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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,164 @@ | ||
| FileWatch :: struct #base FileWatchBase { | ||
| loop_mode: CFStringRef; | ||
| } | ||
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| #scope_module | ||
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| WatchDirData :: struct { | ||
| stream: FSEventStreamRef; | ||
| ctx: *CallbackContext; | ||
| is_first_run: bool; | ||
| } | ||
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| init_dir_watch :: fn (_: *FileWatch, w: *Watch, _: string_view) Error { | ||
| w.kind = Watch.kind.DIR; | ||
| w.data.dir.is_first_run = true; | ||
| return OK; | ||
| } | ||
|
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| terminate_dir_watch :: fn (w: *Watch) { | ||
| uninstall_dir_recursive(w); | ||
| } | ||
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| get_file_timestamp :: fn (filepath: string_view) (t: u64, err: Error) { | ||
| using C; | ||
| file_stat: stat_t #noinit; | ||
| if stat(strtoc(filepath), &file_stat) == -1 { | ||
| return 0, os_get_last_error2(); | ||
| } | ||
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| s :: cast(u64) file_stat.st_mtimespec.tv_sec; | ||
| ns :: cast(u64) file_stat.st_mtimespec.tv_nsec; | ||
|
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| return s * 1000 + ns / 1000000, OK; | ||
| } | ||
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| worker_on_init :: fn (fw: *FileWatch) { | ||
| fw.loop_mode = CFStringCreateWithCString(null, auto strtoc("kCFRunLoopDefaultMode"), CFStringEncoding.UTF8); | ||
| } | ||
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| worker_on_terminate :: fn (fw: *FileWatch) { | ||
| CFRelease(fw.loop_mode); | ||
| } | ||
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| poll_event_loop :: fn (fw: *FileWatch) { | ||
| CFRunLoopRunInMode(fw.loop_mode, 0., 0); | ||
| } | ||
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| process_watch_dir :: fn (fw: *FileWatch, w: *Watch, path: string_view) Error { | ||
| using WatchEvent.kind; | ||
|
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| if !file_exist(path) { | ||
| if !w.is_removed { | ||
| w.is_removed = true; | ||
| uninstall_dir_recursive(w); | ||
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| schedule_event(w, DIR_REMOVED); | ||
| } | ||
| } else if w.data.dir.is_first_run { | ||
| w.data.dir.is_first_run = false; | ||
| install_dir_recursive(fw, w, path) catch return $; | ||
| } else if w.is_removed { | ||
| w.is_removed = false; | ||
| install_dir_recursive(fw, w, path) catch return $; | ||
|
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| schedule_event(w, DIR_CHANGED); | ||
| } else { | ||
| assert(!w.is_removed); | ||
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| ctx :: w.data.dir.ctx; | ||
| assert(ctx); | ||
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| if ctx.has_changes { | ||
| ctx.has_changes = false; | ||
| schedule_event(w, DIR_CHANGED); | ||
| } | ||
| } | ||
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| return OK; | ||
| } | ||
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| #scope_private | ||
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| C :: #import "libc"; | ||
| #import "os/macos" | ||
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| CallbackContext :: struct { | ||
| has_changes: bool; | ||
| } | ||
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| install_dir_recursive :: fn (fw: *FileWatch, w: *Watch, dirpath: string_view) Error { | ||
| uninstall_dir_recursive(w); | ||
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| path :: CFStringCreateWithBytes(kCFAllocatorDefault, auto dirpath.ptr, dirpath.len, CFStringEncoding.UTF8, 0); | ||
| paths :: CFArrayCreate(null, &path, 1, null); | ||
| latency :: 1.0; | ||
|
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| ctx :: new(CallbackContext); | ||
| w.data.dir.ctx = ctx; | ||
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| callback_ctx :: FSEventStreamContext.{ | ||
| info = auto ctx, | ||
| }; | ||
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| change_callback :: fn ( | ||
| _: ConstFSEventStreamRef, | ||
| ctx: *CallbackContext, | ||
| num_events: usize, | ||
| _: *u8, | ||
| flags: *FSEventStreamEventFlags, | ||
| _: *FSEventStreamEventId | ||
| ) { | ||
| event_flags :: []FSEventStreamEventFlags.{ auto num_events, flags }; | ||
| loop i := 0; i < event_flags.len; i += 1 { | ||
|
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| // print_log("%", fmt_int(event_flags[i], FmtIntBase.HEX)); | ||
|
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| if is_flag(event_flags[i], kFSEventStreamEventFlagItemCreated | kFSEventStreamEventFlagItemIsFile) { | ||
| ctx.has_changes = true; | ||
| } | ||
| if is_flag(event_flags[i], kFSEventStreamEventFlagItemCreated | kFSEventStreamEventFlagItemIsDir) { | ||
| ctx.has_changes = true; | ||
| } | ||
| if is_flag(event_flags[i], kFSEventStreamEventFlagItemRemoved | kFSEventStreamEventFlagItemIsFile) { | ||
| ctx.has_changes = true; | ||
| } | ||
| if is_flag(event_flags[i], kFSEventStreamEventFlagItemRemoved | kFSEventStreamEventFlagItemIsDir) { | ||
| ctx.has_changes = true; | ||
| } | ||
| if is_flag(event_flags[i], kFSEventStreamEventFlagItemRenamed | kFSEventStreamEventFlagItemIsFile) { | ||
| ctx.has_changes = true; | ||
| } | ||
| if is_flag(event_flags[i], kFSEventStreamEventFlagItemRenamed | kFSEventStreamEventFlagItemIsDir) { | ||
| ctx.has_changes = true; | ||
| } | ||
|
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| if ctx.has_changes then break; | ||
| } | ||
| }; | ||
|
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| stream :: FSEventStreamCreate(null, auto &change_callback, &callback_ctx, paths, kFSEventStreamEventIdSinceNow, latency, kFSEventStreamCreateFlagFileEvents); | ||
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| FSEventStreamScheduleWithRunLoop(stream, CFRunLoopGetCurrent(), fw.loop_mode); | ||
| FSEventStreamStart(stream); | ||
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| w.data.dir.stream = stream; | ||
| return OK; | ||
| } | ||
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| uninstall_dir_recursive :: fn (w: *Watch) Error { | ||
| assert(w.kind == Watch.kind.DIR); | ||
| if !w.data.dir.ctx then return OK; | ||
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| stream :: w.data.dir.stream; | ||
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| FSEventStreamStop(stream); | ||
| FSEventStreamInvalidate(stream); | ||
| FSEventStreamRelease(stream); | ||
|
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| free(auto w.data.dir.ctx); | ||
| w.data.dir.ctx = null; | ||
|
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| return OK; | ||
| } |
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