kwqdictimpl.h

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/*
 * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.
 * Portions Copyright (c) 2005 Nokia Corporation, Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef KWQ_DICT_IMPL_H
#define KWQ_DICT_IMPL_H

#include "KWQPtrDictImpl.h"
#include "KWQString.h"
#include "KWQHashTable.h"
#include "KWQRefPtr.h"

class KWQDictIteratorImpl;

// In Apple's version, KWQDictImpl is derived from KWQPtrDictImpl, which is
// ok in ObjectC because void* carries type info, but we need to separate them
// in C++.
class KWQDictImpl
OOM_MODIFIED
{
 public:
    KWQDictImpl(int size, bool caseSensitive, void (*deleteFunc)(void *));
    ~KWQDictImpl();

    void insert(const QString &key, const void *value);
    bool remove(const QString &key, bool deleteItems);
    void *find(const QString &key) const;
    void clear(bool del_item );
    uint count() const;
    KWQDictImpl &assign( const KWQDictImpl &di, bool deleteItems );

private:
    bool m_caseSensitive;
  	KWQRefPtr<KWQHashTable<QString, void*> > table;

    void (*deleteFunc)(void*);
    friend class KWQDictIteratorImpl;
};

class KWQDictIteratorImpl
    OOM_MODIFIED
{
 public:
    KWQDictIteratorImpl(const KWQDictImpl &di) : dict( di ) , iter( di.table->begin() )
    {
    }

    uint count() const;
    void *current() const;
    void *toFirst();

    void *operator++();

    QString currentStringKey() const;

 private:
    KWQHashTable<QString, void*>::iterator iter;
    const KWQDictImpl& dict;
};

#endif