indexedtype.h

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/* This file is part of KDevelop
    Copyright 2007-2009 David Nolden <[email protected]>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.
 
   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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
 */
 
#ifndef KDEVPLATFORM_INDEXEDTYPE_H
#define KDEVPLATFORM_INDEXEDTYPE_H
 
#include "abstracttype.h"
 
#include <serialization/referencecounting.h>
 
namespace KDevelop {
class KDEVPLATFORMLANGUAGE_EXPORT IndexedType
    : public ReferenceCountManager
{
public:
    IndexedType(const IndexedType& rhs);
    explicit IndexedType(const AbstractType::Ptr& type);
    explicit IndexedType(uint index = 0);
 
    ~IndexedType();
 
    IndexedType& operator=(const IndexedType& rhs);
 
    AbstractType::Ptr abstractType() const;
 
    template <class T>
    TypePtr<T> type() const { return TypePtr<T>::dynamicCast(abstractType()); }
 
    bool isValid() const
    {
        return ( bool )m_index;
    }
 
    operator bool() const {
        return ( bool )m_index;
    }
 
    bool operator==(const IndexedType& rhs) const
    {
        return m_index == rhs.m_index;
    }
 
    bool operator!=(const IndexedType& rhs) const
    {
        return m_index != rhs.m_index;
    }
 
    bool operator<(const IndexedType& rhs) const
    {
        return m_index < rhs.m_index;
    }
 
    uint hash() const
    {
        return m_index >> 1;
    }
 
    uint index() const
    {
        return m_index;
    }
 
private:
    uint m_index;
};
 
inline uint qHash(const IndexedType& type)
{
    return type.hash();
}
}
 
Q_DECLARE_TYPEINFO(KDevelop::IndexedType, Q_MOVABLE_TYPE);
 
#endif