djcev.com

#!/bin/sh
#
#  Copyright (c) 2017-2021, Cameron Vanderzanden. Available under the
#  terms of the 2-clause BSD license. Please see the file "LICENSE" in
#  the root dir of this repository for more information.
#
#- cev_print.sh 2017/01/17 cev, last updated 2021/12/07. (was lib_print.sh)
#
# functions for pretty printing.

print_help() { grep "^## " "$0" | cut -c 4-; }
print_version() { grep "^#- "  "$0" | cut -c 4-; }

print_filenotfound() {
    [ -z "$self" ] && self="$0"
    printf "%b%s:%b " "$_self" "$self" "$_clear" >&2
    printf "%bfile %b%s " "$_norm" "$_error" "$*" >&2
    printf "%bnot found!%b\n" "$_norm" "$_clear" >&2
}

print_directorynotfound() {
    print_self error
    printf "%bdirectory %b%s " "$_norm" "$_error" "$*" >&2
    printf "%bnot found!%b\n" "$_norm" "$_clear" >&2
}

print_noexe() {
    print_self error
    printf "%b%s%b is not executable!%b\n" "$_error" "$*" "$_norm" "$_clear" >&2
}

print_nofile() {
    print_self error
    printf "%bno file specified.%b\n" "$_norm" "$_clear" >&2
}

print_self() {
    [ -z "$self" ] && self="$0"
    if [ -z "$1" ]; then
        printf "%b%s:%b " "$_self" "$self" "$_clear"
    else
        printf "%b%s:%b " "$_self" "$self" "$_clear" >&2
    fi
    
}

print_unknownfiletype() {
    print_self error
    printf "%b%s%b is an unknown filetype!%b\n" \
        "$_high" "$*" "$_norm" "$_clear" >&2
}

set_colors_true() {
    _clear="\033[0m"
    _self="\033[00;38;2;146;131;116m"
    _error="\033[00;31m"
    _error_high="\033[00;1;31m"
    _norm="\033[00;38;2;213;196;161m"
    _high="\033[00;37m"
}

set_colors_256() {
    _clear="\033[0m"
    _self="\033[00;38;5;245m"
    _error="\033[00;31m"
    _error_high="\033[00;1;31m"
    _norm="\033[00;38;5;250m"
    _high="\033[00;37m"
}

set_colors_16() {
    _clear="\033[0m"
    _self="\033[00;34m"
    _error="\033[00;31m"
    _error_high="\033[00;1;31m"
    _norm="\033[00;37m"
    _high="\033[00;1;37m"
}

set_colors_2() {
    _clear=""
    _self=""
    _error=""
    _error_high=""
    _norm=""
    _high=""
}

case $TERM in
    rxvt-unicode-256color) set_colors_256 ;;
    rxvt-256color) set_colors_256 ;;
    rxvt-unicode) set_colors_16 ;;
    rxvt-mono) set_colors_2 ;;
    rxvt*) set_colors_2 ;;
    xterm-256color) set_colors_true ;;
    xterm-color) set_colors_16 ;;
    xterm*) set_colors_2 ;;
    screen-256color) set_colors_256 ;;
    screen*) set_colors_2 ;;
    *) set_colors_2 ;;
esac