1use anyhow::{anyhow, Context as _, Result};
2use collections::{btree_map, hash_map, BTreeMap, HashMap};
3use ec4rs::{ConfigParser, PropertiesSource, Section};
4use fs::Fs;
5use futures::{channel::mpsc, future::LocalBoxFuture, FutureExt, StreamExt};
6use gpui::{App, AsyncApp, BorrowAppContext, Global, Task, UpdateGlobal};
7
8use paths::{local_settings_file_relative_path, EDITORCONFIG_NAME};
9use schemars::{gen::SchemaGenerator, schema::RootSchema, JsonSchema};
10use serde::{de::DeserializeOwned, Deserialize, Serialize};
11use smallvec::SmallVec;
12use std::{
13 any::{type_name, Any, TypeId},
14 fmt::Debug,
15 ops::Range,
16 path::{Path, PathBuf},
17 str::{self, FromStr},
18 sync::{Arc, LazyLock},
19};
20use streaming_iterator::StreamingIterator;
21use tree_sitter::Query;
22use util::RangeExt;
23
24use util::{merge_non_null_json_value_into, ResultExt as _};
25
26pub type EditorconfigProperties = ec4rs::Properties;
27
28use crate::{SettingsJsonSchemaParams, WorktreeId};
29
30/// A value that can be defined as a user setting.
31///
32/// Settings can be loaded from a combination of multiple JSON files.
33pub trait Settings: 'static + Send + Sync {
34 /// The name of a key within the JSON file from which this setting should
35 /// be deserialized. If this is `None`, then the setting will be deserialized
36 /// from the root object.
37 const KEY: Option<&'static str>;
38
39 /// The name of the keys in the [`FileContent`](Self::FileContent) that should
40 /// always be written to a settings file, even if their value matches the default
41 /// value.
42 ///
43 /// This is useful for tagged [`FileContent`](Self::FileContent)s where the tag
44 /// is a "version" field that should always be persisted, even if the current
45 /// user settings match the current version of the settings.
46 const PRESERVED_KEYS: Option<&'static [&'static str]> = None;
47
48 /// The type that is stored in an individual JSON file.
49 type FileContent: Clone + Default + Serialize + DeserializeOwned + JsonSchema;
50
51 /// The logic for combining together values from one or more JSON files into the
52 /// final value for this setting.
53 fn load(sources: SettingsSources<Self::FileContent>, cx: &mut App) -> Result<Self>
54 where
55 Self: Sized;
56
57 fn json_schema(
58 generator: &mut SchemaGenerator,
59 _: &SettingsJsonSchemaParams,
60 _: &App,
61 ) -> RootSchema {
62 generator.root_schema_for::<Self::FileContent>()
63 }
64
65 fn missing_default() -> anyhow::Error {
66 anyhow::anyhow!("missing default")
67 }
68
69 #[track_caller]
70 fn register(cx: &mut App)
71 where
72 Self: Sized,
73 {
74 SettingsStore::update_global(cx, |store, cx| {
75 store.register_setting::<Self>(cx);
76 });
77 }
78
79 #[track_caller]
80 fn get<'a>(path: Option<SettingsLocation>, cx: &'a App) -> &'a Self
81 where
82 Self: Sized,
83 {
84 cx.global::<SettingsStore>().get(path)
85 }
86
87 #[track_caller]
88 fn get_global(cx: &App) -> &Self
89 where
90 Self: Sized,
91 {
92 cx.global::<SettingsStore>().get(None)
93 }
94
95 #[track_caller]
96 fn try_read_global<R>(cx: &AsyncApp, f: impl FnOnce(&Self) -> R) -> Option<R>
97 where
98 Self: Sized,
99 {
100 cx.try_read_global(|s: &SettingsStore, _| f(s.get(None)))
101 }
102
103 #[track_caller]
104 fn override_global(settings: Self, cx: &mut App)
105 where
106 Self: Sized,
107 {
108 cx.global_mut::<SettingsStore>().override_global(settings)
109 }
110}
111
112#[derive(Clone, Copy, Debug)]
113pub struct SettingsSources<'a, T> {
114 /// The default Zed settings.
115 pub default: &'a T,
116 /// Settings provided by extensions.
