/**
* Format given HTML string so it is ready to be presented in a text view
*
* @param html
* @return formatted HTML
*/
public static CharSequence format(final String html) {
if (html == null) return "";
if (html.length() == 0) return "";
StringBuilder formatted = new StringBuilder(html);
// Remove e-mail toggle link
strip(formatted, TOGGLE_START, TOGGLE_END);
// Remove signature
strip(formatted, SIGNATURE_START, SIGNATURE_END);
// Replace div with e-mail content with block quote
replace(formatted, REPLY_START, REPLY_END, BLOCKQUOTE_START, BLOCKQUOTE_END);
// Remove hidden div
strip(formatted, HIDDEN_REPLY_START, HIDDEN_REPLY_END);
// Replace paragraphs with breaks
replace(formatted, PARAGRAPH_START, BREAK);
replace(formatted, PARAGRAPH_END, BREAK);
formatPres(formatted);
formatEmailFragments(formatted);
trim(formatted);
formatted.insert(0, ROOT_START);
formatted.append(ROOT_END);
return formatted;
}
