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ResDict.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_PAGE_RES_DICT_HEADER_INCLUDED__
#define __PDF_PAGE_RES_DICT_HEADER_INCLUDED__

#include <vector>
#include <string>
#include <boost/smart_ptr.hpp>
#include <boost/iterator_adaptors.hpp>

namespace pdf {

namespace core
{
    class CName ;
    class CObject ;
    class CFile ;
}

namespace font
{
    class CFont ;
}

namespace graph
{
    class CXObject ;
}

namespace page {

class CResDict
{
private :

    template <typename T>
    class CResVec
    {
    private :
        typedef std::vector<boost::shared_ptr<T> >     CVec ;
        CVec m_vec ;
        int  m_counter ;
        const std::string m_prefix ;

    public :
        typedef typename
            boost::indirect_iterator_generator<typename CVec::const_iterator,
                                               T, const T&,
                                               std::random_access_iterator_tag,
                                               const T*>::type
            iterator ;
        
    public :
        CResVec( const std::string& prefix ) ;
        
        void Add( T *t ) ;
        core::CObject* Write( core::CFile& file ) const ;       

        bool Empty( ) const { return m_vec.empty( ) ; }
        
        bool Find( const T *t ) const ;
        
        iterator Begin( ) const ;
        iterator End( ) const ;

    private :
        const core::CName RegName( const std::string& prefix ) ;
    } ;

    CResVec<font::CFont>        m_fonts ;
    CResVec<graph::CXObject>    m_xobjs ;

public :
    CResDict( ) ;
    ~CResDict( ) ;
    
    void AddFont( font::CFont *font ) ;
    void AddXObj( graph::CXObject *xobj ) ;
    
    core::CObject* Write( core::CFile& file ) const ;

    bool FindFont( const font::CFont *font ) const ;
    bool FindXObj( const graph::CXObject *xobj ) const ;
    
    bool HasFont( ) const ;
    bool HasXObj( ) const ;
} ;

} } // end of namespace

#endif

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