text: /*
    Copyright 2009 Larry Gritz and the other authors and contributors.
    All Rights Reserved.
  
    Redistribution and use in source and binary forms, with or without
    modification, are permitted provided that the following conditions are
    met:
    * Redistributions of source code must retain the above copyright
      notice, this list of conditions and the following disclaimer.
    * Redistributions in binary form must reproduce the above copyright
      notice, this list of conditions and the following disclaimer in the
      documentation and/or other materials provided with the distribution.
    * Neither the name of the software's owners nor the names of its
      contributors may be used to endorse or promote products derived from
      this software without specific prior written permission.
    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
    (This is the Modified BSD License)
  */
  
  #include <cstdio>
  #include <cstdlib>
  #include <cstdarg>
  #include <iostream>
  #include <string>
  
  #include "strutil.h"
  #include "errorhandler.h"
  #include "thread.h"
  
  
  
  OIIO_NAMESPACE_ENTER
  {
  
  
  
  namespace {
  static ErrorHandler default_handler_instance;
  static mutex err_mutex;
  };
  
  
  ErrorHandler &
  ErrorHandler::default_handler ()
  {
      return default_handler_instance;
  }
  
  
  
  void
  ErrorHandler::vInfo (const char *format, va_list argptr)
  {
      if (verbosity() >= VERBOSE) {
          std::string msg = Strutil::vformat (format, argptr);
          (*this) (EH_INFO, msg);
      }
  }
  
  
  void
  ErrorHandler::vWarning (const char *format, va_list argptr)
  {
      if (verbosity() >= NORMAL) {
          std::string msg = Strutil::vformat (format, argptr);
          (*this) (EH_WARNING, msg);
      }
  }
  
  
  void
  ErrorHandler::vError (const char *format, va_list argptr)
  {
      std::string msg = Strutil::vformat (format, argptr);
      (*this) (EH_ERROR, msg);
  }
  
  
  void
  ErrorHandler::vSevere (const char *format, va_list argptr)
  {
      std::string msg = Strutil::vformat (format, argptr);
      (*this) (EH_SEVERE, msg);
  }
  
  
  void
  ErrorHandler::vMessage (const char *format, va_list argptr)
  {
      if (verbosity() > QUIET) {
          std::string msg = Strutil::vformat (format, argptr);
          (*this) (EH_MESSAGE, msg);
      }
  }
  
  
  #ifndef NDEBUG
  void
  ErrorHandler::vDebug (const char *format, va_list argptr)
  {
      if (verbosity() > QUIET) {
          std::string msg = Strutil::vformat (format, argptr);
          (*this) (EH_MESSAGE, msg);
      }
  }
  #endif
  
  
  
  void
  ErrorHandler::info (const char *format, ...)
  {
      if (verbosity() >= VERBOSE) {
          va_list argptr;
          va_start (argptr, format);
          vInfo (format, argptr);
          va_end (argptr);
      }
  }
  
  
  void
  ErrorHandler::warning (const char *format, ...)
  {
      if (verbosity() >= NORMAL) {
          va_list argptr;
          va_start (argptr, format);
          vWarning (format, argptr);
          va_end (argptr);
      }
  }
  
  
  void
  ErrorHandler::error (const char *format, ...)
  {
      va_list argptr;
      va_start (argptr, format);
      vError (format, argptr);
      va_end (argptr);
  }
  
  
  void
  ErrorHandler::severe (const char *format, ...)
  {
      va_list argptr;
      va_start (argptr, format);
      vSevere (format, argptr);
      va_end (argptr);
  }
  
  
  void
  ErrorHandler::message (const char *format, ...)
  {
      if (verbosity() > QUIET) {
          va_list argptr;
          va_start (argptr, format);
          vMessage (format, argptr);
          va_end (argptr);
      }
  }
  
  
  
  #ifndef NDEBUG
  void
  ErrorHandler::debug (const char *format, ...)
  {
      if (verbosity() > QUIET) {
          va_list argptr;
          va_start (argptr, format);
          vDebug (format, argptr);
          va_end (argptr);
      }
  }
  #endif
  
  
  
  void
  ErrorHandler::operator() (int errcode, const std::string &msg)
  {
      lock_guard guard (err_mutex);
      switch (errcode & 0xffff0000) {
      case EH_INFO :
          if (verbosity() >= VERBOSE)
              fprintf (stdout, "INFO: %s\n", msg.c_str());
          break;
      case EH_WARNING :
          if (verbosity() >= NORMAL)
              fprintf (stderr, "WARNING: %s\n", msg.c_str());
          break;
      case EH_ERROR :
          fprintf (stderr, "ERROR: %s\n", msg.c_str());
          break;
      case EH_SEVERE :
          fprintf (stderr, "SEVERE ERROR: %s\n", msg.c_str());
          break;
      case EH_DEBUG :
  #ifdef NDEBUG
          break;
  #endif
      default :
          if (verbosity() > QUIET)
              fprintf (stdout, "%s", msg.c_str());
          break;
      }
      fflush (stdout);
      fflush (stderr);
  }
  
  }
  OIIO_NAMESPACE_EXIT
  