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

Go to download
Show more of this group Show more artifacts with this name
Show all versions of cssvalidator Show documentation
Backend for the W3C CSS Validation Service
There is a newer version: 1.0.8
//
// Author: Yves Lafon 
//
// (c) COPYRIGHT MIT, ERCIM, Keio, Beihang, 2016.
// 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.CssIdent;
import org.w3c.css.values.CssTypes;
import org.w3c.css.values.CssValue;

/**
 * @spec https://www.w3.org/TR/2018/CR-css-flexbox-1-20181119/#propdef-flex-basis
 * @see CssWidth
 */
public class CssFlexBasis extends org.w3c.css.properties.css.CssFlexBasis {

    public static final CssIdent content = CssIdent.getIdent("content");

    public static final CssIdent getAllowedIdent(CssIdent ident) {
        if (content.equals(ident)) {
            return content;
        }
        return CssWidth.getAllowedIdent(ident);
    }

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

    /**
     * Creates a new CssFlexBasis
     *
     * @param expression The expression for this property
     * @throws org.w3c.css.util.InvalidParamException
     *          Expressions are incorrect
     */
    public CssFlexBasis(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_IDENT:
                if (inherit.equals(val)) {
                    value = inherit;
                    break;
                } else if (content.equals(val)) {
                    value = content;
                    break;
                }
            default:
                // content or else CssWidth
                CssExpression e = new CssExpression();
                e.addValue(val);
                try {
                    CssWidth cssWidth = new CssWidth(ac, e, check);
                    value = cssWidth.value;
                } catch (InvalidParamException ex) {
                    throw new InvalidParamException("value", val, getPropertyName(), ac);
                }
        }
        expression.next();
    }

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

    /**
     * Is the value of this property is a default value.
     * It is used by all macro for the function print
     */
    public boolean isDefault() {
        return ((value == content) || (value == initial));
    }
}