| // Copyright 2020 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "common.h" |
| |
| #include <iostream> |
| |
| #include "src/lib/files/file.h" |
| #include "src/lib/fxl/command_line.h" |
| |
| namespace icu_data_extractor { |
| |
| std::optional<std::string> GetOutputPath(const fxl::CommandLine& command_line) { |
| if (command_line.HasOption(kArgOutputPath)) { |
| std::string output_path_str; |
| command_line.GetOptionValue(kArgOutputPath, &output_path_str); |
| return output_path_str; |
| } |
| return std::nullopt; |
| } |
| |
| int WriteToOutputFileOrStdOut(const fxl::CommandLine& sub_command_line, |
| const std::string& contents) { |
| const auto output_path = GetOutputPath(sub_command_line); |
| if (output_path.has_value()) { |
| if (!files::WriteFile(output_path.value(), contents.c_str(), contents.length())) { |
| std::cerr << "Couldn't write to " << output_path.value() << std::endl; |
| return -1; |
| } |
| } else { |
| std::cout << contents; |
| } |
| |
| return 0; |
| } |
| |
| } // namespace icu_data_extractor |
