colors

#!/bin/bash
# colors3.x - A shell script to define ANSI color codes for terminal output.
#
# CONVERTED from ZSH color definitions to a bash-compatible format.
# Original source at https://github.com/zsh-users/zsh/blob/master/Functions/Misc/colors

if [[ "$1" == "--help" ]] || [[ $# -ne 1 ]]; then
    echo "Usage: $0 [--help] [--init-bash]"
    echo "  --init-bash: Configure env variables for color codes that match zsh."
    exit 0
fi
if [[ "$1" == "--init-bash" ]]; then
    cat <<"EOF"
# Declare variables
declare -g -x -A color colour fg fg_bold fg_no_bold bg bg_bold bg_no_bold
declare -g -x lc rc reset_color bold_color

# Define color mappings
color=(
# Codes listed in this array are from ECMA-48, Section 8.3.117, p. 61.
# Those that are commented out are not widely supported or aren't closely
# enough related to color manipulation, but are included for completeness.

# Attribute codes:
  [00]=none                 # [20]=gothic
  [01]=bold                 # [21]=double-underline
  [02]=faint                  [22]=normal
  [03]=italic                 [23]=no-italic         # no-gothic
  [04]=underline              [24]=no-underline
  [05]=blink                  [25]=no-blink
# [06]=fast-blink           # [26]=proportional
  [07]=reverse                [27]=no-reverse
# [07]=standout             # [27]=no-standout
  [08]=conceal                [28]=no-conceal
# [09]=strikethrough        # [29]=no-strikethrough

# Font selection:
# [10]=font-default
# [11]=font-first
# [12]=font-second
# [13]=font-third
# [14]=font-fourth
# [15]=font-fifth
# [16]=font-sixth
# [17]=font-seventh
# [18]=font-eighth
# [19]=font-ninth

# Text color codes:
  [30]=black                  [40]=bg-black
  [31]=red                    [41]=bg-red
  [32]=green                  [42]=bg-green
  [33]=yellow                 [43]=bg-yellow
  [34]=blue                   [44]=bg-blue
  [35]=magenta                [45]=bg-magenta
  [36]=cyan                   [46]=bg-cyan
  [37]=white                  [47]=bg-white
# [38]=iso-8613-6           # [48]=bg-iso-8613-6
  [39]=default                [49]=bg-default

# Other codes:
# [50]=no-proportional
# [51]=border-rectangle
# [52]=border-circle
# [53]=overline
# [54]=no-border
# [55]=no-overline
# [56]=through [59]=reserved

# Ideogram markings:
# [60]=underline-or-right
# [61]=double-underline-or-right
# [62]=overline-or-left
# [63]=double-overline-or-left
# [64]=stress
# [65]=no-ideogram-marking

# Bright color codes (xterm extension)
  [90]=bright-gray            [100]=bg-bright-gray
  [91]=bright-red             [101]=bg-bright-red
  [92]=bright-green           [102]=bg-bright-green
  [93]=bright-yellow          [103]=bg-bright-yellow
  [94]=bright-blue            [104]=bg-bright-blue
  [95]=bright-magenta         [105]=bg-bright-magenta
  [96]=bright-cyan            [106]=bg-bright-cyan
  [97]=bright-white           [107]=bg-bright-white
)

# A word about black and white:  The "normal" shade of white is really a
# very pale grey on many terminals; to get truly white text, you have to
# use bold white, and to get a truly white background you have to use
# bold reverse white bg-xxx where xxx is your desired foreground color
# (and which means the foreground is also bold).

# Reverse mapping (value to key)
for key in "${!color[@]}"; do
  num_key="${key#0}"  # Remove leading zeros
  color["${color[$key]}"]="$key"
  if [[ $num_key -ge 30 && $num_key -le 37 || $num_key -ge 90 && $num_key -le 97 ]]; then
    color["fg-${color[$key]}"]="$key"
  fi
  if [[ $num_key -ge 40 && $num_key -le 47 || $num_key -ge 100 && $num_key -le 107 ]]; then
    color["bg-${color[$key]}"]="$key"
  fi
done

# Add grey/gray synonyms
color[gray]="${color[black]}"
color[fg-gray]="${color[fg - black]}"
color[bg-gray]="${color[bg - black]}"
color[bright-grey]="${color[bright - gray]}"
color[fg-bright-grey]="${color[fg - bright - gray]}"
color[bg-bright-grey]="${color[bg - bright - gray]}"

# Assistance for the colo(u)r-blind.

for k in '' fg- bg-; do
  color[${k}bright-grey]=${color[${k}bright - gray]}
done

# Create 'colour' as a synonym for 'color'
colour=("${color[@]}")

# The following are terminal escape sequences used by colored prompt themes.

lc=$'\e['
rc='m'  # Standard ANSI terminal escape values

reset_color="$lc${color[none]}$rc"
bold_color="$lc${color[bold]}$rc"

# Foreground colors
for key in "${!color[@]}"; do
  [[ $key == fg-* ]] || continue
  name="${key#fg-}"
  fg[$name]="$lc${color[$key]}$rc"
  fg_bold[$name]="$lc${color[bold]};${color[$key]}$rc"
  fg_no_bold[$name]="$lc${color[normal]};${color[$key]}$rc"
done

# Background colors
for key in "${!color[@]}"; do
  [[ $key == bg-* ]] || continue
  name="${key#bg-}"
  bg[$name]="$lc${color[$key]}$rc"
  bg_bold[$name]="$lc${color[bold]};${color[$key]}$rc"
  bg_no_bold[$name]="$lc${color[normal]};${color[$key]}$rc"
done

EOF
fi
# Make variables readonly
#readonly -A color colour fg fg_bold fg_no_bold bg bg_bold bg_no_bold
#readonly lc rc reset_color bold_color

# neovim:disable_autoformat