Source/WebInspectorUI/UserInterface/Models/CSSSelector.js

/*
 * Copyright (C) 2014 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

WI.CSSSelector = class CSSSelector
{
    constructor(text, specificity, dynamic)
    {
        console.assert(text);

        this._text = text;
        this._specificity = specificity || null;
        this._dynamic = dynamic || false;
    }

    // Public

    get text() { return this._text; }
    get specificity() { return this._specificity; }
    get dynamic() { return this._dynamic; }

    isGreaterThan(selector)
    {
        if (!selector || !selector.specificity)
            return true;

        for (var i = 0; i < this._specificity.length; ++i) {
            if (this._specificity[i] === selector.specificity[i])
                continue;

            return this._specificity[i] > selector.specificity[i];
        }

        return false;
    }

    isPseudoElementSelector()
    {
        return WI.CSSStyleManager.PseudoElementNames.some((name) => this._text.includes(`:${name}`));
    }
};