/* * Copyright (C) 2012 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. * 3. Neither the name of Apple 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 GOOGLE 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. */ #ifndef IDBDatabaseMetadata_h #define IDBDatabaseMetadata_h #include "IDBObjectStoreMetadata.h" #if ENABLE(INDEXED_DATABASE) namespace WebCore { struct IDBDatabaseMetadata { // FIXME: These are only here to support the LevelDB backend which incorrectly handles versioning. // Once LevelDB supports a single, uint64_t version and throws out the old string version, these // should be gotten rid of. // Also, "NoIntVersion" used to be a magic number of -1, which doesn't work with the new unsigned type. // Changing the value to INT64_MAX here seems like a reasonable temporary fix as the current LevelDB // already cannot represent valid version numbers between INT64_MAX and UINT64_MAX. #ifndef INT64_MAX #define INT64_MAX 9223372036854775807LL #endif enum { NoIntVersion = INT64_MAX, DefaultIntVersion = 0 }; IDBDatabaseMetadata() : id(0) , version(0) , maxObjectStoreId(0) { } IDBDatabaseMetadata(const String& name, int64_t id, uint64_t version, int64_t maxObjectStoreId) : name(name) , id(id) , version(version) , maxObjectStoreId(maxObjectStoreId) { } String name; int64_t id; uint64_t version; int64_t maxObjectStoreId; typedef HashMap<int64_t, IDBObjectStoreMetadata> ObjectStoreMap; ObjectStoreMap objectStores; WEBCORE_EXPORT IDBDatabaseMetadata isolatedCopy() const; }; } // namespace WebCore #endif // ENABLE(INDEXED_DATABASE) #endif // IDBDatabaseMetadata_h