117 pub extensions: Option<&'a T>,
118 /// The user settings.
119 pub user: Option<&'a T>,
120 /// The user settings for the current release channel.
121 pub release_channel: Option<&'a T>,
122 /// The server's settings.
123 pub server: Option<&'a T>,
124 /// The project settings, ordered from least specific to most specific.
125 pub project: &'a [&'a T],
126}
127
128impl<'a, T: Serialize> SettingsSources<'a, T> {
129 /// Returns an iterator over the default settings as well as all settings customizations.
130 pub fn defaults_and_customizations(&self) -> impl Iterator<Item = &T> {
131 [self.default].into_iter().chain(self.customizations())
132 }
133
134 /// Returns an iterator over all of the settings customizations.
135 pub fn customizations(&self) -> impl Iterator<Item = &T> {
136 self.extensions
137 .into_iter()
138 .chain(self.user)
139 .chain(self.release_channel)
140 .chain(self.server)
141 .chain(self.project.iter().copied())
142 }
143
144 /// Returns the settings after performing a JSON merge of the provided customizations.
145 ///
146 /// Customizations later in the iterator win out over the earlier ones.
147 pub fn json_merge_with<O: DeserializeOwned>(
148 customizations: impl Iterator<Item = &'a T>,
149 ) -> Result<O> {
150 let mut merged = serde_json::Value::Null;
151 for value in customizations {
152 merge_non_null_json_value_into(serde_json::to_value(value).unwrap(), &mut merged);
153 }
154 Ok(serde_json::from_value(merged)?)
155 }
156
157 /// Returns the settings after performing a JSON merge of the customizations into the
158 /// default settings.
159 ///
160 /// More-specific customizations win out over the less-specific ones.
161 pub fn json_merge<O: DeserializeOwned>(&'a self) -> Result<O> {
162 Self::json_merge_with(self.defaults_and_customizations())
163 }
164}
165
166#[derive(Clone, Copy, Debug)]
167pub struct SettingsLocation<'a> {
168 pub worktree_id: WorktreeId,
169 pub path: &'a Path,
170}
171
172/// A set of strongly-typed setting values defined via multiple config files.
173pub struct SettingsStore {
174 setting_values: HashMap<TypeId, Box<dyn AnySettingValue>>,
175 raw_default_settings: serde_json::Value,
176 raw_user_settings: serde_json::Value,
177 raw_server_settings: Option<serde_json::Value>,
178 raw_extension_settings: serde_json::Value,
179 raw_local_settings: BTreeMap<(WorktreeId, Arc<Path>), serde_json::Value>,
180 raw_editorconfig_settings: BTreeMap<(WorktreeId, Arc<Path>), (String, Option<Editorconfig>)>,
181 tab_size_callback: Option<(
182 TypeId,
183 Box<dyn Fn(&dyn Any) -> Option<usize> + Send + Sync + 'static>,
184 )>,
185 _setting_file_updates: Task<()>,
186 setting_file_updates_tx:
187 mpsc::UnboundedSender<Box<dyn FnOnce(AsyncApp) -> LocalBoxFuture<'static, Result<()>>>>,
188}
189
190#[derive(Clone)]
191pub struct Editorconfig {
192 pub is_root: bool,
193 pub sections: SmallVec<[Section; 5]>,
194}
195
196impl FromStr for Editorconfig {
197 type Err = anyhow::Error;
198
199 fn from_str(contents: &str) -> Result<Self, Self::Err> {
200 let parser = ConfigParser::new_buffered(contents.as_bytes())
201 .context("creating editorconfig parser")?;
202 let is_root = parser.is_root;
203 let sections = parser
204 .collect::<Result<SmallVec<_>, _>>()
205 .context("parsing editorconfig sections")?;
206 Ok(Self { is_root, sections })
207 }
208}
209
210#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
211pub enum LocalSettingsKind {
212 Settings,
213 Tasks,
214 Editorconfig,
215}
216
217impl Global for SettingsStore {}
218
219#[derive(Debug)]
220struct SettingValue<T> {
221 global_value: Option<T>,
