Source/WebCore/dom/NameValidation.h

/*
 * Copyright (C) 2025 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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#pragma once

#include <utility>
#include <wtf/Forward.h>

namespace WebCore {

class QualifiedName;
template<typename> class ExceptionOr;

// https://dom.spec.whatwg.org/#validate-and-extract
namespace NameValidation {

// https://dom.spec.whatwg.org/#valid-element-name
bool NODELETE isValidElementName(StringView);
bool isValidElementName(const QualifiedName&);

// https://dom.spec.whatwg.org/#valid-attribute-name
bool NODELETE isValidAttributeName(StringView);

// https://dom.spec.whatwg.org/#valid-doctype-name
bool NODELETE isValidDoctypeName(StringView);

// https://www.w3.org/TR/xml/#NT-Name - used by createProcessingInstruction
bool NODELETE isValidXMLName(StringView);

ExceptionOr<QualifiedName> parseQualifiedElementName(const AtomString& namespaceURI, const AtomString& qualifiedName);
ExceptionOr<QualifiedName> parseQualifiedAttributeName(const AtomString& namespaceURI, const AtomString& qualifiedName);
ExceptionOr<std::pair<AtomString, AtomString>> parseQualifiedAttributeName(const AtomString& qualifiedName);

bool NODELETE hasValidNamespaceForElements(const QualifiedName&);
bool NODELETE hasValidNamespaceForAttributes(const QualifiedName&);

} // namespace NameValidation

} // namespace WebCore