Class QualifiedIdentifierItemRequest

kdevplatform/language/duchain/identifier.cpp:276–332

using ConstantQualifiedIdentifierPrivate = QualifiedIdentifierPrivate<false>;

struct QualifiedIdentifierItemRequest
{
    QualifiedIdentifierItemRequest(const DynamicQualifiedIdentifierPrivate& identifier)
        : m_identifier(identifier)
    {
        identifier.hash(); //Make sure the hash is valid by calling this
    }

    enum {
        AverageSize = sizeof(QualifiedIdentifierPrivate<false> ) + 8
    };

    //Should return the hash-value associated with this request(For example the hash of a string)
    uint hash() const
    {
        return m_identifier.hash();
    }

    //Should return the size of an item created with createItem
    uint itemSize() const
    {
        return m_identifier.itemSize();
    }

    /**
     * Should create an item where the information of the requested item is permanently stored. The pointer
     * @param item equals an allocated range with the size of itemSize().
     */
    void createItem(ConstantQualifiedIdentifierPrivate* item) const
    {
        Q_ASSERT(shouldDoDUChainReferenceCounting(item));
        Q_ASSERT(shouldDoDUChainReferenceCounting(reinterpret_cast<char*>(item) + (itemSize() - 1)));
        new (item) ConstantQualifiedIdentifierPrivate(m_identifier);
    }

    static bool persistent(const ConstantQualifiedIdentifierPrivate* item)
    {
        return ( bool )item->m_refCount;
    }

    static void destroy(ConstantQualifiedIdentifierPrivate* item, AbstractItemRepository&)
    {
        Q_ASSERT(shouldDoDUChainReferenceCounting(item));
        item->~ConstantQualifiedIdentifierPrivate();
    }

    //Should return whether the here requested item equals the given item
    bool equals(const ConstantQualifiedIdentifierPrivate* item) const
    {
        return item->m_explicitlyGlobal == m_identifier.m_explicitlyGlobal
               && item->m_isExpression == m_identifier.m_isExpression
               && item->m_hash == m_identifier.m_hash
               && m_identifier.listsEqual(*item);
    }

    const DynamicQualifiedIdentifierPrivate& m_identifier;
};