SymbolList.h

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//
// File: SymbolList.h
// Created by: Julien Dutheil
// Created on: Fri Apr 9 2005
//

/*
Copyright or © or Copr. Bio++ Development Team, (November 17, 2004)

This software is a computer program whose purpose is to provide classes
for sequences analysis.

This software is governed by the CeCILL  license under French law and
abiding by the rules of distribution of free software.  You can  use, 
modify and/ or redistribute the software under the terms of the CeCILL
license as circulated by CEA, CNRS and INRIA at the following URL
"http://www.cecill.info". 

As a counterpart to the access to the source code and  rights to copy,
modify and redistribute granted by the license, users are provided only
with a limited warranty  and the software's author,  the holder of the
economic rights,  and the successive licensors  have only  limited
liability. 

In this respect, the user's attention is drawn to the risks associated
with loading,  using,  modifying and/or developing or reproducing the
software by the user in light of its specific status of free software,
that may mean  that it is complicated to manipulate,  and  that  also
therefore means  that it is reserved for developers  and  experienced
professionals having in-depth computer knowledge. Users are therefore
encouraged to load and test the software's suitability as regards their
requirements in conditions enabling the security of their systems and/or 
data to be ensured and,  more generally, to use and operate it in the 
same conditions as regards security. 

The fact that you are presently reading this means that you have had
knowledge of the CeCILL license and that you accept its terms.
*/

#ifndef _SYMBOLLIST_H_
#define _SYMBOLLIST_H_

#include "Alphabet/Alphabet.h"
#include <Bpp/Clonable.h>

// From the STL:
#include <string>
#include <vector>
#include <algorithm>
#include <iostream>

namespace bpp
{

  class SymbolList: 
    public virtual Clonable
  {

  public: 
#ifndef NO_VIRTUAL_COV
    SymbolList* clone() const = 0;
#endif

    // Class destructor
    virtual ~SymbolList() {}

  public:

    virtual const Alphabet* getAlphabet() const = 0;

    virtual size_t size() const = 0;

    virtual const std::vector<int>& getContent() const = 0;

    virtual void setContent(const std::vector<int>& list) throw (BadIntException) = 0;

    virtual void setContent(const std::vector<std::string>& list) throw (BadCharException) = 0;

    virtual std::string toString() const = 0;

    virtual void addElement(const std::string& c) throw (BadCharException) = 0;

    virtual void addElement(size_t pos, const std::string& c) throw (BadCharException, IndexOutOfBoundsException) = 0;

    virtual void setElement(size_t pos, const std::string& c) throw (BadCharException, IndexOutOfBoundsException) = 0;

    virtual void deleteElement(size_t pos) throw (IndexOutOfBoundsException) = 0;

    virtual void deleteElements(size_t pos, size_t len) throw (IndexOutOfBoundsException) = 0;


    virtual std::string getChar(size_t pos) const throw (IndexOutOfBoundsException) = 0;

    virtual void addElement(int v) throw (BadIntException) = 0;

    virtual void addElement(size_t pos, int v) throw (BadIntException, IndexOutOfBoundsException) = 0;

    virtual void setElement(size_t pos, int v) throw (BadIntException, IndexOutOfBoundsException) = 0;

    virtual int getValue(size_t pos) const throw (IndexOutOfBoundsException) = 0;

    virtual const int& operator[](size_t i) const = 0;
    virtual int& operator[](size_t i) = 0;

    virtual void shuffle() = 0;
  };


  class BasicSymbolList: 
    public virtual SymbolList
  {

  private:
    const Alphabet* alphabet_;

  protected:
    std::vector<int> content_;

  public: 
    BasicSymbolList(const Alphabet* alpha) : alphabet_(alpha), content_() {}

    BasicSymbolList(const std::vector<std::string>& list, const Alphabet* alpha) throw (BadCharException);

    BasicSymbolList(const std::vector<int>& list, const Alphabet* alpha) throw (BadIntException);

    BasicSymbolList(const SymbolList& list);

