mdflogstream.h

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/*
 * Copyright 2022 Ingemar Hedvall
 * SPDX-License-Identifier: MIT
 */
 
#pragma once
 
#include <sstream>
#include <string>
 
struct MdfLocation {
  int line = 0;      
  int column = 0;    
  std::string file;  
  std::string function; 
};
 
#include "mdf/mdffactory.h"
 
namespace mdf {
 
 
#define MDF_TRACE() \
  MdfLogStream({__LINE__,0,__FILE__,__func__}, \
               MdfLogSeverity::kTrace)  
#define MDF_DEBUG() \
  MdfLogStream({__LINE__,0,__FILE__,__func__}, \
               MdfLogSeverity::kDebug)  
#define MDF_INFO() \
  MdfLogStream({__LINE__,0,__FILE__,__func__}, \
               MdfLogSeverity::kInfo)  
#define MDF_ERROR() \
  MdfLogStream({__LINE__,0,__FILE__,__func__}, \
               MdfLogSeverity::kError)  
 
using MdfLogFunction1 = std::function<void(const MdfLocation &location,
  MdfLogSeverity severity, const std::string &text)>;
 
class MdfLogStream : public std::ostringstream {
 public:
  MdfLogStream(MdfLocation location, MdfLogSeverity severity);  
  ~MdfLogStream() override;                                    
 
  MdfLogStream() = delete;
  MdfLogStream(const MdfLogStream&) = delete;
  MdfLogStream(MdfLogStream&&) = delete;
  MdfLogStream& operator=(const MdfLogStream&) = delete;
  MdfLogStream& operator=(MdfLogStream&&) = delete;
 
  static void SetLogFunction1(const MdfLogFunction1& func);
  static void SetLogFunction2(const MdfLogFunction2& func);
  
 protected:
  MdfLocation location_;     
  MdfLogSeverity severity_;  
 
  virtual void LogString(const MdfLocation& location, MdfLogSeverity severity,
                         const std::string& text);
};
 
}  // namespace mdf