#! /bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/show-menu - show menu
#
# Copyright (c) 2001-2005 The Eisfair Team, c/o Frank Meyer, frank(at)eisfair(dot)org
#
# Creation:     04.11.2001  fm
# Last Update:  $Id$
#
# 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 2 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

# include eislib
. /var/install/include/eislib

menu_file="$1"
menu_package="$2"
url=''

if [ "$menu_package" != "" ]
then
    PACKAGE="$menu_package"
    export PACKAGE
fi


### read_menu_file
#############################################################################
read_menu_file()
{
    title=''
    n=0
    while read line
    do
        case "$line"
        in
            '#'*|'<!--'*)
                ## comment only - ignore
                ;;

            '<url/>')
                url=`cat /var/install/url`
                ;;

            '<version/>')
                version=`cat /etc/version`
                eiskernel=`grep "<version>" /var/install/packages/eiskernel 2>/dev/null | sed 's#</*version>##g'`
                kernel=`uname -r`
                ;;

            '<package>'*)
                temp=`/usr/local/bin/xmlsplit "$line" PACKAGE`
                if [ $? -eq 0 ]
                then
                    eval "declare $temp"
                    PACKAGE="$XMLSPLIT_TAG"
                    export PACKAGE
                fi
                ;;

            '<title>'*)
                temp=`/usr/local/bin/xmlsplit "$line" TITLE`
                if [ $? -eq 0 ]
                then
                    eval "declare $temp"
                    title="$XMLSPLIT_TAG"
                    n=`expr $n + 1`
                fi
                ;;

            '<menu'*)
                temp=`/usr/local/bin/xmlsplit "$line" MENU PACKAGE FILE`
                if [ $? -eq 0 ]
                then
                    eval "declare $temp"
                    eval comment_$n='"$XMLSPLIT_TAG"'
                    eval command_$n='"/var/install/bin/show-menu /var/install/menu/$XMLSPLIT_ATTR_FILE $XMLSPLIT_ATTR_PACKAGE"'
                    n=`expr $n + 1`
                fi
                ;;

            '<edit'*)
                temp=`/usr/local/bin/xmlsplit "$line" EDIT PACKAGE STOPSTART`
                if [ $? -eq 0 ]
                then
                    eval "declare $temp"
		    [ "$XMLSPLIT_ATTR_PACKAGE" = "" ] && XMLSPLIT_ATTR_PACKAGE="$PACKAGE"
                    eval comment_$n='"$XMLSPLIT_TAG"'
                    if [ "$XMLSPLIT_ATTR_STOPSTART" = "true" ]
                    then
                        eval command_$n='"/var/install/bin/edit -apply-stopstart \"$XMLSPLIT_ATTR_PACKAGE\" \"$XMLSPLIT_TAG\""'
                    else
                        eval command_$n='"/var/install/bin/edit -apply \"$XMLSPLIT_ATTR_PACKAGE\" \"$XMLSPLIT_TAG\""'
                    fi
                    n=`expr $n + 1`
                fi
                ;;

            '<doc'*)
                temp=`/usr/local/bin/xmlsplit "$line" DOC FILE`
                if [ $? -eq 0 ]
                then
                    eval "declare $temp"
                    eval comment_$n='"$XMLSPLIT_TAG"'
		    
                    eval command_$n='"/var/install/bin/doc \"$XMLSPLIT_ATTR_FILE\" \"$XMLSPLIT_TAG\""'
                    n=`expr $n + 1`
                fi
                ;;

            '<script'*)
                temp=`/usr/local/bin/xmlsplit "$line" SCRIPT FILE`
                if [ $? -eq 0 ]
                then
                    eval "declare $temp"
                    eval comment_$n='"$XMLSPLIT_TAG"'
                    case "$XMLSPLIT_ATTR_FILE"
                    in
                        /*)
                            eval command='"$XMLSPLIT_ATTR_FILE"'
                            ;;
                        ?*)
                            eval command='"/var/install/bin/$XMLSPLIT_ATTR_FILE"'
                            ;;
                        *)
                            command=''
                            ;;
                    esac

                    temp=`echo "$command" | cut -d' ' -f1`
                    if [ -x "$temp" ]
                    then
                        eval command_$n='"$command"'
                        n=`expr $n + 1`
                    fi
                fi
                ;;

