wgctl/core/command.sh
2026-05-06 23:02:12 +00:00

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#!/usr/bin/env bash
# ============================================
# Command Registry
# ============================================
declare -A _LOADED_COMMANDS=()
readonly _COMMAND_NAMESPACE="cmd"
readonly _COMMAND_AUTO_LOAD_HOOK="on_load"
# ============================================
# Helpers
# ============================================
function command::loaded() { [[ -n "${_LOADED_COMMANDS["$1"]:-}" ]]; }
# Convert path-style name to namespace
# e.g. service/wireguard -> service::wireguard
function command::to_namespace() { echo "${1//\//:}"; }
# Build fully qualified function name
# e.g. command::fn "add" "run" -> cmd::add::run
# e.g. command::fn "service/wg" "run" -> cmd::service::wg::run
function command::fn() {
local name namespace
namespace=$(command::to_namespace "$1")
echo "${_COMMAND_NAMESPACE}::${namespace}::${2}"
}
function command::has_function() { declare -F "$(command::fn "$1" "$2")" >/dev/null 2>&1; }
function command::is_auto_load() { declare -F "$(command::fn "$1" on_load)" >/dev/null 2>&1; }
function command::exists() { command::has_function "$1" run; }
# ============================================
# Runner
# ============================================
function command::run() {
local cmd="$1"
shift
local fn
fn=$(command::fn "$cmd" run)
core::call_function "$fn" "$@"
}
function core::call_function() {
local fn="$1"
shift
"$fn" "$@"
}
# ============================================
# Loader
# ============================================
function load_command() {
local name="$1"
command::loaded "$name" && return 0
local path
path="$(ctx::commands)/${name}.command.sh"
if [[ ! -f "$path" ]]; then
log::error "Command not found: ${name} (${path})"
return 1
fi
source "$path"
_LOADED_COMMANDS["$name"]=1
core::call_if_exists "$(command::fn "$name" on_load)"
return 0
}