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234 lines
7.1 KiB
234 lines
7.1 KiB
/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the Qt3Support module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial Usage
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Nokia.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights. These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3.0 as published by the Free Software
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** Foundation and appearing in the file LICENSE.GPL included in the
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** packaging of this file. Please review the following information to
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** ensure the GNU General Public License version 3.0 requirements will be
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** met: http://www.gnu.org/copyleft/gpl.html.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef Q3GDICT_H
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#define Q3GDICT_H
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#include <Qt3Support/q3ptrcollection.h>
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#include <QtCore/qstring.h>
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QT_BEGIN_HEADER
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QT_BEGIN_NAMESPACE
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QT_MODULE(Qt3SupportLight)
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class Q3GDictIterator;
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class Q3GDItList;
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class Q3BaseBucket // internal dict node
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{
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public:
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Q3PtrCollection::Item getData() { return data; }
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Q3PtrCollection::Item setData( Q3PtrCollection::Item d ) { return data = d; }
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Q3BaseBucket *getNext() { return next; }
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void setNext( Q3BaseBucket *n) { next = n; }
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protected:
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Q3BaseBucket( Q3PtrCollection::Item d, Q3BaseBucket *n ) : data(d), next(n) {}
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Q3PtrCollection::Item data;
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Q3BaseBucket *next;
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};
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class Q3StringBucket : public Q3BaseBucket
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{
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public:
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Q3StringBucket( const QString &k, Q3PtrCollection::Item d, Q3BaseBucket *n )
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: Q3BaseBucket(d,n), key(k) {}
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const QString &getKey() const { return key; }
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private:
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QString key;
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};
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class Q3AsciiBucket : public Q3BaseBucket
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{
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public:
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Q3AsciiBucket( const char *k, Q3PtrCollection::Item d, Q3BaseBucket *n )
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: Q3BaseBucket(d,n), key(k) {}
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const char *getKey() const { return key; }
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private:
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const char *key;
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};
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class Q3IntBucket : public Q3BaseBucket
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{
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public:
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Q3IntBucket( long k, Q3PtrCollection::Item d, Q3BaseBucket *n )
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: Q3BaseBucket(d,n), key(k) {}
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long getKey() const { return key; }
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private:
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long key;
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};
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class Q3PtrBucket : public Q3BaseBucket
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{
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public:
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Q3PtrBucket( void *k, Q3PtrCollection::Item d, Q3BaseBucket *n )
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: Q3BaseBucket(d,n), key(k) {}
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void *getKey() const { return key; }
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private:
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void *key;
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};
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class Q_COMPAT_EXPORT Q3GDict : public Q3PtrCollection // generic dictionary class
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{
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public:
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uint count() const { return numItems; }
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uint size() const { return vlen; }
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Q3PtrCollection::Item look_string( const QString& key, Q3PtrCollection::Item,
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int );
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Q3PtrCollection::Item look_ascii( const char *key, Q3PtrCollection::Item, int );
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Q3PtrCollection::Item look_int( long key, Q3PtrCollection::Item, int );
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Q3PtrCollection::Item look_ptr( void *key, Q3PtrCollection::Item, int );
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#ifndef QT_NO_DATASTREAM
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QDataStream &read( QDataStream & );
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QDataStream &write( QDataStream & ) const;
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#endif
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protected:
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enum KeyType { StringKey, AsciiKey, IntKey, PtrKey };
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Q3GDict( uint len, KeyType kt, bool cs, bool ck );
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Q3GDict( const Q3GDict & );
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~Q3GDict();
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Q3GDict &operator=( const Q3GDict & );
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bool remove_string( const QString &key, Q3PtrCollection::Item item=0 );
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bool remove_ascii( const char *key, Q3PtrCollection::Item item=0 );
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bool remove_int( long key, Q3PtrCollection::Item item=0 );
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bool remove_ptr( void *key, Q3PtrCollection::Item item=0 );
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Q3PtrCollection::Item take_string( const QString &key );
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Q3PtrCollection::Item take_ascii( const char *key );
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Q3PtrCollection::Item take_int( long key );
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Q3PtrCollection::Item take_ptr( void *key );
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void clear();
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void resize( uint );
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int hashKeyString( const QString & );
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int hashKeyAscii( const char * );
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void statistics() const;
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#ifndef QT_NO_DATASTREAM
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virtual QDataStream &read( QDataStream &, Q3PtrCollection::Item & );
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virtual QDataStream &write( QDataStream &, Q3PtrCollection::Item ) const;
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#endif
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private:
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Q3BaseBucket **vec;
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uint vlen;
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uint numItems;
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uint keytype : 2;
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uint cases : 1;
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uint copyk : 1;
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Q3GDItList *iterators;
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void unlink_common( int, Q3BaseBucket *, Q3BaseBucket * );
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Q3StringBucket *unlink_string( const QString &,
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Q3PtrCollection::Item item = 0 );
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Q3AsciiBucket *unlink_ascii( const char *, Q3PtrCollection::Item item = 0 );
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Q3IntBucket *unlink_int( long, Q3PtrCollection::Item item = 0 );
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Q3PtrBucket *unlink_ptr( void *, Q3PtrCollection::Item item = 0 );
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void init( uint, KeyType, bool, bool );
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friend class Q3GDictIterator;
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};
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class Q_COMPAT_EXPORT Q3GDictIterator // generic dictionary iterator
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{
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friend class Q3GDict;
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public:
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Q3GDictIterator( const Q3GDict & );
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Q3GDictIterator( const Q3GDictIterator & );
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Q3GDictIterator &operator=( const Q3GDictIterator & );
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~Q3GDictIterator();
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Q3PtrCollection::Item toFirst();
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Q3PtrCollection::Item get() const;
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QString getKeyString() const;
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const char *getKeyAscii() const;
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long getKeyInt() const;
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void *getKeyPtr() const;
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Q3PtrCollection::Item operator()();
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Q3PtrCollection::Item operator++();
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Q3PtrCollection::Item operator+=(uint);
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protected:
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Q3GDict *dict;
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private:
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Q3BaseBucket *curNode;
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uint curIndex;
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};
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inline Q3PtrCollection::Item Q3GDictIterator::get() const
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{
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return curNode ? curNode->getData() : 0;
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}
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inline QString Q3GDictIterator::getKeyString() const
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{
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return curNode ? ((Q3StringBucket*)curNode)->getKey() : QString();
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}
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inline const char *Q3GDictIterator::getKeyAscii() const
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{
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return curNode ? ((Q3AsciiBucket*)curNode)->getKey() : 0;
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}
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inline long Q3GDictIterator::getKeyInt() const
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{
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return curNode ? ((Q3IntBucket*)curNode)->getKey() : 0;
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}
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inline void *Q3GDictIterator::getKeyPtr() const
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{
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return curNode ? ((Q3PtrBucket*)curNode)->getKey() : 0;
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}
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QT_END_NAMESPACE
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QT_END_HEADER
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#endif // Q3GDICT_H
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