| /* |
| * Copyright (C) 2007, 2008 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| #include "JSVariableObject.h" |
| |
| #include "PropertyNameArray.h" |
| #include "property_map.h" |
| |
| namespace KJS { |
| |
| UString::Rep* IdentifierRepHashTraits::nullRepPtr = &UString::Rep::null; // Didn't want to make a whole source file for just this. |
| |
| void JSVariableObject::saveLocalStorage(SavedProperties& p) const |
| { |
| ASSERT(d->symbolTable); |
| ASSERT(static_cast<size_t>(d->symbolTable->size()) == d->localStorage.size()); |
| |
| unsigned count = d->symbolTable->size(); |
| |
| p.properties.clear(); |
| p.count = count; |
| |
| if (!count) |
| return; |
| |
| p.properties.set(new SavedProperty[count]); |
| |
| SymbolTable::const_iterator end = d->symbolTable->end(); |
| for (SymbolTable::const_iterator it = d->symbolTable->begin(); it != end; ++it) { |
| size_t i = it->second; |
| const LocalStorageEntry& entry = d->localStorage[i]; |
| p.properties[i].init(it->first.get(), entry.value, entry.attributes); |
| } |
| } |
| |
| void JSVariableObject::restoreLocalStorage(const SavedProperties& p) |
| { |
| unsigned count = p.count; |
| d->symbolTable->clear(); |
| d->localStorage.resize(count); |
| SavedProperty* property = p.properties.get(); |
| for (size_t i = 0; i < count; ++i, ++property) { |
| ASSERT(!d->symbolTable->contains(property->name())); |
| LocalStorageEntry& entry = d->localStorage[i]; |
| d->symbolTable->set(property->name(), i); |
| entry.value = property->value(); |
| entry.attributes = property->attributes(); |
| } |
| } |
| |
| bool JSVariableObject::deleteProperty(ExecState* exec, const Identifier& propertyName) |
| { |
| if (symbolTable().contains(propertyName.ustring().rep())) |
| return false; |
| |
| return JSObject::deleteProperty(exec, propertyName); |
| } |
| |
| void JSVariableObject::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames) |
| { |
| SymbolTable::const_iterator::Keys end = symbolTable().end().keys(); |
| for (SymbolTable::const_iterator::Keys it = symbolTable().begin().keys(); it != end; ++it) |
| propertyNames.add(Identifier(it->get())); |
| |
| JSObject::getPropertyNames(exec, propertyNames); |
| } |
| |
| void JSVariableObject::mark() |
| { |
| JSObject::mark(); |
| |
| size_t size = d->localStorage.size(); |
| for (size_t i = 0; i < size; ++i) { |
| JSValue* value = d->localStorage[i].value; |
| if (!value->marked()) |
| value->mark(); |
| } |
| } |
| |
| } // namespace KJS |