w3c.css.properties.svg.CssMaskBorderMode Maven / Gradle / Ivy

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//
// Author: Yves Lafon 
//
// (c) COPYRIGHT MIT, ERCIM, Keio, Beihang, 2018.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.svg;

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;

import static org.w3c.css.values.CssOperator.SPACE;

/**
 * @spec https://www.w3.org/TR/2014/CR-css-masking-1-20140826/#propdef-mask-border-mode
 */
public class CssMaskBorderMode extends org.w3c.css.properties.css.CssMaskBorderMode {

    public static final CssIdent[] allowed_values;

    static {
        String[] _allowed_values = {"alpha", "luminance"};
        allowed_values = new CssIdent[_allowed_values.length];
        int i = 0;
        for (String s : _allowed_values) {
            allowed_values[i++] = CssIdent.getIdent(s);
        }
    }

    public static CssIdent getAllowedIdent(CssIdent ident) {
        for (CssIdent id : allowed_values) {
            if (id.equals(ident)) {
                return id;
            }
        }
        return null;
    }


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

    /**
     * Creates a new CssMaskBorderMode
     *
     * @param expression The expression for this property
     * @throws org.w3c.css.util.InvalidParamException
     *          Expressions are incorrect
     */
    public CssMaskBorderMode(ApplContext ac, CssExpression expression, boolean check)
            throws InvalidParamException {

        setByUser();

        if (check && expression.getCount() > 1) {
            throw new InvalidParamException("unrecognize", ac);
        }

        CssValue val;
        char op;

        val = expression.getValue();
        op = expression.getOperator();

        switch (val.getType()) {
            case CssTypes.CSS_IDENT:
                if (inherit.equals(val)) {
                    if (expression.getCount() > 1) {
                        throw new InvalidParamException("unrecognize", ac);
                    }
                    value = inherit;
                    break;
                }
                CssIdent id = getAllowedIdent((CssIdent) val);
                if (id != null) {
                    value = id;
                    break;
                }
            default:
                throw new InvalidParamException("value",
                        val.toString(),
                        getPropertyName(), ac);
        }
        expression.next();
        if (op != SPACE) {
            throw new InvalidParamException("operator",
                    Character.toString(op),
                    ac);
        }
    }

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

}