Merge pull request #2019 from gaelicWizard/lib/colors

lib/colors: split out metaprogramming

bash_it.sh

@@ -66,10 +66,6 @@ done
 # Load theme, if a theme was set
 if [[ -n "${BASH_IT_THEME}" ]]; then
 	_log_debug "Loading \"${BASH_IT_THEME}\" theme..."
-	# Load colors and helpers first so they can be used in base theme
-	BASH_IT_LOG_PREFIX="themes: colors: "
-	# shellcheck source=./themes/colors.theme.bash
-	source "${BASH_IT}/themes/colors.theme.bash"
 	BASH_IT_LOG_PREFIX="themes: githelpers: "
 	# shellcheck source=./themes/githelpers.theme.bash
 	source "${BASH_IT}/themes/githelpers.theme.bash"

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
@@ -95,6 +96,7 @@ plugins/available/basher.plugin.bash
 plugins/available/battery.plugin.bash
 plugins/available/blesh.plugin.bash
 plugins/available/cmd-returned-notify.plugin.bash
+plugins/available/colors.plugin.bash
 plugins/available/direnv.plugin.bash
 plugins/available/dirs.plugin.bash
 plugins/available/docker-machine.plugin.bash

lib/colors.bash

@@ -0,0 +1,91 @@
+# shellcheck shell=bash
+# shellcheck disable=SC2034
+#
+# A set of pre-defined color escape codes for use in prompts and with `echo`.
+
+black="\[\e[0;30m\]"
+red="\[\e[0;31m\]"
+green="\[\e[0;32m\]"
+yellow="\[\e[0;33m\]"
+blue="\[\e[0;34m\]"
+purple="\[\e[0;35m\]"
+cyan="\[\e[0;36m\]"
+white="\[\e[0;37m\]"
+orange="\[\e[0;91m\]"
+
+bold_black="\[\e[30;1m\]"
+bold_red="\[\e[31;1m\]"
+bold_green="\[\e[32;1m\]"
+bold_yellow="\[\e[33;1m\]"
+bold_blue="\[\e[34;1m\]"
+bold_purple="\[\e[35;1m\]"
+bold_cyan="\[\e[36;1m\]"
+bold_white="\[\e[37;1m\]"
+bold_orange="\[\e[91;1m\]"
+
+underline_black="\[\e[30;4m\]"
+underline_red="\[\e[31;4m\]"
+underline_green="\[\e[32;4m\]"
+underline_yellow="\[\e[33;4m\]"
+underline_blue="\[\e[34;4m\]"
+underline_purple="\[\e[35;4m\]"
+underline_cyan="\[\e[36;4m\]"
+underline_white="\[\e[37;4m\]"
+underline_orange="\[\e[91;4m\]"
+
+background_black="\[\e[40m\]"
+background_red="\[\e[41m\]"
+background_green="\[\e[42m\]"
+background_yellow="\[\e[43m\]"
+background_blue="\[\e[44m\]"
+background_purple="\[\e[45m\]"
+background_cyan="\[\e[46m\]"
+background_white="\[\e[47;1m\]"
+background_orange="\[\e[101m\]"
+
+normal="\[\e[0m\]"
+reset_color="\[\e[39m\]"
+
+# These colors are meant to be used with `echo -e`
+echo_black="\033[0;30m"
+echo_red="\033[0;31m"
+echo_green="\033[0;32m"
+echo_yellow="\033[0;33m"
+echo_blue="\033[0;34m"
+echo_purple="\033[0;35m"
+echo_cyan="\033[0;36m"
+echo_white="\033[0;37;1m"
+echo_orange="\033[0;91m"
+
+echo_bold_black="\033[30;1m"
+echo_bold_red="\033[31;1m"
+echo_bold_green="\033[32;1m"
+echo_bold_yellow="\033[33;1m"
+echo_bold_blue="\033[34;1m"
+echo_bold_purple="\033[35;1m"
+echo_bold_cyan="\033[36;1m"
+echo_bold_white="\033[37;1m"
+echo_bold_orange="\033[91;1m"
+
+echo_underline_black="\033[30;4m"
+echo_underline_red="\033[31;4m"
+echo_underline_green="\033[32;4m"
+echo_underline_yellow="\033[33;4m"
+echo_underline_blue="\033[34;4m"
+echo_underline_purple="\033[35;4m"
+echo_underline_cyan="\033[36;4m"
+echo_underline_white="\033[37;4m"
+echo_underline_orange="\033[91;4m"
+
+echo_background_black="\033[40m"
+echo_background_red="\033[41m"
+echo_background_green="\033[42m"
+echo_background_yellow="\033[43m"
+echo_background_blue="\033[44m"
+echo_background_purple="\033[45m"
+echo_background_cyan="\033[46m"
+echo_background_white="\033[47;1m"
+echo_background_orange="\033[101m"
+
+echo_normal="\033[0m"
+echo_reset_color="\033[39m"

plugins/available/colors.plugin.bash

@@ -0,0 +1,197 @@
+# shellcheck shell=bash
+# shellcheck disable=SC2005
+
+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 "$(__color_parse make_echo "$@")"
+}

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

test/lib/log.bats

@@ -1,7 +1,7 @@
 #!/usr/bin/env bats
 
 load ../test_helper
-load ../../themes/colors.theme
+load ../../lib/colors
 
 load ../../lib/log
 load ../../lib/helpers

test/plugins/base.plugin.bats

@@ -19,7 +19,7 @@ load ../../plugins/available/base.plugin
   run myip
   assert_success
   declare -r mask_ip=$(echo $output | tr -s '[0-9]' '?')
-  [[ $mask_ip == 'Your public IP is: ?.?.?.?' ]]
+  [[ $mask_ip == 'Your public IP is:'*'?.?.?.?'* ]]
 }
 
 @test 'plugins base: pickfrom()' {

test/test_helper_libs.bash

@@ -5,3 +5,4 @@ load "${BASH_IT}/lib/utilities.bash"
 load "${BASH_IT}/lib/helpers.bash"
 load "${BASH_IT}/lib/search.bash"
 load "${BASH_IT}/lib/preexec.bash"
+load "${BASH_IT}/lib/colors.bash"

test/themes/base.theme.bats

@@ -2,7 +2,6 @@
 
 load ../test_helper
 load ../test_helper_libs
-load ../../themes/colors.theme
 load ../../themes/base.theme
 
 @test 'themes base: battery_percentage should not exist' {