1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef AAPT_TEXT_PRINTER_H
18#define AAPT_TEXT_PRINTER_H
19
20#include "android-base/macros.h"
21#include "androidfw/StringPiece.h"
22
23#include "io/Io.h"
24
25namespace aapt {
26namespace text {
27
28// An indenting Printer that helps write formatted text to the OutputStream.
29class Printer {
30 public:
31  explicit Printer(::aapt::io::OutputStream* out) : out_(out) {
32  }
33
34  Printer& Print(const ::android::StringPiece& str);
35  Printer& Println(const ::android::StringPiece& str);
36  Printer& Println();
37
38  void Indent();
39  void Undent();
40
41 private:
42  DISALLOW_COPY_AND_ASSIGN(Printer);
43
44  ::aapt::io::OutputStream* out_;
45  int indent_level_ = 0;
46  bool needs_indent_ = false;
47  bool error_ = false;
48};
49
50}  // namespace text
51}  // namespace aapt
52
53#endif  // AAPT_TEXT_PRINTER_H
54