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226 lines
6.9 KiB
226 lines
6.9 KiB
/****************************************************************************
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**
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** Definition of TQGDict and TQGDictIterator classes
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**
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** Created : 920529
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**
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** Copyright (C) 1992-2008 Trolltech ASA. All rights reserved.
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**
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** This file is part of the tools module of the TQt GUI Toolkit.
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**
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** This file may be used under the terms of the GNU General
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** Public License versions 2.0 or 3.0 as published by the Free
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** Software Foundation and appearing in the files LICENSE.GPL2
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** and LICENSE.GPL3 included in the packaging of this file.
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** Alternatively you may (at your option) use any later version
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** of the GNU General Public License if such license has been
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** publicly approved by Trolltech ASA (or its successors, if any)
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** and the KDE Free TQt Foundation.
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**
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** Please review the following information to ensure GNU General
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** Public Licensing requirements will be met:
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** http://trolltech.com/products/qt/licenses/licensing/opensource/.
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** If you are unsure which license is appropriate for your use, please
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** review the following information:
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** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
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** or contact the sales department at sales@trolltech.com.
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**
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** This file may be used under the terms of the Q Public License as
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** defined by Trolltech ASA and appearing in the file LICENSE.TQPL
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** included in the packaging of this file. Licensees holding valid TQt
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** Commercial licenses may use this file in accordance with the TQt
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** Commercial License Agreement provided with the Software.
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**
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** This file is provided "AS IS" with NO WARRANTY OF ANY KIND,
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** INCLUDING THE WARRANTIES OF DESIGN, MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE. Trolltech reserves all rights not granted
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** herein.
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**
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**********************************************************************/
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#ifndef TQGDICT_H
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#define TQGDICT_H
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#ifndef QT_H
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#include "ntqptrcollection.h"
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#include "ntqstring.h"
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#endif // QT_H
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class TQGDictIterator;
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class TQGDItList;
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class TQBaseBucket // internal dict node
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{
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public:
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TQPtrCollection::Item getData() { return data; }
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TQPtrCollection::Item setData( TQPtrCollection::Item d ) { return data = d; }
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TQBaseBucket *getNext() { return next; }
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void setNext( TQBaseBucket *n) { next = n; }
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protected:
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TQBaseBucket( TQPtrCollection::Item d, TQBaseBucket *n ) : data(d), next(n) {}
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TQPtrCollection::Item data;
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TQBaseBucket *next;
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};
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class TQStringBucket : public TQBaseBucket
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{
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public:
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TQStringBucket( const TQString &k, TQPtrCollection::Item d, TQBaseBucket *n )
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: TQBaseBucket(d,n), key(k) {}
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const TQString &getKey() const { return key; }
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private:
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TQString key;
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};
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class TQAsciiBucket : public TQBaseBucket
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{
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public:
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TQAsciiBucket( const char *k, TQPtrCollection::Item d, TQBaseBucket *n )
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: TQBaseBucket(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 TQIntBucket : public TQBaseBucket
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{
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public:
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TQIntBucket( long k, TQPtrCollection::Item d, TQBaseBucket *n )
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: TQBaseBucket(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 TQPtrBucket : public TQBaseBucket
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{
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public:
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TQPtrBucket( void *k, TQPtrCollection::Item d, TQBaseBucket *n )
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: TQBaseBucket(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 TQ_EXPORT TQGDict : public TQPtrCollection // 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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TQPtrCollection::Item look_string( const TQString& key, TQPtrCollection::Item,
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int );
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TQPtrCollection::Item look_ascii( const char *key, TQPtrCollection::Item, int );
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TQPtrCollection::Item look_int( long key, TQPtrCollection::Item, int );
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TQPtrCollection::Item look_ptr( void *key, TQPtrCollection::Item, int );
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#ifndef TQT_NO_DATASTREAM
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TQDataStream &read( TQDataStream & );
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TQDataStream &write( TQDataStream & ) 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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TQGDict( uint len, KeyType kt, bool cs, bool ck );
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TQGDict( const TQGDict & );
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~TQGDict();
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TQGDict &operator=( const TQGDict & );
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bool remove_string( const TQString &key, TQPtrCollection::Item item=0 );
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bool remove_ascii( const char *key, TQPtrCollection::Item item=0 );
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bool remove_int( long key, TQPtrCollection::Item item=0 );
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bool remove_ptr( void *key, TQPtrCollection::Item item=0 );
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TQPtrCollection::Item take_string( const TQString &key );
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TQPtrCollection::Item take_ascii( const char *key );
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TQPtrCollection::Item take_int( long key );
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TQPtrCollection::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 TQString & );
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int hashKeyAscii( const char * );
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void statistics() const;
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#ifndef TQT_NO_DATASTREAM
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virtual TQDataStream &read( TQDataStream &, TQPtrCollection::Item & );
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virtual TQDataStream &write( TQDataStream &, TQPtrCollection::Item ) const;
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#endif
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private:
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TQBaseBucket **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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TQGDItList *iterators;
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void unlink_common( int, TQBaseBucket *, TQBaseBucket * );
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TQStringBucket *unlink_string( const TQString &,
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TQPtrCollection::Item item = 0 );
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TQAsciiBucket *unlink_ascii( const char *, TQPtrCollection::Item item = 0 );
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TQIntBucket *unlink_int( long, TQPtrCollection::Item item = 0 );
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TQPtrBucket *unlink_ptr( void *, TQPtrCollection::Item item = 0 );
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void init( uint, KeyType, bool, bool );
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friend class TQGDictIterator;
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};
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class TQ_EXPORT TQGDictIterator // generic dictionary iterator
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{
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friend class TQGDict;
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public:
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TQGDictIterator( const TQGDict & );
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TQGDictIterator( const TQGDictIterator & );
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TQGDictIterator &operator=( const TQGDictIterator & );
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~TQGDictIterator();
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TQPtrCollection::Item toFirst();
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TQPtrCollection::Item get() const;
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TQString 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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TQPtrCollection::Item operator()();
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TQPtrCollection::Item operator++();
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TQPtrCollection::Item operator+=(uint);
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protected:
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TQGDict *dict;
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private:
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TQBaseBucket *curNode;
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uint curIndex;
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};
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inline TQPtrCollection::Item TQGDictIterator::get() const
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{
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return curNode ? curNode->getData() : 0;
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}
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inline TQString TQGDictIterator::getKeyString() const
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{
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return curNode ? ((TQStringBucket*)curNode)->getKey() : TQString::null;
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}
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inline const char *TQGDictIterator::getKeyAscii() const
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{
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return curNode ? ((TQAsciiBucket*)curNode)->getKey() : 0;
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}
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inline long TQGDictIterator::getKeyInt() const
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{
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return curNode ? ((TQIntBucket*)curNode)->getKey() : 0;
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}
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inline void *TQGDictIterator::getKeyPtr() const
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{
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return curNode ? ((TQPtrBucket*)curNode)->getKey() : 0;
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}
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#endif // TQGDICT_H
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