222 local_values: Vec<(WorktreeId, Arc<Path>, T)>,
223}
224
225trait AnySettingValue: 'static + Send + Sync {
226 fn key(&self) -> Option<&'static str>;
227 fn setting_type_name(&self) -> &'static str;
228 fn deserialize_setting(&self, json: &serde_json::Value) -> Result<DeserializedSetting>;
229 fn load_setting(
230 &self,
231 sources: SettingsSources<DeserializedSetting>,
232 cx: &mut App,
233 ) -> Result<Box<dyn Any>>;
234 fn value_for_path(&self, path: Option<SettingsLocation>) -> &dyn Any;
235 fn set_global_value(&mut self, value: Box<dyn Any>);
236 fn set_local_value(&mut self, root_id: WorktreeId, path: Arc<Path>, value: Box<dyn Any>);
237 fn json_schema(
238 &self,
239 generator: &mut SchemaGenerator,
240 _: &SettingsJsonSchemaParams,
241 cx: &App,
242 ) -> RootSchema;
243}
244
245struct DeserializedSetting(Box<dyn Any>);
246
247impl SettingsStore {
248 pub fn new(cx: &App) -> Self {
249 let (setting_file_updates_tx, mut setting_file_updates_rx) = mpsc::unbounded();
250 Self {
251 setting_values: Default::default(),
252 raw_default_settings: serde_json::json!({}),
253 raw_user_settings: serde_json::json!({}),
254 raw_server_settings: None,
255 raw_extension_settings: serde_json::json!({}),
256 raw_local_settings: Default::default(),
257 raw_editorconfig_settings: BTreeMap::default(),
258 tab_size_callback: Default::default(),
259 setting_file_updates_tx,
260 _setting_file_updates: cx.spawn(|cx| async move {
261 while let Some(setting_file_update) = setting_file_updates_rx.next().await {
262 (setting_file_update)(cx.clone()).await.log_err();
263 }
264 }),
265 }
266 }
267
268 pub fn update<C, R>(cx: &mut C, f: impl FnOnce(&mut Self, &mut C) -> R) -> R
269 where
270 C: BorrowAppContext,
271 {
272 cx.update_global(f)
273 }
274
275 /// Add a new type of setting to the store.
276 pub fn register_setting<T: Settings>(&mut self, cx: &mut App) {
277 let setting_type_id = TypeId::of::<T>();
278 let entry = self.setting_values.entry(setting_type_id);
279
280 if matches!(entry, hash_map::Entry::Occupied(_)) {
281 return;
282 }
283
284 let setting_value = entry.or_insert(Box::new(SettingValue::<T> {
285 global_value: None,
286 local_values: Vec::new(),
287 }));
288
289 if let Some(default_settings) = setting_value
290 .deserialize_setting(&self.raw_default_settings)
291 .log_err()
292 {
293 let user_value = setting_value
294 .deserialize_setting(&self.raw_user_settings)
295 .log_err();
296
297 let mut release_channel_value = None;
298 if let Some(release_settings) = &self
299 .raw_user_settings
300 .get(release_channel::RELEASE_CHANNEL.dev_name())
301 {
302 release_channel_value = setting_value
303 .deserialize_setting(release_settings)
304 .log_err();
305 }
306
307 let server_value = self
308 .raw_server_settings
309 .as_ref()
310 .and_then(|server_setting| {
311 setting_value.deserialize_setting(server_setting).log_err()
312 });
313
314 let extension_value = setting_value
315 .deserialize_setting(&self.raw_extension_settings)
316 .log_err();
317
318 if let Some(setting) = setting_value
319 .load_setting(
320 SettingsSources {
321 default: &default_settings,
322 extensions: extension_value.as_ref(),
323 user: user_value.as_ref(),
324 release_channel: release_channel_value.as_ref(),
325 server: server_value.as_ref(),
326 project: &[],
327 },
328 cx,
329 )
330 .context("A default setting must be added to the `default.json` file")
331 .log_err()
332 {
333 setting_value.set_global_value(setting);
334 }
335 }
336 }
337
338 /// Get the value of a setting.
339 ///
340 /// Panics if the given setting type has not been registered, or if there is no
341 /// value for this setting.
