/** Parse a Mediawiki heading of the form "==heading==" and return the resulting HTML output. */
public String parse(JFlexLexer lexer, String raw, Object... args) throws ParserException {
if (logger.isTraceEnabled()) {
logger.trace("heading: " + raw + " (" + lexer.yystate() + ")");
}
// the wikiheading tag may match a preceding newline, so strip it
raw = raw.trim();
int level = this.generateTagLevel(raw, args);
String tagText = this.generateTagText(raw, args);
String tocText = this.buildTocText(lexer, tagText);
String tagName = this.buildTagName(lexer, tocText);
if (lexer.getMode() <= JFlexParser.MODE_SLICE) {
String sectionName = StringEscapeUtils.unescapeHtml4(tocText);
lexer.getParserOutput().setSectionName(sectionName);
return raw;
}
if (!(lexer instanceof JAMWikiLexer)) {
throw new IllegalStateException(
"Cannot parse heading tags except with instances of JAMWikiLexer or in slice/splice mode");
}
JAMWikiLexer jamwikiLexer = (JAMWikiLexer) lexer;
if (jamwikiLexer.paragraphIsOpen()) {
// close any open paragraph
jamwikiLexer.popTag("p");
}
return this.generateOutput(jamwikiLexer, tagName, tocText, tagText, level, raw, args);
}
