#! /bin/sh # # $Id: Menuconfig,v 1.7 1999/09/06 08:03:27 fritz Exp $ # # This script is borrowed from the linux Menuconfig script. # # This script attempts to parse the configuration files, which are # scattered throughout the source tree, and creates a temporary # set of mini scripts which are in turn used to create nested menus and # radiolists. # # It uses a very modified/mutilated version of the "dialog" utility # written by Savio Lam (lam836@cs.cuhk.hk). Savio is not responsible # for this script or the version of dialog used by this script. # Please do not contact him with questions. The official version of # dialog is available at sunsite.unc.edu or a sunsite mirror. # # Portions of this script were borrowed from the original Configure # script. # #---------------------------------------------------------------------------- # # Change this to TRUE if you prefer all kernel options listed # in a single menu rather than the standard menu hierarchy. # single_menu_mode= # # Make sure we're really running bash. # [ -z "$BASH" ] && { echo "Menuconfig requires bash" 1>&2; exit 1; } # # Cache function definitions, turn off posix compliance # set -h +o posix # # Load the functions used by the config.in files. # # I do this because these functions must be redefined depending # on whether they are being called for interactive use or for # saving a configuration to a file. # # Thank the heavens bash supports nesting function definitions. # load_functions () { # # Additional comments # function comment () { comment_ctr=$[ comment_ctr + 1 ] echo -ne "': $comment_ctr' '--- $1' " >>MCmenu } # # Don't need this yet, but we don't want to puke either. # function set_bool () { eval $2=\${$2:-'n'} x=\$$2 echo "\$1=$1 \$2=$2" >&2 } # # Don't need this yet, but we don't want to puke either. # function define_bool () { : } # # Create a boolean (Yes/No) function for our current menu # which calls our local bool function. # function bool () { eval $2=\${$2:-'n'} x=\$$2 case $x in y|m) flag="*" ;; n) flag=" " ;; esac echo -ne "'$2' '[$flag] $1' " >>MCmenu echo -e "function $2 () { l_bool '$2' \"\$1\" ;}\n" >>MCradiolists } # # Create a function which is dependent on # another configuration option. # function dep_bool () { if eval [ "_$3" != "_n" ] then bool "$1" "$2" else disabled "$1" "$2" fi } # # Add a menu item which will call our local int function. # function int () { eval $2=\${$2:-"$3"} x=\$$2 echo -ne "'$2' '($x) $1' " >>MCmenu echo -e "function $2 () { l_int '$1' '$2' '$3' '$x' ;}" >>MCradiolists } # # Add a menu item which will call our local hex function. # function hex () { eval $2=\${$2:-"$3"} x=\${$2##*[x,X]} echo -ne "'$2' '($x) $1' " >>MCmenu echo -e "function $2 () { l_hex '$1' '$2' '$3' '$x' ;}" >>MCradiolists } # # Add a menu item which will call our local string function. # function string () { eval $2=\${"$2":-"$3"} x=\$"$2" echo -ne "'$2' '\"$x\" $1' " >>MCmenu echo -e "function $2 () { l_string '$1' '$2' '$3' '$x' ;}" >>MCradiolists } # # Add a menu item which will call our local One-of-Many choice list. # function choice () { # # Need to remember params cause they're gonna get reset. # title=$1 choices=$2 default=$3 current= # # Find out if one of the choices is already set. # If it's not then make it the default. # set -- $choices firstchoice=$2 while [ -n "$2" ] do if eval [ "_\$$2" = "_y" ] then current=$1 break fi shift ; shift done : ${current:=$default} echo -ne "'$firstchoice' '($current) $title' " >>MCmenu echo -e " function $firstchoice () \ { l_choice '$title' \"$choices\" $current ;}" >>MCradiolists } } # END load_functions() # # Extract available help for an option from Configure.help # and send it to standard output. # # Most of this function was borrowed from the original kernel # Configure script. # function extract_help () { if [ -f doc/Configure.help ] then #first escape regexp special characters in the argument: var=$(echo "$1"|sed 's/[][\/.