torque
3acc412f2e
the checklist of things to do is continuing to dwindle. hooray. last big feature push is help text generation. Then improving error reporting. Then writing some tests. Then writing documentation. Ay carumba.
90 lines
2.5 KiB
Zig
90 lines
2.5 KiB
Zig
const std = @import("std");
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const noclip = @import("noclip");
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const CommandBuilder = noclip.CommandBuilder;
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const Choice = enum { first, second };
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const cli = cmd: {
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var cmd = CommandBuilder(u32).init();
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cmd.add_option(.{ .OutputType = struct { u8, u8 } }, .{
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.name = "test",
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.short_tag = "-t",
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.long_tag = "--test",
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.env_var = "NOCLIP_TEST",
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});
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cmd.add_option(.{ .OutputType = Choice }, .{
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.name = "choice",
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.short_tag = "-c",
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.long_tag = "--choice",
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.env_var = "NOCLIP_CHOICE",
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});
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cmd.add_option(.{ .OutputType = u32 }, .{
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.name = "default",
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.short_tag = "-d",
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.long_tag = "--default",
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.env_var = "NOCLIP_DEFAULT",
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.default = 100,
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});
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cmd.add_option(.{ .OutputType = u8, .multi = true }, .{
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.name = "multi",
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.short_tag = "-m",
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.long_tag = "--multi",
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.env_var = "NOCLIP_MULTI",
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});
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cmd.add_flag(.{}, .{
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.name = "flag",
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.truthy = .{ .short_tag = "-f", .long_tag = "--flag" },
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.falsy = .{ .long_tag = "--no-flag" },
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.env_var = "NOCLIP_FLAG",
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});
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cmd.add_flag(.{ .multi = true }, .{
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.name = "multiflag",
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.truthy = .{ .short_tag = "-M" },
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.env_var = "NOCLIP_MULTIFLAG",
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});
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cmd.add_argument(.{ .OutputType = []const u8 }, .{
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.name = "arg",
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});
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break :cmd cmd;
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};
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const subcommand = cmd: {
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var cmd = CommandBuilder(void).init();
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cmd.add_flag(.{}, .{
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.name = "flag",
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.truthy = .{ .short_tag = "-f", .long_tag = "--flag" },
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.falsy = .{ .long_tag = "--no-flag" },
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.env_var = "NOCLIP_SUBFLAG",
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});
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cmd.add_argument(.{ .OutputType = []const u8 }, .{ .name = "argument" });
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break :cmd cmd;
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};
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fn sub_handler(_: *void, result: subcommand.Output()) !void {
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std.debug.print("subcommand: {s}\n", .{result.argument});
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}
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fn cli_handler(context: *u32, result: cli.Output()) !void {
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_ = context;
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std.debug.print("callback is working {any}\n", .{result.choice});
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std.debug.print("callback is working {d}\n", .{result.default});
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}
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pub fn main() !void {
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var arena = std.heap.ArenaAllocator.init(std.heap.page_allocator);
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defer arena.deinit();
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const allocator = arena.allocator();
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var parser = cli.bind(cli_handler, allocator);
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var context: u32 = 2;
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var subcon = subcommand.bind(sub_handler, allocator);
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try parser.add_subcommand("verb", subcon.interface());
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const iface = parser.interface(&context);
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try iface.execute();
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}
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