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/*
* Copyright (C) 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.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 INC. OR
* 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 "modules/storage/Storage.h"
#include "bindings/core/v8/ExceptionState.h"
#include "wtf/PassRefPtr.h"
#include "wtf/text/WTFString.h"
namespace blink {
Storage* Storage::create(LocalFrame* frame, StorageArea* storageArea) {
return new Storage(frame, storageArea);
}
Storage::Storage(LocalFrame* frame, StorageArea* storageArea)
: ContextClient(frame), m_storageArea(storageArea) {
DCHECK(frame);
DCHECK(m_storageArea);
}
String Storage::anonymousNamedGetter(const AtomicString& name,
ExceptionState& exceptionState) {
bool found = contains(name, exceptionState);
if (exceptionState.hadException() || !found)
return String();
String result = getItem(name, exceptionState);
if (exceptionState.hadException())
return String();
return result;
}
bool Storage::anonymousNamedSetter(const AtomicString& name,
const AtomicString& value,
ExceptionState& exceptionState) {
setItem(name, value, exceptionState);
return true;
}
DeleteResult Storage::anonymousNamedDeleter(const AtomicString& name,
ExceptionState& exceptionState) {
bool found = contains(name, exceptionState);
if (!found)
return DeleteUnknownProperty;
if (exceptionState.hadException())
return DeleteReject;
removeItem(name, exceptionState);
if (exceptionState.hadException())
return DeleteReject;
return DeleteSuccess;
}
void Storage::namedPropertyEnumerator(Vector<String>& names,
ExceptionState& exceptionState) {
unsigned length = this->length(exceptionState);
if (exceptionState.hadException())
return;
names.resize(length);
for (unsigned i = 0; i < length; ++i) {
String key = this->key(i, exceptionState);
if (exceptionState.hadException())
return;
ASSERT(!key.isNull());
String val = getItem(key, exceptionState);
if (exceptionState.hadException())
return;
names[i] = key;
}
}
bool Storage::namedPropertyQuery(const AtomicString& name,
ExceptionState& exceptionState) {
if (name == "length")
return false;
bool found = contains(name, exceptionState);
if (exceptionState.hadException() || !found)
return false;
return true;
}
DEFINE_TRACE(Storage) {
visitor->trace(m_storageArea);
ContextClient::trace(visitor);
}
} // namespace blink
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