Revision of gistfile1.txt

1 file changed, 66 insertions

gistfile1.txt(file created)

		@@ -0,0 +1,66 @@
1	+	#!/usr/bin/env bash
2	+
3	+	# ============================================
4	+	# Flag Registry
5	+	# ============================================
6	+
7	+	declare -A _REGISTERED_FLAGS=()
8	+
9	+	# ============================================
10	+	# Registration
11	+	# ============================================
12	+
13	+	function flag::register() {
14	+	local flag="$1"
15	+	_REGISTERED_FLAGS["$flag"]=1
16	+	}
17	+
18	+	function flag::registered() {
19	+	[[ -n "${_REGISTERED_FLAGS["$1"]:-}" ]]
20	+	}
21	+
22	+	# ============================================
23	+	# Parsing
24	+	# ============================================
25	+
26	+	# Parse flags from args into associative array
27	+	# Usage: flag::parse "$@"
28	+	# Access: flag::get --name
29	+	declare -A _FLAG_VALUES=()
30	+
31	+	function flag::parse() {
32	+	_FLAG_VALUES=()
33	+
34	+	while [[ $# -gt 0 ]]; do
35	+	case "$1" in
36	+	--*)
37	+	local key="$1"
38	+	# Boolean flag (no value follows, or next arg is another flag)
39	+	if [[ $# -eq 1 \|\| "$2" == --* ]]; then
40	+	_FLAG_VALUES["$key"]="true"
41	+	shift
42	+	else
43	+	_FLAG_VALUES["$key"]="$2"
44	+	shift 2
45	+	fi
46	+	;;
47	+	*)
48	+	shift
49	+	;;
50	+	esac
51	+	done
52	+	}
53	+
54	+	function flag::get() {
55	+	echo "${_FLAG_VALUES["$1"]:-}"
56	+	}
57	+
58	+	function flag::enabled() {
59	+	[[ "${_FLAG_VALUES["$1"]:-}" == "true" ]]
60	+	}
61	+
62	+	function flag::set() {
63	+	local key="$1"
64	+	local value="$2"
65	+	_FLAG_VALUES["$key"]="$value"
66	+	}

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