logging.h

Go to the documentation of this file.

/*
 * Copyright 2012 Stefan Huber
 *
 * 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
 *
 *    http:www.apache.org/licenses/LICENSE-2.0
 *
 * 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 LOGGING_H
#define LOGGING_H
 
#include <string>
 
enum loglevel {
  DEBUG,
  INFO,
  GOODNEWS,
  WARNING,
  ERROR,
  SILENCE
};
 
class logging {
 
private:
  bool lastrelog;
  loglevel minLevel;
  bool useColor;
 
  unsigned cntErrors;
  unsigned cntWarnings;
 
public:
  // Create a new logging
  logging();
 
  // Set new log level
  void setLevel(loglevel level) {
    minLevel = level;
  };
 
  // Use color or not?
  void setUsecolor(bool useColor) {
    this->useColor = useColor;
  };
 
  // Get number of warnings
  unsigned getNoWarnings() const {
    return cntWarnings;
  };
 
  // Get number of errors
  unsigned getNoErrors() const {
    return cntErrors;
  };
 
  // Log a new message in well-known printf manner
  void log(loglevel level, const char* fmt, ...);
 
  // Log a new message
  void log(loglevel level, std::string& str);
 
  // Like log(), but overwrite the last line
  void relog(loglevel level, const char* fmt, ...);
 
private:
  // Check if we print in this level
  bool doPrint(loglevel level) const;
};
#endif