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//! nav - Navigate the filesystem
const colors = @import("colors");
const format = @import("format");
const io = @import("io");
const params = @import("params");
const sys = @import("sys");
var location_buf: [256]u8 = undefined;
export fn main(pc: u32, pv: [*]const [*:0]const u8) u8 {
const p = params.parse(pc, pv) catch |err| {
format.color("nav: ", colors.red);
format.println(@errorName(err));
return 1;
};
// No params - print current location
if (p.positionals.len == 0) {
const location = io.getlocation(&location_buf) catch {
format.colorln("nav: cannot get current location.", colors.red);
return 1;
};
format.colorln(location, colors.green);
return 0;
}
if (p.positionals.len > 1) {
format.colorln("nav: invalid number of positional parameters.", colors.red);
return 1;
}
if (p.named.len > 0) {
format.colorln("nav: named parameters are not supported.", colors.red);
return 1;
}
// Get target from first positional
const target = switch (p.positional(0).?) {
.scalar => |s| s,
.list => {
format.colorln("nav: only one location allowed", colors.red);
return 1;
},
};
io.setlocation(target) catch {
format.color("nav: cannot navigate to '", colors.red);
format.print(target);
format.colorln("': No such stack.", colors.red);
return 1;
};
return 0;
}
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