gistfile1.txt
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#!/usr/bin/env bash
UI_ROW_WIDTH=${UI_ROW_WIDTH:-20}
UI_SECTION_WIDTH=${UI_SECTION_WIDTH:-44}
function ui::row() {
local label="$1" value="$2" width="${3:-$UI_ROW_WIDTH}"
printf " %-${width}s %s\n" "${label}:" "$value"
}
function ui::section() {
local title="$1" width="${2:-$UI_SECTION_WIDTH}"
local dashes
dashes=$(printf '─%.0s' $(seq 1 $(( width - ${#title} - 4 ))))
printf "\n \033[0;37m── %s %s\033[0m\n" "$title" "$dashes"
}
function ui::list_item() {
local prefix="$1" value="$2"
printf " %s %s\n" "$prefix" "$value"
}
function ui::print_list() {
local prefix="$1" input="$2"
[[ -z "$input" ]] && return 0 # early return for empty input
while IFS= read -r e; do
[[ -n "$e" ]] && ui::list_item "$prefix" "$e"
done <<< "$input"
}
function ui::divider() {
local width="${1:-48}"
printf " %s\n" "$(printf '─%.0s' $(seq 1 $width))"
}
function ui::pad() {
local text="$1" width="${2:-20}"
local visible
visible=$(echo -e "$text" | sed 's/\x1b\[[0-9;]*m//g')
local pad=$(( width - ${#visible} ))
printf "%b%${pad}s" "$text" ""
}
function ui::pad_mb() {
local text="$1" width="${2:-20}"
local visible
visible=$(printf "%b" "$text" | sed 's/\x1b\[[0-9;]*m//g')
local vis_len
vis_len=$(python3 -c "import sys; print(len(sys.stdin.read().rstrip('\n')))" \
<<< "$visible")
local pad=$(( width - vis_len ))
[[ $pad -lt 0 ]] && pad=0
printf "%b%${pad}s" "$text" ""
}
function ui::vis_len_multi() {
# Get visible lengths of multiple strings in one Python call
# Returns newline-separated integers
python3 -c "
import sys, re
ansi = re.compile(r'\x1b\[[0-9;]*m')
for s in sys.argv[1:]:
print(len(ansi.sub('', s)))
" "$@"
}
function ui::pad_status() {
ui::pad "${1:-}" "${2:-25}"
}
function ui::center() {
local text="$1" width="${2:-8}"
local len=${#text}
local pad=$(( (width - len) / 2 ))
local rpad=$(( width - len - pad ))
printf "%${pad}s%s%${rpad}s" "" "$text" ""
}
function ui::firewall_rule() {
local rule="$1"
if [[ "$rule" =~ ACCEPT|DNAT ]]; then
printf "\033[0;32m%s\033[0m\n" "$rule"
elif [[ "$rule" =~ DROP ]]; then
printf "\033[0;31m%s\033[0m\n" "$rule"
elif [[ "$rule" =~ NFLOG|LOG ]]; then
printf "\033[0;37m%s\033[0m\n" "$rule"
else
printf "%s\n" "$rule"
fi
}
# ============================================
# Content Helpers
# ============================================
function ui::has_content() {
# Returns 0 (true) if content exists, 1 if empty
# Works with strings, arrays, or command output
local value="${1:-}"
[[ -n "$value" ]]
}
function ui::skip_if_empty() {
# Usage: ui::skip_if_empty "$var" || return 0
# Or: ui::skip_if_empty "${array[*]}" || return 0
local value="${1:-}"
[[ -z "${value// }" ]] && return 1 || return 0
}
function ui::empty() {
local val="${1:-}"
# Empty string or whitespace only
[[ -z "${val// }" ]] && return 0
# Numeric zero
[[ "$val" =~ ^[0-9]+$ ]] && [[ "$val" -eq 0 ]] && return 0
return 1
}
# Usage: ui::bool "$value" [yes_label] [no_label]
# Default labels: yes / no
function ui::bool() {
local val="${1:-}" yes="${2:-yes}" no="${3:-no}"
[[ "$val" == "true" ]] && echo "$yes" || echo "$no"
}
# ============================================
# Prompt
# ============================================
function ui::confirm() {
local prompt="${1:-Are you sure?}"
local response
printf " %s [y/N] " "$prompt"
read -r response
[[ "${response,,}" == "y" || "${response,,}" == "yes" ]]
}
| 1 | #!/usr/bin/env bash |
| 2 | |
| 3 | UI_ROW_WIDTH=${UI_ROW_WIDTH:-20} |
| 4 | UI_SECTION_WIDTH=${UI_SECTION_WIDTH:-44} |
| 5 | |
| 6 | function ui::row() { |
| 7 | local label="$1" value="$2" width="${3:-$UI_ROW_WIDTH}" |
| 8 | printf " %-${width}s %s\n" "${label}:" "$value" |
| 9 | } |
| 10 | |
| 11 | function ui::section() { |
| 12 | local title="$1" width="${2:-$UI_SECTION_WIDTH}" |
| 13 | local dashes |
| 14 | dashes=$(printf '─%.0s' $(seq 1 $(( width - ${#title} - 4 )))) |
| 15 | printf "\n \033[0;37m── %s %s\033[0m\n" "$title" "$dashes" |
| 16 | } |
| 17 | |
| 18 | function ui::list_item() { |
