w3c.css.properties.css.CssRest Maven / Gradle / Ivy

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Backend for the W3C CSS Validation Service
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// $Id$
// Author: Yves Lafon 
//
// (c) COPYRIGHT MIT, ERCIM and Keio University, 2013.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.css;

import org.w3c.css.parser.CssSelectors;
import org.w3c.css.parser.CssStyle;
import org.w3c.css.properties.css3.Css3Style;
import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;
import org.w3c.css.values.CssExpression;
import org.w3c.css.values.CssValue;

/**
 * @since CSS3
 */
public class CssRest extends CssProperty {

    public CssValue value;

    public CssRestAfter cssRestAfter;
    public CssRestBefore cssRestBefore;

    /**
     * Create a new CssRestAfter
     */
    public CssRest() {
    }

    /**
     * Creates a new CssRestAfter
     *
     * @param expression The expression for this property
     * @throws org.w3c.css.util.InvalidParamException
     *          Expressions are incorrect
     */
    public CssRest(ApplContext ac, CssExpression expression, boolean check)
            throws InvalidParamException {
        throw new InvalidParamException("value",
                expression.getValue().toString(),
                getPropertyName(), ac);
    }

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

    /**
     * Returns the value of this property
     */
    public Object get() {
        return value;
    }


    /**
     * Returns the name of this property
     */
    public final String getPropertyName() {
        return "rest";
    }

    /**
     * Returns true if this property is "softly" inherited
     * e.g. his value is equals to inherit
     */
    public boolean isSoftlyInherited() {
        return value.equals(inherit);
    }

    /**
     * Returns a string representation of the object.
     */
    public String toString() {
        return value.toString();
    }

    /**
     * Add this property to the CssStyle.
     *
     * @param style The CssStyle
     */
    public void addToStyle(ApplContext ac, CssStyle style) {
        if (((Css3Style) style).cssRest != null)
            style.addRedefinitionWarning(ac, this);
        ((Css3Style) style).cssRest = this;
        cssRestAfter.addToStyle(ac, style);
        cssRestBefore.addToStyle(ac, style);
    }

    /**
     * Compares two properties for equality.
     *
     * @param property The other property.
     */
    public boolean equals(CssProperty property) {
        return (property instanceof CssRest &&
                value.equals(((CssRest) property).value));
    }


    /**
     * Get this property in the style.
     *
     * @param style   The style where the property is
     * @param resolve if true, resolve the style to find this property
     */
    public CssProperty getPropertyInStyle(CssStyle style, boolean resolve) {
        if (resolve) {
            return ((Css3Style) style).getRest();
        } else {
            return ((Css3Style) style).cssRest;
        }
    }

    /**
     * Update the source file and the line.
     * Overrides this method for a macro
     *
     * @param line   The line number where this property is defined
     * @param source The source file where this property is defined
     */
    public void setInfo(int line, String source) {
        super.setInfo(line, source);
        cssRestAfter.setInfo(line, source);
        cssRestBefore.setInfo(line, source);
    }

    /**
     * Set this property to be important.
     * Overrides this method for a macro
     */
    public void setImportant() {
        super.setImportant();
        cssRestAfter.setImportant();
        cssRestBefore.setImportant();
    }

    /**
     * Set the context.
     * Overrides this method for a macro
     *
     * @see org.w3c.css.css.CssCascadingOrder#order
     * @see org.w3c.css.css.StyleSheetParser#handleRule
     */
    public void setSelectors(CssSelectors selector) {
        super.setSelectors(selector);
        cssRestAfter.setSelectors(selector);
        cssRestBefore.setSelectors(selector);
    }
}