342 pub fn get<T: Settings>(&self, path: Option<SettingsLocation>) -> &T {
343 self.setting_values
344 .get(&TypeId::of::<T>())
345 .unwrap_or_else(|| panic!("unregistered setting type {}", type_name::<T>()))
346 .value_for_path(path)
347 .downcast_ref::<T>()
348 .expect("no default value for setting type")
349 }
350
351 /// Override the global value for a setting.
352 ///
353 /// The given value will be overwritten if the user settings file changes.
354 pub fn override_global<T: Settings>(&mut self, value: T) {
355 self.setting_values
356 .get_mut(&TypeId::of::<T>())
357 .unwrap_or_else(|| panic!("unregistered setting type {}", type_name::<T>()))
358 .set_global_value(Box::new(value))
359 }
360
361 /// Get the user's settings as a raw JSON value.
362 ///
363 /// For user-facing functionality use the typed setting interface.
364 /// (e.g. ProjectSettings::get_global(cx))
365 pub fn raw_user_settings(&self) -> &serde_json::Value {
366 &self.raw_user_settings
367 }
368
369 #[cfg(any(test, feature = "test-support"))]
370 pub fn test(cx: &mut App) -> Self {
371 let mut this = Self::new(cx);
372 this.set_default_settings(&crate::test_settings(), cx)
373 .unwrap();
374 this.set_user_settings("{}", cx).unwrap();
375 this
376 }
377
378 /// Updates the value of a setting in the user's global configuration.
379 ///
380 /// This is only for tests. Normally, settings are only loaded from
381 /// JSON files.
382 #[cfg(any(test, feature = "test-support"))]
383 pub fn update_user_settings<T: Settings>(
384 &mut self,
385 cx: &mut App,
386 update: impl FnOnce(&mut T::FileContent),
387 ) {
388 let old_text = serde_json::to_string(&self.raw_user_settings).unwrap();
389 let new_text = self.new_text_for_update::<T>(old_text, update);
390 self.set_user_settings(&new_text, cx).unwrap();
391 }
392
393 pub async fn load_settings(fs: &Arc<dyn Fs>) -> Result<String> {
394 match fs.load(paths::settings_file()).await {
395 result @ Ok(_) => result,
396 Err(err) => {
397 if let Some(e) = err.downcast_ref::<std::io::Error>() {
398 if e.kind() == std::io::ErrorKind::NotFound {
399 return Ok(crate::initial_user_settings_content().to_string());
400 }
401 }
402 Err(err)
403 }
404 }
405 }
406
407 pub fn update_settings_file<T: Settings>(
408 &self,
409 fs: Arc<dyn Fs>,
410 update: impl 'static + Send + FnOnce(&mut T::FileContent, &App),
411 ) {
412 self.setting_file_updates_tx
413 .unbounded_send(Box::new(move |cx: AsyncApp| {
414 async move {
415 let old_text = Self::load_settings(&fs).await?;
416 let new_text = cx.read_global(|store: &SettingsStore, cx| {
417 store.new_text_for_update::<T>(old_text, |content| update(content, cx))
418 })?;
419 let settings_path = paths::settings_file().as_path();
420 if fs.is_file(settings_path).await {
421 let resolved_path =
422 fs.canonicalize(settings_path).await.with_context(|| {
423 format!("Failed to canonicalize settings path {:?}", settings_path)
424 })?;
425
426 fs.atomic_write(resolved_path.clone(), new_text)
427 .await
428 .with_context(|| {
429 format!("Failed to write settings to file {:?}", resolved_path)
430 })?;
431 } else {
432 fs.atomic_write(settings_path.to_path_buf(), new_text)
433 .await
434 .with_context(|| {
435 format!("Failed to write settings to file {:?}", settings_path)
436 })?;
437 }
438
439 anyhow::Ok(())
440 }
441 .boxed_local()
442 }))
443 .ok();
444 }
445
446 /// Updates the value of a setting in a JSON file, returning the new text
447 /// for that JSON file.
