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gistfile1.txt(file creato)
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| 1 | + | function flag::parse() { | |
| 2 | + | local ctx="${_CURRENT_COMMAND:-__global__}" | |
| 3 | + | ||
| 4 | + | # Reset runtime | |
| 5 | + | _FLAG_VALUES=(); _FLAG_ARRAYS=(); _FLAG_SET=(); _FLAG_ARGS=() | |
| 6 | + | ||
| 7 | + | # Check for --help/-h first (fast path) | |
| 8 | + | local arg | |
| 9 | + | for arg in "$@"; do | |
| 10 | + | if [[ "$arg" == "--help" || "$arg" == "-h" ]]; then | |
| 11 | + | local cmd="${_CURRENT_COMMAND%%::*}" | |
| 12 | + | declare -f hook::fire &>/dev/null && \ | |
| 13 | + | hook::fire "command:help:${cmd}" "$cmd" "${_CURRENT_COMMAND##*::}" | |
| 14 | + | return 1 | |
| 15 | + | fi | |
| 16 | + | done | |
| 17 | + | ||
| 18 | + | # Initialize from per-command index (fast — no full registry scan) | |
| 19 | + | local flag key type default_val | |
| 20 | + | for flag in ${_FLAG_INDEX[$ctx]:-}; do | |
| 21 | + | key="${ctx}:${flag}" | |
| 22 | + | [[ -z "${_FLAG_REGISTRY[$key]+x}" ]] && continue | |
| 23 | + | type="${_FLAG_REGISTRY[$key]%%|*}" | |
| 24 | + | default_val="${_FLAG_C_DEFAULT[$key]:-}" | |
| 25 | + | case "$type" in | |
| 26 | + | bool) _FLAG_VALUES["$flag"]="${default_val:-false}" ;; | |
| 27 | + | value) [[ -n "$default_val" ]] && _FLAG_VALUES["$flag"]="$default_val" ;; | |
| 28 | + | array) _FLAG_ARRAYS["$flag"]="" ;; | |
| 29 | + | esac | |
| 30 | + | done | |
| 31 | + | ||
| 32 | + | # Parse args | |
| 33 | + | while [[ $# -gt 0 ]]; do | |
| 34 | + | arg="$1" | |
| 35 | + | ||
| 36 | + | if [[ "$arg" == "--" ]]; then | |
| 37 | + | shift; _FLAG_ARGS+=("$@"); break | |
| 38 | + | fi | |
| 39 | + | ||
| 40 | + | if [[ "$arg" != --* ]]; then | |
| 41 | + | _FLAG_ARGS+=("$arg"); shift; continue | |
| 42 | + | fi | |
| 43 | + | ||
| 44 | + | key="${ctx}:${arg}" | |
| 45 | + | if [[ -z "${_FLAG_REGISTRY[$key]+x}" ]]; then | |
| 46 | + | log::error "Unknown flag: ${arg}"; return 1 | |
| 47 | + | fi | |
| 48 | + | ||
| 49 | + | type="${_FLAG_REGISTRY[$key]%%|*}" | |
| 50 | + | ||
| 51 | + | case "$type" in | |
| 52 | + | bool) | |
| 53 | + | _FLAG_VALUES["$arg"]="true" | |
| 54 | + | _FLAG_SET["$arg"]="1" | |
| 55 | + | shift | |
| 56 | + | ;; | |
| 57 | + | value) | |
| 58 | + | if [[ $# -lt 2 || "$2" == --* ]]; then | |
| 59 | + | log::error "Flag ${arg} requires a value"; return 1 | |
| 60 | + | fi | |
| 61 | + | local val="$2" | |
| 62 | + | local vtype="${_FLAG_C_TYPE[$key]:-}" | |
| 63 | + | if [[ "$vtype" == "int" ]]; then | |
| 64 | + | if ! [[ "$val" =~ ^[0-9]+$ ]]; then | |
| 65 | + | log::error "Flag ${arg} requires an integer, got: ${val}"; return 1 | |
| 66 | + | fi | |
| 67 | + | local min="${_FLAG_C_MIN[$key]:-}" max="${_FLAG_C_MAX[$key]:-}" | |
| 68 | + | [[ -n "$min" && "$val" -lt "$min" ]] && \ | |
