w3c.css.properties.atsc.CssOutline 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
// $Id$
// Author: Yves Lafon 
//
// (c) COPYRIGHT MIT, ERCIM and Keio University, 2012.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.atsc;

import org.w3c.css.properties.css2.CssBorderStyle;
import org.w3c.css.properties.css2.CssBorderWidth;
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;
import org.w3c.css.values.CssValueList;

import java.util.ArrayList;

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

/**
 * @spec http://www.w3.org/TR/2008/REC-CSS2-20080411/ui.html#propdef-outline
 * @see org.w3c.css.properties.css2.CssBorderStyle
 * @see org.w3c.css.properties.css2.CssBorderWidth
 */
public class CssOutline extends org.w3c.css.properties.css.CssOutline {

    /**
     * Create a new CssOutline
     */
    public CssOutline() {
        _color = new CssOutlineColor();
        _style = new CssOutlineStyle();
        _width = new CssOutlineWidth();
    }

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

        if (check && expression.getCount() > 3) {
            throw new InvalidParamException("unrecognize", ac);
        }

        setByUser();

        ac.getFrame().addWarning("atsc", expression.toString());

        CssValue val;
        char op;

        _color = new CssOutlineColor();
        _style = new CssOutlineStyle();
        _width = new CssOutlineWidth();

        while (!expression.end()) {
            val = expression.getValue();
            op = expression.getOperator();

            switch (val.getType()) {
                case CssTypes.CSS_NUMBER:
                case CssTypes.CSS_LENGTH:
                    if (_width.value == null) {
                        CssExpression ex = new CssExpression();
                        ex.addValue(val);
                        _width = new CssOutlineWidth(ac, ex, check);
                        break;
                    }
                    // else, we already got one...
                    throw new InvalidParamException("value",
                            val.toString(),
                            getPropertyName(), ac);
                case CssTypes.CSS_COLOR:
                    if (_color.value == null) {
                        CssExpression ex = new CssExpression();
                        ex.addValue(val);
                        _color = new CssOutlineColor(ac, ex, check);
                        break;
                    }
                    // else, we already got one...
                    throw new InvalidParamException("value",
                            val.toString(),
                            getPropertyName(), ac);
                case CssTypes.CSS_IDENT:
                    if (inherit.equals(val)) {
                        if (expression.getCount() != 1) {
                            throw new InvalidParamException("value",
                                    val.toString(),
                                    getPropertyName(), ac);
                        }
                        value = inherit;
                        break;
                    }
                    CssIdent ident = (CssIdent) val;
                    // let's try to find which ident we have...
                    if (_style.value == null) {
                        CssIdent match = CssBorderStyle.getMatchingIdent(ident);
                        if (match != null) {
                            _style.value = match;
                            break;
                        }
                    }
                    if (_width.value == null) {
                        CssIdent match = CssBorderWidth.getMatchingIdent(ident);
                        if (match != null) {
                            _width.value = match;
                            break;
                        }
                    }
                    if (_color.value == null) {
                        CssIdent match = CssOutlineColor.getMatchingIdent(ident);
                        if (match != null) {
                            _color.value = match;
                            break;
                        } else {
                            CssExpression ex = new CssExpression();
                            ex.addValue(val);
                            _color = new CssOutlineColor(ac, ex, check);
                            break;
                        }
                    }
                    // unrecognized... fail
                default:
                    throw new InvalidParamException("value",
                            val.toString(),
                            getPropertyName(), ac);
            }
            expression.next();
            if (op != SPACE) {
                throw new InvalidParamException("operator",
                        Character.toString(op),
                        ac);
            }
        }
        if (expression.getCount() == 1) {
            if (_width.value != null) {
                value = _width.value;
            } else if (_style.value != null) {
                value = _style.value;
            } else {
                value = _color.value;
            }
        } else {
            ArrayList values = new ArrayList(4);
            if (_width.value != null) {
                values.add(_width.value);
            }
            if (_style.value != null) {
                values.add(_style.value);
            }
            if (_color.value != null) {
                values.add(_color.value);
            }
            value = new CssValueList(values);
        }
    }

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

}