bash: set_color helper (bash 3+4)

This commit is contained in:
Loic Nageleisen 2014-12-04 16:08:08 +01:00
parent e22a871ede
commit 5c386aa52d
5 changed files with 241 additions and 116 deletions

25
bash/ansi Normal file
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if [[ $BASH_VERSINFO -gt 3 ]]; then
source "$DOTFILES_BASH_DIR"/ansi4
else
source "$DOTFILES_BASH_DIR"/ansi3
fi
setup_ansi_sgr_index
# set_color [-p] color
# -p: wraps output for bash prompt size match
set_color() {
if [[ $1 == "-p" ]]; then
local prompt=1
shift
fi
local code=$1
[[ $prompt -eq 1 ]] && echo -n "\["
echo -n "\033["
ansi_sgr "$code"
echo -n "m"
[[ $prompt -eq 1 ]] && echo -n "\]"
}
# vim: ft=sh

123
bash/ansi3 Normal file
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# hack a dictionary with case and return codes
ansi_sgr_index() {
case "$1" in
none) return 00;;
bold) return 01;;
faint) return 02;;
standout) return 03;;
underline) return 04;;
blink) return 05;;
fast-blink) return 06;;
reverse) return 07;;
conceal) return 08;;
strikethrough) return 09;;
font-default) return 10;;
font-first) return 11;;
font-second) return 12;;
font-third) return 13;;
font-fourth) return 14;;
font-fifth) return 15;;
font-sixth) return 16;;
font-seventh) return 17;;
font-eighth) return 18;;
font-ninth) return 19;;
gothic) return 20;;
double-underline) return 21;;
normal) return 22;;
no-standout) return 23;;
no-underline) return 24;;
no-blink) return 25;;
proportional) return 26;;
no-reverse) return 27;;
no-conceal) return 28;;
no-strikethrough) return 29;;
black) return 30;;
red) return 31;;
green) return 32;;
yellow) return 33;;
blue) return 34;;
magenta) return 35;;
cyan) return 36;;
white) return 37;;
iso-8316-6) return 38;;
default) return 39;;
fg-black) return 30;;
fg-red) return 31;;
fg-green) return 32;;
fg-yellow) return 33;;
fg-blue) return 34;;
fg-magenta) return 35;;
fg-cyan) return 36;;
fg-white) return 37;;
fg-iso-8316-6) return 38;;
fg-default) return 39;;
bg-black) return 40;;
bg-red) return 41;;
bg-green) return 42;;
bg-yellow) return 43;;
bg-blue) return 44;;
bg-magenta) return 45;;
bg-cyan) return 46;;
bg-white) return 47;;
bg-iso-8316-6) return 48;;
bg-default) return 49;;
no-proportional) return 50;;
border-rectangle) return 51;;
border-circle) return 52;;
overline) return 53;;
no-border) return 54;;
no-overline) return 55;;
#through 59 reserved) return 56;;
underline-or-right) return 60;;
double-underline-or-right) return 61;;
overline-or-left) return 62;;
double-overline-or-left) return 63;;
stress) return 64;;
no-ideogram-marking) return 65;;
esac
return 255
}
# create caching key-value vars dynamically
setup_ansi_sgr_index() {
local keys="
none bold faint standout underline blink fast-blink reverse conceal strikethrough
font-default font-first font-second font-third font-fourth font-fifth font-sixth font-seventh font-eighth font-ninth
gothic double-underline normal no-standout no-underline no-blink proportional no-reverse no-conceal no-strikethrough
black red green yellow blue magenta cyan white iso-8316-6 default
fg-black fg-red fg-green fg-yellow fg-blue fg-magenta fg-cyan fg-white fg-iso-8316-6 fg-default
bg-black bg-red bg-green bg-yellow bg-blue bg-magenta bg-cyan bg-white bg-iso-8316-6 bg-default
no-proportional border-rectangle border-circle overline no-border no-overline
underline-or-right double-underline-or-right overline-or-left double-overline-or-left stress no-ideogram-marking"
for key in $keys; do
cache_ansi_sgr "$key"
done
}
# resolve to cache var
cache_ansi_sgr() {
local key=$1; key=${key//-/_}
eval "ansi_sgr_index ${key}"
local code=$?
[[ $code -ne 255 ]] && eval "ANSI_SGR_INDEX__${key}__=\$code"
}
# memoized fetch
ansi_sgr() {
local key=$1; key=${key//-/_}
eval "[[ -z \$ANSI_SGR_INDEX__${key}__ ]]" && cache_ansi_sgr "$key"
eval "echo -n \$ANSI_SGR_INDEX__${key}__"
}
# vim: ft=sh

