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jStyleParser is a CSS parser written in Java. It has its own application interface that is designed to allow an efficient CSS processing in Java and mapping the values to the Java data types. It parses CSS 2.1 style sheets into structures that can be efficiently assigned to DOM elements. It is intended be the primary CSS parser for the CSSBox library. While handling errors, it is user agent conforming according to the CSS specification.

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/**
 * 
 */
package cz.vutbr.web.domassign.decode;

import java.util.Map;

import cz.vutbr.web.css.CSSProperty;
import cz.vutbr.web.css.Term;
import cz.vutbr.web.css.CSSProperty.OutlineColor;
import cz.vutbr.web.css.CSSProperty.OutlineStyle;
import cz.vutbr.web.css.CSSProperty.OutlineWidth;

/**
 * Outline variator Grammar:
 * 
 *  * [ 'outline-color' || 'outline-style' || 'outline-width' ] 
 * | inherit
 * 
 * 
 * @author kapy
 * 
 */
public class OutlineVariator extends Variator {

    public static final int COLOR = 0;
    public static final int STYLE = 1;
    public static final int WIDTH = 2;

    public OutlineVariator() {
        super(3);
        names.add("outline-color");
        types.add(OutlineColor.class);
        names.add("outline-style");
        types.add(OutlineStyle.class);
        names.add("outline-width");
        types.add(OutlineWidth.class);
    }

    @Override
    protected boolean variant(int v, IntegerRef iteration,
            Map properties, Map> values) {

        // we won't use multivalue functionallity
        int i = iteration.get();

        switch (v) {
        case COLOR:
            // process color
            return genericTermIdent(types.get(COLOR), terms.get(i),
                    AVOID_INH, names.get(COLOR), properties)
                    || genericTermColor(terms.get(i), names.get(COLOR),
                            OutlineColor.color, properties, values);
        case STYLE:
            // process style
            return genericTermIdent(types.get(STYLE), terms.get(i),
                    AVOID_INH, names.get(STYLE), properties);
        case WIDTH:
            // process width
            return genericTermIdent(types.get(WIDTH), terms.get(i),
                    AVOID_INH, names.get(WIDTH), properties)
                    || genericTermLength(terms.get(i), names.get(WIDTH),
                            OutlineWidth.length, ValueRange.DISALLOW_NEGATIVE,
                            properties, values);
        default:
            return false;
        }
    }
}