| /* |
| * 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. |
| */ |
| |
| #ifndef IDBAny_h |
| #define IDBAny_h |
| |
| #include "bindings/core/v8/ScriptWrappable.h" |
| #include "core/dom/DOMStringList.h" |
| #include "modules/ModulesExport.h" |
| #include "modules/indexeddb/IDBKey.h" |
| #include "modules/indexeddb/IDBValue.h" |
| #include "wtf/Forward.h" |
| #include "wtf/text/WTFString.h" |
| |
| namespace blink { |
| |
| class IDBCursor; |
| class IDBCursorWithValue; |
| class IDBDatabase; |
| class IDBIndex; |
| class IDBObjectStore; |
| class WebBlobInfo; |
| |
| // IDBAny is used for: |
| // * source of IDBCursor (IDBObjectStore or IDBIndex) |
| // * source of IDBRequest (IDBObjectStore, IDBIndex, IDBCursor, or null) |
| // * result of IDBRequest (IDBDatabase, IDBCursor, DOMStringList, undefined, |
| // integer, key or value) |
| // |
| // This allows for lazy conversion to script values (via IDBBindingUtilities), |
| // and avoids the need for many dedicated union types. |
| |
| class MODULES_EXPORT IDBAny : public GarbageCollectedFinalized<IDBAny> { |
| public: |
| static IDBAny* createUndefined(); |
| static IDBAny* createNull(); |
| template <typename T> |
| static IDBAny* create(T* idbObject) { |
| return new IDBAny(idbObject); |
| } |
| static IDBAny* create(DOMStringList* domStringList) { |
| return new IDBAny(domStringList); |
| } |
| static IDBAny* create(int64_t value) { return new IDBAny(value); } |
| static IDBAny* create(PassRefPtr<IDBValue> value) { |
| return new IDBAny(std::move(value)); |
| } |
| static IDBAny* create(const Vector<RefPtr<IDBValue>>& values) { |
| return new IDBAny(values); |
| } |
| ~IDBAny(); |
| DECLARE_TRACE(); |
| void contextWillBeDestroyed(); |
| |
| enum Type { |
| UndefinedType = 0, |
| NullType, |
| DOMStringListType, |
| IDBCursorType, |
| IDBCursorWithValueType, |
| IDBDatabaseType, |
| IDBIndexType, |
| IDBObjectStoreType, |
| IntegerType, |
| KeyType, |
| IDBValueType, |
| IDBValueArrayType |
| }; |
| |
| Type getType() const { return m_type; } |
| // Use type() to figure out which one of these you're allowed to call. |
| DOMStringList* domStringList() const; |
| IDBCursor* idbCursor() const; |
| IDBCursorWithValue* idbCursorWithValue() const; |
| IDBDatabase* idbDatabase() const; |
| IDBIndex* idbIndex() const; |
| IDBObjectStore* idbObjectStore() const; |
| IDBValue* value() const; |
| const Vector<RefPtr<IDBValue>>* values() const; |
| int64_t integer() const; |
| const IDBKey* key() const; |
| |
| private: |
| explicit IDBAny(Type); |
| explicit IDBAny(DOMStringList*); |
| explicit IDBAny(IDBCursor*); |
| explicit IDBAny(IDBDatabase*); |
| explicit IDBAny(IDBIndex*); |
| explicit IDBAny(IDBObjectStore*); |
| explicit IDBAny(IDBKey*); |
| explicit IDBAny(const Vector<RefPtr<IDBValue>>&); |
| explicit IDBAny(PassRefPtr<IDBValue>); |
| explicit IDBAny(int64_t); |
| |
| const Type m_type; |
| |
| // Only one of the following should ever be in use at any given time. |
| const Member<DOMStringList> m_domStringList; |
| const Member<IDBCursor> m_idbCursor; |
| const Member<IDBDatabase> m_idbDatabase; |
| const Member<IDBIndex> m_idbIndex; |
| const Member<IDBObjectStore> m_idbObjectStore; |
| const Member<IDBKey> m_idbKey; |
| const RefPtr<IDBValue> m_idbValue; |
| const Vector<RefPtr<IDBValue>> m_idbValues; |
| const int64_t m_integer = 0; |
| }; |
| |
| } // namespace blink |
| |
| #endif // IDBAny_h |