#!/usr/bin/perl

 # Parses Java source code from STDIN and generates script for BASH completion

 # Input (in this order):

 #	info/globalcode/sql/dk/Constants.java

 #	info/globalcode/sql/dk/formatting/*

 #	info/globalcode/sql/dk/CLIParser.java

 # TODO: support database/formatter names with spaces

 use strict;

 use warnings;

 my $configDir = "~";

 while (<>) {

 	if (/"(.*?)".*? \/\/\s*bash-completion:dir/) {

 		$configDir .= "/$1";

 		last;

 	}

 }

 my $databasesFile  = "$configDir/bash-completion/databases";

 my $formattersFile = "$configDir/bash-completion/formatters";

 print 'have sql-dk &&

 _sql_dk()

 {

 	local cur prev

 	COMPREPLY=()

 	cur=${COMP_WORDS[COMP_CWORD]}

 	prev=${COMP_WORDS[COMP_CWORD-1]}

 	case "$prev" in

 	--db)

 		if [ -f '.$databasesFile.' ]; then

 			COMPREPLY=( $( compgen -W " $( cat '.$databasesFile.' ) " -- $cur ) )

 			return 0

 		fi

 		;;

 	--formatter)

 		if [ -f '.$formattersFile.' ]; then

 			COMPREPLY=( $( compgen -W " $( cat '.$formattersFile.' ) " -- $cur ) )

 		else

 			COMPREPLY=( $( compgen -W "

 ';

 while (<>) {

 	if (/"(.*?)".*? \/\/\s*bash-completion:formatter/) {

 		print "				$1\n";

 	}

 	last if (/\/\/\s*bash-completion:options/);

 }

 print '				" -- $cur ) );

 		fi

 		return 0

 		;;

 	esac;

 	COMPREPLY=( $( compgen -W "

 ';

 while (<>) {

 	if (/"(.*?)".*? \/\/\s*bash-completion:option/) {

 		print "			$1\n";

 	}

 }

 print '		" -- $cur ) )

 	return 0

 }

 complete -F _sql_dk sql-dk

 ';