Initial commit

lib/ui/cli.bash

@@ -0,0 +1,160 @@
+#!/usr/bin/bash
+set -euo pipefail
+
+# -- CLI Class ----------------------------------------------------------------
+
+cli.__load__() {
+    NO_FMT="\033[0m"
+    F_BOLD="\033[1m"
+
+    C_NONE="\033[0m"
+    C_RED="\033[38;5;9m"
+    C_BLUE="\033[38;5;12m"
+    C_GREEN="\033[38;5;2m"
+    C_ORANGE="\033[38;5;208m"
+    C_GOLD="\033[38;5;220m"
+    C_PURPLE="\033[38;5;5m"
+
+    S_INFO="${C_BLUE}\u2691 [info] ${NO_FMT} "
+    S_SUCCESS="${C_GREEN}\u2691 [success] ${NO_FMT}\u2713 "
+    S_DEBUG="${C_PURPLE}\u2691 [debug]${NO_FMT} "
+    S_WARN="${C_ORANGE}\u2691 [warning] ${NO_FMT} "
+    S_ERROR="${C_RED}\u2691 [error] ${NO_FMT}\u2715 "
+
+    U_ITEM="\u2192"
+    U_SUBITEM="\u21E2"
+    #U_SUBITEM="\u21B3"
+}
+
+cli.init() {
+    function __write_header() {
+        #clear && echo
+        printf $"${@:1:1}" \
+            $(echo -ne ${F_BOLD}${C_BLUE}${@:2:1}${NO_FMT}) \
+            $(echo -ne ${C_ORANGE}${@:3}${NO_FMT}) && \
+        for i in $(seq 1 ${cols}); do \
+            printf "%s" $(echo -ne "\u2581"); \
+            sleep .005; \
+        done && \
+        printf "%2s\n"
+    }
+
+    function _init() {
+        __write_header "${@}"
+    }
+
+    cols=$(tput cols)
+    _init "${@}"
+}
+
+cli.line() {
+    [ -z "${1:-}" ] && printf "%s\n"
+    for i in $(seq 1 ${cols}); do \
+        printf "%s" $(echo -ne "\u2504${NO_FMT}"); \
+    done && \
+    [ -z "${1:-}" ] && printf "%2s\n"
+    return 0
+}
+
+cli.move_to_col() {
+    echo -ne "echo -en \\033[${1:-0}G"
+}
+
+cli.info() {
+    cli.move_to_col 0
+    echo -ne "${S_INFO}"
+}
+
+cli.warn() {
+    cli.move_to_col 0
+    echo -ne "${S_WARN}"
+}
+
+cli.error() {
+    cli.move_to_col 0
+    echo -ne "${S_ERROR}"
+}
+
+cli.print() {
+    printf $"${@:1:1}" ${@:2}
+}
+
+cli.tab() {
+    printf "%${1:-2}s" ' '
+}
+
+cli.item() {
+    echo -ne "${U_ITEM} "
+    cli.print "${@}"
+}
+
+cli.subitem() {
+    echo -ne "${U_SUBITEM} "
+    cli.print "${@}"
+}
+
+cli.emphasis() {
+    echo -ne "${F_BOLD}${C_BLUE}"
+    cli.print "${@}"
+    echo -ne "${NO_FMT}"
+}
+
+
+
+cli.debug() {
+    if [ "${debug:-,,}" == "true" ]; then
+         [ ${#@} -lt 1 ] && \
+            cli.move_to_col 0 && \
+            echo -ne "${S_DEBUG}"
+
+        [ "${1:-z}" == "text" ] && \
+            cli.print "${@:2}"
+
+        [ "${1:-z}" == "line" ] && \
+            cli.move_to_col 0 && \
+            cli.line "${@:2}"
+
+        [ "${1:-z}" == "item" ] && \
+            cli.item "${@:2}"
+
+        [ "${1:-z}" == "subitem" ] && \
+            cli.subitem "${@:2}"
+
+        [ "${1:-z}" == "emphasis" ] && \
+            cli.emphasis "${@:2}"
+    fi
+    set -e # why we need to set it again?
+}
+
+cli.dbg_item() {
+    [ "${debug:-,,}" == "true" ] && \
+        echo -ne "${U_ITEM} " && \
+        cli.print "${@}"
+}
+cli.dbg_subitem() {
+    [ "${debug:-,,}" == "true" ] && \
+        echo -ne "${U_SUBITEM} " && \
+        cli.print "${@}"
+}
+
+
+
+cli.color() {
+    color=${1:-NONE}
+    eval "echo -ne \${C_${color^^}}"
+}
+
+cli.arrow() {
+    case ${1:-} in
+        top) arrow='\u21E1';;
+        left) arrow='\u21E0' ;;
+        bottom) arrow='\u21E3' ;;
+        right) arrow='\u21E2' ;;
+    esac
+
+    echo -ne "${arrow}"
+}
+
+cli.__load__
+
+# vim: ts=4:sw=4:sts=4:et