text: /* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2011 Robert Osfield
   *
   * This library is open source and may be redistributed and/or modified under
   * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
   * (at your option) any later version.  The full license is in LICENSE file
   * included with this distribution, and on the openscenegraph.org website.
   *
   * This library 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
   * OpenSceneGraph Public License for more details.
  */
  
  #include <osgDB/StreamOperator>
  #include <osgDB/InputStream>
  
  using namespace osgDB;
  
  void InputIterator::checkStream() const
  {
      if (_in->rdstate()&_in->failbit)
      {
          OSG_NOTICE<<"InputIterator::checkStream() : _in->rdstate() "<<_in->rdstate()<<", "<<_in->failbit<<std::endl;
          OSG_NOTICE<<"                               _in->tellg() = "<<_in->tellg()<<std::endl;
          _failed = true;
      }
  }
  
  void InputIterator::readComponentArray( char* s, unsigned int numElements, unsigned int numComponentsPerElements, unsigned int componentSizeInBytes)
  {
      unsigned int size = numElements * numComponentsPerElements * componentSizeInBytes;
      if ( size>0 )
      {
          readCharArray( s, size);
  
          if (_byteSwap && componentSizeInBytes>1)
          {
              char* ptr = s;
              for(unsigned int i=0; i<numElements; ++i)
              {
                  for(unsigned int j=0; j<numComponentsPerElements; ++j)
                  {
                      osg::swapBytes( ptr, componentSizeInBytes );
                      ptr += componentSizeInBytes;
                  }
              }
          }
      }
  }
  
  void InputIterator::throwException( const std::string& msg )
  {
      if (_inputStream) _inputStream->throwException(msg);
      else OSG_WARN << msg << std::endl;
  }
  
  