factotum/NOCLIP
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command/parser: sketch out help flag integration

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This is a special case flag that cannot be replicated with the normal
machinery. It's much easier to special case it. So here we go.
This commit is contained in:
torque
2023-04-01 13:04:02 -07:00
parent 7c9273605d
commit c3b31b2274
5 changed files with 80 additions and 34 deletions
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16
demo/demo.zig
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@@ -6,7 +6,11 @@ const CommandBuilder = noclip.CommandBuilder;
const Choice = enum { first, second };
const cli = cmd: {
var cmd = CommandBuilder(u32).init();
var cmd = CommandBuilder(u32).init(
\\The definitive noclip demonstration utility
\\
\\This command demonstrates the functionality of the noclip library. cool!!
);
cmd.add_option(.{ .OutputType = struct { u8, u8 } }, .{
.name = "test",
.short_tag = "-t",
@@ -51,7 +55,11 @@ const cli = cmd: {
};
const subcommand = cmd: {
var cmd = CommandBuilder(void).init();
var cmd = CommandBuilder(void).init(
\\Perform some sort of work
\\
\\This subcommand is a mystery. It probably does something, but nobody is sure what.
);
cmd.add_flag(.{}, .{
.name = "flag",
.truthy = .{ .short_tag = "-f", .long_tag = "--flag" },
@@ -78,10 +86,10 @@ pub fn main() !void {
defer arena.deinit();
const allocator = arena.allocator();
var parser = cli.bind(cli_handler, allocator);
var parser = cli.create_parser(cli_handler, allocator);
var context: u32 = 2;
var subcon = subcommand.bind(sub_handler, allocator);
var subcon = subcommand.create_parser(sub_handler, allocator);
try parser.add_subcommand("verb", subcon.interface());
const iface = parser.interface(&context);