w3c.css.properties.css3.CssPlaceContent 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, 2018.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.css3;

import org.w3c.css.parser.CssStyle;
import org.w3c.css.util.ApplContext;
import org.w3c.css.util.InvalidParamException;
import org.w3c.css.values.CssExpression;
import org.w3c.css.values.CssValue;
import org.w3c.css.values.CssValueList;

import java.util.ArrayList;

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

/**
 * @spec https://www.w3.org/TR/2018/WD-css-align-3-20180423/#place-content-property
 */
public class CssPlaceContent extends org.w3c.css.properties.css.CssPlaceContent {

    private CssAlignContent alignContent;
    private CssJustifyContent justifyContent;

    /**
     * Create a new CssAlignContent
     */
    public CssPlaceContent() {
        value = initial;
        alignContent = new CssAlignContent();
        justifyContent = new CssJustifyContent();
    }

    /**
     * Creates a new CssAlignContent
     *
     * @param expression The expression for this property
     * @throws org.w3c.css.util.InvalidParamException
     *          Expressions are incorrect
     */
    public CssPlaceContent(ApplContext ac, CssExpression expression, boolean check)
            throws InvalidParamException {
        if (check && expression.getCount() > 4) {
            throw new InvalidParamException("unrecognize", ac);
        }
        setByUser();

        alignContent = new CssAlignContent();
        justifyContent = new CssJustifyContent();

        ArrayList values = new ArrayList<>();
        CssValue val;

        val = CssAlignContent.parseAlignContent(ac, expression, this);
        if (expression.end()) {
            value = val;
            alignContent.value = val;
            justifyContent.value = val;
        } else {
            char op = expression.getOperator();
            if (op != SPACE) {
                throw new InvalidParamException("operator",
                        ((new Character(op)).toString()), ac);
            }
            values.add(val);
            alignContent.value = val;

            val = CssJustifyContent.parseJustifyContent(ac, expression, this);
            if (!expression.end()) {
                throw new InvalidParamException("value", expression.getValue().toString(),
                        getPropertyName(), ac);
            }
            values.add(val);
            justifyContent.value = val;
            value = new CssValueList(values);
        }
    }

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


    /**
     * Add this property to the CssStyle.
     *
     * @param style The CssStyle
     */
    public void addToStyle(ApplContext ac, CssStyle style) {
        super.addToStyle(ac, style);
        alignContent.addToStyle(ac, style);
        justifyContent.addToStyle(ac, style);
    }
}