summaryrefslogtreecommitdiffstats
path: root/src/qt3support/tools/q3gdict.h
blob: 079c3227527be304e95c549a1c1e6381e35dc9a9 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
/****************************************************************************
**
** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
**
** This file is part of the Qt3Support module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this
** package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you are unsure which license is appropriate for your use, please
** contact the sales department at qt-sales@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef Q3GDICT_H
#define Q3GDICT_H

#include <Qt3Support/q3ptrcollection.h>
#include <QtCore/qstring.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Qt3SupportLight)

class Q3GDictIterator;
class Q3GDItList;


class Q3BaseBucket				// internal dict node
{
public:
    Q3PtrCollection::Item	 getData()			{ return data; }
    Q3PtrCollection::Item	 setData( Q3PtrCollection::Item d ) { return data = d; }
    Q3BaseBucket		*getNext()			{ return next; }
    void		 setNext( Q3BaseBucket *n)	{ next = n; }
protected:
    Q3BaseBucket( Q3PtrCollection::Item d, Q3BaseBucket *n ) : data(d), next(n) {}
    Q3PtrCollection::Item	 data;
    Q3BaseBucket		*next;
};

class Q3StringBucket : public Q3BaseBucket
{
public:
    Q3StringBucket( const QString &k, Q3PtrCollection::Item d, Q3BaseBucket *n )
	: Q3BaseBucket(d,n), key(k)		{}
    const QString  &getKey() const		{ return key; }
private:
    QString	    key;
};

class Q3AsciiBucket : public Q3BaseBucket
{
public:
    Q3AsciiBucket( const char *k, Q3PtrCollection::Item d, Q3BaseBucket *n )
	: Q3BaseBucket(d,n), key(k) {}
    const char *getKey() const { return key; }
private:
    const char *key;
};

class Q3IntBucket : public Q3BaseBucket
{
public:
    Q3IntBucket( long k, Q3PtrCollection::Item d, Q3BaseBucket *n )
	: Q3BaseBucket(d,n), key(k) {}
    long  getKey() const { return key; }
private:
    long  key;
};

class Q3PtrBucket : public Q3BaseBucket
{
public:
    Q3PtrBucket( void *k, Q3PtrCollection::Item d, Q3BaseBucket *n )
	: Q3BaseBucket(d,n), key(k) {}
    void *getKey() const { return key; }
private:
    void *key;
};


class Q_COMPAT_EXPORT Q3GDict : public Q3PtrCollection	// generic dictionary class
{
public:
    uint	count() const	{ return numItems; }
    uint	size()	const	{ return vlen; }
    Q3PtrCollection::Item look_string( const QString& key, Q3PtrCollection::Item,
				   int );
    Q3PtrCollection::Item look_ascii( const char *key, Q3PtrCollection::Item, int );
    Q3PtrCollection::Item look_int( long key, Q3PtrCollection::Item, int );
    Q3PtrCollection::Item look_ptr( void *key, Q3PtrCollection::Item, int );
#ifndef QT_NO_DATASTREAM
    QDataStream &read( QDataStream & );
    QDataStream &write( QDataStream & ) const;
#endif
protected:
    enum KeyType { StringKey, AsciiKey, IntKey, PtrKey };

    Q3GDict( uint len, KeyType kt, bool cs, bool ck );
    Q3GDict( const Q3GDict & );
   ~Q3GDict();

    Q3GDict     &operator=( const Q3GDict & );

    bool	remove_string( const QString &key, Q3PtrCollection::Item item=0 );
    bool	remove_ascii( const char *key, Q3PtrCollection::Item item=0 );
    bool	remove_int( long key, Q3PtrCollection::Item item=0 );
    bool	remove_ptr( void *key, Q3PtrCollection::Item item=0 );
    Q3PtrCollection::Item take_string( const QString &key );
    Q3PtrCollection::Item take_ascii( const char *key );
    Q3PtrCollection::Item take_int( long key );
    Q3PtrCollection::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 &, Q3PtrCollection::Item & );
    virtual QDataStream &write( QDataStream &, Q3PtrCollection::Item ) const;
#endif
private:
    Q3BaseBucket **vec;
    uint	vlen;
    uint	numItems;
    uint	keytype	: 2;
    uint	cases	: 1;
    uint	copyk	: 1;
    Q3GDItList  *iterators;
    void	   unlink_common( int, Q3BaseBucket *, Q3BaseBucket * );
    Q3StringBucket *unlink_string( const QString &,
				  Q3PtrCollection::Item item = 0 );
    Q3AsciiBucket  *unlink_ascii( const char *, Q3PtrCollection::Item item = 0 );
    Q3IntBucket    *unlink_int( long, Q3PtrCollection::Item item = 0 );
    Q3PtrBucket    *unlink_ptr( void *, Q3PtrCollection::Item item = 0 );
    void	init( uint, KeyType, bool, bool );
    friend class Q3GDictIterator;
};


class Q_COMPAT_EXPORT Q3GDictIterator			// generic dictionary iterator
{
friend class Q3GDict;
public:
    Q3GDictIterator( const Q3GDict & );
    Q3GDictIterator( const Q3GDictIterator & );
    Q3GDictIterator &operator=( const Q3GDictIterator & );
   ~Q3GDictIterator();

    Q3PtrCollection::Item toFirst();

    Q3PtrCollection::Item get()	     const;
    QString	      getKeyString() const;
    const char	     *getKeyAscii()  const;
    long	      getKeyInt()    const;
    void	     *getKeyPtr()    const;

    Q3PtrCollection::Item operator()();
    Q3PtrCollection::Item operator++();
    Q3PtrCollection::Item operator+=(uint);

protected:
    Q3GDict	     *dict;

private:
    Q3BaseBucket      *curNode;
    uint	      curIndex;
};

inline Q3PtrCollection::Item Q3GDictIterator::get() const
{
    return curNode ? curNode->getData() : 0;
}

inline QString Q3GDictIterator::getKeyString() const
{
    return curNode ? ((Q3StringBucket*)curNode)->getKey() : QString();
}

inline const char *Q3GDictIterator::getKeyAscii() const
{
    return curNode ? ((Q3AsciiBucket*)curNode)->getKey() : 0;
}

inline long Q3GDictIterator::getKeyInt() const
{
    return curNode ? ((Q3IntBucket*)curNode)->getKey() : 0;
}

inline void *Q3GDictIterator::getKeyPtr() const
{
    return curNode ? ((Q3PtrBucket*)curNode)->getKey() : 0;
}

QT_END_NAMESPACE

QT_END_HEADER

#endif // Q3GDICT_H