simonkellet/odin-flags
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help flag now follows custom formatting

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Simon Kellet 2026-07-09 16:32:34 +01:00
parent ce9cd30cae
commit 49eaaeabf5
1 changed files with 14 additions and 2 deletions
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16
fleg/flag.odin
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@ -26,7 +26,10 @@ Flag :: struct {
parsed: bool, // sck: flag to check if it has been parsed parsed: bool, // sck: flag to check if it has been parsed
} }
// Global dynamic array of Flags
all_flags: [dynamic]Flag all_flags: [dynamic]Flag
// runtime allocator for the flags
flag_allocator: runtime.Allocator flag_allocator: runtime.Allocator
// sck: Used to create a customer allocator // sck: Used to create a customer allocator
@ -95,21 +98,30 @@ Float64Var :: proc(ptr: ^f64, name: string, default: f64, usage: string) {
} }
parse_flags :: proc() { parse_flags :: proc() {
// sck: We cannot have the start and seperator formats being the same
// ...leads to parsing errors...
if FLAG_START_CHAR == FLAG_SEP_CHAR {
fmt.println("[ERROR]: FLAG_START_CHAR and FLAG_SEP_CHAR cannot be the same!")
fmt.printfln("\t FLAG_START_CHAR= \"%s\"\t FLAG_SEP_CHAR= \"%s\"", FLAG_START_CHAR, FLAG_SEP_CHAR)
os.exit(1)
}
if len(os.args) < 2 && FORCE_HELP_ON_EMPTY_ARGS {print_usage()} if len(os.args) < 2 && FORCE_HELP_ON_EMPTY_ARGS {print_usage()}
for &a in os.args { for &a in os.args {
if a == "-h" || a == "-help" || a == "--help" {print_usage()} if a == "-h" || a == "-help" || a == "--help" {print_usage()}
// sck: if the user has a custom flag format, copy that to the help flag too.
if a == fmt.aprintf("%s%s", FLAG_START_CHAR, "help", allocator = flag_allocator) {print_usage()}
if a == fmt.aprintf("%s%s", FLAG_START_CHAR, "h", allocator = flag_allocator) {print_usage()}
if a == os.args[0] {continue} if a == os.args[0] {continue}
for &f in all_flags { for &f in all_flags {
if f.parsed {continue} if f.parsed {continue}
//a = strings.trim_prefix(a, "-")
a = strings.trim_prefix(a, FLAG_START_CHAR) a = strings.trim_prefix(a, FLAG_START_CHAR)
name := a name := a
value: string value: string
//split := strings.index_any(a, "=")
split := strings.index_any(a, FLAG_SEP_CHAR) split := strings.index_any(a, FLAG_SEP_CHAR)
if split >= 0 { if split >= 0 {
name = a[:split] name = a[:split]