    BasicSymbolList(const BasicSymbolList& list);

    BasicSymbolList& operator=(const SymbolList& list);

    BasicSymbolList& operator=(const BasicSymbolList& list);

#ifdef NO_VIRTUAL_COV
    Clonable*
#else
    BasicSymbolList*
#endif
    clone() const { return new BasicSymbolList(* this); }
    // Class destructor
    virtual ~BasicSymbolList() {}

  public:

    virtual const Alphabet* getAlphabet() const { return alphabet_; }

    virtual size_t size() const { return static_cast<size_t>(content_.size()); }

    virtual const std::vector<int>& getContent() const { return content_; }
    
    virtual void setContent(const std::vector<int>& list) throw (BadIntException);

    virtual void setContent(const std::vector<std::string>& list) throw (BadCharException);

    virtual std::string toString() const;

    virtual void addElement(const std::string& c) throw (BadCharException);

    virtual void addElement(size_t pos, const std::string& c) throw (BadCharException, IndexOutOfBoundsException);

    virtual void setElement(size_t pos, const std::string& c) throw (BadCharException, IndexOutOfBoundsException);

    virtual void deleteElement(size_t pos) throw (IndexOutOfBoundsException);
    
    virtual void deleteElements(size_t pos, size_t len) throw (IndexOutOfBoundsException);

    virtual std::string getChar(size_t pos) const throw (IndexOutOfBoundsException);

    virtual void addElement(int v) throw (BadIntException);

    virtual void addElement(size_t pos, int v) throw (BadIntException, IndexOutOfBoundsException);

    virtual void setElement(size_t pos, int v) throw (BadIntException, IndexOutOfBoundsException);

    virtual int getValue(size_t pos) const throw (IndexOutOfBoundsException);

    virtual const int& operator[](size_t i) const { return content_[i]; }
    
    virtual int& operator[](size_t i) { return content_[i]; }

    virtual void shuffle()
    {
      random_shuffle(content_.begin(), content_.end());
    }
  };

  class SymbolListEditionEvent
  {
  private:
    SymbolList* list_;

  public:
    SymbolListEditionEvent(SymbolList* list):
      list_(list) {}

    SymbolListEditionEvent(const SymbolListEditionEvent& slee): list_(slee.list_) {}
    
    SymbolListEditionEvent& operator=(const SymbolListEditionEvent& slee) { 
      list_ = slee.list_;
      return *this;
    }

    virtual ~SymbolListEditionEvent() {}

  public:
    virtual SymbolList* getSymbolList() { return list_; }
    virtual const SymbolList* getSymbolList() const { return list_; }
  };


  class SymbolListInsertionEvent:
    public SymbolListEditionEvent
  {
  private:
    size_t pos_;
    size_t len_;

  public:
    SymbolListInsertionEvent(SymbolList* list, size_t pos, size_t len):
      SymbolListEditionEvent(list), pos_(pos), len_(len) {}

  public:
    virtual size_t getPosition() const { return pos_; }
    virtual size_t getLength() const { return len_; }
  };


  class SymbolListDeletionEvent:
    public SymbolListEditionEvent
  {
  private:
    size_t pos_;
    size_t len_;

  public:
    SymbolListDeletionEvent(SymbolList* list, size_t pos, size_t len):
      SymbolListEditionEvent(list), pos_(pos), len_(len) {}

  public:
    virtual size_t getPosition() const { return pos_; }
    virtual size_t getLength() const { return len_; }
  };


  class SymbolListSubstitutionEvent:
    public SymbolListEditionEvent
  {
  private:
    size_t begin_;
    size_t end_;

  public:
    SymbolListSubstitutionEvent(SymbolList* list, size_t begin, size_t end) :
      SymbolListEditionEvent(list), begin_(begin), end_(end) {}

  public:
    virtual size_t getBegin() const { return begin_; }
    virtual size_t getEnd() const { return end_; }
  };

  class SymbolListListener :
    public virtual Clonable
  {
  public:
    virtual ~SymbolListListener() {}

