1 files changed, 102 insertions, 0 deletions
diff --git a/WebCore/bindings/js/JSDOMStringMapCustom.cpp b/WebCore/bindings/js/JSDOMStringMapCustom.cpp
new file mode 100644
index 0000000..455c7b1
--- /dev/null
+++ b/WebCore/bindings/js/JSDOMStringMapCustom.cpp
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2010 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 "JSDOMStringMap.h"
+
+#include "AtomicString.h"
+#include "DOMStringMap.h"
+
+using namespace JSC;
+
+namespace WebCore {
+
+bool JSDOMStringMap::canGetItemsForName(ExecState*, DOMStringMap* impl, const Identifier& propertyName)
+{
+    return impl->contains(identifierToAtomicString(propertyName));
+}
+
+JSValue JSDOMStringMap::nameGetter(ExecState* exec, JSValue slotBase, const Identifier& propertyName)
+{
+    JSDOMStringMap* thisObj = static_cast<JSDOMStringMap*>(asObject(slotBase));
+    return jsString(exec, thisObj->impl()->item(identifierToAtomicString(propertyName)));
+}
+
+void JSDOMStringMap::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
+{
+    Vector<String> names;
+    m_impl->getNames(names);
+    size_t length = names.size();
+    for (size_t i = 0; i < length; ++i)
+        propertyNames.add(Identifier(exec, stringToUString(names[i])));
+
+    Base::getOwnPropertyNames(exec, propertyNames, mode);
+}
+
+bool JSDOMStringMap::deleteProperty(ExecState* exec, const Identifier& propertyName)
+{
+    // Only perform the custom delete if the object doesn't have a native property by this name.
+    // Since hasProperty() would end up calling canGetItemsForName() and be fooled, we need to check
+    // the native property slots manually.
+    PropertySlot slot;
+    if (getStaticValueSlot<JSDOMStringMap, Base>(exec, s_info.propHashTable(exec), this, propertyName, slot))
+        return false;
+        
+    JSValue prototype = this->prototype();
+    if (prototype.isObject() && asObject(prototype)->hasProperty(exec, propertyName))
+        return false;
+
+    ExceptionCode ec = 0;
+    m_impl->deleteItem(identifierToString(propertyName), ec);
+    setDOMException(exec, ec);
+
+    return true;
+}
+
+bool JSDOMStringMap::putDelegate(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot&)
+{
+    // Only perform the custom put if the object doesn't have a native property by this name.
+    // Since hasProperty() would end up calling canGetItemsForName() and be fooled, we need to check
+    // the native property slots manually.
+    PropertySlot slot;
+    if (getStaticValueSlot<JSDOMStringMap, Base>(exec, s_info.propHashTable(exec), this, propertyName, slot))
+        return false;
+        
+    JSValue prototype = this->prototype();
+    if (prototype.isObject() && asObject(prototype)->hasProperty(exec, propertyName))
+        return false;
+    
+    String stringValue = ustringToString(value.toString(exec));
+    if (exec->hadException())
+        return true;
+    
+    ExceptionCode ec = 0;
+    impl()->setItem(identifierToString(propertyName), stringValue, ec);
+    setDOMException(exec, ec);
+
+    return true;
+}
+
+} // namespace WebCore