1 files changed, 118 insertions, 0 deletions
diff --git a/Source/WebCore/Modules/indexeddb/IDBGetAllResult.cpp b/Source/WebCore/Modules/indexeddb/IDBGetAllResult.cpp
new file mode 100644
index 000000000..4a45a37a2
--- /dev/null
+++ b/Source/WebCore/Modules/indexeddb/IDBGetAllResult.cpp
@@ -0,0 +1,118 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "IDBGetAllResult.h"
+
+#if ENABLE(INDEXED_DATABASE)
+
+#include <wtf/HashSet.h>
+
+namespace WebCore {
+
+template<typename T> void isolatedCopyOfVariant(const WTF::Variant<Vector<IDBKeyData>, Vector<IDBValue>, std::nullptr_t>& source, WTF::Variant<Vector<IDBKeyData>, Vector<IDBValue>, std::nullptr_t>& target)
+{
+    target = Vector<T>();
+    auto& sourceVector = WTF::get<Vector<T>>(source);
+    auto& targetVector = WTF::get<Vector<T>>(target);
+    targetVector.reserveInitialCapacity(sourceVector.size());
+    for (auto& element : sourceVector)
+        targetVector.uncheckedAppend(element.isolatedCopy());
+}
+
+IDBGetAllResult::IDBGetAllResult(const IDBGetAllResult& that, IsolatedCopyTag)
+{
+    isolatedCopy(that, *this);
+}
+
+IDBGetAllResult IDBGetAllResult::isolatedCopy() const
+{
+    return { *this, IsolatedCopy };
+}
+
+void IDBGetAllResult::isolatedCopy(const IDBGetAllResult& source, IDBGetAllResult& destination)
+{
+    destination.m_type = source.m_type;
+
+    if (WTF::holds_alternative<std::nullptr_t>(source.m_results))
+        return;
+
+    switch (source.m_type) {
+    case IndexedDB::GetAllType::Keys:
+        isolatedCopyOfVariant<IDBKeyData>(source.m_results, destination.m_results);
+        break;
+    case IndexedDB::GetAllType::Values:
+        isolatedCopyOfVariant<IDBValue>(source.m_results, destination.m_results);
+        break;
+    }
+}
+
+void IDBGetAllResult::addKey(IDBKeyData&& key)
+{
+    ASSERT(m_type == IndexedDB::GetAllType::Keys);
+    ASSERT(WTF::holds_alternative<Vector<IDBKeyData>>(m_results));
+    WTF::get<Vector<IDBKeyData>>(m_results).append(WTFMove(key));
+}
+
+void IDBGetAllResult::addValue(IDBValue&& value)
+{
+    ASSERT(m_type == IndexedDB::GetAllType::Values);
+    ASSERT(WTF::holds_alternative<Vector<IDBValue>>(m_results));
+    WTF::get<Vector<IDBValue>>(m_results).append(WTFMove(value));
+}
+
+const Vector<IDBKeyData>& IDBGetAllResult::keys() const
+{
+    ASSERT(m_type == IndexedDB::GetAllType::Keys);
+    ASSERT(WTF::holds_alternative<Vector<IDBKeyData>>(m_results));
+    return WTF::get<Vector<IDBKeyData>>(m_results);
+}
+
+const Vector<IDBValue>& IDBGetAllResult::values() const
+{
+    ASSERT(m_type == IndexedDB::GetAllType::Values);
+    ASSERT(WTF::holds_alternative<Vector<IDBValue>>(m_results));
+    return WTF::get<Vector<IDBValue>>(m_results);
+}
+
+Vector<String> IDBGetAllResult::allBlobFilePaths() const
+{
+    ASSERT(m_type == IndexedDB::GetAllType::Values);
+
+    HashSet<String> pathSet;
+    for (auto& value : WTF::get<Vector<IDBValue>>(m_results)) {
+        for (auto& path : value.blobFilePaths())
+            pathSet.add(path);
+    }
+
+    Vector<String> paths;
+    copyToVector(pathSet, paths);
+
+    return paths;
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(INDEXED_DATABASE)