#!/bin/sh
###############################################################################
# BRLTTY - A background process providing access to the console screen (when in
#          text mode) for a blind person using a refreshable braille display.
#
# Copyright (C) 1995-2018 by The BRLTTY Developers.
#
# BRLTTY comes with ABSOLUTELY NO WARRANTY.
#
# This is free software, placed under the terms of the
# GNU Lesser General Public License, as published by the Free Software
# Foundation; either version 2.1 of the License, or (at your option) any
# later version. Please see the file LICENSE-LGPL for details.
#
# Web Page: http://brltty.com/
#
# This software is maintained by Dave Mielke <dave@mielke.cc>.
###############################################################################

. "${0%/*}/prologue.sh"

executeCommand() {
   "${@}"
}

updateFiles() {
   fromRoot="${1}"
   fromDirectory="${2}"
   toDirectory="${3}"
   shift 3

   executeCommand mkdir -p -- "${outputRoot}/${toDirectory}"
   set -- `cd "${fromRoot}/${fromDirectory}" && echo ${*}`

   for fromFile
   do
      fromPath="${fromRoot}/${fromDirectory}/${fromFile}"
      [ -e "${fromPath}" ] && executeCommand cp -a -- "${fromPath}" "${outputRoot}/${toDirectory}/"
   done
}

outputRoot=""
sourceRoot=""
buildRoot=""
documentsSubdirectory=""
tablesSubdirectory=""

while getopts ":o:s:b:d:t:" option
do
   case "${option}"
   in
      o) outputRoot="${OPTARG}";;
      s) sourceRoot="${OPTARG}";;
      b) buildRoot="${OPTARG}";;
      d) documentsSubdirectory="${OPTARG}";;
      t) tablesSubdirectory="${OPTARG}";;
      :) syntaxError "missing value: -${OPTARG}";;
     \?) syntaxError "unknown option: -${OPTARG}";;
      *) syntaxError "unimplemented option: -${option}";;
   esac
done
shift `expr "${OPTIND}" - 1`

[ "${#}" -eq 0 ] || syntaxError "too many parameters"

[ -n "${outputRoot}" ] || outputRoot="doc"
verifyOutputDirectory "${outputRoot}"

[ -n "${sourceRoot}" ] || sourceRoot=`dirname "${0}"`
verifyInputDirectory "${sourceRoot}"
sourceRoot=`resolveDirectory "${sourceRoot}"`

if [ -n "${buildRoot}" ]
then
   verifyInputDirectory "${buildRoot}"
   buildRoot=`resolveDirectory "${buildRoot}"`
else
   buildRoot="${sourceRoot}"
fi

updateFiles "${sourceRoot}" "." "." "README" "LICENSE-*"

[ -z "${documentsSubdirectory}" ] || {
   updateFiles "${sourceRoot}" "${documentsSubdirectory}" "." "ChangeLog" "CONTRIBUTORS" "README.*" "TODO"
   updateFiles "${buildRoot}" "${documentsSubdirectory}" "." "brltty.conf"

   for manual in `cd "${sourceRoot}/${documentsSubdirectory}" && echo Manual-*/*`
   do
      for documentExtension in doc htm html pdf sgml txt
      do
         updateFiles "${sourceRoot}" "${documentsSubdirectory}/${manual}" "${manual}" "*.${documentExtension}"
      done
   done

   for manual in BrlAPIref
   do
      updateFiles "${buildRoot}" "${documentsSubdirectory}/${manual}/html" "${manual}" "*.html"
   done
}

[ -z "${tablesSubdirectory}" ] || {
   updateFiles "${sourceRoot}" "${tablesSubdirectory}" "." "README-*"
   executeCommand "${sourceRoot}/mkdocktb" -o "${outputRoot}/KeyTables" -s "${sourceRoot}" -b "${buildRoot}"
}

exit 0