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378 lines
9.9 KiB
Bash
378 lines
9.9 KiB
Bash
# vim:ft=zsh ts=2 sw=2 sts=2 et fenc=utf-8
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################################################################
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# Color functions
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# This file holds some color-functions for
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# the powerlevel9k-ZSH-theme
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# https://github.com/bhilburn/powerlevel9k
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################################################################
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function termColors() {
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if [[ $POWERLEVEL9K_IGNORE_TERM_COLORS == true ]]; then
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return
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fi
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local term_colors
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if which tput &>/dev/null; then
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term_colors=$(tput colors)
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else
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term_colors=$(echotc Co)
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fi
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if (( ! $? && ${term_colors:-0} < 256 )); then
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print -P "%F{red}WARNING!%f Your terminal appears to support fewer than 256 colors!"
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print -P "If your terminal supports 256 colors, please export the appropriate environment variable"
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print -P "_before_ loading this theme in your \~\/.zshrc. In most terminal emulators, putting"
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print -P "%F{blue}export TERM=\"xterm-256color\"%f at the top of your \~\/.zshrc is sufficient."
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fi
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}
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# get the proper color code if it does not exist as a name.
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function getColor() {
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# no need to check numerical values
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if [[ "$1" = <-> ]]; then
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if [[ "$1" = <8-15> ]]; then
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1=$(($1 - 8))
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fi
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else
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# named color added to parameter expansion print -P to test if the name exists in terminal
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named="%K{$1}"
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# https://misc.flogisoft.com/bash/tip_colors_and_formatting
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default="$'\033'\[49m"
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# http://zsh.sourceforge.net/Doc/Release/Prompt-Expansion.html
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quoted=$(printf "%q" $(print -P "$named"))
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if [[ $quoted = "$'\033'\[49m" && $1 != "black" ]]; then
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# color not found, so try to get the code
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1=$(getColorCode $1)
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fi
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fi
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echo -n "$1"
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}
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# empty paramenter resets (stops) background color
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function backgroundColor() {
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if [[ -z $1 ]]; then
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echo -n "%k"
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else
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echo -n "%K{$(getColor $1)}"
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fi
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}
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# empty paramenter resets (stops) foreground color
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function foregroundColor() {
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if [[ -z $1 ]]; then
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echo -n "%f"
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else
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echo -n "%F{$(getColor $1)}"
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fi
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}
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# Get numerical color codes. That way we translate ANSI codes
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# into ZSH-Style color codes.
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function getColorCode() {
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# Check if given value is already numerical
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if [[ "$1" = <-> ]]; then
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# ANSI color codes distinguish between "foreground"
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# and "background" colors. We don't need to do that,
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# as ZSH uses a 256 color space anyway.
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if [[ "$1" = <8-15> ]]; then
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echo -n $(($1 - 8))
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else
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echo -n "$1"
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fi
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else
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typeset -A codes
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# https://jonasjacek.github.io/colors/
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# use color names by default to allow dark/light themes to adjust colors based on names
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codes[black]=000
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codes[maroon]=001
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codes[green]=002
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codes[olive]=003
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codes[navy]=004
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codes[purple]=005
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codes[teal]=006
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codes[silver]=007
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codes[grey]=008
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codes[red]=009
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codes[lime]=010
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codes[yellow]=011
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codes[blue]=012
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codes[fuchsia]=013
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codes[aqua]=014
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codes[white]=015
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codes[grey0]=016
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codes[navyblue]=017
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codes[darkblue]=018
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codes[blue3]=019
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codes[blue3]=020
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codes[blue1]=021
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codes[darkgreen]=022
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codes[deepskyblue4]=023
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codes[deepskyblue4]=024
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codes[deepskyblue4]=025
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codes[dodgerblue3]=026
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codes[dodgerblue2]=027
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codes[green4]=028
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codes[springgreen4]=029
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codes[turquoise4]=030
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codes[deepskyblue3]=031
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codes[deepskyblue3]=032
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codes[dodgerblue1]=033
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codes[green3]=034
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codes[springgreen3]=035
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codes[darkcyan]=036
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codes[lightseagreen]=037
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codes[deepskyblue2]=038
