third_party/blink/public/web/web_selector.h

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#ifndef THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_SELECTOR_H_
#define THIRD_PARTY_BLINK_PUBLIC_WEB_WEB_SELECTOR_H_

#include "third_party/blink/public/platform/web_common.h"

namespace blink {

class WebString;

// Terminology from https://drafts.csswg.org/selectors/#structure.
enum WebSelectorType {
  kWebSelectorTypeComplex,
  kWebSelectorTypeCompound,
  // Not yet implemented:
  // SelectorTypeSimple,
};

// Returns the value that would be returned from CSSStyleRule.selectorText in
// the CSSOM for a rule with this selector (which can be a list), if the
// selector is valid and each component in the list has the type specified in
// |restriction|.
// Returns "" for an invalid selector or a selector that doesn't match the
// restrictions.
// The canonical form is not guaranteed to stay the same over time.
BLINK_EXPORT WebString
CanonicalizeSelector(WebString selector,
                     WebSelectorType restriction = kWebSelectorTypeComplex);

}  // namespace blink

#endif