#!/bin/sh
#

usage() {
cat <<EOF
gtkdoc-mkpdf version 1.24 - generate documentation in pdf format

--verbose               Print extra output while processing
--path=SEARCH_PATH      Extra source directories
--imgdir=DIR            Extra image directories
MODULE                  Name of the doc module being parsed
DRIVER_FILE             File containing the toplevel DocBook file.
--version               Print the version of this program
--help                  Print this help
EOF
}

#echo "args $0\n";

cleanexit() {
    rm -f $module.fo
    exit $1
}

# parse options, ignore unknown options for future extensions

verbose="0"
searchpath=
uninstalled=no
imgdirs=
while true; do
    case "X$1" in
        X--version) echo "1.24"; exit 0;;
        X--help) usage; exit 0;;
        X--uninstalled) uninstalled=yes; shift;;
        X--verbose) verbose="1"; shift;;
        X--path=*) searchpath=`echo $1 | sed s/.*=//`; shift;;
        X--imgdir=*) imgdirs="$imgdirs -I `echo $1 | sed s/.*=//`"; shift;;
        X--*) shift;;
        X*) break;;
    esac
done

if test $# -lt 2; then
    usage 1>&2
    exit 1
fi

module=$1
shift
document=$1
shift

quiet="1"
if test $verbose = "1"; then
    quiet="0"
fi

if test $uninstalled = yes; then
      # this does not work from buiddir!=srcdir
      # we could try this
      # MAKE_SCRDIR=$(abs_srcdir) MAKE_BUILDDIR=$(abs_builddir) gtkdoc-mkpdf ...
      gtkdocdir=`dirname $0`
      #echo "uninstalled, gtkdocdir=$gtkdocdir"
else
      # the first two are needed to resolve datadir
      prefix=/usr
      datarootdir=${prefix}/share
      gtkdocdir=${datarootdir}/gtk-doc/data
fi

if head -n 1 $document | grep "<?xml" > /dev/null; then
    is_xml=true
    path_option='--path'
else
    is_xml=false
    path_option='--directory'
fi

# we could do "$path_option $PWD "
# to avoid needing rewriting entities that are copied from the header
# into docs under xml
if test "X$searchpath" = "X"; then
    path_arg=
else
    path_arg="$path_option $searchpath"
fi

if $is_xml; then
  if test -n ""; then
      # extra options to consider
      # -I FIG_PATH
      # -V is useful for debugging
      # -T db2latex : different style
      # -d : keep transient files (for debugging)
      # -P abc.def=$quiet : once the stylesheets have a quiet mode
      # xsltproc is already called with --xinclude
      # does not work: --xslt-opts "$path_arg --nonet $@"
      dblatex_options="-o $module.pdf $imgdirs $document"
      #echo "calling:  $dblatex_options"
      if test $verbose = "0"; then
           2>&1 --help | grep  >/dev/null "\-\-quiet"
          if test "$?" = "0"; then
            dblatex_options="--quiet $dblatex_options";
          fi;
           2>&1 >/dev/null $dblatex_options | grep -v 'programlisting or screen'
      else
          {  2>&1 >&3 $dblatex_options | grep -v 'programlisting or screen' >&2; } 3>&1
      fi
  else
    if test -n ""; then
        /usr/bin/xsltproc $path_arg --nonet --xinclude \
            --stringparam gtkdoc.bookname $module \
            --stringparam gtkdoc.version "1.24" \
            --stringparam chunk.quietly $quiet \
            --stringparam chunker.output.quiet $quiet \
            "$@" -o $module.fo $gtkdocdir/gtk-doc-fo.xsl $document || cleanexit $?
        # fop dies too easily :(
        #  $module.fo $module.pdf
    else
      echo "dblatex or fop must be installed to use gtkdoc-mkpdf." >&2
      cleanexit 1
    fi
  fi
else
    # not very good output
    # also for xxx-docs.sgml it will produce xxx-docs.pdf
    docbook2pdf -e no-valid $document
fi

echo "timestamp" > pdf.stamp
cleanexit 0