134 lines
3.6 KiB
C++
134 lines
3.6 KiB
C++
/*
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* Copyright (C) 2008 Apple Inc. All Rights Reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "config.h"
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#include "Storage.h"
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#include "Document.h"
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#include "Frame.h"
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#include "LegacySchemeRegistry.h"
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#include "Page.h"
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#include "SecurityOrigin.h"
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#include "StorageArea.h"
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#include "StorageType.h"
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#include <wtf/IsoMallocInlines.h>
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#include <wtf/text/WTFString.h>
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namespace WebCore {
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WTF_MAKE_ISO_ALLOCATED_IMPL(Storage);
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Ref<Storage> Storage::create(DOMWindow& window, Ref<StorageArea>&& storageArea)
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{
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return adoptRef(*new Storage(window, WTFMove(storageArea)));
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}
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Storage::Storage(DOMWindow& window, Ref<StorageArea>&& storageArea)
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: DOMWindowProperty(&window)
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, m_storageArea(WTFMove(storageArea))
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{
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ASSERT(frame());
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m_storageArea->incrementAccessCount();
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}
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Storage::~Storage()
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{
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m_storageArea->decrementAccessCount();
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}
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unsigned Storage::length() const
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{
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return m_storageArea->length();
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}
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String Storage::key(unsigned index) const
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{
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return m_storageArea->key(index);
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}
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String Storage::getItem(const String& key) const
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{
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return m_storageArea->item(key);
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}
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ExceptionOr<void> Storage::setItem(const String& key, const String& value)
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{
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auto* frame = this->frame();
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if (!frame)
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return Exception { InvalidAccessError };
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bool quotaException = false;
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m_storageArea->setItem(frame, key, value, quotaException);
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if (quotaException)
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return Exception { QuotaExceededError };
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return { };
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}
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ExceptionOr<void> Storage::removeItem(const String& key)
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{
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auto* frame = this->frame();
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if (!frame)
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return Exception { InvalidAccessError };
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m_storageArea->removeItem(frame, key);
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return { };
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}
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ExceptionOr<void> Storage::clear()
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{
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auto* frame = this->frame();
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if (!frame)
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return Exception { InvalidAccessError };
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m_storageArea->clear(frame);
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return { };
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}
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bool Storage::contains(const String& key) const
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{
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return m_storageArea->contains(key);
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}
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bool Storage::isSupportedPropertyName(const String& propertyName) const
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{
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return m_storageArea->contains(propertyName);
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}
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Vector<AtomString> Storage::supportedPropertyNames() const
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{
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unsigned length = m_storageArea->length();
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Vector<AtomString> result;
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result.reserveInitialCapacity(length);
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for (unsigned i = 0; i < length; ++i)
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result.uncheckedAppend(m_storageArea->key(i));
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return result;
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}
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} // namespace WebCore
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