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aks: refactor prompt color names & generation into separate file
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aks committed Aug 28, 2014
1 parent 06f7578 commit e037ec0
Showing 1 changed file with 82 additions and 0 deletions.
82 changes: 82 additions & 0 deletions prompt-colors.sh
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# 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 Magneta 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"
}

#ResetColor="`_term_color 0`" # Text reset

_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

}
define_color_names

# end of prompt-colors.sh
# vim: set ai sw=2

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