#ifndef NO_VIRTUAL_COV
    virtual SymbolListListener* clone() const = 0;
#endif

  public:
    virtual bool isRemovable() const = 0;
    virtual bool isShared() const = 0;
    virtual void beforeSequenceChanged(const SymbolListEditionEvent& event) = 0;
    virtual void afterSequenceChanged(const SymbolListEditionEvent& event) = 0;
    virtual void beforeSequenceInserted(const SymbolListInsertionEvent& event) = 0;
    virtual void afterSequenceInserted(const SymbolListInsertionEvent& event) = 0;
    virtual void beforeSequenceDeleted(const SymbolListDeletionEvent& event) = 0;
    virtual void afterSequenceDeleted(const SymbolListDeletionEvent& event) = 0;
    virtual void beforeSequenceSubstituted(const SymbolListSubstitutionEvent& event) = 0;
    virtual void afterSequenceSubstituted(const SymbolListSubstitutionEvent& event) = 0;
  };


  class EdSymbolList: 
    public virtual SymbolList
  {

  private:
    const Alphabet* alphabet_;

    bool propagateEvents_;

  protected:
    std::vector<int> content_;

    std::vector<SymbolListListener*> listeners_;


  public: 
    EdSymbolList(const Alphabet* alpha) : alphabet_(alpha), propagateEvents_(true), content_(), listeners_() {}

    EdSymbolList(const std::vector<std::string>& list, const Alphabet* alpha) throw (BadCharException);

    EdSymbolList(const std::vector<int>& list, const Alphabet* alpha) throw (BadIntException);

    EdSymbolList(const SymbolList& list);

    EdSymbolList(const EdSymbolList& list);

    EdSymbolList& operator=(const SymbolList& list);

    EdSymbolList& operator=(const EdSymbolList& list);

#ifdef NO_VIRTUAL_COV
    Clonable*
#else
    EdSymbolList*
#endif
    clone() const { return new EdSymbolList(* this); }
    // Class destructor
    virtual ~EdSymbolList()
    {
      for (size_t i = 0; i < listeners_.size(); ++i) {
        if (listeners_[i] && !listeners_[i]->isShared()) {
          delete listeners_[i];
        }
      }
    }

  public:

    virtual const Alphabet* getAlphabet() const { return alphabet_; }

    virtual size_t size() const { return static_cast<size_t>(content_.size()); }

    virtual const std::vector<int>& getContent() const { return content_; }
    
    virtual void setContent(const std::vector<int>& list) throw (BadIntException);

    virtual void setContent(const std::vector<std::string>& list) throw (BadCharException);

    virtual std::string toString() const;

    virtual void addElement(const std::string& c) throw (BadCharException);

    virtual void addElement(size_t pos, const std::string& c) throw (BadCharException, IndexOutOfBoundsException);

    virtual void setElement(size_t pos, const std::string& c) throw (BadCharException, IndexOutOfBoundsException);

    virtual void deleteElement(size_t pos) throw (IndexOutOfBoundsException);
    
    virtual void deleteElements(size_t pos, size_t len) throw (IndexOutOfBoundsException);

    virtual std::string getChar(size_t pos) const throw (IndexOutOfBoundsException);

    virtual void addElement(int v) throw (BadIntException);

    virtual void addElement(size_t pos, int v) throw (BadIntException, IndexOutOfBoundsException);

    virtual void setElement(size_t pos, int v) throw (BadIntException, IndexOutOfBoundsException);

    virtual int getValue(size_t pos) const throw (IndexOutOfBoundsException);

    virtual const int& operator[](size_t i) const { return content_[i]; }
    
    virtual int& operator[](size_t i) { return content_[i]; }

    virtual void shuffle()
    {
      random_shuffle(content_.begin(), content_.end());
    }

    virtual size_t getNumberOfListeners() const { return listeners_.size(); }

    virtual const SymbolListListener& getListener(size_t i) const {
      if (listeners_[i] == 0) std::cout << "aie!!!" << std::endl;
      return *listeners_[i];
    }
    
