/*
* This file is part of LaTeXDraw.
* Copyright (c) 2005-2017 Arnaud BLOUIN
* LaTeXDraw is free software; you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation; either version 2 of the License, or (at your option) any later version.
* LaTeXDraw is distributed without any warranty; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*/
package net.sf.latexdraw.parsers.svg.parsers;
import java.text.ParseException;
import java.util.Objects;
import net.sf.latexdraw.parsers.css.AbstractCSSParser;
/**
* A parser that parses SVG CSS style attributes.
* @author Arnaud BLOUIN
*/
public class CSSStyleParser extends AbstractCSSParser {
/** The handler which will manage actions to do when a CSS style is parsed. @since 0.1 */
protected CSSStyleHandler handler ;
/**
* The constructor.
* @param code The code to parse (must not be null).
* @param csshandler The CSS style csshandler.
* @throws IllegalArgumentException If the given csshandler is null.
*/
public CSSStyleParser(final String code, final CSSStyleHandler csshandler) {
super(code);
handler = Objects.requireNonNull(csshandler);
}
@Override
public void parse() throws ParseException {
final StringBuilder name = new StringBuilder();
final StringBuilder value = new StringBuilder();
skipWSPComments();
while(!isEOC()) {
while(getChar()!=':' && !isWSP() && !isEOC() && !isComment()) {
name.append((char)getChar());
nextChar();
}
skipWSPComments();
if(name.length()==0 || isEOC() || getChar()!=':')
throw new ParseException("Invalid CSS style definition.", getPosition());//$NON-NLS-1$
nextChar();
skipWSPComments();
while(getChar()!=';' && !isEOC() && !isComment()) {
if(!isWSP())
value.append((char)getChar());
nextChar();
}
if(value.length()==0) throw new ParseException("value expected but not found.", getPosition());//$NON-NLS-1$
handler.onCSSStyle(name.toString(), value.toString());
name.delete(0, name.length());
value.delete(0, value.length());
skipWSPComments();
if(!isEOC() && getChar()!=';') throw new ParseException("token ';' expected but not found.", getPosition());//$NON-NLS-1$
nextChar();
skipWSPComments();
}//while
}
}