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bash-git-prompt/prompt-colors.sh
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#!/usr/bin/env bash | |
# prompt-colors.sh | |
# | |
# source this file to get color definitions | |
# are also printed to STDERR. | |
define_color_names() { | |
ColorNames=( Black Red Green Yellow Blue Magenta Cyan White ) | |
FgColors=( 30 31 32 33 34 35 36 37 ) | |
BgColors=( 40 41 42 43 44 45 46 47 ) | |
local AttrNorm=0 | |
local AttrBright=1 | |
local AttrDim=2 | |
local AttrUnder=4 | |
local AttrBlink=5 | |
local AttrRev=7 | |
local AttrHide=8 | |
# define "BoldCOLOR", "BrightCOLOR", and "DimCOLOR" names | |
# _map_colors ATTRNAME ATTRVALUE | |
# | |
# Defines three names for every color, attribute combintaion: | |
# {ATTRNAME}{COLORNAME} | |
# {ATTRNAME}{COLORNAME}Fg | |
# {ATTRNAME}{COLORNAME}Bg | |
# | |
# Example: BoldRed, BoldRedFg, BoldRedBg | |
_map_colors() { | |
local x=0 | |
local attrname="${1}" | |
local attrcode="${2}" | |
while (( x < 8 )) ; do | |
local colorname="${ColorNames[x]}" | |
local fgcolorcode="${FgColors[x]}" | |
local bgcolorcode="${BgColors[x]}" | |
longcolorname="${attrname}${colorname}" | |
_def_color "${longcolorname}" "${attrcode}" "${fgcolorcode}" | |
_def_color "${longcolorname}Fg" "${attrcode}" "${fgcolorcode}" | |
_def_color "${longcolorname}Bg" "${attrcode}" "${bgcolorcode}" | |
(( x++ )) | |
done | |
} | |
# _term_color [ N | N M ] | |
_term_color() { | |
local cv | |
if [[ "${#}" -gt 1 ]]; then | |
cv="${1};${2}" | |
else | |
cv="${1}" | |
fi | |
echo "\[\033[${cv}m\]" | |
} | |
# def_color NAME ATTRCODE COLORCODE | |
_def_color() { | |
local def="${1}=\"\`_term_color ${2} ${3}\`\"" | |
eval "${def}" | |
} | |
_map_colors Bold ${AttrBright} | |
_map_colors Bright ${AttrBright} | |
_map_colors Dim ${AttrDim} | |
_map_colors '' ${AttrNorm} | |
_def_color IntenseBlack 0 90 | |
_def_color ResetColor 0 0 | |
} | |
# do the color definitions only once | |
if [[ -z "${ColorNames+x}" || "${#ColorNames[*]}" = 0 || -z "${IntenseBlack:+x}" || -z "${ResetColor:+x}" ]]; then | |
define_color_names | |
fi |