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property_map.h
1 /*
2  * This file is part of the KDE libraries
3  * Copyright (C) 2003 Apple Computer, Inc.
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Library General Public
7  * License as published by the Free Software Foundation; either
8  * version 2 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Library General Public License for more details.
14  *
15  * You should have received a copy of the GNU Library General Public License
16  * along with this library; see the file COPYING.LIB. If not, write to
17  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18  * Boston, MA 02110-1301, USA.
19  *
20  */
21 
22 #ifndef _KJS_PROPERTY_MAP_H_
23 #define _KJS_PROPERTY_MAP_H_
24 
25 #include "identifier.h"
26 
27 namespace KJS {
28 
29  class Object;
30  class ReferenceList;
31  class ValueImp;
32 
33  class SavedProperty;
34 
35  struct PropertyMapHashTable;
36 
40  class SavedProperties {
41  friend class PropertyMap;
42  public:
43  SavedProperties();
44  ~SavedProperties();
45 
46  private:
47  int _count;
48  SavedProperty *_properties;
49 
50  SavedProperties(const SavedProperties&);
51  SavedProperties& operator=(const SavedProperties&);
52  };
53 
57  struct PropertyMapHashTableEntry
58  {
59  PropertyMapHashTableEntry() : key(0) { }
60  UString::Rep *key;
61  ValueImp *value;
62  int attributes;
63  };
68  class KJS_EXPORT PropertyMap {
69  public:
70  PropertyMap();
71  ~PropertyMap();
72 
73  void clear();
74 
75  void put(const Identifier &name, ValueImp *value, int attributes);
76  void remove(const Identifier &name);
77  ValueImp *get(const Identifier &name) const;
78  ValueImp *get(const Identifier &name, int &attributes) const;
79 
80  void mark() const;
81  void addEnumerablesToReferenceList(ReferenceList &, const Object &) const;
82  void addSparseArrayPropertiesToReferenceList(ReferenceList &, const Object &) const;
83 
84  void save(SavedProperties &) const;
85  void restore(const SavedProperties &p);
86 
87  private:
88  int hash(const UString::Rep *) const;
89  static bool keysMatch(const UString::Rep *, const UString::Rep *);
90  void expand();
91 
92  void insert(UString::Rep *, ValueImp *value, int attributes);
93 
94  void checkConsistency();
95 
96  typedef PropertyMapHashTableEntry Entry;
97  typedef PropertyMapHashTable Table;
98 
99  Table *_table;
100 
101  Entry _singleEntry;
102  };
103 
104 } // namespace
105 
106 #endif // _KJS_PROPERTY_MAP_H_
KJS::Identifier
Represents an Identifier for a Javascript object.
Definition: identifier.h:32
KJS::Object
Represents an Object.
Definition: object.h:81
KJS::PropertyMap
Javascript Property Map.
Definition: property_map.h:68
KJS::ReferenceList
A list of Reference objects.
Definition: reference_list.h:53
KJS::SavedProperties
Saved Properties.
Definition: property_map.h:40
KJS::ValueImp
ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...
Definition: value.h:78
KJS::PropertyMapHashTableEntry
A hashtable entry for the PropertyMap.
Definition: property_map.h:58

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