mirror of
https://github.com/MasterQ32/zig-args.git
synced 2024-09-08 00:25:42 +02:00
86 lines
2.7 KiB
Zig
86 lines
2.7 KiB
Zig
const std = @import("std");
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const argsParser = @import("args");
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pub fn main() !u8 {
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const argsAllocator = std.heap.page_allocator;
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const options = argsParser.parseWithVerbForCurrentProcess(
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struct {
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// this declares long option that can come before or after verb
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output: ?[]const u8 = null,
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// This declares short-hand options for single hyphen
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pub const shorthands = .{
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.o = "output",
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};
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},
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union(enum) {
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compact: struct {
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// This declares long options for double hyphen
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host: ?[]const u8 = null,
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port: u16 = 3420,
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mode: enum { default, special, slow, fast } = .default,
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// This declares short-hand options for single hyphen
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pub const shorthands = .{
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.H = "host",
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.p = "port",
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};
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},
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reload: struct {
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// This declares long options for double hyphen
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force: bool = false,
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// This declares short-hand options for single hyphen
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pub const shorthands = .{
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.f = "force",
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};
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},
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forward: void,
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@"zero-sized": struct {},
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},
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argsAllocator,
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.print,
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) catch return 1;
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defer options.deinit();
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std.debug.print("executable name: {?s}\n", .{options.executable_name});
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// non-verb/global options
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inline for (std.meta.fields(@TypeOf(options.options))) |fld| {
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std.debug.print("\t{s} = {any}\n", .{
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fld.name,
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@field(options.options, fld.name),
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});
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}
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// verb options
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if (options.verb) |verb| {
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switch (verb) {
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.compact => |opts| {
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inline for (std.meta.fields(@TypeOf(opts))) |fld| {
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std.debug.print("\t{s} = {any}\n", .{
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fld.name,
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@field(opts, fld.name),
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});
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}
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},
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.reload => |opts| {
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inline for (std.meta.fields(@TypeOf(opts))) |fld| {
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std.debug.print("\t{s} = {any}\n", .{
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fld.name,
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@field(opts, fld.name),
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});
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}
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},
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.forward => std.debug.print("\t`forward` verb with no options received\n", .{}),
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.@"zero-sized" => std.debug.print("\t`zero-sized` verb received\n", .{}),
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}
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}
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std.debug.print("parsed positionals:\n", .{});
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for (options.positionals) |arg| {
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std.debug.print("\t'{s}'\n", .{arg});
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}
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return 0;
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}
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