lib/colors: revert Bash-it#99

This reverts Bash-it#99, a metaprogramming adventure in terminal color code escape computation. It was functionally reverted in Bash-it#699; I'm just finishing the job.

clean_files.txt

@@ -80,6 +80,7 @@ completion/available/vuejs.completion.bash
 completion/available/wpscan.completion.bash
 
 # libraries
+lib/colors.bash
 lib/helpers.bash
 lib/log.bash
 lib/preexec.bash

lib/colors.bash

@@ -1,188 +1,7 @@
 # shellcheck shell=bash
-# shellcheck disable=SC2005
 # shellcheck disable=SC2034
-
-function __ {
-  echo "$@"
-}
-
-function __make_ansi {
-  next=$1; shift
-  echo "\[\e[$(__$next $@)m\]"
-}
-
-function __make_echo {
-  next=$1; shift
-  echo "\033[$(__$next $@)m"
-}
-
-
-function __reset {
-  next=$1; shift
-  out="$(__$next $@)"
-  echo "0${out:+;${out}}"
-}
-
-function __bold {
-  next=$1; shift
-  out="$(__$next $@)"
-  echo "${out:+${out};}1"
-}
-
-function __faint {
-  next=$1; shift
-  out="$(__$next $@)"
-  echo "${out:+${out};}2"
-}
-
-function __italic {
-  next=$1; shift
-  out="$(__$next $@)"
-  echo "${out:+${out};}3"
-}
-
-function __underline {
-  next=$1; shift
-  out="$(__$next $@)"
-  echo "${out:+${out};}4"
-}
-
-function __negative {
-  next=$1; shift
-  out="$(__$next $@)"
-  echo "${out:+${out};}7"
-}
-
-function __crossed {
-  next=$1; shift
-  out="$(__$next $@)"
-  echo "${out:+${out};}8"
-}
-
-
-function __color_normal_fg {
-  echo "3$1"
-}
-
-function __color_normal_bg {
-  echo "4$1"
-}
-
-function __color_bright_fg {
-  echo "9$1"
-}
-
-function __color_bright_bg {
-  echo "10$1"
-}
-
-
-function __color_black   {
-  echo "0"
-}
-
-function __color_red   {
-  echo "1"
-}
-
-function __color_green   {
-  echo "2"
-}
-
-function __color_yellow  {
-  echo "3"
-}
-
-function __color_blue  {
-  echo "4"
-}
-
-function __color_magenta {
-  echo "5"
-}
-
-function __color_cyan  {
-  echo "6"
-}
-
-function __color_white   {
-  echo "7"
-}
-
-function __color_rgb {
-  r=$1 && g=$2 && b=$3
-  [[ $r == $g && $g == $b ]] && echo $(( $r / 11 + 232 )) && return # gray range above 232
-  echo "8;5;$(( ($r * 36  + $b * 6 + $g) / 51 + 16 ))"
-}
-
-function __color {
-  color=$1; shift
-  case "$1" in
-    fg|bg) side="$1"; shift ;;
-    *) side=fg;;
-  esac
-  case "$1" in
-    normal|bright) mode="$1"; shift;;
-    *) mode=normal;;
-  esac
-  [[ $color == "rgb" ]] && rgb="$1 $2 $3"; shift 3
-
-  next=$1; shift
-  out="$(__$next $@)"
-  echo "$(__color_${mode}_${side} $(__color_${color} $rgb))${out:+;${out}}"
-}
-
-
-function __black   {
-  echo "$(__color black $@)"
-}
-
-function __red   {
-  echo "$(__color red $@)"
-}
-
-function __green   {
-  echo "$(__color green $@)"
-}
-
-function __yellow  {
-  echo "$(__color yellow $@)"
-}
-
-function __blue  {
-  echo "$(__color blue $@)"
-}
-
-function __magenta {
-  echo "$(__color magenta $@)"
-}
-
-function __cyan  {
-  echo "$(__color cyan $@)"
-}
-
-function __white   {
-  echo "$(__color white $@)"
-}
-
-function __rgb {
-  echo "$(__color rgb $@)"
-}
-
-
-function __color_parse {
-  next=$1; shift
-  echo "$(__$next $@)"
-}
-
-function color {
-  echo "$(__color_parse make_ansi $@)"
-}
-
-function echo_color {
-  echo "$(__color_parse make_echo $@)"
-}
-
+#
+# A set of pre-defined color escape codes for use in prompts and with `echo`.
 
 black="\[\e[0;30m\]"
 red="\[\e[0;31m\]"

test/lib/helpers.bats

@@ -3,7 +3,7 @@
 load ../test_helper
 load ../test_helper_libs
 load ../../plugins/available/base.plugin
-load ../../themes/colors.theme
+load ../../lib/colors
 
 function local_setup {
   setup_test_fixture