#!/bin/sh
# man2html cgi script - uses /usr/bin/man2html to format man pages
# auxiliary text files in /home/httpd/cgi-aux/man
# aeb@cwi.nl - 980109

MAN2HTML="$DOCUMANCER_HOME/helpers/man2html/man2html"

LL="-H../ -p -M."
CG="../"


# Find the required page - expect to be called with "man2html [sec] page".
# There may a prefixed "-M manpath" option.
if [ $# -ge 2 -a x"$1" = x-M ]; then
    MANPATH="$2"
    export MANPATH
    shift; shift
    MP=" using the given MANPATH"
else
    MP=""
fi

if [ $# -gt 2 ]; then
    "$MAN2HTML" -E "man2html: bad invocation: too many arguments"
    exit 0
fi

# A single argument may be an explicitly give path name
# Otherwise, ask man where to find it
if [ $# = 1 ]; then
    case "$1" in
	/*)
	    PAGE="$1"
	    ;;
	*)
	    PAGE=`man -w -c "$@" 2>/dev/null`
	    ;;
    esac
else
	PAGE=`man -w -c "$@" 2>/dev/null`
fi

if [ x"$PAGE" = x ]; then
    complaint="man2html: cannot find a page"
    if [ $# = 1 ]; then
	"$MAN2HTML" -E "$complaint for $1$MP"
    else
	"$MAN2HTML" -E "$complaint for $2 in section $1$MP"
    fi
    exit 0
fi

if [ -r "$PAGE" ]
then
    case "$PAGE" in
    *.bz2)
	bzcat "$PAGE" | "$MAN2HTML" $LL -D "$PAGE"
	;;
    *.gz)
	zcat "$PAGE" | "$MAN2HTML" $LL -D "$PAGE"
	;;
    *)
	"$MAN2HTML" $LL "$PAGE"
	;;
    esac
elif [ -r "$PAGE".gz ]
then
	zcat "$PAGE".gz | "$MAN2HTML" $LL -D "$PAGE"
elif [ -r "$PAGE".bz2 ]
then
	bzcat "$PAGE".bz2 | "$MAN2HTML" $LL -D "$PAGE"
else
	"$MAN2HTML" -E "Strange... Cannot find (or read) $PAGE."
fi
exit 0