448 pub fn new_text_for_update<T: Settings>(
449 &self,
450 old_text: String,
451 update: impl FnOnce(&mut T::FileContent),
452 ) -> String {
453 let edits = self.edits_for_update::<T>(&old_text, update);
454 let mut new_text = old_text;
455 for (range, replacement) in edits.into_iter() {
456 new_text.replace_range(range, &replacement);
457 }
458 new_text
459 }
460
461 /// Updates the value of a setting in a JSON file, returning a list
462 /// of edits to apply to the JSON file.
463 pub fn edits_for_update<T: Settings>(
464 &self,
465 text: &str,
466 update: impl FnOnce(&mut T::FileContent),
467 ) -> Vec<(Range<usize>, String)> {
468 let setting_type_id = TypeId::of::<T>();
469
470 let preserved_keys = T::PRESERVED_KEYS.unwrap_or_default();
471
472 let setting = self
473 .setting_values
474 .get(&setting_type_id)
475 .unwrap_or_else(|| panic!("unregistered setting type {}", type_name::<T>()));
476 let raw_settings = parse_json_with_comments::<serde_json::Value>(text).unwrap_or_default();
477 let old_content = match setting.deserialize_setting(&raw_settings) {
478 Ok(content) => content.0.downcast::<T::FileContent>().unwrap(),
479 Err(_) => Box::<<T as Settings>::FileContent>::default(),
480 };
481 let mut new_content = old_content.clone();
482 update(&mut new_content);
483
484 let old_value = serde_json::to_value(&old_content).unwrap();
485 let new_value = serde_json::to_value(new_content).unwrap();
486
487 let mut key_path = Vec::new();
488 if let Some(key) = T::KEY {
489 key_path.push(key);
490 }
491
492 let mut edits = Vec::new();
493 let tab_size = self.json_tab_size();
494 let mut text = text.to_string();
495 update_value_in_json_text(
496 &mut text,
497 &mut key_path,
498 tab_size,
499 &old_value,
500 &new_value,
501 preserved_keys,
502 &mut edits,
503 );
504 edits
505 }
506
507 /// Configure the tab sized when updating JSON files.
508 pub fn set_json_tab_size_callback<T: Settings>(
509 &mut self,
510 get_tab_size: fn(&T) -> Option<usize>,
511 ) {
512 self.tab_size_callback = Some((
513 TypeId::of::<T>(),
514 Box::new(move |value| get_tab_size(value.downcast_ref::<T>().unwrap())),
515 ));
516 }
517
518 fn json_tab_size(&self) -> usize {
519 const DEFAULT_JSON_TAB_SIZE: usize = 2;
520
521 if let Some((setting_type_id, callback)) = &self.tab_size_callback {
522 let setting_value = self.setting_values.get(setting_type_id).unwrap();
523 let value = setting_value.value_for_path(None);
524 if let Some(value) = callback(value) {
525 return value;
526 }
527 }
528
529 DEFAULT_JSON_TAB_SIZE
530 }
531
532 /// Sets the default settings via a JSON string.
533 ///
534 /// The string should contain a JSON object with a default value for every setting.
535 pub fn set_default_settings(
536 &mut self,
537 default_settings_content: &str,
538 cx: &mut App,
539 ) -> Result<()> {
540 let settings: serde_json::Value = parse_json_with_comments(default_settings_content)?;
541 if settings.is_object() {
542 self.raw_default_settings = settings;
543 self.recompute_values(None, cx)?;
544 Ok(())
545 } else {
546 Err(anyhow!("settings must be an object"))
547 }
548 }
549
550 /// Sets the user settings via a JSON string.
551 pub fn set_user_settings(
552 &mut self,
553 user_settings_content: &str,
554 cx: &mut App,
555 ) -> Result<serde_json::Value> {
556 let settings: serde_json::Value = if user_settings_content.is_empty() {
557 parse_json_with_comments("{}")?
558 } else {
559 parse_json_with_comments(user_settings_content)?
560 };
561
562 anyhow::ensure!(settings.is_object(), "settings must be an object");
563 self.raw_user_settings = settings.clone();
564 self.recompute_values(None, cx)?;
565 Ok(settings)
566 }
567
568 pub fn set_server_settings(
569 &mut self,
570 server_settings_content: &str,
571 cx: &mut App,
572 ) -> Result<()> {
573 let settings: Option<serde_json::Value> = if server_settings_content.is_empty() {
574 None
575 } else {
576 parse_json_with_comments(server_settings_content)?
