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property_map.h
1 // -*- c-basic-offset: 2 -*-
2 /*
3  * This file is part of the KDE libraries
4  * Copyright (C) 2003 Apple Computer, Inc.
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Library General Public
8  * License as published by the Free Software Foundation; either
9  * version 2 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Library General Public License for more details.
15  *
16  * You should have received a copy of the GNU Library General Public License
17  * along with this library; see the file COPYING.LIB. If not, write to
18  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19  * Boston, MA 02110-1301, USA.
20  *
21  */
22 
23 #ifndef _KJS_PROPERTY_MAP_H_
24 #define _KJS_PROPERTY_MAP_H_
25 
26 #include "identifier.h"
27 
28 namespace KJS {
29 
30  class Object;
31  class ReferenceList;
32  class ValueImp;
33 
34  class SavedProperty;
35 
36  struct PropertyMapHashTable;
37 
41  class SavedProperties {
42  friend class PropertyMap;
43  public:
44  SavedProperties();
45  ~SavedProperties();
46 
47  private:
48  int _count;
49  SavedProperty *_properties;
50 
51  SavedProperties(const SavedProperties&);
52  SavedProperties& operator=(const SavedProperties&);
53  };
54 
58  struct PropertyMapHashTableEntry
59  {
60  PropertyMapHashTableEntry() : key(0) { }
61  UString::Rep *key;
62  ValueImp *value;
63  int attributes;
64  };
69  class KJS_EXPORT PropertyMap {
70  public:
71  PropertyMap();
72  ~PropertyMap();
73 
74  void clear();
75 
76  void put(const Identifier &name, ValueImp *value, int attributes);
77  void remove(const Identifier &name);
78  ValueImp *get(const Identifier &name) const;
79  ValueImp *get(const Identifier &name, int &attributes) const;
80 
81  void mark() const;
82  void addEnumerablesToReferenceList(ReferenceList &, const Object &) const;
83  void addSparseArrayPropertiesToReferenceList(ReferenceList &, const Object &) const;
84 
85  void save(SavedProperties &) const;
86  void restore(const SavedProperties &p);
87 
88  private:
89  int hash(const UString::Rep *) const;
90  static bool keysMatch(const UString::Rep *, const UString::Rep *);
91  void expand();
92 
93  void insert(UString::Rep *, ValueImp *value, int attributes);
94 
95  void checkConsistency();
96 
97  typedef PropertyMapHashTableEntry Entry;
98  typedef PropertyMapHashTable Table;
99 
100  Table *_table;
101 
102  Entry _singleEntry;
103  };
104 
105 } // namespace
106 
107 #endif // _KJS_PROPERTY_MAP_H_
KJS::PropertyMapHashTableEntry
A hashtable entry for the PropertyMap.
Definition: property_map.h:58
KJS::Object
Represents an Object.
Definition: object.h:82
KJS::SavedProperties
Saved Properties.
Definition: property_map.h:41
KJS
Definition: array_instance.h:28
KJS::ValueImp
ValueImp is the base type for all primitives (Undefined, Null, Boolean, String, Number) and objects i...
Definition: value.h:79
KJS::ReferenceList
A list of Reference objects.
Definition: reference_list.h:54
KJS::Identifier
Represents an Identifier for a Javascript object.
Definition: identifier.h:32
KJS::PropertyMap
Javascript Property Map.
Definition: property_map.h:69

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