public static Nodes parse(ParserController pc,
    JspReader reader,
    Node parent,
    boolean isTagFile,
    boolean directivesOnly,
    URL jarFileUrl,
    String pageEnc,
    String jspConfigPageEnc,
    boolean isDefaultPageEncoding,
    boolean isBomPresent) throws JasperException 
{
        Parser parser = new Parser(pc, reader, isTagFile, directivesOnly,
                jarFileUrl);
        Node.Root root = new Node.Root(reader.mark(), parent, false);
        root.setPageEncoding(pageEnc);
        root.setJspConfigPageEncoding(jspConfigPageEnc);
        root.setIsDefaultPageEncoding(isDefaultPageEncoding);
        root.setIsBomPresent(isBomPresent);
        // For the Top level page, add include-prelude and include-coda
        PageInfo pageInfo = pc.getCompiler().getPageInfo();
        if (parent == null && !isTagFile) {
            parser.addInclude(root, pageInfo.getIncludePrelude());
        }
        if (directivesOnly) {
            parser.parseFileDirectives(root);
        } else {
            while (reader.hasMoreInput()) {
                parser.parseElements(root);
            }
        }
        if (parent == null && !isTagFile) {
            parser.addInclude(root, pageInfo.getIncludeCoda());
        }
        Node.Nodes page = new Node.Nodes(root);
        return page;
}

The main entry for Parser

 Attributes parseAttributes() throws JasperException 
{
        AttributesImpl attrs = new AttributesImpl();
        reader.skipSpaces();
        while (parseAttribute(attrs))
            reader.skipSpaces();
        return attrs;
}

Attributes ::= (S Attribute)* S?

 public static Attributes parseAttributes(ParserController pc,
    JspReader reader) throws JasperException 
{
        Parser tmpParser = new Parser(pc, reader, false, false, null);
        return tmpParser.parseAttributes();
}

Parse Attributes for a reader, provided for external use