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bash/ansi4 Normal file
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declare -A ANSI_SGR_INDEX
# build index
setup_ansi_sgr_index() {
ANSI_SGR_INDEX["none"]=00
ANSI_SGR_INDEX["bold"]=01
ANSI_SGR_INDEX["faint"]=02
ANSI_SGR_INDEX["standout"]=03
ANSI_SGR_INDEX["underline"]=04
ANSI_SGR_INDEX["blink"]=05
ANSI_SGR_INDEX["fast-blink"]=06
ANSI_SGR_INDEX["reverse"]=07
ANSI_SGR_INDEX["conceal"]=08
ANSI_SGR_INDEX["strikethrough"]=09
ANSI_SGR_INDEX["font-default"]=10
ANSI_SGR_INDEX["font-first"]=11
ANSI_SGR_INDEX["font-second"]=12
ANSI_SGR_INDEX["font-third"]=13
ANSI_SGR_INDEX["font-fourth"]=14
ANSI_SGR_INDEX["font-fifth"]=15
ANSI_SGR_INDEX["font-sixth"]=16
ANSI_SGR_INDEX["font-seventh"]=17
ANSI_SGR_INDEX["font-eighth"]=18
ANSI_SGR_INDEX["font-ninth"]=19
ANSI_SGR_INDEX["gothic"]=20
ANSI_SGR_INDEX["double-underline"]=21
ANSI_SGR_INDEX["normal"]=22
ANSI_SGR_INDEX["no-standout"]=23
ANSI_SGR_INDEX["no-underline"]=24
ANSI_SGR_INDEX["no-blink"]=25
ANSI_SGR_INDEX["proportional"]=26
ANSI_SGR_INDEX["no-reverse"]=27
ANSI_SGR_INDEX["no-conceal"]=28
ANSI_SGR_INDEX["no-strikethrough"]=29
ANSI_SGR_INDEX["black"]=30
ANSI_SGR_INDEX["red"]=31
ANSI_SGR_INDEX["green"]=32
ANSI_SGR_INDEX["yellow"]=33
ANSI_SGR_INDEX["blue"]=34
ANSI_SGR_INDEX["magenta"]=35
ANSI_SGR_INDEX["cyan"]=36
ANSI_SGR_INDEX["white"]=37
ANSI_SGR_INDEX["iso-8316-6"]=38
ANSI_SGR_INDEX["default"]=39
ANSI_SGR_INDEX["fg-black"]=30
ANSI_SGR_INDEX["fg-red"]=31
ANSI_SGR_INDEX["fg-green"]=32
ANSI_SGR_INDEX["fg-yellow"]=33
ANSI_SGR_INDEX["fg-blue"]=34
ANSI_SGR_INDEX["fg-magenta"]=35
ANSI_SGR_INDEX["fg-cyan"]=36
ANSI_SGR_INDEX["fg-white"]=37
ANSI_SGR_INDEX["fg-iso-8316-6"]=38
ANSI_SGR_INDEX["fg-default"]=39
ANSI_SGR_INDEX["bg-black"]=40
ANSI_SGR_INDEX["bg-red"]=41
ANSI_SGR_INDEX["bg-green"]=42
ANSI_SGR_INDEX["bg-yellow"]=43
ANSI_SGR_INDEX["bg-blue"]=44
ANSI_SGR_INDEX["bg-magenta"]=45
ANSI_SGR_INDEX["bg-cyan"]=46
ANSI_SGR_INDEX["bg-white"]=47
ANSI_SGR_INDEX["bg-iso-8316-6"]=48
ANSI_SGR_INDEX["bg-default"]=49
ANSI_SGR_INDEX["no-proportional"]=50
ANSI_SGR_INDEX["border-rectangle"]=51
ANSI_SGR_INDEX["border-circle"]=52
ANSI_SGR_INDEX["overline"]=53
ANSI_SGR_INDEX["no-border"]=54
ANSI_SGR_INDEX["no-overline"]=55
#ANSI_SGR_INDEX["through 59 reserved"]=56
ANSI_SGR_INDEX["underline-or-right"]=60
ANSI_SGR_INDEX["double-underline-or-right"]=61
ANSI_SGR_INDEX["overline-or-left"]=62
ANSI_SGR_INDEX["double-overline-or-left"]=63
ANSI_SGR_INDEX["stress"]=64
ANSI_SGR_INDEX["no-ideogram-marking"]=65
}
# fetch
ansi_sgr() {
echo -n ${ANSI_SGR_INDEX[$1]}
}
# vim: ft=sh