577 };
578
579 anyhow::ensure!(
580 settings
581 .as_ref()
582 .map(|value| value.is_object())
583 .unwrap_or(true),
584 "settings must be an object"
585 );
586 self.raw_server_settings = settings;
587 self.recompute_values(None, cx)?;
588 Ok(())
589 }
590
591 /// Add or remove a set of local settings via a JSON string.
592 pub fn set_local_settings(
593 &mut self,
594 root_id: WorktreeId,
595 directory_path: Arc<Path>,
596 kind: LocalSettingsKind,
597 settings_content: Option<&str>,
598 cx: &mut App,
599 ) -> std::result::Result<(), InvalidSettingsError> {
600 let mut zed_settings_changed = false;
601 match (
602 kind,
603 settings_content
604 .map(|content| content.trim())
605 .filter(|content| !content.is_empty()),
606 ) {
607 (LocalSettingsKind::Tasks, _) => {
608 return Err(InvalidSettingsError::Tasks {
609 message: "Attempted to submit tasks into the settings store".to_string(),
610 })
611 }
612 (LocalSettingsKind::Settings, None) => {
613 zed_settings_changed = self
614 .raw_local_settings
615 .remove(&(root_id, directory_path.clone()))
616 .is_some()
617 }
618 (LocalSettingsKind::Editorconfig, None) => {
619 self.raw_editorconfig_settings
620 .remove(&(root_id, directory_path.clone()));
621 }
622 (LocalSettingsKind::Settings, Some(settings_contents)) => {
623 let new_settings = parse_json_with_comments::<serde_json::Value>(settings_contents)
624 .map_err(|e| InvalidSettingsError::LocalSettings {
625 path: directory_path.join(local_settings_file_relative_path()),
626 message: e.to_string(),
627 })?;
628 match self
629 .raw_local_settings
630 .entry((root_id, directory_path.clone()))
631 {
632 btree_map::Entry::Vacant(v) => {
633 v.insert(new_settings);
634 zed_settings_changed = true;
635 }
636 btree_map::Entry::Occupied(mut o) => {
637 if o.get() != &new_settings {
638 o.insert(new_settings);
639 zed_settings_changed = true;
640 }
641 }
642 }
643 }
644 (LocalSettingsKind::Editorconfig, Some(editorconfig_contents)) => {
645 match self
646 .raw_editorconfig_settings
647 .entry((root_id, directory_path.clone()))
648 {
649 btree_map::Entry::Vacant(v) => match editorconfig_contents.parse() {
650 Ok(new_contents) => {
651 v.insert((editorconfig_contents.to_owned(), Some(new_contents)));
652 }
653 Err(e) => {
654 v.insert((editorconfig_contents.to_owned(), None));
655 return Err(InvalidSettingsError::Editorconfig {
656 message: e.to_string(),
657 path: directory_path.join(EDITORCONFIG_NAME),
658 });
659 }
660 },
661 btree_map::Entry::Occupied(mut o) => {
662 if o.get().0 != editorconfig_contents {
663 match editorconfig_contents.parse() {
664 Ok(new_contents) => {
665 o.insert((
666 editorconfig_contents.to_owned(),
667 Some(new_contents),
668 ));
669 }
670 Err(e) => {
671 o.insert((editorconfig_contents.to_owned(), None));
672 return Err(InvalidSettingsError::Editorconfig {
673 message: e.to_string(),
674 path: directory_path.join(EDITORCONFIG_NAME),
675 });
676 }
677 }
678 }
679 }
680 }
681 }
682 };
683
684 if zed_settings_changed {
685 self.recompute_values(Some((root_id, &directory_path)), cx)?;
686 }
687 Ok(())
688 }
689
690 pub fn set_extension_settings<T: Serialize>(&mut self, content: T, cx: &mut App) -> Result<()> {
691 let settings: serde_json::Value = serde_json::to_value(content)?;
692 anyhow::ensure!(settings.is_object(), "settings must be an object");
693 self.raw_extension_settings = settings;
694 self.recompute_values(None, cx)?;
695 Ok(())
696 }
697
698 /// Add or remove a set of local settings via a JSON string.
