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/*
* 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_