Merge WebKit at r75315: Initial merge by git.

Change-Id: I570314b346ce101c935ed22a626b48c2af266b84

1 files changed, 106 insertions, 0 deletions

diff --git a/Source/WebCore/bindings/v8/IDBBindingUtilities.cpp b/Source/WebCore/bindings/v8/IDBBindingUtilities.cpp
new file mode 100644
index 0000000..2e8d4fe
--- /dev/null
+++ b/Source/WebCore/bindings/v8/IDBBindingUtilities.cpp
@@ -0,0 +1,106 @@
+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "IDBBindingUtilities.h"
+
+#if ENABLE(INDEXED_DATABASE)
+
+#include "IDBDatabaseException.h"
+#include "IDBKey.h"
+#include "IDBKeyPath.h"
+#include "SerializedScriptValue.h"
+#include "V8Binding.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+PassRefPtr<IDBKey> createIDBKeyFromValue(v8::Handle<v8::Value> value)
+{
+    if (value->IsNull())
+        return IDBKey::createNull();
+    if (value->IsNumber())
+        return IDBKey::createNumber(value->NumberValue());
+    if (value->IsString())
+        return IDBKey::createString(v8ValueToWebCoreString(value));
+    if (value->IsDate())
+        return IDBKey::createDate(value->NumberValue());
+
+    return 0; // Signals type error.
+}
+
+template<typename T>
+bool getValueFrom(T indexOrName, v8::Handle<v8::Value>& v8Value)
+{
+    v8::Local<v8::Object> object = v8Value->ToObject();
+    if (!object->Has(indexOrName))
+        return false;
+    v8Value = object->Get(indexOrName);
+    return true;
+}
+
+class LocalContext {
+public:
+    LocalContext()
+        : m_context(v8::Context::New())
+    {
+        m_context->Enter();
+    }
+
+    ~LocalContext()
+    {
+        m_context->Exit();
+        m_context.Dispose();
+    }
+
+private:
+    v8::HandleScope m_scope;
+    v8::Persistent<v8::Context> m_context;
+};
+
+PassRefPtr<IDBKey> createIDBKeyFromSerializedValueAndKeyPath(PassRefPtr<SerializedScriptValue> value, const Vector<IDBKeyPathElement>& keyPath)
+{
+    LocalContext localContext;
+    v8::Handle<v8::Value> v8Value(value->deserialize());
+    for (size_t i = 0; i < keyPath.size(); ++i) {
+        switch (keyPath[i].type) {
+        case IDBKeyPathElement::IsIndexed:
+            if (!v8Value->IsArray() || !getValueFrom(keyPath[i].index, v8Value))
+                return 0;
+            break;
+        case IDBKeyPathElement::IsNamed:
+            if (!v8Value->IsObject() || !getValueFrom(v8String(keyPath[i].identifier), v8Value))
+                return 0;
+            break;
+        default:
+            ASSERT_NOT_REACHED();
+        }
+    }
+    return createIDBKeyFromValue(v8Value);
+}
+
+} // namespace WebCore
+
+#endif