w3c.css.properties.css3.CssFloatDefer Maven / Gradle / Ivy

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//
// Author: Yves Lafon 
//
// (c) COPYRIGHT MIT, ERCIM, Keio, Beihang, 2015.
// 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.CssTypes;
import org.w3c.css.values.CssValue;

/**
 * @spec http://www.w3.org/TR/2015/WD-css-page-floats-3-20150915/#propdef-float-defer
 */
public class CssFloatDefer extends org.w3c.css.properties.css.CssFloatDefer {

    public static final CssIdent[] allowed_values;

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

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

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


    /**
     * Set the value of the property

     * Does not check the number of values
     *
     * @param expression The expression for this property
     * @throws org.w3c.css.util.InvalidParamException
     *          The expression is incorrect
     */
    public CssFloatDefer(ApplContext ac, CssExpression expression)
            throws InvalidParamException {
        this(ac, expression, false);
    }

    /**
     * Set the value of the property
     *
     * @param expression The expression for this property
     * @param check      set it to true to check the number of values
     * @throws org.w3c.css.util.InvalidParamException
     *          The expression is incorrect
     */
    public CssFloatDefer(ApplContext ac, CssExpression expression,
                         boolean check) throws InvalidParamException {
        if (check && expression.getCount() > 1) {
            throw new InvalidParamException("unrecognize", ac);
        }
        setByUser();

        CssValue val;

        val = expression.getValue();

        switch (val.getType()) {
            case CssTypes.CSS_NUMBER:
                val.getCheckableValue().checkInteger(ac, this);
                value = val;
                break;
            case CssTypes.CSS_IDENT:
                CssIdent id = (CssIdent) val;
                if (inherit.equals(id)) {
                    value = inherit;
                    break;
                } else {
                    value = getAllowedIdent(id);
                    if (value != null) {
                        break;
                    }
                }
            default:
                throw new InvalidParamException("value",
                        val.toString(),
                        getPropertyName(), ac);
        }
        expression.next();
    }
}