| 69 | + | log::error "Flag ${arg} minimum is ${min}, got: ${val}" && return 1 | |
| 70 | + | [[ -n "$max" && "$val" -gt "$max" ]] && \ | |
| 71 | + | log::error "Flag ${arg} maximum is ${max}, got: ${val}" && return 1 | |
| 72 | + | fi | |
| 73 | + | local choices="${_FLAG_C_CHOICES[$key]:-}" | |
| 74 | + | if [[ -n "$choices" ]]; then | |
| 75 | + | local valid=false choice | |
| 76 | + | local OLD_IFS="$IFS" | |
| 77 | + | IFS='|' | |
| 78 | + | local -a choice_list=($choices) | |
| 79 | + | IFS="$OLD_IFS" | |
| 80 | + | local choice | |
| 81 | + | for choice in "${choice_list[@]}"; do | |
| 82 | + | [[ "$val" == "$choice" ]] && valid=true && break | |
| 83 | + | done | |
| 84 | + | unset IFS | |
| 85 | + | if ! $valid; then | |
| 86 | + | log::error "Flag ${arg} must be one of: ${choices//|/, }, got: ${val}" | |
| 87 | + | return 1 | |
| 88 | + | fi | |
| 89 | + | fi | |
| 90 | + | _FLAG_VALUES["$arg"]="$val" | |
| 91 | + | _FLAG_SET["$arg"]="1" | |
| 92 | + | shift 2 | |
| 93 | + | ;; | |
| 94 | + | array) | |
| 95 | + | if [[ $# -lt 2 || "$2" == --* ]]; then | |
| 96 | + | log::error "Flag ${arg} requires a value"; return 1 | |
| 97 | + | fi | |
| 98 | + | if [[ -n "${_FLAG_ARRAYS[$arg]:-}" ]]; then | |
| 99 | + | _FLAG_ARRAYS["$arg"]+=$'\n'"$2" | |
| 100 | + | else | |
| 101 | + | _FLAG_ARRAYS["$arg"]="$2" | |
| 102 | + | fi | |
| 103 | + | _FLAG_SET["$arg"]="1" | |
| 104 | + | shift 2 | |
| 105 | + | ;; | |
| 106 | + | esac | |
| 107 | + | done | |
| 108 | + | ||
| 109 | + | # Validate required | |
| 110 | + | for flag in ${_FLAG_INDEX[$ctx]:-}; do | |
| 111 | + | key="${ctx}:${flag}" | |
| 112 | + | [[ -z "${_FLAG_C_REQUIRED[$key]:-}" ]] && continue | |
| 113 | + | if [[ -z "${_FLAG_SET[$flag]+x}" && -z "${_FLAG_VALUES[$flag]:-}" ]]; then | |
| 114 | + | log::error "Flag ${flag} is required"; return 1 | |
| 115 | + | fi | |
| 116 | + | done | |
| 117 | + | ||
| 118 | + | # Validate exclusive groups | |
| 119 | + | local groups="${_FLAG_EXCLUSIVE_GROUPS[${_CURRENT_COMMAND%%::*}]:-}" | |
| 120 | + | if [[ -n "$groups" ]]; then | |
| 121 | + | local group | |
| 122 | + | while IFS= read -r group; do | |
| 123 | + | [[ -z "$group" ]] && continue | |
| 124 | + | local -a members=() | |
| 125 | + | local OLD_IFS="$IFS"; IFS=','; read -ra members <<< "$group"; IFS="$OLD_IFS" | |
| 126 | + | local found_count=0 found_flags="" member | |
| 127 | + | for member in "${members[@]}"; do | |
| 128 | + | flag::set "$member" && (( found_count++ )) && found_flags+=" $member" | |
| 129 | + | done | |
| 130 | + | if [[ $found_count -gt 1 ]]; then | |
| 131 | + | log::error "Flags${found_flags} are mutually exclusive"; return 1 | |
| 132 | + | fi | |
| 133 | + | done < <(printf '%s' "$groups" | tr '|' '\n') | |
| 134 | + | fi | |
| 135 | + | ||
| 136 | + | return 0 | |
| 137 | + | } | |
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