nuno 已修改 1 month ago. 還原成這個修訂版本
1 file changed, 202 insertions
gistfile1.txt(檔案已創建)
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| 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 | + | " "$@" | |
| 65 | + | } | |
| 66 | + | ||
| 67 | + | # ui::vis_len <string> | |
| 68 | + | # Returns the visible (character) length of a string, | |
| 69 | + | # stripping ANSI codes and accounting for multi-byte UTF-8. | |
| 70 | + | function ui::vis_len() { | |
| 71 | + | local str="${1:-}" | |
| 72 | + | # Strip ANSI codes first | |
| 73 | + | local clean | |
| 74 | + | clean=$(echo "$str" | sed 's/\x1b\[[0-9;]*m//g') | |
| 75 | + | # Use Python for accurate Unicode character count | |
| 76 | + | python3 -c "import sys; print(len('${clean//\'/\'\\\'\'}'))" 2>/dev/null || echo "${#clean}" | |
| 77 | + | } | |
| 78 | + | ||
| 79 | + | # ui::pad_to_col <string_bytes_printed> <target_visible_col> | |
| 80 | + | # Returns padding needed accounting for UTF-8 byte/char difference. | |
| 81 | + | # extra_bytes = bytes_printed - visible_chars_printed | |
| 82 | + | function ui::utf8_extra_bytes() { | |
| 83 | + | local str="${1:-}" | |
| 84 | + | local byte_len=${#str} | |
| 85 | + | local vis_len | |
| 86 | + | vis_len=$(ui::vis_len "$str") | |
| 87 | + | echo $(( byte_len - vis_len )) | |
| 88 | + | } | |
| 89 | + | ||
| 90 | + | ||
| 91 | + | function ui::pad_status() { | |
| 92 | + | ui::pad "${1:-}" "${2:-25}" | |
| 93 | + | } | |
| 94 | + | ||
| 95 | + | function ui::center() { | |
| 96 | + | local text="$1" width="${2:-8}" | |
| 97 | + | local len=${#text} | |
| 98 | + | local pad=$(( (width - len) / 2 )) | |
| 99 | + | local rpad=$(( width - len - pad )) | |
| 100 | + | printf "%${pad}s%s%${rpad}s" "" "$text" "" | |
| 101 | + | } | |
| 102 | + | ||
| 103 | + | # ui::measure_col <data> <field_index> [min_width] | |
| 104 | + | # Scans pipe-delimited data and returns the max visible width | |
| 105 | + | # of the field at field_index (1-based), with optional minimum. | |
| 106 | + | # Strips ANSI codes before measuring. | |
| 107 | + | # Usage: | |
| 108 | + | # name_width=$(ui::measure_col "$data" 1 10) | |
| 109 | + | # ip_width=$(ui::measure_col "$data" 2 14) | |
| 110 | + | function ui::measure_col() { | |
| 111 | + | local data="${1:-}" field_index="${2:-1}" min_width="${3:-0}" | |
| 112 | + | local max=$min_width | |
| 113 | + | ||
| 114 | + | while IFS='|' read -r line; do | |
| 115 | + | local val | |
| 116 | + | val=$(echo "$line" | cut -d'|' -f"$field_index") | |
| 117 | + | # Strip ANSI codes for accurate measurement | |
| 118 | + | local clean | |
| 119 | + | clean=$(echo "$val" | sed 's/\x1b\[[0-9;]*m//g') | |
| 120 | + | local len=${#clean} | |
| 121 | + | (( len > max )) && max=$len | |
| 122 | + | done <<< "$data" | |
| 123 | + | ||
| 124 | + | echo $max | |
| 125 | + | } | |
| 126 | + | ||
| 127 | + | # ui::measure_cols <data> <field_indices...> | |
| 128 | + | # Measure multiple columns at once, returns space-separated widths. | |
