third_party/WebKit/Source/web/WebSelector.cpp

/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
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 * modification, are permitted provided that the following conditions are
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 * in the documentation and/or other materials provided with the
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#include "config.h"
#include "public/web/WebSelector.h"

#include "core/css/CSSSelectorList.h"
#include "core/css/parser/CSSParser.h"
#include "public/platform/WebString.h"

namespace blink {

WebString canonicalizeSelector(WebString webSelector, WebSelectorType restriction)
{
    CSSSelectorList selectorList;
    CSSParser::parseSelector(strictCSSParserContext(), webSelector, selectorList);

    if (restriction == WebSelectorTypeCompound) {
        for (const CSSSelector* selector = selectorList.first(); selector; selector = selectorList.next(*selector)) {
            if (!selector->isCompound())
                return WebString();
        }
    }
    return selectorList.selectorsText();
}

} // namespace blink