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Array.hh

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/*
    libpdf++: a C++ Free library to generate PDF file
    Copyright (C) 2002 Nestal Wan

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
#ifndef __PDF_CORE_ARRAY_HEADER_INCLUDED__
#define __PDF_CORE_ARRAY_HEADER_INCLUDED__

#ifndef __PDF_CORE_OBJECT_HEADER_INCLUDED__
#include "Object.hh"
#endif

#ifndef __PDF_CORE_TYPE_HEADER_INCLUDED__
#include "Type.hh"
#endif

// boost headers
#include <boost/smart_ptr.hpp>
#include <boost/iterator_adaptors.hpp>

// standard headers
#include <vector>
#include <iterator>
#include <iosfwd>

namespace pdf { namespace core {

class CArray : public CObject
{
private :
    typedef boost::shared_ptr<CObject> CObjPtr ;
    typedef std::vector<CObjPtr> CObjVec ;

    CObjVec m_objects ;

public :
    typedef 
        boost::indirect_iterator_generator<CObjVec::const_iterator,
                                           CObject, const CObject&,
                                           std::random_access_iterator_tag,
                                           const CObject*>::type
        iterator ;

    typedef iterator::value_type value_type ;
    typedef iterator::reference  reference ;
    typedef iterator::reference  const_reference ;
    typedef CObjVec::size_type   size_type ;

public :
    CArray( ) ;
    CArray( const CArray& array ) ;
    CArray( CObject *object ) ;
    ~CArray( ) ;

    template <typename InputIt>
    CArray( InputIt first, InputIt last )
    {
        typedef typename std::iterator_traits<InputIt>::value_type CRealType ;
        typedef typename CType2PDF<CRealType>::result CPDFType ;

        while ( first != last )
        {
            m_objects.push_back( CObjPtr( new CPDFType( *first ) ) ) ;
            ++first ;
        }
    }

    void push_back( CObject *object ) ;

    // STL style functions
    iterator begin( ) const ;
    iterator end( ) const ;
    size_type size( ) const ;
    bool empty( ) const ;
    void clear( ) ;

    std::ostream& Write( std::ostream& os ) const ;

    CObject* Dup( ) const ;
} ;

} } // end of namespace

#endif

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