nightwatch/examples/simple-variant.zig

45 lines
1.8 KiB
Zig

//! Minimal nightwatch example: watch the current directory with an
//! explicitly selected backend variant and print every event to stderr.
//!
//! Build and run (from this directory):
//!
//! zig build-exe --dep nightwatch -Msimple-variant=simple-variant.zig -Mnightwatch=../src/nightwatch.zig
//! ./simple-variant
const nightwatch = @import("nightwatch");
const std = @import("std");
// Select a backend variant explicitly by passing a nightwatch.Variant value to
// nightwatch.Create(). The available variants depend on the target platform:
//
// Linux: .threaded (default), .polling
// macOS (kqueue): .kqueue (default), .kqueuedir
// macOS (FSEvents): .fsevents (default), .kqueue, .kqueuedir
// FreeBSD/OpenBSD/etc.: .kqueue (default), .kqueuedir
// Windows: .windows
//
// Replace nightwatch.default_variant below with any variant from the list above.
const Watcher = nightwatch.Create(nightwatch.default_variant);
const H = struct {
handler: Watcher.Handler,
const vtable = Watcher.Handler.VTable{ .change = change, .rename = rename };
fn change(_: *Watcher.Handler, path: []const u8, event: nightwatch.EventType, _: nightwatch.ObjectType) error{HandlerFailed}!void {
std.debug.print("{s} {s}\n", .{ @tagName(event), path });
}
fn rename(_: *Watcher.Handler, src: []const u8, dst: []const u8, _: nightwatch.ObjectType) error{HandlerFailed}!void {
std.debug.print("rename {s} -> {s}\n", .{ src, dst });
}
};
pub fn main() !void {
const allocator = std.heap.page_allocator;
var h = H{ .handler = .{ .vtable = &H.vtable } };
var watcher = try Watcher.init(allocator, &h.handler);
defer watcher.deinit();
try watcher.watch(".");
std.Thread.sleep(std.time.ns_per_s * 60);
}