com.itextpdf.styledxmlparser.css.selector.item.CssPagePseudoClassSelectorItem Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of styled-xml-parser Show documentation

Styled XML parser is used by iText7 modules to parse HTML and XML

There is a newer version: 9.0.0

/*
    This file is part of the iText (R) project.
    Copyright (c) 1998-2024 Apryse Group NV
    Authors: Apryse Software.

    This program is offered under a commercial and under the AGPL license.
    For commercial licensing, contact us at https://itextpdf.com/sales.  For AGPL licensing, see below.

    AGPL licensing:
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    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 the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see .
 */
package com.itextpdf.styledxmlparser.css.selector.item;

import com.itextpdf.styledxmlparser.css.page.PageContextConstants;
import com.itextpdf.styledxmlparser.css.page.PageContextNode;
import com.itextpdf.styledxmlparser.node.INode;

/**
 * {@link ICssSelectorItem} implementation for page pseudo classes selectors.
 */
public class CssPagePseudoClassSelectorItem implements ICssSelectorItem {

    /** Indicates if the page pseudo class is a spread pseudo class (left or right). */
    private boolean isSpreadPseudoClass;
    
    /** The page pseudo class. */
    private String pagePseudoClass;

    /**
     * Creates a new {@link CssPagePseudoClassSelectorItem} instance.
     *
     * @param pagePseudoClass the page pseudo class name
     */
    public CssPagePseudoClassSelectorItem(String pagePseudoClass) {
        this.isSpreadPseudoClass = pagePseudoClass.equals(PageContextConstants.LEFT) || pagePseudoClass.equals(PageContextConstants.RIGHT);
        this.pagePseudoClass = pagePseudoClass;
    }

    /* (non-Javadoc)
     * @see com.itextpdf.styledxmlparser.css.selector.item.ICssSelectorItem#getSpecificity()
     */
    @Override
    public int getSpecificity() {
        return isSpreadPseudoClass ? CssSpecificityConstants.ELEMENT_SPECIFICITY : CssSpecificityConstants.CLASS_SPECIFICITY;
    }

    /* (non-Javadoc)
     * @see com.itextpdf.styledxmlparser.css.selector.item.ICssSelectorItem#matches(com.itextpdf.styledxmlparser.html.node.INode)
     */
    @Override
    public boolean matches(INode node) {
        if (!(node instanceof PageContextNode)) {
            return false;
        }
        return ((PageContextNode) node).getPageClasses().contains(pagePseudoClass);
    }
}