| 19 | local prefix="$1" value="$2" |
| 20 | printf " %s %s\n" "$prefix" "$value" |
| 21 | } |
| 22 | |
| 23 | function ui::print_list() { |
| 24 | local prefix="$1" input="$2" |
| 25 | [[ -z "$input" ]] && return 0 # early return for empty input |
| 26 | while IFS= read -r e; do |
| 27 | [[ -n "$e" ]] && ui::list_item "$prefix" "$e" |
| 28 | done <<< "$input" |
| 29 | } |
| 30 | |
| 31 | function ui::divider() { |
| 32 | local width="${1:-48}" |
| 33 | printf " %s\n" "$(printf '─%.0s' $(seq 1 $width))" |
| 34 | } |
| 35 | |
| 36 | function ui::pad() { |
| 37 | local text="$1" width="${2:-20}" |
| 38 | local visible |
| 39 | visible=$(echo -e "$text" | sed 's/\x1b\[[0-9;]*m//g') |
| 40 | local pad=$(( width - ${#visible} )) |
| 41 | printf "%b%${pad}s" "$text" "" |
| 42 | } |
| 43 | |
| 44 | function ui::pad_mb() { |
| 45 | local text="$1" width="${2:-20}" |
| 46 | local visible |
| 47 | visible=$(printf "%b" "$text" | sed 's/\x1b\[[0-9;]*m//g') |
| 48 | local vis_len |
| 49 | vis_len=$(python3 -c "import sys; print(len(sys.stdin.read().rstrip('\n')))" \ |
| 50 | <<< "$visible") |
| 51 | local pad=$(( width - vis_len )) |
| 52 | [[ $pad -lt 0 ]] && pad=0 |
| 53 | printf "%b%${pad}s" "$text" "" |
| 54 | } |
| 55 | |
| 56 | function ui::vis_len_multi() { |
| 57 | # Get visible lengths of multiple strings in one Python call |
| 58 | # Returns newline-separated integers |
| 59 | python3 -c " |
| 60 | import sys, re |
| 61 | ansi = re.compile(r'\x1b\[[0-9;]*m') |
| 62 | for s in sys.argv[1:]: |
| 63 | print(len(ansi.sub('', s))) |
| 64 | " "$@" |
| 65 | } |
| 66 | |
| 67 | |
| 68 | function ui::pad_status() { |
| 69 | ui::pad "${1:-}" "${2:-25}" |
| 70 | } |
| 71 | |
| 72 | function ui::center() { |
| 73 | local text="$1" width="${2:-8}" |
| 74 | local len=${#text} |
| 75 | local pad=$(( (width - len) / 2 )) |
| 76 | local rpad=$(( width - len - pad )) |
| 77 | printf "%${pad}s%s%${rpad}s" "" "$text" "" |
| 78 | } |
| 79 | |
| 80 | function ui::firewall_rule() { |
| 81 | local rule="$1" |
| 82 | if [[ "$rule" =~ ACCEPT|DNAT ]]; then |
| 83 | printf "\033[0;32m%s\033[0m\n" "$rule" |
| 84 | elif [[ "$rule" =~ DROP ]]; then |
| 85 | printf "\033[0;31m%s\033[0m\n" "$rule" |
| 86 | elif [[ "$rule" =~ NFLOG|LOG ]]; then |
| 87 | printf "\033[0;37m%s\033[0m\n" "$rule" |
| 88 | else |
| 89 | printf "%s\n" "$rule" |
| 90 | fi |
| 91 | } |
| 92 | |
| 93 | # ============================================ |
| 94 | # Content Helpers |
| 95 | # ============================================ |
| 96 | |
| 97 | function ui::has_content() { |
| 98 | # Returns 0 (true) if content exists, 1 if empty |
| 99 | # Works with strings, arrays, or command output |
| 100 | local value="${1:-}" |
| 101 | [[ -n "$value" ]] |
| 102 | } |
| 103 | |
| 104 | function ui::skip_if_empty() { |
| 105 | # Usage: ui::skip_if_empty "$var" || return 0 |
| 106 | # Or: ui::skip_if_empty "${array[*]}" || return 0 |
| 107 | local value="${1:-}" |
| 108 | [[ -z "${value// }" ]] && return 1 || return 0 |
| 109 | } |
| 110 | |
| 111 | function ui::empty() { |
| 112 | local val="${1:-}" |
| 113 | # Empty string or whitespace only |
| 114 | [[ -z "${val// }" ]] && return 0 |
| 115 | # Numeric zero |
| 116 | [[ "$val" =~ ^[0-9]+$ ]] && [[ "$val" -eq 0 ]] && return 0 |
| 117 | return 1 |
| 118 | } |
| 119 | |
| 120 | # Usage: ui::bool "$value" [yes_label] [no_label] |
| 121 | # Default labels: yes / no |
| 122 | function ui::bool() { |
| 123 | local val="${1:-}" yes="${2:-yes}" no="${3:-no}" |
| 124 | [[ "$val" == "true" ]] && echo "$yes" || echo "$no" |
| 125 | } |
| 126 | |
| 127 | # ============================================ |
| 128 | # Prompt |
| 129 | # ============================================ |
| 130 | |
| 131 | function ui::confirm() { |
| 132 | local prompt="${1:-Are you sure?}" |
| 133 | local response |
| 134 | printf " %s [y/N] " "$prompt" |
| 135 | read -r response |
| 136 | [[ "${response,,}" == "y" || "${response,,}" == "yes" ]] |
| 137 | } |