Coin / include / Inventor / engines / SoSubEngine.h

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kristian 534461e 
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Marius Kintel 0f732cb 
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Tom Fredrik Blen… c472387 
Morten Eriksen 5727a66 










Tom Fredrik Blen… c472387 
Morten Eriksen 5727a66 





kristian 534461e 


Marius Kintel 0f732cb 
kristian 534461e 




Marius Kintel 0f732cb 

Peder Blekken 3d96b4b 
Marius Kintel e380fd0 
Marius Kintel 0f732cb 

Morten Eriksen 5727a66 
Morten Eriksen 08431c9 
Peder Blekken 3d96b4b 








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Peder Blekken 3d96b4b 
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Peder Blekken 6682a26 
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Tom Fredrik Blen… c472387 
Lars J. Aas 5286419 
Morten Eriksen 4fafc9b 

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Peder Blekken 6682a26 
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Peder Blekken 6682a26 


Morten Eriksen 5727a66 


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Peder Blekken 6682a26 

Morten Eriksen 4fafc9b 
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Morten Eriksen 87ca625 



Peder Blekken 659acbc 





Tom Fredrik Blen… c472387 

Peder Blekken 659acbc 
Morten Eriksen 5727a66 
Peder Blekken 6d58fbb 

Morten Eriksen 87ca625 
Morten Eriksen 5727a66 
Morten Eriksen f710f1c 
Morten Eriksen 094edd2 

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Lars J. Aas 340c459 
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Morten Eriksen 225de86 
#ifndef COIN_SOSUBENGINE_H
#define COIN_SOSUBENGINE_H

/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * 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 copyright holder 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
 * HOLDER 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.
\**************************************************************************/

#include <assert.h>
#include <Inventor/SbName.h>
#include <Inventor/SoType.h>
#include <Inventor/C/tidbits.h>
#include <Inventor/engines/SoEngine.h>
#include <Inventor/engines/SoOutputData.h>
#include <Inventor/fields/SoFieldData.h>

// *************************************************************************

//
// FIXME: document macros. pederb, 20000309
//

#define PRIVATE_ENGINE_TYPESYSTEM_HEADER( ) \
public: \
  static SoType getClassTypeId(void); \
  virtual SoType getTypeId(void) const; \
private: \
  static SoType classTypeId

#define SO_ENGINE_ABSTRACT_HEADER(_classname_) \
  PRIVATE_ENGINE_TYPESYSTEM_HEADER(); \
protected: \
  static const SoFieldData ** getInputDataPtr(void); \
  static const SoEngineOutputData ** getOutputDataPtr(void); \
public: \
  virtual const SoFieldData * getFieldData(void) const; \
  virtual const SoEngineOutputData * getOutputData(void) const; \
private: \
  static unsigned int classinstances; \
  static SoFieldData * inputdata; \
  static const SoFieldData ** parentinputdata; \
  static SoEngineOutputData * outputdata; \
  static const SoEngineOutputData ** parentoutputdata; \
  static void atexit_cleanup(void)

#define SO_ENGINE_HEADER(_classname_) \
    SO_ENGINE_ABSTRACT_HEADER(_classname_); \
  public: \
    static void * createInstance(void)

// *************************************************************************

#define PRIVATE_ENGINE_TYPESYSTEM_SOURCE(_class_) \
SoType _class_::getClassTypeId(void) { return _class_::classTypeId; } \
SoType _class_::getTypeId(void) const { return _class_::classTypeId; } \
SoType _class_::classTypeId STATIC_SOTYPE_INIT

#define SO_ENGINE_ABSTRACT_SOURCE(_class_) \
PRIVATE_ENGINE_TYPESYSTEM_SOURCE(_class_); \
 \
unsigned int _class_::classinstances = 0; \
SoFieldData * _class_::inputdata = NULL; \
const SoFieldData ** _class_::parentinputdata = NULL; \
SoEngineOutputData * _class_::outputdata = NULL; \
const SoEngineOutputData ** _class_::parentoutputdata = NULL; \
 \
const SoFieldData ** \
_class_::getInputDataPtr(void) \
{ \
  return const_cast<const SoFieldData **>(&_class_::inputdata); \
} \
 \
const SoFieldData * \
_class_::getFieldData(void) const \
{ \
  return _class_::inputdata; \
} \
 \
const SoEngineOutputData ** \
_class_::getOutputDataPtr(void) \
{ \
  return const_cast<const SoEngineOutputData**>(&_class_::outputdata); \
} \
 \
const SoEngineOutputData * \
_class_::getOutputData(void) const \
{ \
  return _class_::outputdata; \
} \
 \
void \
_class_::atexit_cleanup(void) \
{ \
  delete _class_::inputdata; \
  delete _class_::outputdata; \
  _class_::inputdata = NULL; \
  _class_::outputdata = NULL; \
  _class_::parentinputdata = NULL; \
  _class_::parentoutputdata = NULL; \
  assert(_class_::classTypeId != SoType::badType()); \
  SoType::removeType(_class_::classTypeId.getName()); \
  _class_::classTypeId STATIC_SOTYPE_INIT; \
  _class_::classinstances = 0; \
}

#define SO_ENGINE_SOURCE(_class_) \
SO_ENGINE_ABSTRACT_SOURCE(_class_); \
 \
void * \
_class_::createInstance(void) \
{ \
  return new _class_; \
}

