slitaz-base-files annotate rootfs/lib/libtaz.sh @ rev 167

Add colorize() to libtaz.sh
author Christophe Lincoln <pankso@slitaz.org>
date Tue May 15 15:48:14 2012 +0200 (2012-05-15)
parents 581ddfa0d620
children 3a6613021c40
rev   line source
pankso@125 1 #!/bin/sh
pankso@125 2 #
pankso@125 3 # SliTaz Base functions used from boot scripts to end user tools. Use
pankso@125 4 # gettext and not echo for messages. Keep output suitable for GTK boxes
pankso@125 5 # and Ncurses dialog. LibTaz should not depend on any configuration file.
paul@166 6 # No bloated code here, functions must be used by at least 3-4 tools.
pankso@139 7 #
pankso@139 8 # Documentation: man libtaz or /usr/share/doc/slitaz/libtaz.txt
pankso@125 9 #
pankso@125 10 # Copyright (C) 2012 SliTaz GNU/Linux - BSD License
pankso@125 11 #
pankso@125 12
pankso@125 13 # Internationalization.
pankso@125 14 . /usr/bin/gettext.sh
pankso@125 15 TEXTDOMAIN='slitaz-base'
pankso@125 16 export TEXTDOMAIN
pankso@125 17
pankso@125 18 # Internal variables.
pankso@125 19 okmsg="$(gettext "Done")"
pankso@125 20 ermsg="$(gettext "Failed")"
pankso@125 21 okcolor=32
pankso@125 22 ercolor=31
pankso@125 23
pankso@137 24 # Parse cmdline options and store values in a variable.
pankso@125 25 for opt in "$@"
pankso@125 26 do
pankso@125 27 case "$opt" in
pankso@137 28 --*=*) export ${opt#--} ;;
pankso@137 29 --*) export ${opt#--}="yes" ;;
pankso@125 30 esac
pankso@125 31 done
pankso@131 32 [ "$HTTP_REFERER" ] && output="html"
pankso@125 33
pankso@125 34 # Return command status. Default to colored console output.
pankso@125 35 status() {
pankso@125 36 local check=$?
pankso@131 37 case $output in
pankso@161 38 raw|gtk)
pankso@161 39 done=" $okmsg"
pankso@131 40 error=" $ermsg" ;;
pankso@131 41 html)
pankso@167 42 done=" <span style='color: $okcolor;'>$okmsg</span>"
pankso@167 43 error=" <span style='color: $ercolor;'>$ermsg</span>" ;;
pankso@136 44 *)
pankso@141 45 cols=$(stty -a -F /dev/tty | head -n 1 | cut -d ";" -f 3 | awk '{print $2}')
pankso@131 46 local scol=$(($cols - 10))
pankso@131 47 done="\\033[${scol}G[ \\033[1;${okcolor}m${okmsg}\\033[0;39m ]"
pankso@131 48 error="\\033[${scol}G[ \\033[1;${ercolor}m${ermsg}\\033[0;39m ]" ;;
pankso@131 49 esac
pankso@125 50 if [ $check = 0 ]; then
pankso@125 51 echo -e "$done"
pankso@125 52 else
pankso@125 53 echo -e "$error"
pankso@125 54 fi
pankso@125 55 }
pankso@125 56
pankso@125 57 # Line separator.
pankso@125 58 separator() {
pankso@132 59 local sepchar="="
pankso@132 60 [ "$HTTP_REFERER" ] && local sepchar="<hr />"
pankso@132 61 case $output in
pankso@132 62 raw|gtk) local sepchar="-" && local cols="8" ;;
pankso@132 63 html) local sepchar="<hr />" ;;
pankso@141 64 *) local cols=$(stty -a -F /dev/tty | head -n 1 | cut -d ";" -f 3 | awk '{print $2}') ;;
pankso@132 65 esac
pankso@125 66 for c in $(seq 1 $cols); do
pankso@131 67 echo -n "$sepchar"
pankso@125 68 done && echo ""
pankso@125 69 }
pankso@125 70
pankso@164 71 # New line for echo -n or gettext.
pankso@164 72 newline() {
pankso@164 73 echo ""
pankso@164 74 }
pankso@164 75
pankso@125 76 # Display a bold message. GTK Yad: Works only in --text=""
pankso@125 77 boldify() {
pankso@125 78 case $output in
meshca@149 79 raw) echo "$@" ;;
meshca@149 80 gtk) echo "<b>$@</b>" ;;
meshca@149 81 html) echo "<strong>$@</strong>" ;;
meshca@149 82 *) echo -e "\\033[1m$@\\033[0m" ;;
pankso@125 83 esac
pankso@125 84 }
pankso@125 85
pankso@167 86 # Usage: colorize "Message" colorNB or use --color=NB option
pankso@167 87 # when running a tool. Default to white/38 and no html or gtk.
pankso@167 88 colorize() {
pankso@167 89 : ${color=$2}
pankso@167 90 case $output in
pankso@167 91 raw|gtk|html) echo "$1" ;;
pankso@167 92 *)
pankso@167 93 : ${color=38}
pankso@167 94 echo -e "\\033[1;${color}m${1}\\033[0;39m" ;;
pankso@167 95 esac
pankso@167 96 unset color
pankso@167 97 }
pankso@167 98
meshca@158 99 # Indent text $1 spaces
pankso@161 100 indent() {
meshca@158 101 local in="$1"
meshca@158 102 shift
pankso@161 103 echo -e "\033["$in"G $@";
meshca@158 104 }
meshca@158 105
pankso@125 106 # Check if user is logged as root.
pankso@125 107 check_root() {
pankso@125 108 if [ $(id -u) != 0 ]; then
pankso@125 109 gettext "You must be root to execute:" && echo " $(basename $0) $@"
pankso@125 110 exit 1
pankso@125 111 fi
pankso@125 112 }
meshca@158 113
pankso@161 114 # Gettextize yes/no.
meshca@158 115 translate_query() {
meshca@158 116 case $1 in
meshca@158 117 y) gettext "y" ;;
meshca@158 118 Y) gettext "Y" ;;
meshca@158 119 n) gettext "n" ;;
meshca@158 120 N) gettext "N" ;;
meshca@158 121 # Support other cases but keep them untranslated.
meshca@158 122 *) echo "$1" ;;
meshca@158 123 esac
meshca@158 124 }
meshca@160 125
pankso@161 126 # Usage: echo -n "The question" && confirm
pankso@161 127 confirm() {
pankso@161 128 [ "$yes" ] && true
pankso@161 129 echo -n " ($(translate_query y)/$(translate_query N)) ? "
pankso@161 130 read answer
pankso@161 131 [ "$answer" == "$(translate_query y)" ]
meshca@160 132 }
pankso@161 133
pankso@164 134 # Log activities. $activity should be set by the script. The log format
pankso@164 135 # is suitable for web interfaces like cook. Usage: log "String"
pankso@162 136 log() {
pankso@163 137 [ "$activity" ] || activity=/var/log/slitaz/libtaz.log
pankso@164 138 echo "$(date '+%Y-%m-%d %H:%M') : $@" >> $activity
pankso@162 139 }