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

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.CssOperator;
import org.w3c.css.values.CssTypes;
import org.w3c.css.values.CssValue;
import org.w3c.css.values.CssValueList;

import java.util.ArrayList;

/**
 * @spec https://www.w3.org/TR/2019/CR-css-writing-modes-4-20190730/#propdef-text-combine-upright
 */
public class CssTextCombineUpright extends org.w3c.css.properties.css.CssTextCombineUpright {

    public static final CssIdent[] allowed_values;
    public static final CssIdent digits;

    static {
        digits = CssIdent.getIdent("digits");
        String[] _allowed_values = {"all", "none", "digits"};
        allowed_values = new CssIdent[_allowed_values.length];
        int i = 0;
        for (String s : _allowed_values) {
            allowed_values[i++] = CssIdent.getIdent(s);
        }
    }

    static CssIdent all;

    static {
        all = CssIdent.getIdent("all");
    }

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

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

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

        if (check && expression.getCount() > 2) {
            throw new InvalidParamException("unrecognize", ac);
        }

        CssValue val = expression.getValue();

        setByUser();
        if (val.getType() != CssTypes.CSS_IDENT) {
            throw new InvalidParamException("value", expression.getValue(),
                    getPropertyName(), ac);
        }
        if (val.equals(inherit)) {
            value = inherit;
        } else {
            value = getAllowedIdent((CssIdent) val);
            if (value == null) {
                throw new InvalidParamException("value", expression.getValue(),
                        getPropertyName(), ac);
            }
            if ((digits != value) && (expression.getCount() > 1)) {
                throw new InvalidParamException("unrecognize", ac);
            }
            if (digits == value) {
                if (expression.getCount() > 1) {
                    char op = expression.getOperator();
                    if (op != CssOperator.SPACE) {
                        throw new InvalidParamException("operator",
                                Character.toString(op), ac);
                    }
                    expression.next();
                    val = expression.getValue();
                    if (val.getType() != CssTypes.CSS_NUMBER) {
                        throw new InvalidParamException("value", expression.getValue(),
                                getPropertyName(), ac);
                    }
                    // we got a number.
                    val.getCheckableValue().checkInteger(ac, this);
                    val.getCheckableValue().checkStrictPositiveness(ac, this);
                    // in fact the restricted set of values is smaller than that.
                    // TODO check the interval.
                    // now rewrite the value
                    ArrayList v = new ArrayList<>();
                    v.add(value);
                    v.add(val);
                    value = new CssValueList(v);
                }
            }
        }
        expression.next();
    }

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