PARSER_BEGIN(Faq) import java.io.*; public class Faq { static int count = 0; static int beginAt = 1; static PrintWriter indstr; static { try { indstr = new PrintWriter(new FileWriter("index.html")); indstr.println("Selected list of emails from the JavaCC mailing list"); indstr.println("

Selected list of emails from the JavaCC mailing list

"); } catch (IOException e) { throw new Error(); } } static String fix(String s) { String retval = ""; for (int i = 0; i < s.length(); i++) { char c = s.charAt(i); if (c == '<') { retval += "<"; } else if (c == '>') { retval += ">"; } else { retval += c; } } return retval; } public static void main(String args[]) throws ParseException { if (args.length == 1) { beginAt = Integer.parseInt(args[0]); } Faq parser = new Faq(System.in); parser.MailFile(); } } PARSER_END(Faq) // PARSER SPECIFICATIONS BEGIN HERE void MailFile() : { } { ( { count++; } MailMessage() { System.out.print(count + "."); System.out.flush(); } )* { System.out.println(""); indstr.close(); } } void MailMessage() : { PrintWriter msgstr = null; Token subj=null, from=null, date=null, body; if (count >= beginAt) { try { msgstr = new PrintWriter(new FileWriter(count + ".html")); } catch (IOException e) { throw new Error(); } } } { ( subj= | from= | date= )+ { indstr.print(""); if (subj == null) { indstr.println("no subject
"); } else { indstr.println(fix(subj.image) + "
"); } if (count >= beginAt) { msgstr.println("" + ((subj==null) ? "no subject" : fix(subj.image)) + ""); msgstr.println("Subject: " + ((subj==null) ? "no subject" : fix(subj.image)) + "
"); msgstr.println("From: " + ((from==null) ? "" : fix(from.image)) + "
"); msgstr.println("Date: " + ((date==null) ? "" : fix(date.image)) + "
"); msgstr.println("
"); } } ( body= { if (count >= beginAt) { msgstr.print(fix(body.image) + "
"); } } )* { if (count >= beginAt) { msgstr.close(); } } } // LEXICAL SPECIFICATIONS BEGIN HERE TOKEN: { <#EOL: "\n" | "\r" | "\r\n"> | <#TWOEOLS: (("\n"|"\r\n") ) | ("\r\r" [ "\n" ])> | <#NOT_EOL: ~["\n","\r"]> } SKIP: { < "*** EOOH ***" > : MAILHEADER | <~[]> } SKIP: { <_TWOEOLS: > : MAILBODY // We cannot have just a reference to a regular expression in a // lexical specification - i.e., we cannot simply have . | "Subject: " : MAILSUBJECT | "From: " : MAILFROM | "Date: " : MAILDATE | <~[]> } TOKEN: { )+> } SKIP: { <_EOL1: > : MAILHEADER } TOKEN: { )+> } SKIP: { <_EOL2: > : MAILHEADER } TOKEN: { )+> } SKIP: { <_EOL3: > : MAILHEADER } TOKEN: { > | : DEFAULT }