#!/bin/sh

# manpage tests using mandoc
#
# Contact: grubert@users.sourceforge.net
# Revision: $Revision: 8493 $
# Date: $Date: 2020-02-17 12:30:46 +0100 (Mo, 17. Feb 2020) $
# Copyright: This script has been placed in the public domain.

# mandoc arguments
#
#   -K encoding
#           Specify the input encoding. 
#           supported arguments us-ascii, iso-8859-1, and utf-8.
#           
#           If the first or second line of the input file matches the emacs mode line format
#
#                          .\" -*- [...;] coding: encoding; -*-
#
#           then input is interpreted according to encoding.
#
#   -T output
#           Select the output format.
#           Supported values for the output argument are ascii, html, the default
#           of locale, man, markdown, pdf, ps, tree, and utf8.

IN_DIR=input
OUT_DIR=output-mandoc
EXP_DIR=expected-mandoc

#ENCS="latin1 utf8 ascii ps"
ENCS="utf8 ascii ps"
GROFF=""

if [ -z "$1" ] ; then
  FILES=*.txt
else
  FILES=$1
fi

ERROR_CNT=0

inc_ERROR_CNT () {
    ERROR_CNT=$(( ERROR_CNT + 1 ))
}

report_ERROR_CNT () {
    echo "$ERROR_CNT errors"
}

CMD="python3 ../../docutils/tools/rst2man.py --traceback"

for IN_F in $IN_DIR/$FILES ; do
  BASE=`basename $IN_F`
  F_BASE=${BASE%.txt}
  if echo $F_BASE | grep -q -- '-de\.' ; then
    OPT="-l de"
  else
    OPT=""
  fi
  $CMD $OPT $IN_F $OUT_DIR/$F_BASE.man
  if [ $? -eq 0 ] ; then
    diff -s -u $EXP_DIR/$F_BASE.man $OUT_DIR/$F_BASE.man
    if [ $? -ne 0 ] ; then
      inc_ERROR_CNT
    fi
    for ENC in $ENCS ; do
      if [ -e $EXP_DIR/$F_BASE.$ENC ] ; then
        mandoc -T$ENC $OUT_DIR/$F_BASE.man > $OUT_DIR/$F_BASE.$ENC
        diff -s -u $EXP_DIR/$F_BASE.$ENC $OUT_DIR/$F_BASE.$ENC
        if [ $? -ne 0 ] ; then
          inc_ERROR_CNT
        fi
      fi
    done
  fi
done

if [ -n "$1" ] ; then
    report_ERROR_CNT
    exit
fi

# language test
for L in "en" "de" ; do
  for IN_F in $IN_DIR/docinfo-*.txt ; do
    BASE=`basename $IN_F`
    F_BASE=${BASE%.txt}
    OPT="-l $L"
    EXT="-l_$L"
    $CMD $OPT $IN_F $OUT_DIR/$F_BASE$EXT.man
    if [ $? -eq 0 ] ; then
      diff -s -u $EXP_DIR/$F_BASE$EXT.man $OUT_DIR/$F_BASE$EXT.man
      if [ $? -ne 0 ] ; then
        inc_ERROR_CNT
      fi
    fi
  done
done

# reference macros
EXT=-urue.man
for EXP_F in $EXP_DIR/*$EXT ; do
  BASE=`basename $EXP_F`
  F_BASE=${BASE%$EXT}
  OPT="--macro-references"
  $CMD $OPT $IN_DIR/$F_BASE.txt $OUT_DIR/$BASE
  if [ $? -eq 0 ] ; then
    diff -s -u $EXP_DIR/$BASE $OUT_DIR/$BASE
    if [ $? -ne 0 ] ; then
      inc_ERROR_CNT
    fi
    for ENC in $ENCS ; do
      BASE=${BASE%.man}
      if [ -e $EXP_DIR/$BASE.$ENC ] ; then
        mandoc -T$ENC $OUT_DIR/$BASE.man > $OUT_DIR/$BASE.$ENC
        diff -s -u $EXP_DIR/$BASE.$ENC $OUT_DIR/$BASE.$ENC
        if [ $? -ne 0 ] ; then
          inc_ERROR_CNT
        fi
      fi
    done
  fi
done

report_ERROR_CNT