#!/bin/bash

# $Id: tocgen.sh,v 1.2 2004/01/30 06:17:34 mitch Exp $
#
# This script adds a Table of Contents to an HTML document.
#
# Copyright (c) 2002-2003, FullSpan Software (www.fullspan.com)
# Usage subject to terns in license.html


USAGE=\
"
Usage:
  tocgen.sh INFILE OUTFILE STYLESHEET

Adds a Table of Contents to an HTML document.
"

if [ $# -ne 3 ]; then
  echo -e "$USAGE"
  exit 1
fi

INFILE="$1"
OUTFILE="$2"
STYLESHEET="$3"

BKFILE="$INFILE".bak
TMPFILE1="$INFILE".tmp1
TMPFILE2="$INFILE".tmp2

if [ ! -e "$INFILE" ]; then
   echo "Input file does not exist: $INFILE"
   exit 1
fi

if [ ! -e "$STYLESHEET" ]; then
   echo "Stylesheet file does not exist: $STYLESHEET"
   exit 1
fi

# Make a backup copy if the outfile is the same as the infile

if [ "$INFILE" == "$OUTFILE" ]; then               
   cp "$INFILE" "$BKFILE"
fi

tidy -quiet --indent auto --indent-spaces 3 --tab-size 3 --wrap 0 \
   --break-before-br yes --enclose-text yes \
   --enclose-text yes --tidy-mark no \
   --output-xhtml yes --add-xml-space yes --doctype loose \
   -o "$TMPFILE1" "$INFILE"

# Bail out if there are errors (Tidy exit code 2), but keep going if
# there are warnings (Tidy exit code 1) or if Tidy exits with
# no errors or warnings (exit code 0)

if [ $? -ge 2 ]; then
   echo "Error(s) occurred during HTML Tidy"
   exit 1
fi

java bsh.Interpreter tocgen.bsh "$TMPFILE1" "$TMPFILE2" "$STYLESHEET"

tidy -quiet --indent auto --indent-spaces 3 --tab-size 3 --wrap 0 \
   --break-before-br yes --enclose-text yes \
   --enclose-text yes --tidy-mark no \
   --output-xhtml yes --add-xml-space yes --doctype loose \
   -o "$OUTFILE" "$TMPFILE2"

rm "$TMPFILE1"
rm "$TMPFILE2"