PluginFunctionsIterator.cc

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//=============================================================================
//
//  Plugin Functions
//
//=============================================================================

#include <OpenFlipper/common/Types.hh>

#include "PluginFunctions.hh"

namespace PluginFunctions {


ObjectIterator::ObjectIterator( IteratorRestriction _restriction , DataType _dataType):
    pos_(0),
    dataType_(_dataType),
    restriction_(_restriction)
{


  // Start at the root Node
  BaseObject* currentPos = objectRoot();

  // Take the first element which is an baseObjectData
  proceedToNextBaseObjectData(currentPos);

  while ( (currentPos != objectRoot()) ) {

    // Return only target objects if requested
    if ( (restriction_ == TARGET_OBJECTS) && (! currentPos->target() ) ) {
      proceedToNextBaseObjectData(currentPos);
      continue;
    }

    // Return only source objects if requested
    if ( (restriction_ == SOURCE_OBJECTS) && (! currentPos->source() ) ) {
      proceedToNextBaseObjectData(currentPos);
      continue;
    }

    // Return only the right dataType
    if ( _dataType != DATA_ALL )
      if ( ! (currentPos->dataType( dataType_ ) ) ) {
        proceedToNextBaseObjectData(currentPos);
        continue;
      }

    // found a valid object
    pos_ = dynamic_cast<BaseObjectData* > (currentPos);
    break;
  }
}

ObjectIterator::ObjectIterator(BaseObjectData* pos, IteratorRestriction _restriction , DataType _data) :
        pos_(pos),
        dataType_(_data),
        restriction_(_restriction)
{
};


bool ObjectIterator::operator==( const ObjectIterator& _rhs) const {
   return ( _rhs.pos_ == pos_ );
}

bool ObjectIterator::operator!=( const ObjectIterator& _rhs) const {
   return ( _rhs.pos_ != pos_ );
}


ObjectIterator::pointer ObjectIterator::operator->(){
   return pos_;
}

ObjectIterator& ObjectIterator::operator++() {

  // Convert our pointer to the basic one
  BaseObject* currentPos = dynamic_cast< BaseObject* >(pos_);

  // Get the next objectData element in the tree
  proceedToNextBaseObjectData(currentPos);

  while ( (currentPos != objectRoot() ) ) {

    // Return only target objects if requested
    if ( (restriction_ == TARGET_OBJECTS) && (! currentPos->target() ) ) {
      proceedToNextBaseObjectData(currentPos);
      continue;
    }

    // Return only source objects if requested
    if ( (restriction_ == SOURCE_OBJECTS) && (! currentPos->source() ) ) {
      proceedToNextBaseObjectData(currentPos);
      continue;
    }

    // Return only the right dataType
    if ( ! (currentPos->dataType( dataType_ ) ) ) {
      proceedToNextBaseObjectData(currentPos);
      continue;
    }

    // found a valid object
    pos_ = dynamic_cast<BaseObjectData* > (currentPos);
    return *this;
  }

  // No valid object found
  pos_ = 0;
  return *this;
}

ObjectIterator& ObjectIterator::operator--() {
   std::cerr << "TODO :--" << std::endl;
   return *this;
}

BaseObjectData* ObjectIterator::operator*() {
   return pos_;
}

ObjectIterator objectsEnd() {
   return ObjectIterator(0);
}

void ObjectIterator::proceedToNextBaseObjectData(BaseObject*& _object) {

  _object = _object->next();

  // Go through the tree and stop at the root node or if we found a baseObjectData Object
  while ( (_object != objectRoot()) && !dynamic_cast<BaseObjectData* > (_object)  )
     _object = _object->next();
}



}