1 #ifndef COIN_SOSUBENGINE_H 
    2 #define COIN_SOSUBENGINE_H 
   28 #include <Inventor/SbName.h> 
   29 #include <Inventor/SoType.h> 
   30 #include <Inventor/C/tidbits.h> 
   31 #include <Inventor/engines/SoEngine.h> 
   32 #include <Inventor/engines/SoOutputData.h> 
   33 #include <Inventor/fields/SoFieldData.h> 
   41 #define PRIVATE_ENGINE_TYPESYSTEM_HEADER( ) \ 
   43   static SoType getClassTypeId(void); \ 
   44   virtual SoType getTypeId(void) const; \ 
   46   static SoType classTypeId 
   48 #define SO_ENGINE_ABSTRACT_HEADER(_classname_) \ 
   49   PRIVATE_ENGINE_TYPESYSTEM_HEADER(); \ 
   51   static const SoFieldData ** getInputDataPtr(void); \ 
   52   static const SoEngineOutputData ** getOutputDataPtr(void); \ 
   54   virtual const SoFieldData * getFieldData(void) const; \ 
   55   virtual const SoEngineOutputData * getOutputData(void) const; \ 
   57   static unsigned int classinstances; \ 
   58   static SoFieldData * inputdata; \ 
   59   static const SoFieldData ** parentinputdata; \ 
   60   static SoEngineOutputData * outputdata; \ 
   61   static const SoEngineOutputData ** parentoutputdata; \ 
   62   static void atexit_cleanup(void) 
   64 #define SO_ENGINE_HEADER(_classname_) \ 
   65     SO_ENGINE_ABSTRACT_HEADER(_classname_); \ 
   67     static void * createInstance(void) 
   71 #define PRIVATE_ENGINE_TYPESYSTEM_SOURCE(_class_) \ 
   72 SoType _class_::getClassTypeId(void) { return _class_::classTypeId; } \ 
   73 SoType _class_::getTypeId(void) const { return _class_::classTypeId; } \ 
   74 SoType _class_::classTypeId STATIC_SOTYPE_INIT 
   76 #define SO_ENGINE_ABSTRACT_SOURCE(_class_) \ 
   77 PRIVATE_ENGINE_TYPESYSTEM_SOURCE(_class_); \ 
   79 unsigned int _class_::classinstances = 0; \ 
   80 SoFieldData * _class_::inputdata = NULL; \ 
   81 const SoFieldData ** _class_::parentinputdata = NULL; \ 
   82 SoEngineOutputData * _class_::outputdata = NULL; \ 
   83 const SoEngineOutputData ** _class_::parentoutputdata = NULL; \ 
   85 const SoFieldData ** \ 
   86 _class_::getInputDataPtr(void) \ 
   88   return const_cast<const SoFieldData **>(&_class_::inputdata); \ 
   92 _class_::getFieldData(void) const \ 
   94   return _class_::inputdata; \ 
   97 const SoEngineOutputData ** \ 
   98 _class_::getOutputDataPtr(void) \ 
  100   return const_cast<const SoEngineOutputData**>(&_class_::outputdata); \ 
  103 const SoEngineOutputData * \ 
  104 _class_::getOutputData(void) const \ 
  106   return _class_::outputdata; \ 
  110 _class_::atexit_cleanup(void) \ 
  112   delete _class_::inputdata; \ 
  113   delete _class_::outputdata; \ 
  114   _class_::inputdata = NULL; \ 
  115   _class_::outputdata = NULL; \ 
  116   _class_::parentinputdata = NULL; \ 
  117   _class_::parentoutputdata = NULL; \ 
  118   assert(_class_::classTypeId != SoType::badType()); \ 
  119   SoType::removeType(_class_::classTypeId.getName()); \ 
  120   _class_::classTypeId STATIC_SOTYPE_INIT; \ 
  121   _class_::classinstances = 0; \ 
  124 #define SO_ENGINE_SOURCE(_class_) \ 
  125 SO_ENGINE_ABSTRACT_SOURCE(_class_); \ 
  128 _class_::createInstance(void) \ 
  130   return new _class_; \ 
  135 #define SO_ENGINE_IS_FIRST_INSTANCE() \ 
  136    (classinstances == 1) 
  138 #define SO_ENGINE_CONSTRUCTOR(_class_) \ 
