/vqdr/trunk

using Posix;

/*

 * Public Domain.

 */

namespace Vee {

  /**

   * This is a cheap logger, do not use for production code,

   * it is only for targets where GLib is not available.

   *

   * Use GLib's logging capabilities instead.

   */

  public class Logger {

    private const string STR_ERROR = "[ERROR]: ";

    private const string STR_INFO = "[INFO]: ";

    private unowned FILE out_file;

    private static Logger logger = null;

    public Logger (FILE out_file) {

      this.out_file = out_file;

    }

    public static Logger get_default () {

      if (logger == null) {

         Logger.logger = new Logger (Posix.stdout);

      }

      return logger;

    }

    public static void set_default (Logger logger) {

      Logger.logger = logger;

    }

    public void error (string str, ...) {

      out_file.printf (STR_ERROR);

      out_file.printf (str, va_list());

    }

    public void info (string str, ...) {

      out_file.printf (STR_INFO);

      out_file.printf (str, va_list());

    }

    public static void free_default () {

      Posix.free(Logger.logger);

    }

  }

}