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codes[deepskyblue1]=039
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codes[green3]=040
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codes[springgreen3]=041
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codes[springgreen2]=042
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codes[cyan3]=043
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codes[darkturquoise]=044
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codes[turquoise2]=045
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codes[green1]=046
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codes[springgreen2]=047
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codes[springgreen1]=048
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codes[mediumspringgreen]=049
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codes[cyan2]=050
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codes[cyan1]=051
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codes[darkred]=052
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codes[deeppink4]=053
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codes[purple4]=054
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codes[purple4]=055
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codes[purple3]=056
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codes[blueviolet]=057
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codes[orange4]=058
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codes[grey37]=059
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codes[mediumpurple4]=060
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codes[slateblue3]=061
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codes[slateblue3]=062
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codes[royalblue1]=063
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codes[chartreuse4]=064
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codes[darkseagreen4]=065
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codes[paleturquoise4]=066
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codes[steelblue]=067
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codes[steelblue3]=068
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codes[cornflowerblue]=069
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codes[chartreuse3]=070
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codes[darkseagreen4]=071
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codes[cadetblue]=072
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codes[cadetblue]=073
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codes[skyblue3]=074
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codes[steelblue1]=075
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codes[chartreuse3]=076
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codes[palegreen3]=077
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codes[seagreen3]=078
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codes[aquamarine3]=079
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codes[mediumturquoise]=080
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codes[steelblue1]=081
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codes[chartreuse2]=082
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codes[seagreen2]=083
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codes[seagreen1]=084
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codes[seagreen1]=085
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codes[aquamarine1]=086
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codes[darkslategray2]=087
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codes[darkred]=088
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codes[deeppink4]=089
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codes[darkmagenta]=090
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codes[darkmagenta]=091
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codes[darkviolet]=092
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codes[purple]=093
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codes[orange4]=094
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codes[lightpink4]=095
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codes[plum4]=096
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codes[mediumpurple3]=097
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codes[mediumpurple3]=098
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codes[slateblue1]=099
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codes[yellow4]=100
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codes[wheat4]=101
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codes[grey53]=102
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codes[lightslategrey]=103
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codes[mediumpurple]=104
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codes[lightslateblue]=105
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codes[yellow4]=106
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codes[darkolivegreen3]=107
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codes[darkseagreen]=108
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codes[lightskyblue3]=109
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codes[lightskyblue3]=110
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codes[skyblue2]=111
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codes[chartreuse2]=112
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codes[darkolivegreen3]=113
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codes[palegreen3]=114
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codes[darkseagreen3]=115
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codes[darkslategray3]=116
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codes[skyblue1]=117
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codes[chartreuse1]=118
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codes[lightgreen]=119
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codes[lightgreen]=120
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codes[palegreen1]=121
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codes[aquamarine1]=122
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codes[darkslategray1]=123
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codes[red3]=124
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codes[deeppink4]=125
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codes[mediumvioletred]=126
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codes[magenta3]=127
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codes[darkviolet]=128
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codes[purple]=129
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codes[darkorange3]=130
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codes[indianred]=131
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codes[hotpink3]=132
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codes[mediumorchid3]=133
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codes[mediumorchid]=134
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codes[mediumpurple2]=135
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codes[darkgoldenrod]=136
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codes[lightsalmon3]=137
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codes[rosybrown]=138
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codes[grey63]=139
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codes[mediumpurple2]=140
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codes[mediumpurple1]=141
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codes[gold3]=142
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codes[darkkhaki]=143
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codes[navajowhite3]=144
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codes[grey69]=145
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codes[lightsteelblue3]=146
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codes[lightsteelblue]=147
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codes[yellow3]=148
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codes[darkolivegreen3]=149
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codes[darkseagreen3]=150
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codes[darkseagreen2]=151
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codes[lightcyan3]=152
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codes[lightskyblue1]=153
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codes[greenyellow]=154
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codes[darkolivegreen2]=155
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codes[palegreen1]=156
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codes[darkseagreen2]=157
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codes[darkseagreen1]=158
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codes[paleturquoise1]=159
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codes[red3]=160
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codes[deeppink3]=161
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codes[deeppink3]=162