| 129 | + | # Usage: read -r w1 w2 w3 <<< $(ui::measure_cols "$data" 1 2 3) | |
| 130 | + | function ui::measure_cols() { | |
| 131 | + | local data="${1:-}" | |
| 132 | + | shift | |
| 133 | + | local widths=() | |
| 134 | + | for idx in "$@"; do | |
| 135 | + | widths+=("$(ui::measure_col "$data" "$idx")") | |
| 136 | + | done | |
| 137 | + | echo "${widths[*]}" | |
| 138 | + | } | |
| 139 | + | ||
| 140 | + | function ui::sort_rows() { | |
| 141 | + | local field="${1:-1}" | |
| 142 | + | sort -t'|' -k"${field},${field}V" | |
| 143 | + | } | |
| 144 | + | ||
| 145 | + | function ui::firewall_rule() { | |
| 146 | + | local rule="$1" | |
| 147 | + | if [[ "$rule" =~ ACCEPT|DNAT ]]; then | |
| 148 | + | printf "\033[0;32m%s\033[0m\n" "$rule" | |
| 149 | + | elif [[ "$rule" =~ DROP ]]; then | |
| 150 | + | printf "\033[0;31m%s\033[0m\n" "$rule" | |
| 151 | + | elif [[ "$rule" =~ NFLOG|LOG ]]; then | |
| 152 | + | printf "\033[0;37m%s\033[0m\n" "$rule" | |
| 153 | + | else | |
| 154 | + | printf "%s\n" "$rule" | |
| 155 | + | fi | |
| 156 | + | } | |
| 157 | + | ||
| 158 | + | # ============================================ | |
| 159 | + | # Content Helpers | |
| 160 | + | # ============================================ | |
| 161 | + | ||
| 162 | + | function ui::has_content() { | |
| 163 | + | # Returns 0 (true) if content exists, 1 if empty | |
| 164 | + | # Works with strings, arrays, or command output | |
| 165 | + | local value="${1:-}" | |
| 166 | + | [[ -n "$value" ]] | |
| 167 | + | } | |
| 168 | + | ||
| 169 | + | function ui::skip_if_empty() { | |
| 170 | + | # Usage: ui::skip_if_empty "$var" || return 0 | |
| 171 | + | # Or: ui::skip_if_empty "${array[*]}" || return 0 | |
| 172 | + | local value="${1:-}" | |
| 173 | + | [[ -z "${value// }" ]] && return 1 || return 0 | |
| 174 | + | } | |
| 175 | + | ||
| 176 | + | function ui::empty() { | |
| 177 | + | local val="${1:-}" | |
| 178 | + | # Empty string or whitespace only | |
| 179 | + | [[ -z "${val// }" ]] && return 0 | |
| 180 | + | # Numeric zero | |
| 181 | + | [[ "$val" =~ ^[0-9]+$ ]] && [[ "$val" -eq 0 ]] && return 0 | |
| 182 | + | return 1 | |
| 183 | + | } | |
| 184 | + | ||
| 185 | + | # Usage: ui::bool "$value" [yes_label] [no_label] | |
| 186 | + | # Default labels: yes / no | |
| 187 | + | function ui::bool() { | |
| 188 | + | local val="${1:-}" yes="${2:-yes}" no="${3:-no}" | |
| 189 | + | [[ "$val" == "true" ]] && echo "$yes" || echo "$no" | |
| 190 | + | } | |
| 191 | + | ||
| 192 | + | # ============================================ | |
| 193 | + | # Prompt | |
| 194 | + | # ============================================ | |
| 195 | + | ||
| 196 | + | function ui::confirm() { | |
| 197 | + | local prompt="${1:-Are you sure?}" | |
| 198 | + | local response | |
| 199 | + | printf " %s [y/N] " "$prompt" | |
| 200 | + | read -r response | |
| 201 | + | [[ "${response,,}" == "y" || "${response,,}" == "yes" ]] | |
| 202 | + | } | |
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