Sequence.hpp

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/*
 * Copyright (c) 2001-2006
 *     DecisionSoft Limited. All rights reserved.
 * Copyright (c) 2004-2006
 *     Progress Software Corporation. All rights reserved.
 * Copyright (c) 2004-2006
 *     Oracle. All rights reserved.
 *
 * See the file LICENSE for redistribution information.
 *
 * $Id: Sequence.hpp,v 1.8 2006/11/01 16:37:15 jpcs Exp $
 */

#ifndef _SEQUENCE_HPP
#define _SEQUENCE_HPP

#include <vector>

#include <xqilla/framework/XQillaExport.hpp>
#include <xqilla/items/ATDecimalOrDerived.hpp>
#include <xqilla/framework/XPath2MemoryManager.hpp>

#include <xercesc/util/XMemory.hpp>
#include <xercesc/util/PlatformUtils.hpp>

class DynamicContext;

typedef std::vector<Item::Ptr, XQillaAllocator<Item::Ptr> > VectorOfItems;

class XQILLA_API Sequence : public XERCES_CPP_NAMESPACE_QUALIFIER XMemory
{

public:
  typedef VectorOfItems::iterator iterator;
  typedef VectorOfItems::const_iterator const_iterator;
  typedef VectorOfItems::reverse_iterator reverse_iterator;
  typedef VectorOfItems::const_reverse_iterator const_reverse_iterator;

  // constructor that takes one Item
  Sequence(const Item::Ptr &item, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr =
           XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgMemoryManager);
  // constructor that creates a empty sequence
  Sequence(XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr =
           XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgMemoryManager);
  Sequence(unsigned int n, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr =
           XERCES_CPP_NAMESPACE_QUALIFIER XMLPlatformUtils::fgMemoryManager);
  // copy constructor
  Sequence(const Sequence&, XERCES_CPP_NAMESPACE_QUALIFIER MemoryManager* memMgr);
  // copy constructor
  Sequence(const Sequence&);
  Sequence &operator=(const Sequence &);

  ~Sequence();

  void clear();

  const Item::Ptr &first() const;
  const Item::Ptr &second() const;

  Sequence::iterator begin(void);
  Sequence::const_iterator begin(void) const;

  Sequence::iterator end(void);
  Sequence::const_iterator end(void) const;

  Sequence::reverse_iterator rbegin(void);
  Sequence::const_reverse_iterator rbegin(void) const;

  Sequence::reverse_iterator rend(void);
  Sequence::const_reverse_iterator rend(void) const;

  unsigned int getLength(void) const;

  const Item::Ptr &item(unsigned int index) const;
  const Item::Ptr &item(const ATDecimalOrDerived::Ptr &index) const;

  void addItem(const Item::Ptr &item);

  void addItemFront(const Item::Ptr &item);

  void joinSequence(const Sequence & s);

  bool isEmpty() const;

  void sortIntoDocumentOrder(const DynamicContext *context);

  void sortWithCollation(const Collation *collation, const DynamicContext *context);

private:
  VectorOfItems _itemList;
};

#endif

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