OMKIAccessRule.cpp

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/************************************************************************/
/* This file is part of openMask(c) INRIA, CNRS, Universite de Rennes 1 */
/* 1993-2002, thereinafter the Software                                 */
/*                                                                      */
/* The Software has been developped within the Siames Project.          */
/* INRIA, the University of Rennes 1 and CNRS jointly hold intellectual */
/* property rights                                                      */
/*                                                                      */
/* The Software has been registered with the Agence pour la Protection  */
/* des Programmes (APP) under registration number                       */
/* IDDN.FR.001.510008.00.S.P.2001.000.41200                             */
/*                                                                      */
/* This file may be distributed under the terms of the Q Public License */
/* version 1.0 as defined by Trolltech AS of Norway and appearing in    */
/* the file LICENSE.QPL included in the packaging of this file.         */
/*                                                                      */
/* Licensees holding valid specific licenses issued by INRIA, CNRS or   */
/* Universite Rennes 1 for the software may use this file in            */
/* acordance with that specific license                                 */
/************************************************************************/
                
#include "OMKIAccessRule.h"
#include "OMKParametersAccessor.inl"

using namespace OMK ;
using namespace OMK::Iii ;
using namespace OMK::Type ;

IAccessRule::IAccessRule( const ConfigurationParameterDescriptor* node )
: _defaultLevel(),
  _currentLevel(),
  _freezableLevel( -1 ),
  _freezableType( UNFREEZABLE )
{
  // read the acces type
  std::map< std::string, FreezableType > mapping ;
  mapping[ "unfreezable"             ] = UNFREEZABLE ;
  mapping[ "freezable at tool level" ] = FREEZABLE_AT_TOOL_LEVEL ;
  mapping[ "freezable at any level"  ] = FREEZABLE_AT_ANY_LEVEL ;
  ParametersAccessor::get( node, "FreezableType", _freezableType, mapping ) ;

  // if necessary read the max level
  if( FREEZABLE_AT_ANY_LEVEL == _freezableType ) 
    ParametersAccessor::get( node, "FreezableLevel", _freezableLevel ) ;

  // acces level for default group
  _defaultLevel[ "*" ] = -1 ;
  // try to find one in the parameters
  ParametersAccessor::get( node, "AccessLevels", _defaultLevel ) ;
  // copy the default in the current to start
  _currentLevel = _defaultLevel ;
}

//-----------------------------------------------------------------------------
IAccessRule::~IAccessRule()
{
}

//-----------------------------------------------------------------------------
AccessLevel IAccessRule::getAccessLevel( const Name& name ) const 
{
  AccessGroupLevel::const_iterator item = _currentLevel.find( name ) ;
  if( item == _currentLevel.end() )
  {
    item = _currentLevel.find( "*" ) ;
  }
  return ( item != _currentLevel.end() ) ? item->second : -1  ;
}

//-----------------------------------------------------------------------------
bool IAccessRule::isAccessGranted( AccessLevel level, const Name& group ) const 
{ 
  return getAccessLevel( group ) <= level ; 
}

//-----------------------------------------------------------------------------
void IAccessRule::resetCurrentLevel() 
{
  _currentLevel = _defaultLevel ;
}

//========================================================================

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