StringTemplateCSSHelper.java 文件源码

protected void initialize(String input)
{
    StringTemplateCSSLexer lexer = new StringTemplateCSSLexer(new ANTLRInputStream(input));

    CommonTokenStream tokens = new CommonTokenStream(lexer);

    StringTemplateCSSParser parser = new StringTemplateCSSParser(tokens);

    parser.setErrorHandler(new BailErrorStrategy());

    ParseTree tree = parser.css();

    Collection<ParseTree> selectorCombinations = XPath.findAll(tree, "//selectorCombination", parser);

    final StringUtils stringUtils = StringUtils.getInstance();

    this.selectors = new ArrayList<List<String>>(selectorCombinations.size());
    this.properties = new HashMap<List<String>, Map<String, String>>();

    for (ParseTree selectorCombination : selectorCombinations) {
        List<String> currentSelectors = new ArrayList<String>(selectorCombination.getChildCount());
        this.selectors.add(currentSelectors);

        for (int index = 0; index < selectorCombination.getChildCount(); index++) {
            String text = selectorCombination.getChild(index).getText();
            currentSelectors.add(text);
        }
        Map<String, String> block = retrieveProperties(selectorCombination, stringUtils);

        this.properties.put(currentSelectors, block);
    }
}