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codes[magenta3]=163
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codes[magenta3]=164
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codes[magenta2]=165
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codes[darkorange3]=166
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codes[indianred]=167
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codes[hotpink3]=168
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codes[hotpink2]=169
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codes[orchid]=170
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codes[mediumorchid1]=171
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codes[orange3]=172
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codes[lightsalmon3]=173
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codes[lightpink3]=174
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codes[pink3]=175
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codes[plum3]=176
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codes[violet]=177
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codes[gold3]=178
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codes[lightgoldenrod3]=179
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codes[tan]=180
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codes[mistyrose3]=181
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codes[thistle3]=182
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codes[plum2]=183
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codes[yellow3]=184
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codes[khaki3]=185
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codes[lightgoldenrod2]=186
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codes[lightyellow3]=187
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codes[grey84]=188
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codes[lightsteelblue1]=189
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codes[yellow2]=190
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codes[darkolivegreen1]=191
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codes[darkolivegreen1]=192
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codes[darkseagreen1]=193
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codes[honeydew2]=194
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codes[lightcyan1]=195
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codes[red1]=196
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codes[deeppink2]=197
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codes[deeppink1]=198
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codes[deeppink1]=199
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codes[magenta2]=200
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codes[magenta1]=201
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codes[orangered1]=202
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codes[indianred1]=203
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codes[indianred1]=204
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codes[hotpink]=205
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codes[hotpink]=206
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codes[mediumorchid1]=207
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codes[darkorange]=208
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codes[salmon1]=209
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codes[lightcoral]=210
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codes[palevioletred1]=211
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codes[orchid2]=212
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codes[orchid1]=213
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codes[orange1]=214
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codes[sandybrown]=215
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codes[lightsalmon1]=216
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codes[lightpink1]=217
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codes[pink1]=218
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codes[plum1]=219
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codes[gold1]=220
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codes[lightgoldenrod2]=221
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codes[lightgoldenrod2]=222
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codes[navajowhite1]=223
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codes[mistyrose1]=224
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codes[thistle1]=225
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codes[yellow1]=226
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codes[lightgoldenrod1]=227
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codes[khaki1]=228
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codes[wheat1]=229
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codes[cornsilk1]=230
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codes[grey100]=231
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codes[grey3]=232
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codes[grey7]=233
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codes[grey11]=234
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codes[grey15]=235
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codes[grey19]=236
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codes[grey23]=237
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codes[grey27]=238
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codes[grey30]=239
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codes[grey35]=240
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codes[grey39]=241
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codes[grey42]=242
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codes[grey46]=243
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codes[grey50]=244
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codes[grey54]=245
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codes[grey58]=246
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codes[grey62]=247
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codes[grey66]=248
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codes[grey70]=249
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codes[grey74]=250
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codes[grey78]=251
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codes[grey82]=252
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codes[grey85]=253
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codes[grey89]=254
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codes[grey93]=255
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# for testing purposes in terminal
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if [[ "$1" == "foreground" ]]; then
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# call via `getColorCode foreground`
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for i in "${(k@)codes}"; do
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print -P "$(foregroundColor $i)$(getColor $i) - $i$(foregroundColor)"
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done
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elif [[ "$1" == "background" ]]; then
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# call via `getColorCode background`
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for i in "${(k@)codes}"; do
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print -P "$(backgroundColor $i)$(getColor $i) - $i$(backgroundColor)"
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done
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else
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#[[ -n "$1" ]] bg="%K{$1}" || bg="%k"
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# Strip eventual "bg-" prefixes
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1=${1#bg-}
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# Strip eventual "fg-" prefixes
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1=${1#fg-}
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# Strip eventual "br" prefixes ("bright" colors)
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1=${1#br}
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echo -n $codes[$1]
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fi
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fi
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}
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# Check if two colors are equal, even if one is specified as ANSI code.
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function isSameColor() {
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if [[ "$1" == "NONE" || "$2" == "NONE" ]]; then
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return 1
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fi
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local color1=$(getColorCode "$1")
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local color2=$(getColorCode "$2")
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return $(( color1 != color2 ))
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}
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