PluginFunctionsIterator.cc 6.75 KB
Newer Older
1
/*===========================================================================*\
Jan Möbius's avatar
Jan Möbius committed
2 3
*                                                                            *
*                              OpenFlipper                                   *
Martin Schultz's avatar
Martin Schultz committed
4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. 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.   *
 *                                                                           *
 * 3. 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.              *
Jan Möbius's avatar
Jan Möbius committed
39
*                                                                            *
40 41
\*===========================================================================*/

Jan Möbius's avatar
Jan Möbius committed
42 43 44 45 46 47 48 49 50 51 52 53 54 55

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

#include <OpenFlipper/common/Types.hh>

#include "PluginFunctions.hh"

namespace PluginFunctions {


Jan Möbius's avatar
Jan Möbius committed
56 57 58 59 60
ObjectIterator::ObjectIterator( IteratorRestriction _restriction , DataType _dataType):
    pos_(0),
    dataType_(_dataType),
    restriction_(_restriction)
{
Jan Möbius's avatar
Jan Möbius committed
61 62 63


  // Start at the root Node
Jan Möbius's avatar
Jan Möbius committed
64
  BaseObject* currentPos = objectRoot();
Jan Möbius's avatar
Jan Möbius committed
65

Jan Möbius's avatar
Jan Möbius committed
66 67
  // Take the first element which is an baseObjectData
  proceedToNextBaseObjectData(currentPos);
Jan Möbius's avatar
Jan Möbius committed
68 69 70 71 72

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

    // Return only target objects if requested
    if ( (restriction_ == TARGET_OBJECTS) && (! currentPos->target() ) ) {
Jan Möbius's avatar
Jan Möbius committed
73
      proceedToNextBaseObjectData(currentPos);
Jan Möbius's avatar
Jan Möbius committed
74 75 76 77 78
      continue;
    }

    // Return only source objects if requested
    if ( (restriction_ == SOURCE_OBJECTS) && (! currentPos->source() ) ) {
Jan Möbius's avatar
Jan Möbius committed
79
      proceedToNextBaseObjectData(currentPos);
Jan Möbius's avatar
Jan Möbius committed
80 81 82 83 84 85
      continue;
    }

    // Return only the right dataType
    if ( _dataType != DATA_ALL )
      if ( ! (currentPos->dataType( dataType_ ) ) ) {
Jan Möbius's avatar
Jan Möbius committed
86
        proceedToNextBaseObjectData(currentPos);
Jan Möbius's avatar
Jan Möbius committed
87 88 89 90 91 92 93 94 95
        continue;
      }

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

Jan Möbius's avatar
Jan Möbius committed
96 97 98 99
ObjectIterator::ObjectIterator(BaseObjectData* pos, IteratorRestriction _restriction , DataType _data) :
        pos_(pos),
        dataType_(_data),
        restriction_(_restriction)
Jan Möbius's avatar
Jan Möbius committed
100 101 102 103
{
};


104
bool ObjectIterator::operator==( const ObjectIterator& _rhs) const {
Jan Möbius's avatar
Jan Möbius committed
105 106 107
   return ( _rhs.pos_ == pos_ );
}

108
bool ObjectIterator::operator!=( const ObjectIterator& _rhs) const {
Jan Möbius's avatar
Jan Möbius committed
109 110 111 112
   return ( _rhs.pos_ != pos_ );
}

ObjectIterator& ObjectIterator::operator=( const ObjectIterator& _rhs) {
113 114 115
   pos_         = _rhs.pos_;
   dataType_    = _rhs.dataType_;
   restriction_ = _rhs.restriction_;
Jan Möbius's avatar
Jan Möbius committed
116 117 118 119 120 121 122 123 124 125 126 127 128
   return *this;
}


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

ObjectIterator& ObjectIterator::operator++() {

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

Jan Möbius's avatar
Jan Möbius committed
129 130
  // Get the next objectData element in the tree
  proceedToNextBaseObjectData(currentPos);
131

Jan Möbius's avatar
Jan Möbius committed
132 133 134 135
  while ( (currentPos != objectRoot() ) ) {

    // Return only target objects if requested
    if ( (restriction_ == TARGET_OBJECTS) && (! currentPos->target() ) ) {
Jan Möbius's avatar
Jan Möbius committed
136
      proceedToNextBaseObjectData(currentPos);
Jan Möbius's avatar
Jan Möbius committed
137 138 139 140 141
      continue;
    }

    // Return only source objects if requested
    if ( (restriction_ == SOURCE_OBJECTS) && (! currentPos->source() ) ) {
Jan Möbius's avatar
Jan Möbius committed
142
      proceedToNextBaseObjectData(currentPos);
Jan Möbius's avatar
Jan Möbius committed
143 144 145 146 147
      continue;
    }

    // Return only the right dataType
    if ( ! (currentPos->dataType( dataType_ ) ) ) {
Jan Möbius's avatar
Jan Möbius committed
148
      proceedToNextBaseObjectData(currentPos);
Jan Möbius's avatar
Jan Möbius committed
149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176
      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;
}

/** This operator returns a pointer to the current object the iterator
 * points to.
 *
 * @return Pointer to the current ObjectData
 */
BaseObjectData* ObjectIterator::operator*() {
   return pos_;
}

/// Return Iterator to Object End
Jan Möbius's avatar
 
Jan Möbius committed
177
ObjectIterator objectsEnd() {
Jan Möbius's avatar
Jan Möbius committed
178
   return ObjectIterator(0);
Jan Möbius's avatar
Jan Möbius committed
179 180 181 182 183 184 185 186 187 188
}

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();
}
Jan Möbius's avatar
Jan Möbius committed
189 190 191 192



}