webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 103 insertions, 0 deletions

diff --git a/Source/WebCore/css/DeprecatedCSSOMValue.cpp b/Source/WebCore/css/DeprecatedCSSOMValue.cpp
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+++ b/Source/WebCore/css/DeprecatedCSSOMValue.cpp
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+/*
+ * Copyright (C) 2016 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. ``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 "DeprecatedCSSOMValue.h"
+
+#include "DeprecatedCSSOMPrimitiveValue.h"
+#include "DeprecatedCSSOMValueList.h"
+
+namespace WebCore {
+    
+template<class ChildClassType>
+inline static bool compareCSSOMValues(const DeprecatedCSSOMValue& first, const DeprecatedCSSOMValue& second)
+{
+    return static_cast<const ChildClassType&>(first).equals(static_cast<const ChildClassType&>(second));
+}
+
+bool DeprecatedCSSOMValue::equals(const DeprecatedCSSOMValue& other) const
+{
+    if (m_classType == other.m_classType) {
+        switch (m_classType) {
+        case DeprecatedComplexValueClass:
+            return compareCSSOMValues<DeprecatedCSSOMComplexValue>(*this, other);
+        case DeprecatedPrimitiveValueClass:
+            return compareCSSOMValues<DeprecatedCSSOMPrimitiveValue>(*this, other);
+        case DeprecatedValueListClass:
+            return compareCSSOMValues<DeprecatedCSSOMValueList>(*this, other);
+        }
+    }
+    return false;
+}
+
+void DeprecatedCSSOMValue::destroy()
+{
+    switch (classType()) {
+    case DeprecatedComplexValueClass: {
+        delete downcast<DeprecatedCSSOMComplexValue>(this);
+        return;
+    }
+    case DeprecatedPrimitiveValueClass: {
+        delete downcast<DeprecatedCSSOMPrimitiveValue>(this);
+        return;
+    }
+    case DeprecatedValueListClass: {
+        delete downcast<DeprecatedCSSOMValueList>(this);
+        return;
+    }
+    }
+    ASSERT_NOT_REACHED();
+    delete this;
+}
+
+unsigned DeprecatedCSSOMValue::cssValueType() const
+{
+    switch (m_classType) {
+    case DeprecatedComplexValueClass:
+        return downcast<DeprecatedCSSOMComplexValue>(*this).cssValueType();
+    case DeprecatedPrimitiveValueClass:
+        return downcast<DeprecatedCSSOMPrimitiveValue>(*this).cssValueType();
+    case DeprecatedValueListClass:
+        return downcast<DeprecatedCSSOMValueList>(*this).cssValueType();
+    }
+    ASSERT_NOT_REACHED();
+    return CSS_CUSTOM;
+}
+
+String DeprecatedCSSOMValue::cssText() const
+{
+    switch (m_classType) {
+    case DeprecatedComplexValueClass:
+        return downcast<DeprecatedCSSOMComplexValue>(*this).cssText();
+    case DeprecatedPrimitiveValueClass:
+        return downcast<DeprecatedCSSOMPrimitiveValue>(*this).cssText();
+    case DeprecatedValueListClass:
+        return downcast<DeprecatedCSSOMValueList>(*this).cssText();
+    }
+    ASSERT_NOT_REACHED();
+    return "";
+}
+
+}