// $Id$
// Author: Yves Lafon <ylafon@w3.org>
//
// (c) COPYRIGHT MIT, ERCIM and Keio University, 2012.
// Please first read the full copyright statement in file COPYRIGHT.html
package org.w3c.css.properties.css2;

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/2008/REC-CSS2-20080411/generate.html#propdef-list-style-type
 */
public class CssListStyleType extends org.w3c.css.properties.css.CssListStyleType {

    public static final CssIdent[] allowed_values;

    static {
        String[] _allowed_values = {"none", "disc", "circle", "square", "decimal",
                "decimal-leading-zero", "lower-roman", "upper-roman", "lower-greek",
                "lower-alpha", "lower-latin", "upper-alpha", "upper-latin", "hebrew",
                "armenian", "georgian", "cjk-ideographic", "hiragana", "katakana",
                "hiragana-iroha", "katakana-iroha"};
        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 CssListStyleType
     */
    public CssListStyleType() {
    }


    /**
     * Set the value of the property<br/>
     * 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 CssListStyleType(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 CssListStyleType(ApplContext ac, CssExpression expression,
                            boolean check) throws InvalidParamException {
        if (check && expression.getCount() > 1) {
            throw new InvalidParamException("unrecognize", ac);
        }
        setByUser();

        CssValue val;
        char op;

        val = expression.getValue();
        op = expression.getOperator();

        if (val.getType() != CssTypes.CSS_IDENT) {
            throw new InvalidParamException("value", val,
                    getPropertyName(), ac);
        }
        CssIdent id = (CssIdent) val;
        if (inherit.equals(id)) {
            value = inherit;
        } else {
            value = getAllowedIdent(id);
            if (value == null) {
                throw new InvalidParamException("value",
                        val.toString(),
                        getPropertyName(), ac);
            }
        }
        expression.next();
    }

}