sc_pvector.h

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/*****************************************************************************

  The following code is derived, directly or indirectly, from the SystemC
  source code Copyright (c) 1996-2014 by all Contributors.
  All Rights reserved.

  The contents of this file are subject to the restrictions and limitations
  set forth in the SystemC Open Source License (the "License");
  You may not use this file except in compliance with such restrictions and
  limitations. You may obtain instructions on how to receive a copy of the
  License at http://www.accellera.org/. Software distributed by Contributors
  under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF
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 *****************************************************************************/

/*****************************************************************************

  sc_vector.h -- Simple implementation of a vector class.

  Original Author: Stan Y. Liao, Synopsys, Inc.

  CHANGE LOG AT END OF FILE
 *****************************************************************************/

#ifndef SC_VECTOR_H
#define SC_VECTOR_H

#include <vector>

namespace sc_core {

extern "C" {
  typedef int (*CFT)( const void*, const void* );
} 


// #define ACCESS(I) m_vector.at(I) // index checking
#define ACCESS(I) m_vector[I]
#define ADDR_ACCESS(I) (m_vector.size() != 0 ? &m_vector[I] : 0 )

// ----------------------------------------------------------------------------
//  CLASS : sc_pvector<T>
//
//  Simple vector class.
// ----------------------------------------------------------------------------

template< class T >
class sc_pvector
{
public:

    typedef const T* const_iterator;
    typedef       T* iterator;
        // typedef typename ::std::vector<T>::const_iterator const_iterator;
        // typedef typename ::std::vector<T>::iterator       iterator;

    sc_pvector( int alloc_n = 0 )
        {
        }

    sc_pvector( const sc_pvector<T>& rhs )
        : m_vector( rhs.m_vector )
        {}

    ~sc_pvector()
        {}


    std::size_t size() const
        { return m_vector.size(); }


    iterator begin()
        { return (iterator) ADDR_ACCESS(0); }

    const_iterator begin() const
        { return (const_iterator) ADDR_ACCESS(0); }

    iterator end()
        { return static_cast<iterator> (ADDR_ACCESS(m_vector.size())); }

    const_iterator end() const
    { 
        return static_cast<const_iterator> (ADDR_ACCESS(m_vector.size()));
    }


    sc_pvector<T>& operator = ( const sc_pvector<T>& rhs )
        { m_vector = rhs.m_vector; return *this; }


    T& operator [] ( unsigned int i )
        { 
            if ( i >= m_vector.size() ) m_vector.resize(i+1);
            return (T&) m_vector.operator [] ( i );
        }

    const T& operator [] ( unsigned int i ) const
        { 
            if ( i >= m_vector.size() ) m_vector.resize(i+1);
            return (const T&) m_vector.operator [] ( i );
        }

    T& fetch( int i )
        { return ACCESS(i); }

    const T& fetch( int i ) const
        { return (const T&) ACCESS(i); }


    T* raw_data()
        { return (T*) &ACCESS(0); }

    const T* raw_data() const
        { return (const T*) &ACCESS(0); }


    operator const ::std::vector<T>& () const
        { return m_vector; }

    void push_back( T item )
        { m_vector.push_back( item ); }


    void erase_all()
        { m_vector.resize(0); }

    void sort( CFT compar )
        {qsort( (void*)&m_vector[0], m_vector.size(), sizeof(void*), compar );}

    /* These methods have been added from Ptr_Array */
    
    void put( T item, int i )
        { ACCESS(i) = item; }

    void decr_count()
        { m_vector.resize(m_vector.size()-1); }

    void decr_count( int k )
        { m_vector.resize(m_vector.size()-k); }



  protected:
    mutable ::std::vector<T> m_vector;    // Actual vector of pointers.
};

#undef ACCESS
#undef ADDR_ACCESS

} // namespace sc_core

// $Log: sc_pvector.h,v $
// Revision 1.4  2011/08/26 20:46:19  acg
//  Andy Goodrich: moved the modification log to the end of the file to
//  eliminate source line number skew when check-ins are done.
//
// Revision 1.3  2011/02/18 20:38:44  acg
//  Andy Goodrich: Updated Copyright notice.
//
// Revision 1.2  2011/01/20 16:52:21  acg
//  Andy Goodrich: changes for IEEE 1666 2011.
//
// Revision 1.1  2010/12/07 20:11:45  acg
//  Andy Goodrich: moved sc_pvector class to new header file to allow the
//  use of sc_vector.h for Philipp Hartmann's new sc_vector class.
//
// Revision 1.4  2010/08/03 17:52:15  acg
//   Andy Goodrich: fix signature for size() method of sc_pvector.
//
// Revision 1.3  2008/10/09 21:20:33  acg
//  Andy Goodrich: fixed the way the end() methods calculate their results.
//  I had incorrectly cut and pasted code from the begin() method.
//
// Revision 1.2  2007/01/17 22:44:34  acg
//  Andy Goodrich: fix for Microsoft compiler.
//
// Revision 1.3  2006/01/13 18:53:11  acg
// Andy Goodrich: Added $Log command so that CVS comments are reproduced in
// the source.
//

#endif