| /* |
| * Copyright (c) 2012 The WebM 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 LIBWEBM_COMMON_INDENT_H_ |
| #define LIBWEBM_COMMON_INDENT_H_ |
| |
| #include <string> |
| |
| #include "mkvmuxer/mkvmuxertypes.h" |
| |
| namespace libwebm { |
| |
| const int kIncreaseIndent = 2; |
| const int kDecreaseIndent = -2; |
| |
| // Used for formatting output so objects only have to keep track of spacing |
| // within their scope. |
| class Indent { |
| public: |
| explicit Indent(int indent); |
| |
| // Changes the number of spaces output. The value adjusted is relative to |
| // |indent_|. |
| void Adjust(int indent); |
| |
| std::string indent_str() const { return indent_str_; } |
| |
| private: |
| // Called after |indent_| is changed. This will set |indent_str_| to the |
| // proper number of spaces. |
| void Update(); |
| |
| int indent_; |
| std::string indent_str_; |
| |
| LIBWEBM_DISALLOW_COPY_AND_ASSIGN(Indent); |
| }; |
| |
| } // namespace libwebm |
| |
| #endif // LIBWEBM_COMMON_INDENT_H_ |