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identifier.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_IDENTIFIER_H
23#define KJS_IDENTIFIER_H
24
25#include "ustring.h"
26
27namespace KJS {
28
32 class KJS_EXPORT Identifier {
33 friend class PropertyMap;
34 public:
38 Identifier() { }
45 Identifier(const char *s) : _ustring(add(s)) { }
46 Identifier(const UChar *s, int length) : _ustring(add(s, length)) { }
47 explicit Identifier(const UString &s) : _ustring(add(s.rep)) { }
48
52 const UString &ustring() const { return _ustring; }
53 DOM::DOMString string() const;
57 TQString qstring() const;
58
62 const UChar *data() const { return _ustring.data(); }
66 int size() const { return _ustring.size(); }
67
71 const char *ascii() const { return _ustring.ascii(); }
72
73 static Identifier from(unsigned y) { return Identifier(UString::from(y)); }
74
78 bool isNull() const { return _ustring.isNull(); }
82 bool isEmpty() const { return _ustring.isEmpty(); }
83
84 unsigned long toULong(bool *ok) const { return _ustring.toULong(ok); }
85 unsigned toStrictUInt32(bool *ok) const { return _ustring.toStrictUInt32(ok); }
86 unsigned toArrayIndex(bool *ok) const { return _ustring.toArrayIndex(ok); }
87
88 double toDouble() const { return _ustring.toDouble(); }
89
93 static const Identifier &null();
94
95 friend bool operator==(const Identifier &, const Identifier &);
96 friend bool operator!=(const Identifier &, const Identifier &);
97
98 friend bool operator==(const Identifier &, const char *);
99
100 static void remove(UString::Rep *);
101
102 private:
103 UString _ustring;
104
105 static bool equal(UString::Rep *, const char *);
106 static bool equal(UString::Rep *, const UChar *, int length);
107 static bool equal(UString::Rep *, UString::Rep *);
108
109 static bool equal(const Identifier &a, const Identifier &b)
110 { return a._ustring.rep == b._ustring.rep; }
111 static bool equal(const Identifier &a, const char *b)
112 { return equal(a._ustring.rep, b); }
113
114 static UString::Rep *add(const char *);
115 static UString::Rep *add(const UChar *, int length);
116 static UString::Rep *add(UString::Rep *);
117
118 static void insert(UString::Rep *);
119
120 static void rehash(int newTableSize);
121 static void expand();
122 static void shrink();
123
124 // TODO: move into .cpp file
125 static UString::Rep **_table;
126 static int _tableSize;
127 static int _tableSizeMask;
128 static int _keyCount;
129 };
130
131 inline bool operator==(const Identifier &a, const Identifier &b)
132 { return Identifier::equal(a, b); }
133
134 inline bool operator!=(const Identifier &a, const Identifier &b)
135 { return !Identifier::equal(a, b); }
136
137 inline bool operator==(const Identifier &a, const char *b)
138 { return Identifier::equal(a, b); }
139
140 KJS_EXPORT extern const Identifier argumentsPropertyName;
141 KJS_EXPORT extern const Identifier calleePropertyName;
142 KJS_EXPORT extern const Identifier callerPropertyName;
143 KJS_EXPORT extern const Identifier constructorPropertyName;
144 KJS_EXPORT extern const Identifier lengthPropertyName;
145 KJS_EXPORT extern const Identifier messagePropertyName;
146 KJS_EXPORT extern const Identifier namePropertyName;
147 KJS_EXPORT extern const Identifier prototypePropertyName;
148 KJS_EXPORT extern const Identifier specialPrototypePropertyName;
149 KJS_EXPORT extern const Identifier toLocaleStringPropertyName;
150 KJS_EXPORT extern const Identifier toStringPropertyName;
151 KJS_EXPORT extern const Identifier valueOfPropertyName;
152
153}
154
155#endif
KJS::Identifier
Represents an Identifier for a Javascript object.
Definition: identifier.h:32
KJS::Identifier::Identifier
Identifier()
Creates an empty identifier.
Definition: identifier.h:38
KJS::Identifier::Identifier
Identifier(const char *s)
Creates an identifier with the name of the string.
Definition: identifier.h:45
KJS::Identifier::qstring
TQString qstring() const
returns a TQString of the identifier
KJS::Identifier::size
int size() const
The size of the UChar string returned.
Definition: identifier.h:66
KJS::Identifier::ascii
const char * ascii() const
Char * of the identifier's string.
Definition: identifier.h:71
KJS::Identifier::isNull
bool isNull() const
Returns the identfiers state of being unset.
Definition: identifier.h:78
KJS::Identifier::isEmpty
bool isEmpty() const
Returns that the identifiers string is set, but is empty.
Definition: identifier.h:82
KJS::Identifier::ustring
const UString & ustring() const
returns a UString of the identifier
Definition: identifier.h:52
KJS::Identifier::data
const UChar * data() const
returns a UChar pointer to the string of the identifier with a size defined by size().
Definition: identifier.h:62
KJS::PropertyMap
Javascript Property Map.
Definition: property_map.h:68
KJS::UString
Unicode string class.
Definition: ustring.h:189
KJS::UString::from
static UString from(int i)
Constructs a string from an int.
Definition: ustring.cpp:340
TDEStdAccel::insert
const TDEShortcut & insert()
KJS::UChar
Unicode character.
Definition: ustring.h:51

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