  140     SoBase::staticDataLock(); \ 
  141     _class_::classinstances++; \ 
  143     assert(_class_::classTypeId != SoType::badType()); \ 
  145     if (!_class_::inputdata) { \ 
  146       _class_::inputdata = \ 
  147         new SoFieldData(_class_::parentinputdata ? \ 
  148                         *_class_::parentinputdata : NULL); \ 
  149       _class_::outputdata = \ 
  150         new SoEngineOutputData(_class_::parentoutputdata ? \ 
  151                                *_class_::parentoutputdata : NULL); \ 
  156     this->isBuiltIn = FALSE; \ 
  157     SoBase::staticDataUnlock(); \ 
  162 #define PRIVATE_COMMON_ENGINE_INIT_CODE(_class_, _classname_, _createfunc_, _parentclass_) \ 
  165     assert(_class_::classTypeId == SoType::badType()); \ 
  167     assert(_parentclass_::getClassTypeId() != SoType::badType()); \ 
  170     _class_::classTypeId = \ 
  171       SoType::createType(_parentclass_::getClassTypeId(), \ 
  176     _class_::parentinputdata = _parentclass_::getInputDataPtr(); \ 
  177     _class_::parentoutputdata = _parentclass_::getOutputDataPtr(); \ 
  178     cc_coin_atexit_static_internal \ 
  179       (reinterpret_cast<coin_atexit_f*>(_class_::atexit_cleanup));  \ 
  183 #define SO_ENGINE_INIT_CLASS(_class_, _parentclass_, _parentname_) \ 
  185     const char * classname = SO__QUOTE(_class_); \ 
  186     PRIVATE_COMMON_ENGINE_INIT_CODE(_class_, classname, &_class_::createInstance, _parentclass_); \ 
  189 #define SO_ENGINE_INIT_ABSTRACT_CLASS(_class_, _parentclass_, _parentname_) \ 
  191     const char * classname = SO__QUOTE(_class_); \ 
  192     PRIVATE_COMMON_ENGINE_INIT_CODE(_class_, classname, NULL, _parentclass_); \ 
  197 #define SO_ENGINE_ADD_INPUT(_input_, _defaultval_) \ 
  199     this->_input_.setValue _defaultval_;\ 
  200     this->_input_.setContainer(this); \ 
  201     inputdata->addField(this, SO__QUOTE(_input_), &this->_input_);\ 
  204 #define SO_ENGINE_ADD_OUTPUT(_output_, _type_) \ 
  206     outputdata->addOutput(this, SO__QUOTE(_output_), \ 
  208                           _type_::getClassTypeId()); \ 
  209     this->_output_.setContainer(this); \ 
  214 #define SO_ENGINE_DEFINE_ENUM_VALUE(_enumname_, _enumval_) \ 
  216     inputdata->addEnumValue(SO__QUOTE(_enumname_), \ 
  217                             SO__QUOTE(_enumval_), _enumval_); \ 
  220 #define SO_ENGINE_OUTPUT(_engineout_, _fieldtype_, _writeop_) \ 
  222     if (_engineout_.isEnabled()) { \ 
  226       int SO_ENGINE_OUTPUT_numconnections = _engineout_.getNumConnections(); \ 
  231       for (int SO_ENGINE_OUTPUT_i = 0; SO_ENGINE_OUTPUT_i < SO_ENGINE_OUTPUT_numconnections; SO_ENGINE_OUTPUT_i++) { \ 
  232         _fieldtype_ * SO_ENGINE_OUTPUT_field = \ 
  233            static_cast<_fieldtype_*>(_engineout_[SO_ENGINE_OUTPUT_i]); \ 
  234         if (!SO_ENGINE_OUTPUT_field->isReadOnly()) { SO_ENGINE_OUTPUT_field->_writeop_; } \ 
  237       assert(_engineout_.getNumConnections() == SO_ENGINE_OUTPUT_numconnections); \ 
  243 #define SO_COMPOSE__HEADER(_name_) \ 
  244   SO_ENGINE_HEADER(_name_); \ 
  246     virtual void evaluate(); \ 
  251     static void initClass() 
  255 #endif // !COIN_SOSUBENGINE_H 
 
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