print.cpp

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/*
 * OpenVINS: An Open Platform for Visual-Inertial Research
 * Copyright (C) 2018-2023 Patrick Geneva
 * Copyright (C) 2018-2023 Guoquan Huang
 * Copyright (C) 2018-2023 OpenVINS Contributors
 * Copyright (C) 2018-2019 Kevin Eckenhoff
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
#include "print.h"
 
using namespace ov_core;
 
// Need to define the static variable for everything to work
Printer::PrintLevel Printer::current_print_level = PrintLevel::INFO;
 
void Printer::setPrintLevel(const std::string &level) {
  if (level == "ALL")
    setPrintLevel(PrintLevel::ALL);
  else if (level == "DEBUG")
    setPrintLevel(PrintLevel::DEBUG);
  else if (level == "INFO")
    setPrintLevel(PrintLevel::INFO);
  else if (level == "WARNING")
    setPrintLevel(PrintLevel::WARNING);
  else if (level == "ERROR")
    setPrintLevel(PrintLevel::ERROR);
  else if (level == "SILENT")
    setPrintLevel(PrintLevel::SILENT);
  else {
    std::cout << "Invalid print level requested: " << level << std::endl;
    std::cout << "Valid levels are: ALL, DEBUG, INFO, WARNING, ERROR, SILENT" << std::endl;
    std::exit(EXIT_FAILURE);
  }
}
 
void Printer::setPrintLevel(PrintLevel level) {
  Printer::current_print_level = level;
  std::cout << "Setting printing level to: ";
  switch (current_print_level) {
  case PrintLevel::ALL:
    std::cout << "ALL";
    break;
  case PrintLevel::DEBUG:
    std::cout << "DEBUG";
    break;
  case PrintLevel::INFO:
    std::cout << "INFO";
    break;
  case PrintLevel::WARNING:
    std::cout << "WARNING";
    break;
  case PrintLevel::ERROR:
    std::cout << "ERROR";
    break;
  case PrintLevel::SILENT:
    std::cout << "SILENT";
    break;
  default:
    std::cout << std::endl;
    std::cout << "Invalid print level requested: " << level << std::endl;
    std::cout << "Valid levels are: ALL, DEBUG, INFO, WARNING, ERROR, SILENT" << std::endl;
    std::exit(EXIT_FAILURE);
  }
  std::cout << std::endl;
}
 
void Printer::debugPrint(PrintLevel level, const char location[], const char line[], const char *format, ...) {
  // Only print for the current debug level
  if (static_cast<int>(level) < static_cast<int>(Printer::current_print_level)) {
    return;
  }
 
  // Print the location info first for our debug output
  // Truncate the filename to the max size for the filepath
  if (static_cast<int>(Printer::current_print_level) <= static_cast<int>(Printer::PrintLevel::DEBUG)) {
    std::string path(location);
    std::string base_filename = path.substr(path.find_last_of("/\\") + 1);
    if (base_filename.size() > MAX_FILE_PATH_LEGTH) {
      printf("%s", base_filename.substr(base_filename.size() - MAX_FILE_PATH_LEGTH, base_filename.size()).c_str());
    } else {
      printf("%s", base_filename.c_str());
    }
    printf(":%s ", line);
  }
 
  // Print the rest of the args
  va_list args;
  va_start(args, format);
  vprintf(format, args);
  va_end(args);
}