classtype.hh

C++ Reflection & Service Library

#ifndef RFL_CLASSTYPE_HH
#define RFL_CLASSTYPE_HH
/* C++ Reflection & Serice Library
 * Copyright (C) 2003  Marcus Perlick
 * mailto: [e-mail]
 * 
 * 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
 *
 * This file is part of the "C++ Reflection & Serice Library" */

#include <cassert>
#include <vector>

#include "Type.hh"

namespace rfl {

  class ClassType : public Type {
  public:

    virtual void avStartCall( av_alist& avList, 
			      void* fnPtr,
			      void *retVal ) const;

    virtual void avPutArg( av_alist& avList, void* arg ) const;

    int getElmIdx( const mpu::String& name ) const;
    virtual const Type& getElmType( std::size_t idx ) const;
    virtual void* getElmAddr( void* obj, std::size_t idx ) const;
    const mpu::String& getElmName( std::size_t idx ) const;
    
    std::size_t getBaseClassNo( void ) const { return bases_.size(); }
    const ClassType& getBaseClass( std::size_t idx ) const;
    void* toBaseClass( void* obj, std::size_t idx ) const;

    virtual unsigned long hash( void ) const;
    virtual bool operator==( const Type& type ) const;

    mpu::any::Any& getElmAspect( std::size_t idx, Aspect::Id aspectId );
    const mpu::any::Any& getElmAspect( std::size_t idx,
				       Aspect::Id aspectId ) const;

  protected:

    struct BaseClass {
      const ClassType* type_;
      std::size_t offset_;
    };
    
    typedef std::vector<BaseClass> BaseClassList;

    struct Member {
      mpu::String name_;
      const Type* type_;
      std::size_t offset_;
      AspectVector aspcts_;
    };

    typedef std::vector<Member> MemberList;

    BaseClassList bases_;    
    MemberList mbrs_;    
    
    ClassType( const mpu::String& name,
	       std::size_t size,
	       std::size_t alignment,
	       std::size_t elementNum,
	       void(*create)(const Type*,void*),
	       void(*cCreate)(const Type*,void*,const void*),
	       void(*destroy)(const Type*,void*),
	       void(*assign)(const Type*,void*,const void*),
	       void*(*newObj)(const Type*),
	       void*(*newCopy)(const Type*,const void*),
	       void(*delObj)(const Type*,void*) ) :
      Type( ID_CLASS, name, size, alignment, elementNum, create, cCreate,
	    destroy, assign, newObj, newCopy, delObj )
    {}
  };

  inline const mpu::String&
  ClassType::getElmName( std::size_t idx ) const
  {
    assert( idx < mbrs_.size() );
    return mbrs_[ idx ].name_;
  }

  inline const ClassType&
  ClassType::getBaseClass( std::size_t idx ) const
  {
    assert( idx < bases_.size() );
    return *(bases_[ idx ].type_);
  }

  inline mpu::any::Any&
  ClassType::getElmAspect( std::size_t idx, Aspect::Id aspectId )
  {
    assert( idx < bases_.size() );
    return mbrs_[ idx ].aspcts_[ aspectId ];
  }

  inline const mpu::any::Any&
  ClassType::getElmAspect( std::size_t idx, Aspect::Id aspectId ) const
  {
    assert( idx < bases_.size() );
    return mbrs_[ idx ].aspcts_[ aspectId ];
  }

  inline void*
  ClassType::toBaseClass( void* obj, std::size_t idx ) const
  {
    assert( idx < bases_.size() );
    return ((char*)obj) + bases_[ idx ].offset_;
  }

} // namespace rfl
#endif // RFL_CLASSTYPE_HH