^$*]/\\&/g') #now pick out the right help text: text=$(sed -n "/^$var[ ]*\$/,\${ /^$var[ ]*\$/d /^#.*/d /^[ ]*\$/q s/^ // p }" doc/Configure.help) if [ -z "$text" ] then echo "There is no help available for this option." return 1 else echo "$text" fi else echo "There is no help available for this option." return 1 fi } # # Activate a help dialog. # function help () { if [ "$1" = ":" ] ; then return 0 fi if extract_help $1 >help.out then $DIALOG --backtitle "$backtitle" --title "$2"\ --textbox help.out $ROWS $COLS else $DIALOG --backtitle "$backtitle" \ --textbox help.out $ROWS $COLS fi rm help.out } # # Show the README file. # function show_readme () { $DIALOG --backtitle "$backtitle" \ --textbox scripts/README.Menuconfig $ROWS $COLS } # # Begin building the dialog menu command and Initialize the # Radiolist function file. # function menu_name () { echo -ne "$DIALOG --title '$1'\ --backtitle '$backtitle' \ --menu '$menu_instructions' \ $ROWS $COLS $((ROWS-10)) \ '$default' " >MCmenu >MCradiolists } # # Add a submenu option to the menu currently under construction. # function submenu () { echo -ne "'activate_menu $2' '$1 --->' " >>MCmenu } # # Handle a boolean (Yes/No) option. # function l_bool () { if [ -n "$2" ] then case "$2" in y) eval $1=y ;; c) eval x=\$$1 case $x in y) eval $1=n ;; n) eval $1=y ;; esac ;; *) eval $1=n ;; esac else echo -ne "\007" fi } # # Same as bool() except disabled # function disabled () { eval $2=\${$2:-'n'} x=\$$2 case $x in *) flag=' ' ;; esac echo -ne "'$2' '<$flag> $1' " >>MCmenu echo -e "function $2 () { l_disabled '$2' \"\$1\" ;}" >>MCradiolists } # # Same as l_bool() except disabled # function l_disabled() { if [ -n "$2" ] then case "$2" in n) ;; *) echo -en "\007" ${DIALOG} --backtitle "$backtitle" \ --msgbox "\ This feature depends on another which has been disabled. \ As a result, this feature will be disabled also." 6 70 ;; esac else echo -ne "\007" fi } # # Create a dialog for entering an integer into an option. # function l_int () { while true do if $DIALOG --title "$1" \ --backtitle "$backtitle" \ --inputbox "$inputbox_instructions_int" \ 10 75 "$4" 2>MCdialog.out then answer="`cat MCdialog.out`" answer="${answer:-$3}" if expr $answer : '0$\|[1-9][0-9]*$' >/dev/null then eval $2="$answer" else eval $2="$3" echo -en "\007" ${DIALOG} --backtitle "$backtitle" \ --msgbox "You have made an invalid entry." 5 43 fi break fi help "$2" "$1" done } # # Create a dialog for entering a hexadecimal into an option. # function l_hex () { while true do if $DIALOG --title "$1" \ --backtitle "$backtitle" \ --inputbox "$inputbox_instructions_hex" \ 10 75 "$4" 2>MCdialog.out then answer="`cat MCdialog.out`" answer="${answer:-$3}" answer="${answer##*[x,X]}" if expr $answer : '[0-9a-fA-F]\+$' >/dev/null then eval $2="$answer" else eval $2="$3" echo -en "\007" ${DIALOG} --backtitle "$backtitle" \ --msgbox "You have made an invalid entry." 3 43 fi break fi help "$2" "$1" done } # # Create a dialog for entering a string into an option. # function l_string () { while true do if $DIALOG --title "$1" \ --backtitle "$backtitle" \ --inputbox "$inputbox_instructions_string" \ 10 75 "$4" 2>MCdialog.out then answer="`cat MCdialog.out`" answer="${answer:-$3}" if [ "$answer" != "" ] then eval $2='${answer}' fi break fi help "$2" "$1" done } # # Handle a on-of-many choice list. # function l_choice () { # # Need to remember params cause they're gonna get reset. # title="$1" choices="$2" current="$3" # # Scan current value of choices and set radiolist switches. # list= set -- $choices firstchoice=$2 while [ -n "$2" ] do case "$1" in "$current") list="$list $2 $1 ON " ;; *) list="$list $2 $1 OFF " ;; esac shift ; shift done while true do if $DIALOG --title "$title" \ --backtitle "$backtitle" \ --radiolist "$radiolist_instructions" \ 15 70 6 $list 2>MCdialog.out then choice=`cat MCdialog.out` break fi help "$firstchoice" "$title" done # # Now set the boolean value of each option base on # the selection made from the radiolist. # set -- $choices while [ -n "$2" ] do if [ "$2" = "$choice" ] then eval $2="y" else eval $2="n" fi shift ; shift done } # # A faster awk based recursive parser. (I hope) # function parser1 () { awk ' BEGIN { menu_no = 0 comment_is_option = 0 parser("'$CONFIG_IN'","MCmenu0") } function parser(ifile,menu) { while (getline >menu printf( "function MCmenu%s () {\n"\ "default=$1\n"\ "menu_name %s\n",\ menu_no, $0) >"MCmenu"menu_no parser(ifile, "MCmenu"menu_no) } else if ($1 ~ "endmenu") { printf("}\n") >>menu return } else if ($0 ~ /^#|\$MAKE|mainmenu_name/) { printf("") >>menu } else if ($1 == "source") { parser($2,menu) } else { print >>menu } } }' } # # Secondary parser for single menu mode. # function parser2 () { awk ' BEGIN { parser("'$CONFIG_IN'","MCmenu0") } function parser(ifile,menu) { while (getline >menu } else if ($0 ~ /^#|$MAKE|mainmenu_name/) { printf("") >>menu } else if ($1 == "source") { parser($2,menu) } else { print >>menu } } }' } # # Parse all the config.in files into mini scripts. # function parse_config_files () { rm -f MCmenu* echo "function MCmenu0 () {" >MCmenu0 echo 'default=$1' >>MCmenu0 echo "menu_name 'Main Menu'" >>MCmenu0 if [ "_$single_menu_mode" = "_TRUE" ] then parser2 else parser1 fi echo "comment ''" >>MCmenu0 echo "g_alt_config" >>MCmenu0 echo "s_alt_config" >>MCmenu0 echo "}" >>MCmenu0 # # These mini scripts must be sourced into the current # environment in order for all of this to work. Leaving # them on the disk as executables screws up the recursion # in activate_menu(), among other things. Once they are # sourced we can discard them. # for i in MCmenu* do source ./$i done rm -f MCmenu* } # # This is the menu tree's bootstrap. # # Executes the parsed menus on demand and creates a set of functions, # one per configuration option. These functions will in turn execute # dialog commands or recursively call other menus. # function activate_menu () { while true do comment_ctr=0 #So comment lines get unique tags $1 "$default" #Create the lxdialog menu & functions if [ "$?" != "0" ] then clear cat <. You may also send a problem report to isdn4linux@hub-wue.franken.de or post a message to the de.alt.comm.isdn4linux news group. Please indicate the isdn4k-utils version you are trying to configure and which menu you were trying to enter when this error occurred. EOM cleanup exit 1 fi . ./MCradiolists #Source the menu's functions . ./MCmenu 2>MCdialog.out #Activate the lxdialog menu ret=$? read selection "*|*"alt_config"*) show_readme ;; *) eval help '$selection' ;; esac ;; 255|1) break ;; 139) stty sane clear cat < or post a message on the de.alt.comm.isdn4linux news group for additional assistance. EOM cleanup exit 139 ;; esac done } # # Create a menu item to load an alternate configuration file. # g_alt_config () { echo -n "get_alt_config 'Load an Alternate Configuration File' "\ >>MCmenu } # # Get alternate config file name and load the # configuration from it. # get_alt_config () { set -f ## Switch file expansion OFF while true do ALT_CONFIG="${ALT_CONFIG:-$DEFAULTS}" $DIALOG --backtitle "$backtitle" \ --inputbox "\ Enter the name of the configuration file you wish to load. \ Accept the name shown to restore the configuration you \ last retrieved. Leave blank to abort."