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16d7bf9 Oct 29, 2015
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@ogr3 @aks @magicmonty
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#!/usr/bin/env bash
# prompt-colors.sh
#
# source this file to get color definitions
# if $debug or $verbose is set, the 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 (( $# > 1 )); then
cv="${1};${2}"
else
cv="${1}"
fi
echo "\[\033[${cv}m\]"
}
# def_color NAME ATTRCODE COLORCODE
_def_color() {
local def="$1=\"\`_term_color $2 $3\`\""
if [[ -n "$debug$verbose" ]]; then
echo 1>&2 "+ $def"
fi
eval "$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 [[ ${#ColorNames[*]} = 0 || -z "$IntenseBlack" || -z "$ResetColor" ]]; then
define_color_names
fi