    virtual SymbolListListener& getListener(size_t i) { 
      if (listeners_[i] == 0) std::cout << "aie!!!" << std::endl;
      return *listeners_[i];
    }

    virtual void addSymbolListListener(SymbolListListener* listener) { 
      listeners_.push_back(listener);
    }

    virtual void removeSymbolListListener(SymbolListListener* listener) {
      if (listener->isRemovable())
        listeners_.erase(remove(listeners_.begin(), listeners_.end(), listener), listeners_.end());
      else
        throw Exception("EdSymbolList::removeSymbolListListener. Listener is not removable.");
    } 
 
  protected:
    virtual void beforeSequenceChanged(const SymbolListEditionEvent& event) {};
    virtual void afterSequenceChanged(const SymbolListEditionEvent& event) {};
    virtual void beforeSequenceInserted(const SymbolListInsertionEvent& event) {};
    virtual void afterSequenceInserted(const SymbolListInsertionEvent& event) {};
    virtual void beforeSequenceDeleted(const SymbolListDeletionEvent& event) {};
    virtual void afterSequenceDeleted(const SymbolListDeletionEvent& event) {};
    virtual void beforeSequenceSubstituted(const SymbolListSubstitutionEvent& event) {};
    virtual void afterSequenceSubstituted(const SymbolListSubstitutionEvent& event) {};

    void fireBeforeSequenceChanged(const SymbolListEditionEvent& event) {
      beforeSequenceChanged(event);
      if (propagateEvents_)
        for (size_t i = 0; i < listeners_.size(); ++i)
          listeners_[i]->beforeSequenceChanged(event);
    }

    void fireAfterSequenceChanged(const SymbolListEditionEvent& event) {
      afterSequenceChanged(event);
      if (propagateEvents_)
        for (size_t i = 0; i < listeners_.size(); ++i)
          listeners_[i]->afterSequenceChanged(event);
    }
   
    void fireBeforeSequenceInserted(const SymbolListInsertionEvent& event) {
      beforeSequenceInserted(event);
      if (propagateEvents_)
        for (size_t i = 0; i < listeners_.size(); ++i)
          listeners_[i]->beforeSequenceInserted(event);
    }

    void fireAfterSequenceInserted(const SymbolListInsertionEvent& event) {
      afterSequenceInserted(event);
      if (propagateEvents_)
        for (size_t i = 0; i < listeners_.size(); ++i)
          listeners_[i]->afterSequenceInserted(event);
    }

    void fireBeforeSequenceDeleted(const SymbolListDeletionEvent& event) {
      beforeSequenceDeleted(event);
      if (propagateEvents_)
        for (size_t i = 0; i < listeners_.size(); ++i)
          listeners_[i]->beforeSequenceDeleted(event);
    }

    void fireAfterSequenceDeleted(const SymbolListDeletionEvent& event) {
      afterSequenceDeleted(event);
      if (propagateEvents_)
        for (size_t i = 0; i < listeners_.size(); ++i)
          listeners_[i]->afterSequenceDeleted(event);
    }

    void fireBeforeSequenceSubstituted(const SymbolListSubstitutionEvent& event) {
      beforeSequenceSubstituted(event);
      if (propagateEvents_)
        for (size_t i = 0; i < listeners_.size(); ++i)
          listeners_[i]->beforeSequenceSubstituted(event);
    }

    void fireAfterSequenceSubstituted(const SymbolListSubstitutionEvent& event) {
      afterSequenceSubstituted(event);
      if (propagateEvents_)
        for (size_t i = 0; i < listeners_.size(); ++i)
          listeners_[i]->afterSequenceSubstituted(event);
    }
  protected:
    void propagateEvents(bool yn) { propagateEvents_ = yn; }
    bool propagateEvents() const { return propagateEvents_; }

  };


} //end of namespace bpp.

#endif // _SYMBOLLIST_H_