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Nasal-Interpreter
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✨ finish parse trigger command

This commit is contained in:
ValKmjolnir 2023-12-10 00:18:46 +08:00
parent 43ff63dc83
commit 734aec1bc2
2 changed files with 36 additions and 17 deletions
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38
std/argparse.nas
View File

@ -11,8 +11,10 @@ var new = func(description) {
add_subparser: func(name, help) {
return _add_subparser(parser, name, help);
},
parse: func() {
return _parse(parser, _arg);
parse_args: func() {
var result_hash = {};
_parse(parser, _arg, result_hash);
return result_hash;
}
};
parser.add_command("--help", "-h", "Get help info and exit");
@ -52,30 +54,42 @@ var _help = func(parser) {
}
}
var _parse = func(parser, args) {
var _parse = func(parser, args, result_hash) {
if (size(args)==0) {
println("Require more command, use \"--help\" to get help.\n");
_help(parser);
return;
exit(0);
}
var first_arg = args[0];
foreach(var subparser; parser.subparser) {
if (subparser.name==first_arg) {
return _parse(subparser.parser, size(args)>1? args[1:]:[]);
result_hash[subparser.name] = true;
_parse(subparser.parser, size(args)>1? args[1:]:[], result_hash);
return;
}
}
foreach(var cmd; parser.command_list) {
if (first_arg=="--help" or first_arg=="-h") {
foreach(var this_arg; args) {
var find_command_flag = false;
foreach(var cmd; parser.command_list) {
if (this_arg=="--help" or this_arg=="-h") {
_help(parser);
exit(0);
}
if (this_arg==cmd.full_name or this_arg==cmd.short_name) {
result_hash[cmd.full_name] = true;
find_command_flag = true;
}
}
if (!find_command_flag) {
println("Invalid command `", this_arg, "`.\n");
_help(parser);
exit(0);
}
if (first_arg==cmd.full_name or first_arg==cmd.short_name) {
return "[WIP]";
}
}
# unreachable
println("Invalid command `", first_arg, "`\n");
println("Invalid command `", first_arg, "`.\n");
_help(parser);
return;
exit(0);
}
var _add_command = func(parser, long, short, help) {

15
test/argparse_test.nas
View File

@ -1,7 +1,12 @@
use std.argparse;
var args = argparse.new("test cli");
args.add_command("--what", "-w", "what-what");
var subparser0 = args.add_subparser("subcommand0", "what-what");
subparser0.add_command("--sub-what", "-sw", "sub-what-what");
args.parse();
var args = argparse.new("Nasal ArgParse Test CLI");
args.add_command("--what", "-wa", "what-command");
args.add_command("--who", "-wo", "who-command");
args.add_command("--where", "-we", "where-command");
var subparser0 = args.add_subparser("subcommand0", "Nasal ArgParse Test CLI Sub-command 0");
subparser0.add_command("--sub0-what", "-s0w", "sub0-what-command");
var subparser1 = args.add_subparser("subcommand1", "Nasal ArgParse Test CLI Sub-command 1");
subparser1.add_command("--sub1-what", "-s1w", "sub1-what-command");
var result = args.parse_args();
println(result);