ansi colors

2026-08-31 20:34:51 +04:00
parent 9ca22efd42
commit bdf977e78a
11 changed files with 123 additions and 266 deletions
@@ -1,120 +1,35 @@
-# CONSTANTS
+# TODO: build a global `declare -A __MIAOU_LOADED_LIBRARIES`

-# MARGIN=0
-PADDING=0
-ANSI_RESET='\e[0m'
+if [[ ! -v ANSI ]]; then
+  declare -A ANSI
+  ANSI[RESET]=0

-BLOCK_CONTINUATION_COL=
-BLOCK_CONTINUATION_SYMBOL=╦
+  ANSI[STYLE_ITALIC]=3
+  ANSI[STYLE_BOLD]=1
+  ANSI[STYLE_UNDERLINE]=4
+  ANSI[STYLE_STRIKETHROUGH]=9

-declare -A STYLE_VARIANTS
-STYLE_VARIANTS[BOLD]='\e[1m'
-STYLE_VARIANTS[ITALIC]='\e[3m'
-STYLE_VARIANTS[UNDERLINE]='\e[4m'
-STYLE_VARIANTS[STRIKETHROUGH]='\e[9m'
+  ANSI[FG_BLACK]=30
+  ANSI[FG_RED]=31
+  ANSI[FG_GREEN]=32
+  ANSI[FG_YELLOW]=33
+  ANSI[FG_BLUE]=34
+  ANSI[FG_PURPLE]=35
+  ANSI[FG_CYAN]=36
+  ANSI[FG_WHITE]=37
+  ANSI[FG_GRAY]=90
+  ANSI[FG_LIGHTBLUE]=94
+  ANSI[FG_MAGENTA]=95

-declare -A FG_COLORS
-FG_COLORS[BLACK]='\e[30m'
-FG_COLORS[RED]='\e[31m'
-FG_COLORS[GREEN]='\e[32m'
-FG_COLORS[YELLOW]='\e[33m'
-FG_COLORS[BLUE]='\e[34m'
-FG_COLORS[PURPLE]='\e[35m'
-FG_COLORS[CYAN]='\e[36m'
-FG_COLORS[WHITE]='\e[37m'
-FG_COLORS[GRAY]='\e[90m'
-FG_COLORS[MAGENTA]='\e[95m'
-
-declare -A BG_COLORS
-BG_COLORS[BLACK]='\e[40m'
-BG_COLORS[RED]='\e[41m'
-BG_COLORS[GREEN]='\e[42m'
-BG_COLORS[YELLOW]='\e[43m'
-BG_COLORS[BLUE]='\e[44m'
-BG_COLORS[PURPLE]='\e[45m'
-BG_COLORS[CYAN]='\e[46m'
-BG_COLORS[WHITE]='\e[47m'
-# BG_COLORS["GRAY"]='\e[90m'
-# BG_COLORS["MAGENTA"]='\e[95m'
-
-# FUNCTIONS
-
-function ansi_reset {
-  PADDING=0
-  unset PADDING_LEFT PADDING_RIGHT BG FG
-}
-
-function ansi_length {
-  local clean_text
-  clean_text=$(echo "$1" | sed 's/\x1B\[[0-9;]*m//g')
-  echo "${#clean_text}"
-}
-
-function style_padding {
-  local left right
-  local padding_left=${PADDING_LEFT:-$PADDING}
-  local padding_right=${PADDING_RIGHT:-$PADDING}
-
-  left=$(for _ in $(seq 1 "${padding_left}"); do builtin echo -n ' '; done)
-  style_ansi "$left"
-
-  style_ansi "$1"
-
-  right=$(for _ in $(seq 1 "${padding_right}"); do builtin echo -n ' '; done)
-  style_ansi "$right"
-}
-
-function _style_fg {
-  [[ -n $1 ]] && echo "${FG_COLORS[$1]}" || true
-}
-
-function _style_variant {
-  [[ -n $1 ]] && echo "${STYLE_VARIANTS[$1]}" || true
-}
-
-function _style_bg {
-  if [[ -n "$1" ]]; then
-    [[ -v BG_COLORS[$1] ]] && echo "${BG_COLORS[$1]}" || >&2 echo "unknown BG value: $1"
-  fi
-}
-
-function style_ansi {
-  local fg bg variant
-  fg=$(_style_fg "${FG:-}") && [[ -n $fg ]] && builtin echo -en "$fg"
-  bg=$(_style_bg "${BG:-}") && [[ -n $bg ]] && builtin echo -en "$bg"
-  variant=$(_style_variant "${STYLE:-}") && [[ -n $variant ]] && builtin echo -en "$variant"
-  builtin echo -en "$1"
-  [[ -n $fg || -n $bg || -n $variant ]] && builtin echo -en "$ANSI_RESET"
-  true
-}
-
-function style_block {
-  local content length top bottom i
-
-  content=$(style_padding "$1")
-  length=$(ansi_length "$content")
-
-  top=$(
-    builtin echo -n "╔"
-    for _ in $(seq 1 "${length}"); do builtin echo -n '═'; done
-    builtin echo "╗"
-  )
-  style_ansi "${top}" && builtin echo
-
-  style_ansi "║"
-  style_ansi "${content}"
-  style_ansi "║" && builtin echo
-
-  bottom=$(
-    builtin echo -n "╚"
-    for i in $(seq 1 "${length}"); do
-      if [[ $i == "$BLOCK_CONTINUATION_COL" ]]; then
-        builtin echo -n "$BLOCK_CONTINUATION_SYMBOL"
-      else
-        builtin echo -n '═'
-      fi
-    done
-    builtin echo "╝"
-  )
-  style_ansi "${bottom}" && builtin echo
-}
+  ANSI[BG_BLACK]=40
+  ANSI[BG_RED]=41
+  ANSI[BG_GREEN]=42
+  ANSI[BG_YELLOW]=43
+  ANSI[BG_BLUE]=44
+  ANSI[BG_PURPLE]=45
+  ANSI[BG_CYAN]=46
+  ANSI[BG_WHITE]=47
+  ANSI[BG_GRAY]=90
+  ANSI[BG_MAGENTA]=95
+  readonly ANSI
+fi