\ 11 55 "$ALT_CONFIG" 2>MCdialog.out if [ "$?" = "0" ] then ALT_CONFIG=`cat MCdialog.out` [ "_" = "_$ALT_CONFIG" ] && break if eval [ -r "$ALT_CONFIG" ] then eval load_config_file "$ALT_CONFIG" break else echo -ne "\007" $DIALOG --backtitle "$backtitle" \ --msgbox "File does not exist!" 3 38 fi else cat <help.out For various reasons, one may wish to keep several different configurations available on a single machine. If you have saved a previous configuration in a file other than the default, entering the name of the file here will allow you to modify that configuration. If you are uncertain, then you have probably never used alternate configuration files. You should therefor leave this blank to abort. EOM $DIALOG --backtitle "$backtitle"\ --title "Load Alternate Configuration"\ --textbox help.out $ROWS $COLS fi done set +f ## Switch file expansion ON rm -f help.out MCdialog.out } # # Create a menu item to store an alternate config file. # s_alt_config () { echo -n "save_alt_config 'Save Configuration to an Alternate File' "\ >>MCmenu } # # Get an alternate config file name and save the current # configuration to it. # save_alt_config () { set -f ## Switch file expansion OFF while true do $DIALOG --backtitle "$backtitle" \ --inputbox "\ Enter a filename to which this configuration should be saved \ as an alternate. Leave blank to abort."\ 10 55 "$ALT_CONFIG" 2>MCdialog.out if [ "$?" = "0" ] then ALT_CONFIG=`cat MCdialog.out` [ "_" = "_$ALT_CONFIG" ] && break if eval touch $ALT_CONFIG 2>/dev/null then eval save_configuration $ALT_CONFIG load_functions ## RELOAD break else echo -ne "\007" $DIALOG --backtitle "$backtitle" \ --msgbox "Can't create file! Probably a nonexistent directory." 3 60 fi else cat <help.out For various reasons, one may wish to keep different configurations available on a single machine. Entering a file name here will allow you to later retrieve, modify and use the current configuration as an alternate to whatever configuration options you have selected at that time. If you are uncertain what all this means then you should probably leave this blank. EOM $DIALOG --backtitle "$backtitle"\ --title "Save Alternate Configuration"\ --textbox help.out $ROWS $COLS fi done set +f ## Switch file expansion ON rm -f help.out MCdialog.out } # # Load config options from a file. # Converts all "# OPTION is not set" lines to "OPTION=n" lines # function load_config_file () { awk ' /# .* is not set.*/ { printf("%s=n\n", $2) } ! /# .* is not set.*/ { print } ' $1 >.tmpconfig source ./.tmpconfig rm -f .tmpconfig } # # Just what it says. # save_configuration () { ${DIALOG} --backtitle "$backtitle" \ --infobox "Saving your configuration..." 3 40 # # Now, let's redefine the configuration functions for final # output to the config files. # # Nested function definitions, YIPEE! # function bool () { eval define_bool "$2" "\${$2:-n}" } function dep_bool () { eval x=\${$2:-n} if eval [ "_$3" = "_n" ] then if [ "$x" = "y" ] then x="n" fi fi eval define_bool "$2" "$x" } function int () { eval x=\${$2:-"$3"} echo "$2=$x" >>$CONFIG echo "#define $2 ($x)" >>$CONFIG_H } function string () { eval x=\${"$2":-"$3"} echo "$2='$x'" >>$CONFIG echo "#define $2 \"$x\"" >>$CONFIG_H } function hex () { eval x=\${$2:-"$3"} echo "$2=$x" >>$CONFIG echo "#define $2 0x${x##*[x,X]}" >>$CONFIG_H } function define_bool () { eval $1="$2" case "$2" in y) echo "$1=y" >>$CONFIG echo "#define $1 1" >>$CONFIG_H ;; n) echo "# $1 is not set" >>$CONFIG echo "#undef $1" >>$CONFIG_H ;; esac } function choice () { # # Find the first choice that's already set to 'y' # choices="$2" default="$3" current= set -- $choices while [ -n "$2" ] do if eval [ "_\$$2" = "_y" ] then current=$1 break fi shift ; shift done # # Use the default if