blob: d5c4477bee54d682e7c3518d5e4e30b632cfd868 [file] [log] [blame]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:io' as io;
import 'package:meta/meta.dart';
abstract class Stdio {
/// Error/warning messages printed to STDERR.
void printError(String message);
/// Ordinary STDOUT messages.
void printStatus(String message);
/// Debug messages that are only printed in verbose mode.
void printTrace(String message);
/// Write string to STDOUT without trailing newline.
void write(String message);
/// Read a line of text from STDIN.
String readLineSync();
/// A logger that will print out trace messages.
class VerboseStdio extends Stdio {
@required this.stdout,
@required this.stderr,
@required this.stdin,
}) : assert(stdout != null), assert(stderr != null), assert(stdin != null);
factory VerboseStdio.local() => VerboseStdio(
stdout: io.stdout,
stderr: io.stderr,
stdin: io.stdin,
final io.Stdout stdout;
final io.Stdout stderr;
final io.Stdin stdin;
void printError(String message) {
void printStatus(String message) {
void printTrace(String message) {
void write(String message) {
String readLineSync() {
return stdin.readLineSync();