yaml_config_writer.h

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/*
 * Copyright (c) 2012, Willow Garage, Inc.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Willow Garage, Inc. nor the names of its
 *       contributors may be used to endorse or promote products derived from
 *       this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 */
#ifndef YAML_CONFIG_WRITER_H
#define YAML_CONFIG_WRITER_H

#include <ostream>

#include "rviz/config.h"

namespace YAML
{
class Emitter;
}

namespace rviz
{

class YamlConfigWriter
{
public:
  YamlConfigWriter();

  void writeFile( const Config& config, const QString& filename );

  QString writeString( const Config& config, const QString& filename = "data string" );

  void writeStream( const Config& config, std::ostream& out, const QString& filename = "data stream" );

  bool error();

  QString errorMessage();

private:
  void writeConfigNode( const Config& config, YAML::Emitter& emitter );

  QString message_;
  bool error_;
};

} // end namespace rviz

#endif // YAML_CONFIG_WRITER_H