xcolors

#!/usr/bin/env bash
#
# ############################################################################
# Project: scripts (none)
# File...: xcolors
# Created: Saturday, 2020/03/28 - 20:13:33
# Author.: @fbnmtz, (fabiano.matoz@gmail.com)
# ~·~·~·~·~·~·~·~·~·~·~·~·~~·~·~·~·~·~·~·~·~·~·~·~·~~·~·~·~·~·~~·~·~·~·~·~·~·~
# Last Modified: Monday, 2023/06/12 - 02:06:44
# Modified By..: @fbnmtz, (fabiano.matoz@gmail.com)
# ~·~·~·~·~·~·~·~·~·~·~·~·~~·~·~·~·~·~·~·~·~·~·~·~·~~·~·~·~·~·~~·~·~·~·~·~·~·~
# Version: 0.0.1.3
# ~·~·~·~·~·~·~·~·~·~·~·~·~~·~·~·~·~·~·~·~·~·~·~·~·~~·~·~·~·~·~~·~·~·~·~·~·~·~
# Description: 
#  >
# ############################################################################
# HISTORY:
#

configure(){
    # app name
    APP=$(basename $0)
    
    COLORS=(black red green brown blue purple cyan grey)
    # normal mode or ligth mode
    MODE=(0 1)
    # 3 foregroud - 4 background
    TYPE=(3 4)
    START='\e['
    END='\e[0m'
    # COLOR['black']=30
    # COLOR['red']=31
    # COLOR['green']=32
    # COLOR['brown']=33
    # COLOR['blue']=34
    # COLOR['purple']=35
    # COLOR['cyan']=36
    # COLOR['grey']=37

    # Dark Gray     1;30
    # Light Red     1;31
    # Light Green   1;32
    # Yellow        1;33
    # Light Blue    1;34
    # Light Purple  1;35
    # Light Cyan    1;36
    # White         1;37

}

usage(){
    echo "usage: $APP [color] [text]"
    echo -e "prints some text with color\n\nFOREGROUND COLORS"
    echo -e "black  | b) color"
    echo -e "red    | r) color"
    echo -e "green  | g) color"
    echo -e "yellow | y) color"
    echo -e "blue   | B) color"
    echo -e "pink   | p) color"
    echo -e "cyan   | c) color"
    echo -e "white  | w) color"
    echo -e "\nBACKGROUND COLORS"
    echo -e "bg-black  | -b) bgcolor"
    echo -e "bg-red    | -r) bgcolor"
    echo -e "bg-green  | -g) bgcolor"
    echo -e "bg-yellow | -y) bgcolor"
    echo -e "bg-blue   | -B) bgcolor"
    echo -e "bg-pink   | -p) bgcolor"
    echo -e "bg-cyan   | -c) bgcolor"
    echo -e "bg-white  | -w) bgcolor"
    echo -e "\nOPTIONS"
    echo -e "--bold " 
    echo -e "--dim " 
    echo -e "--italic " 
    echo -e "--underline " 
    
}

# rum main code
configure
# requirements

# quit if no param
if [ "$1" == "" ]; then
    usage
    exit 1
fi

# output COMMAND
CMD=echo
# output cmd args
ARGS=-e

# ansi code escpe
code="\033["
# foreground colors
color=""
# background color
bgcolor=""
# formating option
options=""
# mode of color: normal or ligth
mode='0'

start=$code
end=${code}0m

# check all params
while [ "$1" != "" ]; do
    case "$1" in
        black  | b) color="30";;
        red    | r) color="31";;
        green  | g) color="32";;
        yellow | y) color="33";;
        blue   | B) color="34";;
        pink   | p) color="35";;
        cyan   | c) color="36";;
        white  | w) color="37";;

        bg-black  | -b) bgcolor="40";;
        bg-red    | -r) bgcolor="41";;
        bg-green  | -g) bgcolor="42";;
        bg-yellow | -y) bgcolor="43";;
        bg-blue   | -B) bgcolor="44";;
        bg-pink   | -p) bgcolor="45";;
        bg-cyan   | -c) bgcolor="46";;
        bg-white  | -w) bgcolor="47";;

        --bold)      options+=";1";;
        --dim)       options+=";2";;
        --italic)    options+=";3";;
        --underline) options+=";4";;
        --blink)     options+=";5";;
        # fix unespected behavior; when printing some text that have an param equals $APP 
        #  this param was interpreted instead printed; now use escape '\' to avoid this
        '\-'*) text+=" $(echo $1 | sed 's/\\//g') ";;
        # \\-r) slash=$1; text+="${slash%\\} ";;
        -n) ARGS+=" "-n
            text+=" "
            ;;
        "\\") text+=" " ;;
        --help | -h) usage;;
        *) 
            if [ -z "$text" ]; then
                text+="$1"
            else
                text+=" $1"
            fi
  esac
    # remove current $1 arg, and assing $2 to $1
    shift
done

for i in $options $color $bgcolor; do
    if [ -z "$codes" ]; then
        codes+="$i"
    else
        codes+=";$i"
    fi
done

output=$start$codes"m"$text$end

# echo $output
$CMD $ARGS $output