w3c.css.properties.css21.CssFontStyle 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

// $Id$
// Author: Yves Lafon 
//
// (c) COPYRIGHT MIT, ERCIM and Keio University, 2012.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.css21;

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 java.util.ArrayList;

/**
 * @spec http://www.w3.org/TR/2011/REC-CSS2-20110607/fonts.html#propdef-font-style
 */
public class CssFontStyle extends org.w3c.css.properties.css.CssFontStyle {

    public static final ArrayList allowed_values;

    static {
        String[] _allowed_values = {"italic", "normal", "oblique"};

        allowed_values = new ArrayList(_allowed_values.length);
        for (String s : _allowed_values) {
            allowed_values.add(CssIdent.getIdent(s));
        }
    }

    /**
     * Create a new CssFontStyle
     */
    public CssFontStyle() {
    }

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

        CssValue val;
        char op;

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

        if (val.getType() == CssTypes.CSS_IDENT) {
            CssIdent ident = (CssIdent) val;
            if (inherit.equals(ident)) {
                value = inherit;
            } else {
                int pos = allowed_values.indexOf(ident);
                if (pos < 0) {
                    throw new InvalidParamException("value",
                            val.toString(),
                            getPropertyName(), ac);
                }
                value = allowed_values.get(pos);
            }
        } else {
            throw new InvalidParamException("value",
                    val.toString(),
                    getPropertyName(), ac);
        }
        expression.next();
    }

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

}