File: identifier.h

package info (click to toggle)
kde4libs 4%3A4.14.2-5%2Bdeb8u2
  • links: PTS, VCS
  • area: main
  • in suites: jessie
  • size: 82,428 kB
  • ctags: 99,415
  • sloc: cpp: 761,864; xml: 12,344; ansic: 6,295; java: 4,060; perl: 2,938; yacc: 2,507; python: 1,207; sh: 1,179; ruby: 337; lex: 278; makefile: 29
file content (132 lines) | stat: -rw-r--r-- 4,314 bytes parent folder | download | duplicates (5)
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
/*
 *  This file is part of the KDE libraries
 *  Copyright (C) 2003 Apple Computer, Inc
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU Library General Public
 *  License as published by the Free Software Foundation; either
 *  version 2 of the License, or (at your option) any later version.
 *
 *  This library is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 *  Library General Public License for more details.
 *
 *  You should have received a copy of the GNU Library General Public License
 *  along with this library; see the file COPYING.LIB.  If not, write to
 *  the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 *  Boston, MA 02110-1301, USA.
 *
 */

#ifndef KJS_IDENTIFIER_H
#define KJS_IDENTIFIER_H

#include "ustring.h"

#include <wtf/HashFunctions.h>
#include <wtf/HashTraits.h>

namespace KJS {

  /**
   * Represents an Identifier for a Javascript object.
   */
    class KJS_EXPORT Identifier {
        friend class PropertyMap;
    public:
	/**
	* Creates an empty identifier
	*/
        Identifier() { }
	/**
	* Creates an identifier with the name of the string
	* @code
	* KJS::Identifier method("someJSMethod");
	* @endcode
	*/
        Identifier(const char* s) : _ustring(add(s)) { }
        Identifier(const UChar* s, int length) : _ustring(add(s, length)) { }
        explicit Identifier(UString::Rep* rep) : _ustring(add(rep)) { }
        explicit Identifier(const UString& s) : _ustring(add(s.rep())) { }


	/**
	* returns a UString of the identifier
	*/
        const UString& ustring() const { return _ustring; }
        KJS_EXTERNAL_EXPORT DOM::DOMString domString() const;
        /**
	* returns a QString of the identifier
	*/
        KJS_EXTERNAL_EXPORT QString qstring() const;

	/**
	* returns a UChar pointer to the string of the identifier with a size defined by size().
	*/
        const UChar* data() const { return _ustring.data(); }
	/**
	* The size of the UChar string returned.
	*/
        int size() const { return _ustring.size(); }

	/**
	* Char * of the identifier's string.
	*/
        const char* ascii() const { return _ustring.ascii(); }

        static Identifier from(unsigned y) { return Identifier(UString::from(y)); }

	/**
	* Returns the identfiers state of being unset.
	*/
        bool isNull() const { return _ustring.isNull(); }
	/**
	* Returns that the identifiers string is set, but is empty.
	*/
        bool isEmpty() const { return _ustring.isEmpty(); }

        uint32_t toStrictUInt32(bool* ok) const { return _ustring.toStrictUInt32(ok); }
        unsigned toArrayIndex(bool* ok) const { return _ustring.toArrayIndex(ok); }
        double toDouble() const { return _ustring.toDouble(); }

        friend bool operator==(const Identifier&, const Identifier&);
        friend bool operator!=(const Identifier&, const Identifier&);

        friend bool operator==(const Identifier&, const char*);

        static void remove(UString::Rep*);
        static bool equal(const UString::Rep*, const char*);
        static bool equal(const UString::Rep*, const UChar*, int length);

    private:
        UString _ustring;

        static bool equal(const Identifier& a, const Identifier& b)
            { return a._ustring.rep() == b._ustring.rep(); }
        static bool equal(const Identifier& a, const char* b)
            { return equal(a._ustring.rep(), b); }

        static PassRefPtr<UString::Rep> add(const char*);
        static PassRefPtr<UString::Rep> add(const UChar*, int length);
        static PassRefPtr<UString::Rep> add(UString::Rep* r)
        {
            if (r->isIdentifier)
                return r;
            return addSlowCase(r);
        }
        static PassRefPtr<UString::Rep> addSlowCase(UString::Rep *r);
    };

    inline bool operator==(const Identifier& a, const Identifier& b)
        { return Identifier::equal(a, b); }

    inline bool operator!=(const Identifier& a, const Identifier& b)
        { return !Identifier::equal(a, b); }

    inline bool operator==(const Identifier& a, const char* b)
        { return Identifier::equal(a, b); }

} // namespace KJS

#endif // KJS_IDENTIFIER_H