vector<ColumnPrinter> printers_;
size_t buffer_size_ = 0;
std::vector<char> buffer_;
};
} // namespace test
} // namespace webrtc
#endif // TEST_SCENARIO_COLUMN_PRINTER_H_
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