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Unified Diff: third_party/WebKit/Source/core/dom/custom/CustomElement.cpp

Issue 1916013004: Implement PotentialCustomElementName (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: tkent review Created 4 years, 8 months ago
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Index: third_party/WebKit/Source/core/dom/custom/CustomElement.cpp
diff --git a/third_party/WebKit/Source/core/dom/custom/CustomElement.cpp b/third_party/WebKit/Source/core/dom/custom/CustomElement.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..90569898c64ffbe0506a70a3a883229adfe56866
--- /dev/null
+++ b/third_party/WebKit/Source/core/dom/custom/CustomElement.cpp
@@ -0,0 +1,31 @@
+// Copyright 2016 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 "core/dom/custom/CustomElement.h"
+
+#include "platform/text/Character.h"
+
+namespace blink {
+
+bool CustomElement::isPotentialCustomElementName(const AtomicString& name)
+{
+ if (!name.length() || name[0] < 'a' || name[0] > 'z')
+ return false;
+
+ bool hasHyphens = false;
+ for (size_t i = 1; i < name.length(); ) {
+ UChar32 ch;
+ if (name.is8Bit())
+ ch = name[i++];
+ else
+ U16_NEXT(name.characters16(), i, name.length(), ch);
+ if (ch == '-')
+ hasHyphens = true;
+ else if (!Character::isPotentialCustomElementNameChar(ch))
+ return false;
+ }
+ return hasHyphens;
+}
+
+} // namespace blink

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