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@ -1,115 +0,0 @@
ansi_sgr_index() {
case "$1" in
none) return 00;;
bold) return 01;;
faint) return 02;;
standout) return 03;;
underline) return 04;;
blink) return 05;;
#fast-blink) return 06;;
reverse) return 07;;
conceal) return 08;;
#strikethrough) return 09;;
#font-default) return 10;;
#font-first) return 11;;
#font-second) return 12;;
#font-third) return 13;;
#font-fourth) return 14;;
#font-fifth) return 15;;
#font-sixth) return 16;;
#font-seventh) return 17;;
#font-eighth) return 18;;
#font-ninth) return 19;;
#gothic) return 20;;
#double-underline) return 21;;
normal) return 22;;
no-standout) return 23;;
no-underline) return 24;;
no-blink) return 25;;
#proportional) return 26;;
no-reverse) return 27;;
no-conceal) return 28;;
#no-strikethrough) return 29;;
black) return 30;;
red) return 31;;
green) return 32;;
yellow) return 33;;
blue) return 34;;
magenta) return 35;;
cyan) return 36;;
white) return 37;;
#iso-8316-6) return 38;;
default) return 39;;
fg-black) return 30;;
fg-red) return 31;;
fg-green) return 32;;
fg-yellow) return 33;;
fg-blue) return 34;;
fg-magenta) return 35;;
fg-cyan) return 36;;
fg-white) return 37;;
#fg-iso-8316-6) return 38;;
fg-default) return 39;;
bg-black) return 40;;
bg-red) return 41;;
bg-green) return 42;;
bg-yellow) return 43;;
bg-blue) return 44;;
bg-magenta) return 45;;
bg-cyan) return 46;;
bg-white) return 47;;
#bg-iso-8316-6) return 48;;
bg-default) return 49;;
#no-proportional) return 50;;
#border-rectangle) return 51;;
#border-circle) return 52;;
#overline) return 53;;
#no-border) return 54;;
#no-overline) return 55;;
#through 59 reserved) return 56;;
#underline-or-right) return 60;;
#double-underline-or-right) return 61;;
#overline-or-left) return 62;;
#double-overline-or-left) return 63;;
#stress) return 64;;
#no-ideogram-marking) return 65;;
*) return 255;;
esac
}
ansi_csi_l="\033["
ansi_csi_sgr_r="m"
color=();
fg=();
fg_bold=();
fg_no_bold=();
bg=();
bg_bold=();
bg_no_bold=();
for v in {30..39}; do
fg[$v]="${ansi_csi_l}${v}${ansi_csi_sgr_r}"
ansi_sgr_index 'bold'
fg_bold[$v]="${ansi_csi_l}${?};${v}${ansi_csi_sgr_r}"
ansi_sgr_index 'normal'
fg_no_bold[$v]="${ansi_csi_l}${?};${v}${ansi_csi_sgr_r}"
done
for v in {40..49}; do
bg[$v]="${ansi_csi_l}${v}${ansi_csi_sgr_r}"
ansi_sgr_index 'bold'
bg_bold[$v]="${ansi_csi_l}${?};${v}${ansi_csi_sgr_r}"
ansi_sgr_index 'normal'
bg_no_bold[$v]="${ansi_csi_l}${?};${v}${ansi_csi_sgr_r}"
done
# vim: ft=sh

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@ -4,7 +4,7 @@
source $DOTFILES_SHELL_DIR/aliases source $DOTFILES_SHELL_DIR/aliases
source $DOTFILES_BASH_DIR/ext source $DOTFILES_BASH_DIR/ext
source $DOTFILES_BASH_DIR/colors source $DOTFILES_BASH_DIR/ansi
source $DOTFILES_BASH_DIR/prompt source $DOTFILES_BASH_DIR/prompt
source $DOTFILES_BASH_DIR/history source $DOTFILES_BASH_DIR/history
source $DOTFILES_BASH_DIR/term_title source $DOTFILES_BASH_DIR/term_title