#!/bin/sh

# $1 - action
# $2 - type of archive
# $3 - pager

action=$1
filetype=$2
pager=$3

[ -n "${MC_XDG_OPEN}" ] || MC_XDG_OPEN="xdg-open"

get_unpacker() {
filetype=$1
case "${filetype}" in
man.gz)
unpacker="gzip -dc"
;;
man.bz)
unpacker="bzip -dc"
;;
man.bz2)
unpacker="bzip2 -dc"
;;
man.lz)
unpacker="lzip -dc"
;;
man.lz4)
unpacker="lz4 -dc"
;;
man.lzma)
unpacker="lzma -dc"
;;
man.xz)
unpacker="xz -dc"
;;
esac
echo ${unpacker}
}


do_view_action() {
filetype=$1

unpacker=`get_unpacker ${filetype}`

case "${filetype}" in
man)
case "${MC_EXT_FILENAME}" in
*/log/*|*/logs/*)
cat "${MC_EXT_FILENAME}"
;;
*)
MANROFFOPT=-c MAN_KEEP_FORMATTING=1 man -P cat "${MC_EXT_FILENAME}"
;;
esac
;;
pod)
pod2man "${MC_EXT_FILENAME}" | nroff -c -Tlatin1 -mandoc
;;
nroff.me)
nroff -c -Tlatin1 -me "${MC_EXT_FILENAME}"
;;
nroff.ms)
nroff -c -Tlatin1 -ms "${MC_EXT_FILENAME}"
;;
man.gz|man.bz|man.bz2|man.lz|man.lz4|man.lzma|man.xz)
case "${MC_EXT_FILENAME}" in
*/log/*|*/logs/*)
${unpacker} "${MC_EXT_FILENAME}"
;;
*)
# "man" takes care of uncompressing.
# This way the stdin is left intact so the correct width is used.
MANROFFOPT=-c MAN_KEEP_FORMATTING=1 man -P cat "${MC_EXT_FILENAME}"
;;
esac
;;
*)
;;
esac
}

do_open_action() {
filetype=$1
pager=$2

unpacker=`get_unpacker ${filetype}`

case "${filetype}" in
info)
info -f "${MC_EXT_FILENAME}"
;;
man)
case "${MC_EXT_FILENAME}" in
*/log/*|*/logs/*)
cat "${MC_EXT_FILENAME}"
;;
*)
{ zsoelim "${MC_EXT_FILENAME}" 2>/dev/null || cat "${MC_EXT_FILENAME}"; } | \
nroff -c -Tlatin1 -mandoc
;;
esac | ${pager}
;;
pod)
pod2man "${MC_EXT_FILENAME}" | nroff -c -Tlatin1 -mandoc | ${pager}
;;
nroff.me)
nroff -c -Tlatin1 -me "${MC_EXT_FILENAME}" | ${pager}
;;
nroff.ms)
nroff -c -Tlatin1 -ms "${MC_EXT_FILENAME}" | ${pager}
;;
man.gz|man.bz|man.bz2|man.lz|man.lz4|man.lzma|man.xz)
case "${MC_EXT_FILENAME}" in
*/log/*|*/logs/*)
${unpacker} "${MC_EXT_FILENAME}"
;;
*)
${unpacker} "${MC_EXT_FILENAME}" | nroff -c -Tlatin1 -mandoc
;;
esac | ${pager}
;;
chm)
if [ -n "$DISPLAY" ]; then
which kchmviewer > /dev/null 2>&1 \
&& (kchmviewer "${MC_EXT_FILENAME}" &) \
|| (xchm "${MC_EXT_FILENAME}" &)
else
chm_http "${MC_EXT_FILENAME}" & elinks http://localhost:8080/index.html
kill -INT %1
fi
;;
*)
;;
esac
}

case "${action}" in
view)
do_view_action "${filetype}"
;;
open)
("${MC_XDG_OPEN}" "${MC_EXT_FILENAME}" >/dev/null 2>&1) || \
do_open_action "${filetype}" "${pager}"
;;
*)
;;
esac