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Unified Diff: Source/core/css/CSSLocalNameToLowerMaps.cpp

Issue 1099963003: Support type selector for camel-cased SVG elements in HTML. (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Fix performance regression. tagMatches() became too big to be inlined on Linux. Created 5 years, 8 months ago
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Index: Source/core/css/CSSLocalNameToLowerMaps.cpp
diff --git a/Source/core/css/CSSLocalNameToLowerMaps.cpp b/Source/core/css/CSSLocalNameToLowerMaps.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..0687ec7f57d4bfface01141b1cb3af415d22e3a7
--- /dev/null
+++ b/Source/core/css/CSSLocalNameToLowerMaps.cpp
@@ -0,0 +1,38 @@
+// Copyright 2015 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "config.h"
+#include "core/css/CSSLocalNameToLowerMaps.h"
+
+#include "core/SVGNames.h"
+
+namespace blink {
+
+namespace CSSLocalNameToLowerMaps {
+
+HashMap<AtomicString, AtomicString>* s_elementToLowerMap = nullptr;
+HashMap<AtomicString, AtomicString>* s_attributeToLowerMap = nullptr;
+
+void buildElementToLowerMap()
+{
+ ASSERT(!s_elementToLowerMap);
+ s_elementToLowerMap = new HashMap<AtomicString, AtomicString>;
+ OwnPtr<const SVGQualifiedName*[]> svgTags = SVGNames::getSVGTags();
+ for (size_t i = 0; i < SVGNames::SVGTagsCount; ++i) {
+ AtomicString localName = svgTags[i]->localName();
+ AtomicString localNameLower = localName.lower();
+ if (localName != localNameLower)
+ s_elementToLowerMap->set(localName, localNameLower);
+ }
+}
+
+void buildAttributeToLowerMap()
+{
+ ASSERT(!s_attributeToLowerMap);
+ s_attributeToLowerMap = new HashMap<AtomicString, AtomicString>;
+}
+
+} // namespace CSSElementNameMap
+
+} // namespace blink

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