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/*
* Copyright (C) 2010 Google 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 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 "IDBIndex.h"
#if ENABLE(INDEXED_DATABASE)
#include "IDBCursorBackendInterface.h"
#include "IDBDatabaseException.h"
#include "IDBIndexBackendInterface.h"
#include "IDBKey.h"
#include "IDBKeyRange.h"
#include "IDBObjectStore.h"
#include "IDBRequest.h"
#include "IDBTransaction.h"
namespace WebCore {
static const unsigned short defaultDirection = IDBCursor::NEXT;
IDBIndex::IDBIndex(PassRefPtr<IDBIndexBackendInterface> backend, IDBObjectStore* objectStore, IDBTransaction* transaction)
: m_backend(backend)
, m_objectStore(objectStore)
, m_transaction(transaction)
{
ASSERT(m_backend);
ASSERT(m_objectStore);
ASSERT(m_transaction);
}
IDBIndex::~IDBIndex()
{
}
PassRefPtr<IDBRequest> IDBIndex::openCursor(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, unsigned short direction, ExceptionCode& ec)
{
if (direction != IDBCursor::NEXT && direction != IDBCursor::NEXT_NO_DUPLICATE && direction != IDBCursor::PREV && direction != IDBCursor::PREV_NO_DUPLICATE) {
// FIXME: May need to change when specced: http://www.w3.org/Bugs/Public/show_bug.cgi?id=11406
ec = IDBDatabaseException::CONSTRAINT_ERR;
return 0;
}
RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
request->setCursorType(IDBCursorBackendInterface::IndexCursor);
m_backend->openCursor(keyRange, direction, request, m_transaction->backend(), ec);
if (ec) {
request->markEarlyDeath();
return 0;
}
return request;
}
PassRefPtr<IDBRequest> IDBIndex::openKeyCursor(ScriptExecutionContext* context, PassRefPtr<IDBKeyRange> keyRange, unsigned short direction, ExceptionCode& ec)
{
if (direction != IDBCursor::NEXT && direction != IDBCursor::NEXT_NO_DUPLICATE && direction != IDBCursor::PREV && direction != IDBCursor::PREV_NO_DUPLICATE) {
// FIXME: May need to change when specced: http://www.w3.org/Bugs/Public/show_bug.cgi?id=11406
ec = IDBDatabaseException::CONSTRAINT_ERR;
return 0;
}
RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
request->setCursorType(IDBCursorBackendInterface::IndexKeyCursor);
m_backend->openKeyCursor(keyRange, direction, request, m_transaction->backend(), ec);
if (ec) {
request->markEarlyDeath();
return 0;
}
return request;
}
PassRefPtr<IDBRequest> IDBIndex::get(ScriptExecutionContext* context, PassRefPtr<IDBKey> key, ExceptionCode& ec)
{
RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
m_backend->get(key, request, m_transaction->backend(), ec);
if (ec) {
request->markEarlyDeath();
return 0;
}
return request;
}
PassRefPtr<IDBRequest> IDBIndex::getKey(ScriptExecutionContext* context, PassRefPtr<IDBKey> key, ExceptionCode& ec)
{
RefPtr<IDBRequest> request = IDBRequest::create(context, IDBAny::create(this), m_transaction.get());
m_backend->getKey(key, request, m_transaction->backend(), ec);
if (ec) {
request->markEarlyDeath();
return 0;
}
return request;
}
} // namespace WebCore
#endif // ENABLE(INDEXED_DATABASE)
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