/home/master/UCL/VisualizationLibrary/src/vlCore/GlobalSettings.cpp

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/*  Visualization Library                                                             */
/*  http://visualizationlibrary.org                                                   */
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/*  Copyright (c) 2005-2010, Michele Bosi                                             */
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#include <vlCore/GlobalSettings.hpp>
#include <cstdlib>
#include <cstdio>

using namespace vl;

//-----------------------------------------------------------------------------
GlobalSettings::GlobalSettings()
{
  VL_DEBUG_SET_OBJECT_NAME()

  #ifndef NDEBUG
    mVerbosityLevel  = vl::VEL_VERBOSITY_NORMAL;
    mCheckOpenGLStates = true;
  #else
    mVerbosityLevel  = vl::VEL_VERBOSITY_ERROR;
    mCheckOpenGLStates = false;
  #endif

  // initialize from environment variables

  char* val = NULL;

  // log file

  val = getenv("VL_LOGFILE_PATH");
  if (val)
    mDefaultLogPath = val;
  else
    mDefaultLogPath = "log.txt";

  // data path

  val = getenv("VL_DATA_PATH");
  if (val)
    mDefaultDataPath = val;
  else
    mDefaultDataPath = "../data";

  // verbosity level

  val = getenv("VL_VERBOSITY_LEVEL");
  if (val)
  {
    if ( String(val).toUpperCase() == "SILENT")
      setVerbosityLevel(vl::VEL_VERBOSITY_SILENT);
    else
    if ( String(val).toUpperCase() == "ERROR")
      setVerbosityLevel(vl::VEL_VERBOSITY_ERROR);
    else
    if ( String(val).toUpperCase() == "NORMAL")
      setVerbosityLevel(vl::VEL_VERBOSITY_NORMAL);
    else
    if ( String(val).toUpperCase() == "DEBUG")
      setVerbosityLevel(vl::VEL_VERBOSITY_DEBUG);
    else
    {
      // no log here yet.
      fprintf(stderr,"VL_VERBOSITY_LEVEL variable has unknown value %s! Legal values: SILENT, ERROR, NORMAL, DEBUG\n\n", val);
    }
  }

  // opengl state checks

  val = getenv("VL_CHECK_GL_STATES");
  if (val)
  {
    if ( String(val).toUpperCase() == "YES" )
      setCheckOpenGLStates(true);
    else
    if ( String(val).toUpperCase() == "NO" )
      setCheckOpenGLStates(false);
    else
    {
      // no log here yet.
      fprintf(stderr,"VL_CHECK_GL_STATES variable has unknown value '%s'! Legal values: YES, NO.\n\n", val);
    }
  }
}
//-----------------------------------------------------------------------------