none were set. # : ${current:=$default} # # Then extract the actual option from the list of choices. # current=${choices#*$current} ; set $current define_bool "$1" "y" } function mainmenu_name () { : } function mainmenu_option () { comment_is_option=TRUE } function endmenu () { : } function comment () { if [ "$comment_is_option" ] then comment_is_option= echo >>$CONFIG echo "#" >>$CONFIG echo "# $1" >>$CONFIG echo "#" >>$CONFIG echo >>$CONFIG_H echo "/*" >>$CONFIG_H echo " * $1" >>$CONFIG_H echo " */" >>$CONFIG_H fi } DEF_CONFIG="${1:-.config}" DEF_CONFIG_H="scripts/autoconf.h" CONFIG=.tmpconfig CONFIG_H=.tmpconfig.h echo "#" >$CONFIG echo "# Automatically generated by make menuconfig: don't edit" >>$CONFIG echo "#" >>$CONFIG echo "/*" >$CONFIG_H echo " * Automatically generated by make menuconfig: don't edit" >>$CONFIG_H echo " */" >>$CONFIG_H echo "#define AUTOCONF_INCLUDED" >> $CONFIG_H if . $CONFIG_IN >>.menuconfig.log 2>&1 then if [ "$DEF_CONFIG" = ".config" ] then mv $CONFIG_H $DEF_CONFIG_H fi if [ -f "$DEF_CONFIG" ] then rm -f ${DEF_CONFIG}.old mv $DEF_CONFIG ${DEF_CONFIG}.old fi mv $CONFIG $DEF_CONFIG return 0 else return 1 fi } # # Remove temporary files # cleanup () { cleanup1 cleanup2 } cleanup1 () { rm -f MCmenu* MCradiolists MCdialog.out help.out } cleanup2 () { rm -f .tmpconfig .tmpconfig.h } set_geometry () { # Some distributions export these with incorrect values # which can really screw up some ncurses programs. LINES= COLUMNS= ROWS=${1:-24} COLS=${2:-80} # Just in case the nasty rlogin bug returns. # [ $ROWS = 0 ] && ROWS=24 [ $COLS = 0 ] && COLS=80 if [ $ROWS -lt 19 -o $COLS -lt 80 ] then echo -e "\n\007Your display is too small to run Menuconfig!" echo "It must be at least 19 lines by 80 columns." exit 0 fi ROWS=$((ROWS-4)) COLS=$((COLS-5)) } set_geometry `stty size 2>/dev/null` menu_instructions="\ Arrow keys navigate the menu. \ selects submenus --->. \ Highlighted letters are hotkeys. \ Pressing enables, disables features. \ Press to exit, for Help. \ Legend: [*] enabled [ ] disabled" radiolist_instructions="\ Use the arrow keys to navigate this window or \ press the hotkey of the item you wish to select \ followed by the . Press for additional information about this option." inputbox_instructions_int="\ Please enter a decimal value between 1 and 99999. \ Fractions will not be accepted. \ Use the key to move from the input field to the buttons below it." inputbox_instructions_hex="\ Please enter a hexadecimal value. \ Use the key to move from the input field to the buttons below it." inputbox_instructions_string="\ Please enter a string value. Leave blank to abort. \ Use the key to move from the input field to the buttons below it." DIALOG="scripts/lxdialog/lxdialog" backtitle="isdn4k-utils Version $I4LVERSION Configuration" trap "cleanup ; rm -f .menuconfig ; exit 1" 1 2 15 # # Locate default files. # CONFIG_IN=./config.in if [ "$1" != "" ] ; then CONFIG_IN=$1 fi DEFAULTS=scripts/defconfig if [ -f .config ]; then DEFAULTS=.config fi if [ -f $DEFAULTS ] then echo "#" echo "# Using defaults found in" $DEFAULTS echo "#" load_config_file $DEFAULTS else echo "#" echo "# No defaults found" echo "#" fi # Fresh new log. >.menuconfig.log $DIALOG --backtitle "$backtitle" \ --infobox "Preparing configuration scripts..." 3 40 # Load the functions used by the config.in files. load_functions # # Read config.in files and parse them into one shell function per menu. # parse_config_files $CONFIG_IN # # Start the ball rolling from the top. # activate_menu MCmenu0 # # All done! # cleanup1 # # Confirm and Save # if $DIALOG --backtitle "$backtitle" \ --yesno "Do you wish to save your new configuration?" 5 60 then save_configuration rm -f .menuconfig.log clear cat <