#!/usr/bin/env sh

##
## wrapper for chklref program
## Automatically generated by configure from chklref.in
##

#########################################################################
# Written and (C) by Jérôme Lelong <jerome.lelong@gmail.com>            #
#                                                                       #
# This program is free software; you can redistribute it and/or modify  #
# it under the terms of the GNU General Public License as published by  #
# the Free Software Foundation; either version 3 of the License, or     #
# (at your option) any later version.                                   #
#                                                                       #
# This program is distributed in the hope that it will be useful,       #
# but WITHOUT ANY WARRANTY; without even the implied warranty of        #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         #
# GNU General Public License for more details.                          #
#                                                                       #
# You should have received a copy of the GNU General Public License     #
# along with this program.  If not, see <http://www.gnu.org/licenses/>. #
#########################################################################

prefix=@prefix@
bindir=@bindir@
SCRIPTSDIR=@SCRIPTSDIR@

PERL=@perl_path@
LATEX=@latex_path@
PDFLATEX=@pdflatex_path@

print_usage()
{
    printf "usage: chklref [-d] [-q] [-p] file[.tex]\n";
    printf "\t-p : use pdflatex instead of latex\n";
    printf "\t-q : latex runs silently\n";
    printf "\t-d : debugging mode\n";
    printf "\t-h : displays this help\n";

}

out='/dev/stdout'
latex_cmd=$LATEX
debug=0
while getopts "pqhd" Option
do
    case $Option in
        p) latex_cmd=$PDFLATEX;;
        h) print_usage; exit 0;;
        q) out='/dev/null';;
        d) debug=1;;
        *) printf "illegal option\n"; print_usage; exit 0;;
    esac
done
shift $(($OPTIND - 1))

if [ $# -ne 1 ]; then
    print_usage; exit 0;
fi


# POSIX extractions of dirname and basename
basetexfile=${1##*/}
basetexfile=${basetexfile%.tex}
dirtexfile=${1%/*}
if [ "${dirtexfile}" = "$1" ]; then dirtexfile="."; fi

cd -- "${dirtexfile}"

printf "Running $latex_cmd on $basetexfile.tex to collect labels,
references and environment declarations\n\n"
$latex_cmd --interaction errorstopmode "${basetexfile}" > "$out" 2>&1
rm -f -- "$basetexfile".tex.chk
$latex_cmd --interaction errorstopmode --jobname "$basetexfile" \
    '\RequirePackage{chklref}\input' "{$basetexfile.tex}" > "$out" 2>&1
$PERL "$SCRIPTSDIR"/chkparser "$basetexfile".tex.chk
[ $debug -ne 0 ] || rm -f -- "$basetexfile".tex.chk