699 pub fn clear_local_settings(&mut self, root_id: WorktreeId, cx: &mut App) -> Result<()> {
700 self.raw_local_settings
701 .retain(|(worktree_id, _), _| worktree_id != &root_id);
702 self.recompute_values(Some((root_id, "".as_ref())), cx)?;
703 Ok(())
704 }
705
706 pub fn local_settings(
707 &self,
708 root_id: WorktreeId,
709 ) -> impl '_ + Iterator<Item = (Arc<Path>, String)> {
710 self.raw_local_settings
711 .range(
712 (root_id, Path::new("").into())
713 ..(
714 WorktreeId::from_usize(root_id.to_usize() + 1),
715 Path::new("").into(),
716 ),
717 )
718 .map(|((_, path), content)| (path.clone(), serde_json::to_string(content).unwrap()))
719 }
720
721 pub fn local_editorconfig_settings(
722 &self,
723 root_id: WorktreeId,
724 ) -> impl '_ + Iterator<Item = (Arc<Path>, String, Option<Editorconfig>)> {
725 self.raw_editorconfig_settings
726 .range(
727 (root_id, Path::new("").into())
728 ..(
729 WorktreeId::from_usize(root_id.to_usize() + 1),
730 Path::new("").into(),
731 ),
732 )
733 .map(|((_, path), (content, parsed_content))| {
734 (path.clone(), content.clone(), parsed_content.clone())
735 })
736 }
737
738 pub fn json_schema(
739 &self,
740 schema_params: &SettingsJsonSchemaParams,
741 cx: &App,
742 ) -> serde_json::Value {
743 use schemars::{
744 gen::SchemaSettings,
745 schema::{Schema, SchemaObject},
746 };
747
748 let settings = SchemaSettings::draft07().with(|settings| {
749 settings.option_add_null_type = true;
750 });
751 let mut generator = SchemaGenerator::new(settings);
752 let mut combined_schema = RootSchema::default();
753
754 for setting_value in self.setting_values.values() {
755 let setting_schema = setting_value.json_schema(&mut generator, schema_params, cx);
756 combined_schema
757 .definitions
758 .extend(setting_schema.definitions);
759
760 let target_schema = if let Some(key) = setting_value.key() {
761 let key_schema = combined_schema
762 .schema
763 .object()
764 .properties
765 .entry(key.to_string())
766 .or_insert_with(|| Schema::Object(SchemaObject::default()));
767 if let Schema::Object(key_schema) = key_schema {
768 key_schema
769 } else {
770 continue;
771 }
772 } else {
773 &mut combined_schema.schema
774 };
775
776 merge_schema(target_schema, setting_schema.schema);
777 }
778
779 fn merge_schema(target: &mut SchemaObject, mut source: SchemaObject) {
780 let source_subschemas = source.subschemas();
781 let target_subschemas = target.subschemas();
782 if let Some(all_of) = source_subschemas.all_of.take() {
783 target_subschemas
784 .all_of
785 .get_or_insert(Vec::new())
786 .extend(all_of);
787 }
788 if let Some(any_of) = source_subschemas.any_of.take() {
789 target_subschemas
790 .any_of
791 .get_or_insert(Vec::new())
792 .extend(any_of);
793 }
794 if let Some(one_of) = source_subschemas.one_of.take() {
795 target_subschemas
796 .one_of
797 .get_or_insert(Vec::new())
798 .extend(one_of);
799 }
800
801 if let Some(source) = source.object {
802 let target_properties = &mut target.object().properties;
803 for (key, value) in source.properties {
804 match target_properties.entry(key) {
805 btree_map::Entry::Vacant(e) => {
806 e.insert(value);
807 }
808 btree_map::Entry::Occupied(e) => {
809 if let (Schema::Object(target), Schema::Object(src)) =
810 (e.into_mut(), value)
811 {
812 merge_schema(target, src);
813 }
814 }
815 }
816 }
817 }
818
819 overwrite(&mut target.instance_type, source.instance_type);
820 overwrite(&mut target.string, source.string);
821 overwrite(&mut target.number, source.number);
822 overwrite(&mut target.reference, source.reference);
823 overwrite(&mut target.array, source.array);
824 overwrite(&mut target.enum_values, source.enum_values);
825
826 fn overwrite<T>(target: &mut Option<T>, source: Option<T>) {
827 if let Some(source) = source {
828 *target = Some(source);
829 }
830 }
831 }
832
833 for release_stage in ["dev", "nightly", "stable", "preview"] {
834 let schema = combined_schema.schema.clone();
835 combined_schema
836 .schema
837 .object()
838 .properties
839 .insert(release_stage.to_string(), schema.into());
840 }
841
842 serde_json::to_value(&combined_schema).unwrap()
843 }
844
845 fn recompute_values(
846 &mut self,
847 changed_local_path: Option<(WorktreeId, &Path)>,
848 cx: &mut App,
849 ) -> std::result::Result<(), InvalidSettingsError> {
850 // Reload the global and local values for every setting.