// *************************************************************************

#define SO_ENGINE_IS_FIRST_INSTANCE() \
   (classinstances == 1)

#define SO_ENGINE_CONSTRUCTOR(_class_) \
  do { \
    SoBase::staticDataLock(); \
    _class_::classinstances++; \
    /* Catch attempts to use an engine class which has not been initialized. */ \
    assert(_class_::classTypeId != SoType::badType()); \
    /* Initialize a inputdata container for the class only once. */ \
    if (!_class_::inputdata) { \
      _class_::inputdata = \
        new SoFieldData(_class_::parentinputdata ? \
                        *_class_::parentinputdata : NULL); \
      _class_::outputdata = \
        new SoEngineOutputData(_class_::parentoutputdata ? \
                               *_class_::parentoutputdata : NULL); \
    } \
    /* Extension classes from the application programmers should not be */ \
    /* considered native. This is important to get the export code to do */ \
    /* the Right Thing. */ \
    this->isBuiltIn = FALSE; \
    SoBase::staticDataUnlock(); \
  } while (0)

// *************************************************************************

#define PRIVATE_COMMON_ENGINE_INIT_CODE(_class_, _classname_, _createfunc_, _parentclass_) \
  do { \
    /* Make sure we only initialize once. */ \
    assert(_class_::classTypeId == SoType::badType()); \
    /* Make sure superclass gets initialized before subclass. */ \
    assert(_parentclass_::getClassTypeId() != SoType::badType()); \
 \
    /* Set up entry in the type system. */ \
    _class_::classTypeId = \
      SoType::createType(_parentclass_::getClassTypeId(), \
                         _classname_, \
                         _createfunc_); \
 \
    /* Store parent's data pointers for later use in the constructor. */ \
    _class_::parentinputdata = _parentclass_::getInputDataPtr(); \
    _class_::parentoutputdata = _parentclass_::getOutputDataPtr(); \
    cc_coin_atexit_static_internal \
      (reinterpret_cast<coin_atexit_f*>(_class_::atexit_cleanup));  \
  } while (0)


#define SO_ENGINE_INIT_CLASS(_class_, _parentclass_, _parentname_) \
  do { \
    const char * classname = SO__QUOTE(_class_); \
    PRIVATE_COMMON_ENGINE_INIT_CODE(_class_, classname, &_class_::createInstance, _parentclass_); \
  } while (0)

#define SO_ENGINE_INIT_ABSTRACT_CLASS(_class_, _parentclass_, _parentname_) \
  do { \
    const char * classname = SO__QUOTE(_class_); \
    PRIVATE_COMMON_ENGINE_INIT_CODE(_class_, classname, NULL, _parentclass_); \
  } while (0)

// *************************************************************************

#define SO_ENGINE_ADD_INPUT(_input_, _defaultval_) \
  do { \
    this->_input_.setValue _defaultval_;\
    this->_input_.setContainer(this); \
    inputdata->addField(this, SO__QUOTE(_input_), &this->_input_);\
  } while (0)

#define SO_ENGINE_ADD_OUTPUT(_output_, _type_) \
  do { \
    outputdata->addOutput(this, SO__QUOTE(_output_), \
                          &this->_output_, \
                          _type_::getClassTypeId()); \
    this->_output_.setContainer(this); \
  } while(0)

// *************************************************************************

#define SO_ENGINE_DEFINE_ENUM_VALUE(_enumname_, _enumval_) \
  do { \
    inputdata->addEnumValue(SO__QUOTE(_enumname_), \
                            SO__QUOTE(_enumval_), _enumval_); \
  } while (0)

#define SO_ENGINE_OUTPUT(_engineout_, _fieldtype_, _writeop_) \
  do { \
    if (_engineout_.isEnabled()) { \
      /* No fields can be added or removed during this loop, as it */ \
      /* is a "closed" operation. (The fields are disabled for */ \
      /* notification while the loop runs). */ \
      int SO_ENGINE_OUTPUT_numconnections = _engineout_.getNumConnections(); \
      /* The reason we use the perverted variable names is to */ \
      /* avoid the possibility of getting _extremely_ hard */ \
      /* to find bugs when _writeop_ contains the same variable */ \
      /* names we are using internally in the macro. */ \
      for (int SO_ENGINE_OUTPUT_i = 0; SO_ENGINE_OUTPUT_i < SO_ENGINE_OUTPUT_numconnections; SO_ENGINE_OUTPUT_i++) { \
        _fieldtype_ * SO_ENGINE_OUTPUT_field = \
           static_cast<_fieldtype_*>(_engineout_[SO_ENGINE_OUTPUT_i]); \
        if (!SO_ENGINE_OUTPUT_field->isReadOnly()) { SO_ENGINE_OUTPUT_field->_writeop_; } \
      } \
      /* paranoid assertion */ \
      assert(_engineout_.getNumConnections() == SO_ENGINE_OUTPUT_numconnections); \
    } \
  } while (0)

// *************************************************************************

#define SO_COMPOSE__HEADER(_name_) \
  SO_ENGINE_HEADER(_name_); \
  private: \
    virtual void evaluate(); \
  protected: \
    virtual ~_name_();\
  public: \
   _name_(); \
    static void initClass()

// *************************************************************************

#endif // !COIN_SOSUBENGINE_H
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