itkStdStreamLogOutput.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef itkStdStreamLogOutput_h
#define itkStdStreamLogOutput_h
 
#include <iostream>
#include <string>
 
#include <mutex>
#include "itkLogOutput.h"
 
namespace itk
{
class ITKCommon_EXPORT StdStreamLogOutput : public LogOutput
{
public:
  using Self = StdStreamLogOutput;
  using Superclass = LogOutput;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  using StreamType = std::ostream;
 
  using StreamPointerType = std::ostream *;
 
  itkOverrideGetNameOfClassMacro(StdStreamLogOutput);
 
  itkNewMacro(StdStreamLogOutput);
 
  itkGetConstMacro(Stream, StreamPointerType);
 
  void
  SetStream(StreamType & Stream);
 
  void
  Flush() override;
 
  void
  Write(double timestamp) override;
 
  void
  Write(std::string const & content) override;
 
  void
  Write(std::string const & content, double timestamp) override;
 
protected:
  StdStreamLogOutput();
 
  ~StdStreamLogOutput() override;
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
private:
  StreamPointerType m_Stream{};
 
  std::mutex m_Mutex{};
};
} // namespace itk
 
#endif // itkStdStreamLogOutput_h