--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/rendering/style/LineClampValue.h	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2009 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.
+ */
+
+#ifndef LineClampValue_h
+#define LineClampValue_h
+
+#include "RenderStyleConstants.h"
+
+namespace WebCore {
+    
+class LineClampValue {
+public:
+    LineClampValue()
+        : m_type(LineClampLineCount)
+        , m_value(-1)
+    {
+    }
+    
+    LineClampValue(int value, ELineClampType type)
+        : m_type(type)
+        , m_value(value)
+    {
+    }
+    
+    int value() const { return m_value; }
+    
+    bool isPercentage() const { return m_type == LineClampPercentage; }
+
+    bool isNone() const { return m_value == -1; }
+
+    bool operator==(const LineClampValue& o) const
+    {
+        return value() == o.value() && isPercentage() == o.isPercentage();
+    }
+    
+    bool operator!=(const LineClampValue& o) const
+    {
+        return !(*this == o);
+    }
+    
+private:
+    ELineClampType m_type;
+    int m_value;
+};
+    
+} // namespace WebCore
+
+#endif // LineClampValue_h