1 files changed, 89 insertions, 0 deletions
diff --git a/Source/WebCore/Modules/indexeddb/shared/IndexKey.cpp b/Source/WebCore/Modules/indexeddb/shared/IndexKey.cpp
new file mode 100644
index 000000000..a40f90120
--- /dev/null
+++ b/Source/WebCore/Modules/indexeddb/shared/IndexKey.cpp
@@ -0,0 +1,89 @@
+/*
+ * Copyright (C) 2015 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 "IndexKey.h"
+
+#if ENABLE(INDEXED_DATABASE)
+
+namespace WebCore {
+
+IndexKey::IndexKey()
+{
+}
+
+IndexKey::IndexKey(Vector<IDBKeyData>&& keys)
+{
+    m_keys.swap(keys);
+}
+
+IndexKey IndexKey::isolatedCopy() const
+{
+    Vector<IDBKeyData> keys;
+    keys.reserveInitialCapacity(m_keys.size());
+    for (auto& key : m_keys)
+        keys.uncheckedAppend(key.isolatedCopy());
+
+    return { WTFMove(keys) };
+}
+
+IDBKeyData IndexKey::asOneKey() const
+{
+    if (m_keys.isEmpty())
+        return { };
+
+    if (m_keys.size() == 1)
+        return m_keys[0];
+
+    IDBKeyData result;
+    result.setArrayValue(m_keys);
+    return result;
+}
+
+Vector<IDBKeyData> IndexKey::multiEntry() const
+{
+    Vector<IDBKeyData> multiEntry;
+    for (auto& key : m_keys) {
+        if (!key.isValid())
+            continue;
+
+        bool skip = false;
+        for (auto& otherKey : multiEntry) {
+            if (key == otherKey) {
+                skip = true;
+                break;
+            }
+        }
+
+        if (!skip)
+            multiEntry.append(key);
+    }
+
+    return multiEntry;
+}
+
+} // namespace WebCore
+
+#endif // ENABLE(INDEXED_DATABASE)