passiveprojectiontreenode.h

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/*
 | Author: Michael Schmidt;
 |         Gunnar Jehl 
 |
 | ************************* SOFTWARE LICENSE AGREEMENT ***********************
 | This source code is published under the BSD License.
 |
 | See file 'LICENSE.txt' that comes with this distribution or
 | http://dbis.informatik.uni-freiburg.de/index.php?project=GCX/license.php
 | for the full license agreement.
 |
 | 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 OWNER 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.
 | ****************************************************************************
*/

#ifndef PASSIVEPROJECTIONTREENODE_H
#define PASSIVEPROJECTIONTREENODE_H

#include "pathexpression.h"
#include "outputstreammanip.h"

using namespace std;

class PassiveProjectionTreeNode {

  public:
    PassiveProjectionTreeNode();

    PassiveProjectionTreeNode(PassiveProjectionTreeNode * _parent,
                              PathStepExpression * _label);

    virtual ~ PassiveProjectionTreeNode();

    void registerPath(PathExpression * path, unsigned pos);

    void print(OutputStream & dos);

    inline PassiveProjectionTreeNode *getParent() {
        return parent;
    } inline vector < PassiveProjectionTreeNode * >*getChildren() {
        return &children;
    }

    inline PathStepExpression *getLabel() {
        return label;
    }

  private:
    void print(OutputStream & dos, unsigned indents);

    PassiveProjectionTreeNode *parent;

    PathStepExpression *label;

    vector < PassiveProjectionTreeNode * >children;
};

#endif // PASSIVEPROJECTIONTREENODE_H

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