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#!/usr/bin/env zsh
# patterns for option matching
boolpat='^(true|yes|on|1|false|no|off|0)$'
booltpat='^(true|yes|on|1)$'
boolfpat='^(false|no|off|0)$'
intpat='^[-+]?[0-9]+$'
unsignedpat='^[0-9]+$'
posunsignedpat='^[1-9][0-9]*$'
floatpat='^[-+]?[0-9]+(\.[0-9]*|e(0|[-+]?[1-9][0-9]*)|\.[0-9]*e(0|[-+]?[1-9][0-9]*$'
termcolourpat='^(black|light_black|red|light_red|green|light_green|yellow|light_yellow|blue|light_blue|magenta|light_magenta|cyan|light_cyan|white|light_white)$'
# $1 - colour
termcolourpat2escape() {
[[ $#@ -eq 1 ]] || {echo 'badcolour'; return 1}
[[ $1 =~ $termcolourpat ]] || {echo 'badcolour'; return 1}
case $1 in
'black') printf '\e[30m' ;;
'light_black') printf '\e[1;30m' ;;
'red') printf '\e[31m' ;;
'light_red') printf '\e[1;31m' ;;
'green') printf '\e[32m' ;;
'light_green') printf '\e[1;32m' ;;
'yellow') printf '\e[33m' ;;
'light_yellow') printf '\e[1;33m' ;;
'blue') printf '\e[34m' ;;
'light_blue') printf '\e[1;34m' ;;
'magenta') printf '\e[35m' ;;
'light_magenta') printf '\e[1;35m' ;;
'cyan') printf '\e[36m' ;;
'light_cyan') printf '\e[1;36m' ;;
'white') printf '\e[37m' ;;
'light_white') printf '\e[1;37m' ;;
esac
}
# $1 - message
print-error() {
1>&2 echo "\e[1;31merror:\e[0m $1"
}
# $1 - message
abort() {
print-error $1
exit 1
}
# $1 - seconds
sec2time() {
zmodload zsh/datetime || return 1
if [[ $1 -lt 0 ]]; then
printf "??:??:??"
return 0
fi
if [[ $1 -lt 86400 ]]; then
TZ=UTC strftime '%H:%M:%S' $1
return 0
fi
if [[ $1 -ge 8640000 ]]; then
printf "forever?"
return 0
fi
printf "~%02d days" "$(($1 / 86400))"
}
# $1 - count
# $2 - message (opt)
# $3 - colour (opt)
progress-bar() {
zmodload zsh/mathfunc zsh/datetime || return 1
[[ $#@ -ne 0 ]] && [[ $#@ -lt 4 ]] || return 1
local count
[[ $1 =~ $posunsignedpat ]] && count=$1 || return 1
[[ ! -z $3 ]] && {
[[ $3 =~ $termcolourpat ]] || return 1
}
local message
local colour
[[ -z $2 ]] && message='waiting' || message=$2
[[ -z $3 ]] && colour='yellow' || colour=$3
colour=$(termcolourpat2escape $colour)
local i=0
local starttime=$EPOCHREALTIME
local lasttime=$starttime
local thistime=$starttime
local now=$starttime
local elapsed=0
while true; do
[[ $i -eq $count ]] && break
now=$EPOCHREALTIME
local width=$COLUMNS
local statwidth=$(( ($#count * 2) + 35))
local progwidth=$(($width - $statwidth - 3))
[[ $progwidth -gt 30 || $progwidth -le 1 ]] && progwidth=30
if [[ $i -eq 0 ]]; then
eta='??:??:??'
else
eta=$(sec2time ${$(( ceil( ($count - $i) * ($elapsed / $i) - ($now - $lasttime) ) )):s/\./})
fi
local rt=$(sec2time ${$(( floor( ($now - $starttime) ) )):s/\./} )
local fpart=""
local epart=""
local progress=$(($i * $progwidth / $count))
repeat $progress fpart="$fpart#"
repeat $(($progwidth - $progress)) epart="$epart-"
printf \
"\e[G\e[K$colour%s...\e[0m\n[%${#count}s/$count] [rt: $rt] [eta: $eta] [$fpart$epart]\e[J" \
$message \
$i \
read -t 0.2 \
&& thistime=$EPOCHREALTIME \
&& elapsed=$(($elapsed - $lasttime + $thistime)) \
&& lasttime=$thistime \
&& i=$(($i + 1))
printf "\e[F"
done
[[ $i -eq $count ]] \
&& echo "\e[G\e[32m$message... done in $(sec2time ${$(( floor($elapsed) )):s/\./})\e[0m\e[J" \
|| echo "\e[G\e[31m$message... failed!\e[0m\e[J"
}
# $1 - pid
# $2 - message (opt)
# $3 - colour (opt)
wait-anim() {
[[ $#@ -ne 0 ]] && [[ $#@ -lt 4 ]] || return 1
[[ $1 =~ $posunsignedpat ]] || return 1
[[ ! -z $3 ]] && {
[[ $3 =~ $termcolourpat ]] || return 1
}
local message
local colour
[[ -z $2 ]] && message='waiting' || message=$2
[[ -z $3 ]] && colour='yellow' || colour=$3
colour=$(termcolourpat2escape $colour)
local frames
case $(($RANDOM % 7)) in
0) frames=('▁' '▂' '▃' '▄' '▅' '▆' '▇' '█' '▇' '▆' '▅' '▄' '▃' '▂') ;;
1) frames=(' ' '▖' '▚' '▝' ' ' '▘' '▞' '▗') ;;
2) frames=('╀' '╂' '╁' '┼' '┽' '┿' '┾' '┼' '╁' '╂' '╀' '┼' '┾' '┿' '┽' '┼') ;;
3) frames=('─' '└' '│' '┌' '─' '┐' '│' '┘') ;;
4) frames=('.' '｡' '×' ':' '*' '.' '°' '♪' '×' '♫' '°' '♡') ;;
5) frames=(' ' ' ' '░' '░' '▒' '▒' '▓' '▓' '█' '█' '▓' '▓' '▒' '▒' '░' '░') ;;
6) frames=('O' 'o' '.' 'o') ;;
esac
local curframe
coproc while true; do
[[ -z $curframe ]] && curframe=0
printf "\e[G\e[K|\e[1;32m${frames[$(($curframe + 1))]}\e[0m| $colour$message...\e[0m\n"
curframe=$(( ($curframe + 1) % $#frames ))
read -t 0.2 && break
done
while read -p line; do
printf $line
done &
local printer=$!
local rval
2>/dev/null wait $1 && rval=$? && echo "done" >&p
2>/dev/null wait $printer
[[ $rval -eq 0 ]] && printf "\e[G\e[K\e[32m$message... done!\e[0m\n" \
|| printf "\e[G\e[K\e[31m$message... failed!\e[0m\n"
return $rval
}
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