dahlia

#!/bin/bash
# shellcheck disable=2016

source "$(dirname -- "$(readlink -f -- "$0")")"/lib/lib.sh

show_help() {
	echo "\
Dahlia — a simple text formatting package, inspired by the game Minecraft.

Usage:
  dahlia [--] TEXT
    parse the TEXT and color it

  dahlia {clean|clean_ansi} TEXT
    remove Dahlia/ANSI codes from TEXT

  dahlia test
    print short test string

  dahlia {--help|help}
    print this help

Configuration via environment variables:
  DAHLIA_DEPTH - color depth
    either case insensitive string AUTO, TTY, LOW, MEDIUM or HIGH or number of bits 0, 3, 4, 8, 24
    (default or AUTO is tries to infer the best based on the terminal)

  DAHLIA_MARKER - specify what marker to use (default is &)

  DAHLIA_AUTO_RESET - if not 0 auto add reset (default is 1)

Respects NO_COLOR environment variable.
"
}

case "$1" in
'' | --help | help) show_help ;;
--) dahlia_convert "${@:2}" ;;
test) dahlia_test ;;
clean) dahlia_clean "${@:2}" ;;
clean_ansi) dahlia_clean_ansi "${@:2}" ;;
*) dahlia_convert "$@" ;;
esac