JDK14/Java14源码在线阅读

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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/*
 * This file is available under and governed by the GNU General Public
 * License version 2 only, as published by the Free Software Foundation.
 * However, the following notice accompanied the original version of this
 * file and, per its terms, should not be removed:
 *
 * Copyright (c) 2000 World Wide Web Consortium,
 * (Massachusetts Institute of Technology, Institut National de
 * Recherche en Informatique et en Automatique, Keio University). All
 * Rights Reserved. This program is distributed under the W3C's Software
 * Intellectual Property License. This program is distributed in the
 * hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE.
 * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
 */

package org.w3c.dom.css;

import org.w3c.dom.DOMException;
import org.w3c.dom.stylesheets.StyleSheet;

/**
 *  The <code>CSSStyleSheet</code> interface is a concrete interface used to
 * represent a CSS style sheet i.e., a style sheet whose content type is
 * "text/css".
 * <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113'>Document Object Model (DOM) Level 2 Style Specification</a>.
 * @since 1.4, DOM Level 2
 */
public interface CSSStyleSheet extends StyleSheet {
    /**
     *  If this style sheet comes from an <code>@import</code> rule, the
     * <code>ownerRule</code> attribute will contain the
     * <code>CSSImportRule</code>. In that case, the <code>ownerNode</code>
     * attribute in the <code>StyleSheet</code> interface will be
     * <code>null</code>. If the style sheet comes from an element or a
     * processing instruction, the <code>ownerRule</code> attribute will be
     * <code>null</code> and the <code>ownerNode</code> attribute will
     * contain the <code>Node</code>.
     */
    public CSSRule getOwnerRule();

    /**
     *  The list of all CSS rules contained within the style sheet. This
     * includes both rule sets and at-rules.
     */
    public CSSRuleList getCssRules();

    /**
     *  Used to insert a new rule into the style sheet. The new rule now
     * becomes part of the cascade.
     * @param rule  The parsable text representing the rule. For rule sets
     *   this contains both the selector and the style declaration. For
     *   at-rules, this specifies both the at-identifier and the rule
     *   content.
     * @param index  The index within the style sheet's rule list of the rule
     *   before which to insert the specified rule. If the specified index
     *   is equal to the length of the style sheet's rule collection, the
     *   rule will be added to the end of the style sheet.
     * @return  The index within the style sheet's rule collection of the
     *   newly inserted rule.
     * @exception DOMException
     *   HIERARCHY_REQUEST_ERR: Raised if the rule cannot be inserted at the
     *   specified index e.g. if an <code>@import</code> rule is inserted
     *   after a standard rule set or other at-rule.
     *   <br>INDEX_SIZE_ERR: Raised if the specified index is not a valid
     *   insertion point.
     *   <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this style sheet is
     *   readonly.
     *   <br>SYNTAX_ERR: Raised if the specified rule has a syntax error and
     *   is unparsable.
     */
    public int insertRule(String rule,
                          int index)

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