cz.vutbr.web.csskit.fn.CountersImpl Maven / Gradle / Ivy

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jStyleParser is a CSS parser written in Java. It has its own application interface that is designed to allow an efficient CSS processing in Java and mapping the values to the Java data types. It parses CSS 2.1 style sheets into structures that can be efficiently assigned to DOM elements. It is intended be the primary CSS parser for the CSSBox library. While handling errors, it is user agent conforming according to the CSS specification.

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/**
 * 
 */
package cz.vutbr.web.csskit.fn;

import java.util.List;

import cz.vutbr.web.css.CSSProperty.ListStyleType;
import cz.vutbr.web.css.Term;
import cz.vutbr.web.css.TermFunction;
import cz.vutbr.web.css.TermIdent;
import cz.vutbr.web.css.TermList;
import cz.vutbr.web.css.TermString;
import cz.vutbr.web.csskit.TermFunctionImpl;

/**
 * @author burgetr
 *
 */
public class CountersImpl extends TermFunctionImpl implements TermFunction.Counters {
    
    private String name;
    private ListStyleType style;
    private String separator;
    
    public CountersImpl() {
        setValid(false);
    }

    @Override
    public String getName() {
        return name;
    }

    @Override
    public ListStyleType getStyle() {
        return style;
    }
    
    @Override
    public String getSeparator() {
        return separator;
    }

    @Override
    public TermList setValue(List> value) {
        super.setValue(value);
        List> args = getSeparatedValues(DEFAULT_ARG_SEP, true);
        if (args != null && (args.size() == 2 || args.size() == 3)) {
            //check for name and separator
            if (args.get(0) instanceof TermIdent && args.get(1) instanceof TermString) {
                name = ((TermIdent) args.get(0)).getValue();
                separator = ((TermString) args.get(1)).getValue();
                setValid(true);
            }
            //an optional style
            if (args.size() == 3) {
                if (args.get(2) instanceof TermIdent) {
                    final String styleString = ((TermIdent) args.get(2)).getValue();
                    style = CounterImpl.allowedStyles.get(styleString.toLowerCase());
                    if (style == null) {
                        setValid(false); //unknown style
                    }
                } else {
                    setValid(false);
                }
            }
        }
        return this;
    }

}