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A CSS parser which implements SAC (the Simple API for CSS).
There is a newer version: 0.9.30
/*
 * CSS Parser Project
 *
 * Copyright (C) 1999-2011 David Schweinsberg.  All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * To contact the authors of the library:
 *
 * http://cssparser.sourceforge.net/
 * mailto:[email protected]
 *
 */

package com.steadystate.css.sac;

import org.w3c.css.sac.CSSException;
import org.w3c.css.sac.DocumentHandler;
import org.w3c.css.sac.LexicalUnit;
import org.w3c.css.sac.Locator;
import org.w3c.css.sac.SACMediaList;
import org.w3c.css.sac.SelectorList;

public interface DocumentHandlerExt extends DocumentHandler {

    /**
     * Receive notification of a charset at-rule.
     *
     * @param characterEncoding the character encoding
     * @param locator the SAC locator
     * @throws CSSException Any CSS exception, possibly wrapping another
     *  exception.
     */
    void charset(String characterEncoding, Locator locator) throws CSSException;

    /**
     * Receive notification of a import statement in the style sheet.
     *
     * @param uri The URI of the imported style sheet.
     * @param media The intended destination media for style information.
     * @param defaultNamepaceURI The default namespace URI for the imported
     *  style sheet.
     * @param locator the SAC locator
     * @exception CSSException Any CSS exception, possibly wrapping another
     *  exception.
     */
    void importStyle(String uri, SACMediaList media,
        String defaultNamespaceURI, Locator locator) throws CSSException;

    /**
     * Receive notification of an unknown rule t-rule not supported by this
     * parser.
     *
     * @param at-rule The complete ignored at-rule.
     * @param locator the SAC locator
     * @exception CSSException Any CSS exception, possibly wrapping another
     *  exception.
     */
    void ignorableAtRule(String atRule, Locator locator) throws CSSException;

    /**
     * Receive notification of the beginning of a font face statement.
     *
     * The Parser will invoke this method at the beginning of every font face
     * statement in the style sheet. there will be a corresponding endFontFace()
     * event for every startFontFace() event.
     *
     * @param locator the SAC locator
     * @exception CSSException Any CSS exception, possibly wrapping another
     *  exception.
     */
    void startFontFace(Locator locator) throws CSSException;

    /**
     * Receive notification of the beginning of a page statement.
     *
     * The Parser will invoke this method at the beginning of every page
     * statement in the style sheet. there will be a corresponding endPage()
     * event for every startPage() event.
     *
     * @param name the name of the page (if any, null otherwise)
     * @param pseudoPage the pseudo page (if any, null otherwise)
     * @param locator the SAC locator
     * @exception CSSException Any CSS exception, possibly wrapping another
     *  exception.
     */
    void startPage(String name, String pseudoPage, Locator locator) throws CSSException;

    /**
     * Receive notification of the beginning of a media statement.
     *
     * The Parser will invoke this method at the beginning of every media
     * statement in the style sheet. there will be a corresponding endMedia()
     * event for every startElement() event.
     *
     * @param media The intended destination media for style information.
     * @param locator the SAC locator
     * @exception CSSException Any CSS exception, possibly wrapping another
     *  exception.
     */
    void startMedia(SACMediaList media, Locator locator) throws CSSException;

    /**
     * Receive notification of the beginning of a rule statement.
     *
     * @param selectors All intended selectors for all declarations.
     * @param locator the SAC locator
     * @exception CSSException Any CSS exception, possibly wrapping another
     *  exception.
     */
    void startSelector(SelectorList selectors, Locator locator) throws CSSException;

    /**
     * Receive notification of a declaration.
     *
     * @param name the name of the property.
     * @param value the value of the property. All whitespace are stripped.
     * @param important is this property important ?
     * @param locator the SAC locator
     */
    void property(String name, LexicalUnit value, boolean important, Locator locator);
}