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Diffstat (limited to 'qtools/qgdict.h')
| -rw-r--r-- | qtools/qgdict.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/qtools/qgdict.h b/qtools/qgdict.h new file mode 100644 index 0000000..6243364 --- /dev/null +++ b/qtools/qgdict.h @@ -0,0 +1,222 @@ +/**************************************************************************** +** +** +** Definition of QGDict and QGDictIterator classes +** +** Created : 920529 +** +** Copyright (C) 1992-2000 Trolltech AS. All rights reserved. +** +** This file is part of the tools module of the Qt GUI Toolkit. +** +** This file may be distributed under the terms of the Q Public License +** as defined by Trolltech AS of Norway and appearing in the file +** LICENSE.QPL included in the packaging of this file. +** +** This file may be distributed and/or modified under the terms of the +** GNU General Public License version 2 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. +** +** Licensees holding valid Qt Enterprise Edition or Qt Professional Edition +** licenses may use this file in accordance with the Qt Commercial License +** Agreement provided with the Software. +** +** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE +** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. +** +** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for +** information about Qt Commercial License Agreements. +** See http://www.trolltech.com/qpl/ for QPL licensing information. +** See http://www.trolltech.com/gpl/ for GPL licensing information. +** +** Contact info@trolltech.com if any conditions of this licensing are +** not clear to you. +** +**********************************************************************/ + +#ifndef QGDICT_H +#define QGDICT_H + +#ifndef QT_H +#include "qcollection.h" +#include "qstring.h" +#endif // QT_H + +class QGDictIterator; +class QGDItList; + + +class QBaseBucket // internal dict node +{ +public: + QCollection::Item getData() { return data; } + QCollection::Item setData( QCollection::Item d ) { return data = d; } + QBaseBucket *getNext() { return next; } + void setNext( QBaseBucket *n) { next = n; } +protected: + QBaseBucket( QCollection::Item d, QBaseBucket *n ) : data(d), next(n) {} + QCollection::Item data; + QBaseBucket *next; +}; + +class QStringBucket : public QBaseBucket +{ +public: + QStringBucket( const QString &k, QCollection::Item d, QBaseBucket *n ) + : QBaseBucket(d,n), key(k) {} + const QString &getKey() const { return key; } +private: + QString key; +}; + +class QAsciiBucket : public QBaseBucket +{ +public: + QAsciiBucket( const char *k, QCollection::Item d, QBaseBucket *n ) + : QBaseBucket(d,n), key(k) {} + const char *getKey() const { return key; } +private: + const char *key; +}; + +class QIntBucket : public QBaseBucket +{ +public: + QIntBucket( long k, QCollection::Item d, QBaseBucket *n ) + : QBaseBucket(d,n), key(k) {} + long getKey() const { return key; } +private: + long key; +}; + +class QPtrBucket : public QBaseBucket +{ +public: + QPtrBucket( void *k, QCollection::Item d, QBaseBucket *n ) + : QBaseBucket(d,n), key(k) {} + void *getKey() const { return key; } +private: + void *key; +}; + + +class Q_EXPORT QGDict : public QCollection // generic dictionary class +{ +public: + uint count() const { return numItems; } + uint size() const { return vlen; } + QCollection::Item look_string( const QString& key, QCollection::Item, + int ); + QCollection::Item look_ascii( const char *key, QCollection::Item, int ); + QCollection::Item look_int( long key, QCollection::Item, int ); + QCollection::Item look_ptr( void *key, QCollection::Item, int ); +#ifndef QT_NO_DATASTREAM + QDataStream &read( QDataStream & ); + QDataStream &write( QDataStream & ) const; +#endif +protected: + enum KeyType { StringKey, AsciiKey, IntKey, PtrKey }; + + QGDict( uint len, KeyType kt, bool cs, bool ck ); + QGDict( const QGDict & ); + ~QGDict(); + + QGDict &operator=( const QGDict & ); + + bool remove_string( const QString &key, QCollection::Item item=0 ); + bool remove_ascii( const char *key, QCollection::Item item=0 ); + bool remove_int( long key, QCollection::Item item=0 ); + bool remove_ptr( void *key, QCollection::Item item=0 ); + QCollection::Item take_string( const QString &key ); + QCollection::Item take_ascii( const char *key ); + QCollection::Item take_int( long key ); + QCollection::Item take_ptr( void *key ); + + void clear(); + void resize( uint ); + + int hashKeyString( const QString & ); + int hashKeyAscii( const char * ); + + void statistics() const; + +#ifndef QT_NO_DATASTREAM + virtual QDataStream &read( QDataStream &, QCollection::Item & ); + virtual QDataStream &write( QDataStream &, QCollection::Item ) const; +#endif +private: + QBaseBucket **vec; + uint vlen; + uint numItems; + uint keytype : 2; + uint cases : 1; + uint copyk : 1; + QGDItList *iterators; + void unlink_common( int, QBaseBucket *, QBaseBucket * ); + QStringBucket *unlink_string( const QString &, + QCollection::Item item = 0 ); + QAsciiBucket *unlink_ascii( const char *, QCollection::Item item = 0 ); + QIntBucket *unlink_int( long, QCollection::Item item = 0 ); + QPtrBucket *unlink_ptr( void *, QCollection::Item item = 0 ); + void init( uint, KeyType, bool, bool ); + friend class QGDictIterator; +}; + + +class Q_EXPORT QGDictIterator // generic dictionary iterator +{ +friend class QGDict; +public: + QGDictIterator( const QGDict & ); + QGDictIterator( const QGDictIterator & ); + QGDictIterator &operator=( const QGDictIterator & ); + ~QGDictIterator(); + + QCollection::Item toFirst(); + + QCollection::Item get() const; + QString getKeyString() const; + const char *getKeyAscii() const; + long getKeyInt() const; + void *getKeyPtr() const; + + QCollection::Item operator()(); + QCollection::Item operator++(); + QCollection::Item operator+=(uint); + +protected: + QGDict *dict; + +private: + QBaseBucket *curNode; + uint curIndex; +}; + +inline QCollection::Item QGDictIterator::get() const +{ + return curNode ? curNode->getData() : 0; +} + +inline QString QGDictIterator::getKeyString() const +{ + return curNode ? ((QStringBucket*)curNode)->getKey() : QString::null; +} + +inline const char *QGDictIterator::getKeyAscii() const +{ + return curNode ? ((QAsciiBucket*)curNode)->getKey() : 0; +} + +inline long QGDictIterator::getKeyInt() const +{ + return curNode ? ((QIntBucket*)curNode)->getKey() : 0; +} + +inline void *QGDictIterator::getKeyPtr() const +{ + return curNode ? ((QPtrBucket*)curNode)->getKey() : 0; +} + + +#endif // QGDICT_H |