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Diffstat (limited to '')
-rw-r--r-- | third_party/libwebrtc/test/scenario/column_printer.cc | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/third_party/libwebrtc/test/scenario/column_printer.cc b/third_party/libwebrtc/test/scenario/column_printer.cc new file mode 100644 index 0000000000..661c83bd0d --- /dev/null +++ b/third_party/libwebrtc/test/scenario/column_printer.cc @@ -0,0 +1,73 @@ +/* + * 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. + */ +#include "test/scenario/column_printer.h" + +namespace webrtc { +namespace test { + +ColumnPrinter::ColumnPrinter(const ColumnPrinter&) = default; +ColumnPrinter::~ColumnPrinter() = default; + +ColumnPrinter::ColumnPrinter( + const char* headers, + std::function<void(rtc::SimpleStringBuilder&)> printer, + size_t max_length) + : headers_(headers), printer_(printer), max_length_(max_length) {} + +ColumnPrinter ColumnPrinter::Fixed(const char* headers, std::string fields) { + return ColumnPrinter( + headers, [fields](rtc::SimpleStringBuilder& sb) { sb << fields; }, + fields.size()); +} + +ColumnPrinter ColumnPrinter::Lambda( + const char* headers, + std::function<void(rtc::SimpleStringBuilder&)> printer, + size_t max_length) { + return ColumnPrinter(headers, printer, max_length); +} + +StatesPrinter::StatesPrinter(std::unique_ptr<RtcEventLogOutput> writer, + std::vector<ColumnPrinter> printers) + : writer_(std::move(writer)), printers_(printers) { + RTC_CHECK(!printers_.empty()); + for (auto& printer : printers_) + buffer_size_ += printer.max_length_ + 1; + buffer_.resize(buffer_size_); +} + +StatesPrinter::~StatesPrinter() = default; + +void StatesPrinter::PrintHeaders() { + if (!writer_) + return; + writer_->Write(printers_[0].headers_); + for (size_t i = 1; i < printers_.size(); ++i) { + writer_->Write(" "); + writer_->Write(printers_[i].headers_); + } + writer_->Write("\n"); +} + +void StatesPrinter::PrintRow() { + // Note that this is run for null output to preserve side effects, this allows + // setting break points etc. + rtc::SimpleStringBuilder sb(buffer_); + printers_[0].printer_(sb); + for (size_t i = 1; i < printers_.size(); ++i) { + sb << ' '; + printers_[i].printer_(sb); + } + sb << "\n"; + if (writer_) + writer_->Write(std::string(sb.str(), sb.size())); +} +} // namespace test +} // namespace webrtc |