filtered_depth_first_itr.h

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//
// Copyright (c) 2014 Limit Point Systems, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//


#ifndef FILTERED_DEPTH_FIRST_ITR_H
#define FILTERED_DEPTH_FIRST_ITR_H

#ifndef SHEAF_DLL_SPEC_H
#include "SheafSystem/sheaf_dll_spec.h"
#endif

#ifndef DEPTH_FIRST_ITR_H
#include "SheafSystem/depth_first_itr.h"
#endif

#ifndef POSET_STATE_HANDLE_H
#include "SheafSystem/poset_state_handle.h"
#endif

#ifndef STD_STACK_H
#include "SheafSystem/std_stack.h"
#endif

#ifndef SUBPOSET_H
#include "SheafSystem/subposet.h"
#endif

#ifndef TOTAL_POSET_MEMBER_H
#include "SheafSystem/total_poset_member.h"
#endif

namespace sheaf
{
  
class zn_to_bool;



template <typename T>
class SHEAF_DLL_SPEC filtered_depth_first_itr : public depth_first_itr<T>
{
  // ===========================================================
  // ===========================================================

public:

  filtered_depth_first_itr();

  filtered_depth_first_itr(const filtered_depth_first_itr& xother);

  filtered_depth_first_itr& operator=(const filtered_depth_first_itr& xother);

  ~filtered_depth_first_itr();

  // OTHER CONSTRUCTORS

  filtered_depth_first_itr(const abstract_poset_member& xanchor,
                           bool xdown,
                           bool xstrict,
                           typename depth_first_itr<T>::order_type xorder = depth_first_itr<T>::TRIORDER);

  filtered_depth_first_itr(const abstract_poset_member& xanchor,
                           const subposet& xfilter,
                           bool xdown,
                           bool xstrict,
                           typename depth_first_itr<T>::order_type xorder = depth_first_itr<T>::TRIORDER);

  filtered_depth_first_itr(const abstract_poset_member& xanchor,
                           pod_index_type xfilter_index,
                           bool xdown,
                           bool xstrict,
                           typename depth_first_itr<T>::order_type xorder = depth_first_itr<T>::TRIORDER);

  filtered_depth_first_itr(const abstract_poset_member& xanchor,
                           const scoped_index& xfilter_index,
                           bool xdown,
                           bool xstrict,
                           typename depth_first_itr<T>::order_type xorder = depth_first_itr<T>::TRIORDER);

  filtered_depth_first_itr(const abstract_poset_member& xanchor,
                           const std::string& xfilter_name,
                           bool xdown,
                           bool xstrict,
                           typename depth_first_itr<T>::order_type xorder = depth_first_itr<T>::TRIORDER);

protected:

private:



  // ===========================================================
  // ===========================================================

public:

  virtual void put_anchor(const abstract_poset_member* xanchor);

  virtual void put_anchor(pod_index_type xanchor_index);

  void put_anchor(const scoped_index& xanchor_index);

  void put_descending(bool xdescending);

  void put_strict(bool xstrict);

  void put_filter(const subposet& xfilter);

  void put_filter(const std::string& xfilter_name);

  void put_filter(pod_index_type xfilter_index);

  void put_filter(const scoped_index& xfilter_index);

protected:

private:



  // ===========================================================
  // ===========================================================

public:

  virtual bool is_ancestor_of(const any* other) const;

  virtual filtered_depth_first_itr* clone() const;

  bool invariant() const;

protected:

private:

};
 
} // namespace sheaf

#endif // ifndef FILTERED_DEPTH_FIRST_ITR_H