w3c.css.properties.css3.CssOutlineOffset Maven / Gradle / Ivy

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Backend for the W3C CSS Validation Service

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//
// Author: Yves Lafon 
//
// (c) COPYRIGHT MIT, ERCIM, Keio, Beihang, 2015.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.css3;

import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;
import org.w3c.css.values.CssExpression;
import org.w3c.css.values.CssTypes;
import org.w3c.css.values.CssValue;

/**
 * @spec http://www.w3.org/TR/2015/CR-css-ui-3-20150707/#propdef-outline-offset
 */
public class CssOutlineOffset extends org.w3c.css.properties.css.CssOutlineOffset {

    /**
     * Create a new CssOutlineOffset
     */
    public CssOutlineOffset() {
        value = initial;
    }

    /**
     * Creates a new CssOutlineOffset
     *
     * @param expression The expression for this property
     * @throws org.w3c.css.util.InvalidParamException
     *          Expressions are incorrect
     */
    public CssOutlineOffset(ApplContext ac, CssExpression expression, boolean check)
            throws InvalidParamException {
        if (check && expression.getCount() > 1) {
            throw new InvalidParamException("unrecognize", ac);
        }

        CssValue val = expression.getValue();

        setByUser();

        switch (val.getType()) {
            case CssTypes.CSS_NUMBER:
                val.getLength();
            case CssTypes.CSS_LENGTH:
                value = val;
                break;
            case CssTypes.CSS_IDENT:
                if (inherit.equals(val)) {
                    value = inherit;
                    break;
                }
            default:
                throw new InvalidParamException("value", expression.getValue(),
                        getPropertyName(), ac);
        }
        expression.next();
    }

    public CssOutlineOffset(ApplContext ac, CssExpression expression)
            throws InvalidParamException {
        this(ac, expression, false);
    }
}