1 files changed, 132 insertions, 0 deletions
diff --git a/Source/WebCore/Modules/indexeddb/IDBGetAllResult.h b/Source/WebCore/Modules/indexeddb/IDBGetAllResult.h
new file mode 100644
index 000000000..ef7c2578e
--- /dev/null
+++ b/Source/WebCore/Modules/indexeddb/IDBGetAllResult.h
@@ -0,0 +1,132 @@
+/*
+ * Copyright (C) 2016 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. 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 INC. 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.
+ */
+
+#pragma once
+
+#if ENABLE(INDEXED_DATABASE)
+
+#include "IDBKeyData.h"
+#include "IDBValue.h"
+#include "IndexedDB.h"
+
+#include <wtf/Variant.h>
+
+namespace WebCore {
+
+class IDBGetAllResult {
+public:
+    IDBGetAllResult()
+    {
+    }
+
+    IDBGetAllResult(IndexedDB::GetAllType type)
+        : m_type(type)
+    {
+        switch (m_type) {
+        case IndexedDB::GetAllType::Keys:
+            m_results = Vector<IDBKeyData>();
+            break;
+        case IndexedDB::GetAllType::Values:
+            m_results = Vector<IDBValue>();
+            break;
+        }
+    }
+
+    enum IsolatedCopyTag { IsolatedCopy };
+    IDBGetAllResult(const IDBGetAllResult&, IsolatedCopyTag);
+    IDBGetAllResult isolatedCopy() const;
+
+    IndexedDB::GetAllType type() const { return m_type; }
+    const Vector<IDBKeyData>& keys() const;
+    const Vector<IDBValue>& values() const;
+
+    void addKey(IDBKeyData&&);
+    void addValue(IDBValue&&);
+
+    template<class Encoder> void encode(Encoder&) const;
+    template<class Decoder> static bool decode(Decoder&, IDBGetAllResult&);
+
+    WEBCORE_EXPORT Vector<String> allBlobFilePaths() const;
+
+private:
+    static void isolatedCopy(const IDBGetAllResult& source, IDBGetAllResult& destination);
+
+    IndexedDB::GetAllType m_type { IndexedDB::GetAllType::Keys };
+    WTF::Variant<Vector<IDBKeyData>, Vector<IDBValue>, std::nullptr_t> m_results { nullptr };
+};
+
+template<class Encoder>
+void IDBGetAllResult::encode(Encoder& encoder) const
+{
+    encoder << m_type << static_cast<uint64_t>(m_results.index());
+
+    switch (m_results.index()) {
+    case 0:
+        encoder << WTF::get<Vector<IDBKeyData>>(m_results);
+        break;
+    case 1:
+        encoder << WTF::get<Vector<IDBValue>>(m_results);
+        break;
+    case 2:
+        break;
+    default:
+        RELEASE_ASSERT_NOT_REACHED();
+    }
+}
+
+template<class Decoder>
+bool IDBGetAllResult::decode(Decoder& decoder, IDBGetAllResult& result)
+{
+    if (!decoder.decode(result.m_type))
+        return false;
+
+    uint64_t index;
+    if (!decoder.decode(index))
+        return false;
+
+    switch (index) {
+    case 0:
+        result.m_results = Vector<IDBKeyData>();
+        if (!decoder.decode(WTF::get<Vector<IDBKeyData>>(result.m_results)))
+            return false;
+        break;
+    case 1:
+        result.m_results = Vector<IDBValue>();
+        if (!decoder.decode(WTF::get<Vector<IDBValue>>(result.m_results)))
+            return false;
+        break;
+    case 2:
+        result.m_results = nullptr;
+        break;
+    default:
+        RELEASE_ASSERT_NOT_REACHED();
+    }
+
+    return true;
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(INDEXED_DATABASE)