w3c.css.values.CssValue 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

//
// $Id$
// From Philippe Le Hegaret ([email protected])
//
// (c) COPYRIGHT MIT and INRIA, 1997.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.values;

import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;

/**
 * @version $Revision$
 */
public abstract class CssValue {

    public static int type = CssTypes.CSS_UNKNOWN;

    String cssversion;

    public int getType() {
        return type;
    }

    public int getRawType() {
        return getType();
    }

    /**
     * Set the value of this value.
     *
     * @param s  the string representation of the value.
     * @param ac For errors and warnings reports.
     * @throws InvalidParamException The unit is incorrect
     */
    public abstract void set(String s, ApplContext ac)
            throws InvalidParamException;

    /**
     * @return the internal value
     */
    public abstract Object get();

    /**
     * Compares two values for equality.
     *
     * @param value The other value.
     */
    public boolean equals(Object value) {
        return super.equals(value);
    }

    public void setCssVersion(String cssversion) {
        this.cssversion = cssversion;
    }

    public boolean isDefault() {
        return false;
    }

    public CssLength getLength() throws InvalidParamException {
        throw new ClassCastException("unknown");
    }

    public CssPercentage getPercentage() throws InvalidParamException {
        throw new ClassCastException("unknown");
    }

    public CssNumber getNumber() throws InvalidParamException {
        throw new ClassCastException("unknown");
    }

    public CssTime getTime() throws InvalidParamException {
        throw new ClassCastException("unknown");
    }

    public CssAngle getAngle() throws InvalidParamException {
        throw new ClassCastException("unknown");
    }

    public CssFrequency getFrequency() throws InvalidParamException {
        throw new ClassCastException("unknown");
    }

    public CssCheckableValue getCheckableValue() throws InvalidParamException {
        throw new ClassCastException("unknown");
    }

    /**
     * Does this value contain a "\9" CSS declaration hack?
     */
    public boolean hasBackslash9Hack() {
        return false;
    }
}