webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 55 insertions, 0 deletions

diff --git a/Source/WebCore/css/CSSCustomPropertyValue.cpp b/Source/WebCore/css/CSSCustomPropertyValue.cpp
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+++ b/Source/WebCore/css/CSSCustomPropertyValue.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 "CSSCustomPropertyValue.h"
+
+#include "CSSParserSelector.h"
+
+namespace WebCore {
+
+bool CSSCustomPropertyValue::checkVariablesForCycles(const AtomicString& name, CustomPropertyValueMap& customProperties, HashSet<AtomicString>& seenProperties, HashSet<AtomicString>& invalidProperties) const
+{
+    ASSERT(containsVariables());
+    if (m_value)
+        return m_value->checkVariablesForCycles(name, customProperties, seenProperties, invalidProperties);
+    return true;
+}
+
+void CSSCustomPropertyValue::resolveVariableReferences(const CustomPropertyValueMap& customProperties, Vector<Ref<CSSCustomPropertyValue>>& resolvedValues) const
+{
+    ASSERT(containsVariables());
+    if (!m_value)
+        return;
+    
+    ASSERT(m_value->needsVariableResolution());
+    RefPtr<CSSVariableData> resolvedData = m_value->resolveVariableReferences(customProperties);
+    if (resolvedData)
+        resolvedValues.append(CSSCustomPropertyValue::createWithVariableData(m_name, resolvedData.releaseNonNull()));
+    else
+        resolvedValues.append(CSSCustomPropertyValue::createWithID(m_name, CSSValueInvalid));
+}
+
+}