identifier.h
/*
* 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"
namespace KJS {
class KJS_EXPORT Identifier {
friend class PropertyMap;
public:
Identifier() { }
Identifier(const char *s) : _ustring(add(s)) { }
Identifier(const UChar *s, int length) : _ustring(add(s, length)) { }
explicit Identifier(const UString &s) : _ustring(add(s.rep)) { }
const UString &ustring() const { return _ustring; }
DOM::DOMString string() const;
QString qstring() const;
const UChar *data() const { return _ustring.data(); }
int size() const { return _ustring.size(); }
const char *ascii() const { return _ustring.ascii(); }
static Identifier from(unsigned y) { return Identifier(UString::from(y)); }
bool isNull() const { return _ustring.isNull(); }
bool isEmpty() const { return _ustring.isEmpty(); }
unsigned long toULong(bool *ok) const { return _ustring.toULong(ok); }
unsigned toStrictUInt32(bool *ok) const { return _ustring.toStrictUInt32(ok); }
unsigned toArrayIndex(bool *ok) const { return _ustring.toArrayIndex(ok); }
double toDouble() const { return _ustring.toDouble(); }
static const Identifier &null();
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 *);
private:
UString _ustring;
static bool equal(UString::Rep *, const char *);
static bool equal(UString::Rep *, const UChar *, int length);
static bool equal(UString::Rep *, UString::Rep *);
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 UString::Rep *add(const char *);
static UString::Rep *add(const UChar *, int length);
static UString::Rep *add(UString::Rep *);
static void insert(UString::Rep *);
static void rehash(int newTableSize);
static void expand();
static void shrink();
// TODO: move into .cpp file
static UString::Rep **_table;
static int _tableSize;
static int _tableSizeMask;
static int _keyCount;
};
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); }
KJS_EXPORT extern const Identifier argumentsPropertyName;
KJS_EXPORT extern const Identifier calleePropertyName;
KJS_EXPORT extern const Identifier callerPropertyName;
KJS_EXPORT extern const Identifier constructorPropertyName;
KJS_EXPORT extern const Identifier lengthPropertyName;
KJS_EXPORT extern const Identifier messagePropertyName;
KJS_EXPORT extern const Identifier namePropertyName;
KJS_EXPORT extern const Identifier prototypePropertyName;
KJS_EXPORT extern const Identifier specialPrototypePropertyName;
KJS_EXPORT extern const Identifier toLocaleStringPropertyName;
KJS_EXPORT extern const Identifier toStringPropertyName;
KJS_EXPORT extern const Identifier valueOfPropertyName;
}
#endif
KJS::UString::from
static UString from(int i)
Constructs a string from an int.
Definition: ustring.cpp:341
KJS::Identifier::isNull
bool isNull() const
Returns the identfiers state of being unset.
Definition: identifier.h:78
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
KStdAccel::insert
const KShortcut & insert()
KJS::Identifier::isEmpty
bool isEmpty() const
Returns that the identifiers string is set, but is empty.
Definition: identifier.h:82
KJS::Identifier::Identifier
Identifier(const char *s)
Creates an identifier with the name of the string.
Definition: identifier.h:45
KJS::Identifier::ascii
const char * ascii() const
Char * of the identifier's string.
Definition: identifier.h:71
KJS::UString
Unicode string class.
Definition: ustring.h:189
KJS::UChar
Unicode character.
Definition: ustring.h:51
KJS::Identifier::ustring
const UString & ustring() const
returns a UString of the identifier
Definition: identifier.h:52
KJS::Identifier::size
int size() const
The size of the UChar string returned.
Definition: identifier.h:66
KJS::Identifier::Identifier
Identifier()
Creates an empty identifier.
Definition: identifier.h:38
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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