1 files changed, 44 insertions, 0 deletions
diff --git a/WebCore/dom/DOMStringList.cpp b/WebCore/dom/DOMStringList.cpp
new file mode 100644
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--- /dev/null
+++ b/WebCore/dom/DOMStringList.cpp
@@ -0,0 +1,44 @@
+/*
+ * 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 INC. ``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
+ * 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 "DOMStringList.h"
+
+namespace WebCore {
+
+bool DOMStringList::contains(const String& string) const
+{
+    // FIXME: Currently, all consumers of DOMStringList store fairly small lists and thus an O(n)
+    //        algorithm is OK.  But this may need to be optimized if larger amounts of data are
+    //        stored in m_strings.
+    size_t count = m_strings.size();
+    for (size_t i = 0; i < count; ++i) {
+        if (m_strings[i] == string)
+            return true;
+    }
+    return false;
+}
+
+} // namespace WebCore