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Diffstat (limited to 'kjs/property_map.h')
-rw-r--r-- | kjs/property_map.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/kjs/property_map.h b/kjs/property_map.h new file mode 100644 index 000000000..4b1398e7b --- /dev/null +++ b/kjs/property_map.h @@ -0,0 +1,107 @@ +// -*- c-basic-offset: 2 -*- +/* + * 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_PROPERTY_MAP_H_ +#define _KJS_PROPERTY_MAP_H_ + +#include "identifier.h" + +namespace KJS { + + class Object; + class ReferenceList; + class ValueImp; + + class SavedProperty; + + struct PropertyMapHashTable; + +/** +* Saved Properties +*/ + class SavedProperties { + friend class PropertyMap; + public: + SavedProperties(); + ~SavedProperties(); + + private: + int _count; + SavedProperty *_properties; + + SavedProperties(const SavedProperties&); + SavedProperties& operator=(const SavedProperties&); + }; + +/** +* A hashtable entry for the @ref PropertyMap. +*/ + struct PropertyMapHashTableEntry + { + PropertyMapHashTableEntry() : key(0) { } + UString::Rep *key; + ValueImp *value; + int attributes; + }; +/** +* Javascript Property Map. +*/ + + class KJS_EXPORT PropertyMap { + public: + PropertyMap(); + ~PropertyMap(); + + void clear(); + + void put(const Identifier &name, ValueImp *value, int attributes); + void remove(const Identifier &name); + ValueImp *get(const Identifier &name) const; + ValueImp *get(const Identifier &name, int &attributes) const; + + void mark() const; + void addEnumerablesToReferenceList(ReferenceList &, const Object &) const; + void addSparseArrayPropertiesToReferenceList(ReferenceList &, const Object &) const; + + void save(SavedProperties &) const; + void restore(const SavedProperties &p); + + private: + int hash(const UString::Rep *) const; + static bool keysMatch(const UString::Rep *, const UString::Rep *); + void expand(); + + void insert(UString::Rep *, ValueImp *value, int attributes); + + void checkConsistency(); + + typedef PropertyMapHashTableEntry Entry; + typedef PropertyMapHashTable Table; + + Table *_table; + + Entry _singleEntry; + }; + +} // namespace + +#endif // _KJS_PROPERTY_MAP_H_ |