            '<init'*)
                temp=`/usr/local/bin/xmlsplit "$line" INIT PACKAGE TASK`
                if [ $? -eq 0 ]
                then
                    eval "declare $temp"
		    [ "$XMLSPLIT_ATTR_PACKAGE" = "" ] && XMLSPLIT_ATTR_PACKAGE="$PACKAGE"
                    eval comment_$n='"$XMLSPLIT_TAG"'
                    if [ "$XMLSPLIT_ATTR_PACKAGE" != "" -a "$XMLSPLIT_ATTR_TASK" != "" ]
                    then
                        eval command_$n='"/var/install/bin/init \"$XMLSPLIT_ATTR_PACKAGE\" \"$XMLSPLIT_ATTR_TASK\" \"$XMLSPLIT_TAG\""'
                        n=`expr $n + 1`
                    fi
                fi
                ;;

            '<'*)
                # ignore unknown tags
                ;;

            *)  # old behavior for compatibility

                if [ $n -eq 0 ]
                then
                    title="$line"
                else
                    if [ "$line" = '$URL' ]
                    then
                        url=`cat /var/install/url`
                        n=`expr $n - 1`
                    elif [ "$line" = '$VERSION' ]
                    then
                        version=`cat /etc/version`
                        eiskernel=`grep "<version>" /var/install/packages/eiskernel 2>/dev/null | sed 's#</*version>##g'`
                        kernel=`uname -r`
                        n=`expr $n - 1`
                    else
                        set -- $line
                        command="$1"
                        shift
                        comment="$*"
                        eval comment_$n='"$comment"'
                        eval command_$n='"$command"'
                    fi
                fi
                n=`expr $n + 1`
                ;;
        esac
    done < $menu_file

    n=`expr $n - 1`
}


#############################################################################
### main
#############################################################################

while [ 1 ]
do
    clrhome
    read_menu_file
    mecho -info "$title"
    if [ "$url" != "" ]
    then
        url=`cat /var/install/url`
        echo "URL: $url"
    elif [ "$version" != "" ]
    then
        echo "base: $version   eiskernel: $eiskernel ($kernel)"
    else
        echo
    fi

    if [ $n -ge 10 ]
    then
        lines_used=`expr $n + 1`
    else
        lines_used=`expr $n '*' 2 + 2`
    fi
    blank_lines=`expr 22 - $lines_used`
    blank_lines=`expr $blank_lines / 2`

    i=1
    while [ $i -le $blank_lines ]
    do
        echo
        i=`expr $i + 1`
    done

    i=1
    while [ $i -le $n ]
    do
        eval command='$command_'$i
        eval comment='$comment_'$i

        if [ $i -lt 10 ]
        then
            echo "             $i: $comment"
        else
            echo "            $i: $comment"
        fi

        if [ $n -lt 10 ]
        then
            echo
        fi
        shift
        i=`expr $i + 1`
    done

    echo "             0: Exit"

    i=1
    while [ $i -le $blank_lines ]
    do
        echo
        i=`expr $i + 1`
    done

    echo -e "Command (1-$n, ENTER=Return 0=Exit) \c"
    read a

    if [ "$a" = 0 ]
    then
        exit 127
    fi

    if [ "$a" = "" ]
    then
        break
    fi

    if [ "$a" != "" -a $a -ge 1 -a $a -le $n ]
    then
        eval command='$command_'$a
        sh -c "$command"
        case $?
        in
            127)    exit 127;;
            0)      ;;
            *)      anykey;;
        esac
    fi
done

exit 0