851 let mut project_settings_stack = Vec::<DeserializedSetting>::new();
852 let mut paths_stack = Vec::<Option<(WorktreeId, &Path)>>::new();
853 for setting_value in self.setting_values.values_mut() {
854 let default_settings = setting_value
855 .deserialize_setting(&self.raw_default_settings)
856 .map_err(|e| InvalidSettingsError::DefaultSettings {
857 message: e.to_string(),
858 })?;
859
860 let extension_settings = setting_value
861 .deserialize_setting(&self.raw_extension_settings)
862 .log_err();
863
864 let user_settings = match setting_value.deserialize_setting(&self.raw_user_settings) {
865 Ok(settings) => Some(settings),
866 Err(error) => {
867 return Err(InvalidSettingsError::UserSettings {
868 message: error.to_string(),
869 });
870 }
871 };
872
873 let server_settings = self
874 .raw_server_settings
875 .as_ref()
876 .and_then(|setting| setting_value.deserialize_setting(setting).log_err());
877
878 let mut release_channel_settings = None;
879 if let Some(release_settings) = &self
880 .raw_user_settings
881 .get(release_channel::RELEASE_CHANNEL.dev_name())
882 {
883 if let Some(release_settings) = setting_value
884 .deserialize_setting(release_settings)
885 .log_err()
886 {
887 release_channel_settings = Some(release_settings);
888 }
889 }
890
891 // If the global settings file changed, reload the global value for the field.
892 if changed_local_path.is_none() {
893 if let Some(value) = setting_value
894 .load_setting(
895 SettingsSources {
896 default: &default_settings,
897 extensions: extension_settings.as_ref(),
898 user: user_settings.as_ref(),
899 release_channel: release_channel_settings.as_ref(),
900 server: server_settings.as_ref(),
901 project: &[],
902 },
903 cx,
904 )
905 .log_err()
906 {
907 setting_value.set_global_value(value);
908 }
909 }
910
911 // Reload the local values for the setting.
912 paths_stack.clear();
913 project_settings_stack.clear();
914 for ((root_id, directory_path), local_settings) in &self.raw_local_settings {
915 // Build a stack of all of the local values for that setting.
916 while let Some(prev_entry) = paths_stack.last() {
917 if let Some((prev_root_id, prev_path)) = prev_entry {
918 if root_id != prev_root_id || !directory_path.starts_with(prev_path) {
919 paths_stack.pop();
920 project_settings_stack.pop();
921 continue;
922 }
923 }
924 break;
925 }
926
927 match setting_value.deserialize_setting(local_settings) {
928 Ok(local_settings) => {
929 paths_stack.push(Some((*root_id, directory_path.as_ref())));
930 project_settings_stack.push(local_settings);
931
932 // If a local settings file changed, then avoid recomputing local
933 // settings for any path outside of that directory.
934 if changed_local_path.map_or(
935 false,
936 |(changed_root_id, changed_local_path)| {
937 *root_id != changed_root_id
938 || !directory_path.starts_with(changed_local_path)
939 },
940 ) {
941 continue;
942 }
943
944 if let Some(value) = setting_value
945 .load_setting(
946 SettingsSources {
947 default: &default_settings,
948 extensions: extension_settings.as_ref(),
949 user: user_settings.as_ref(),
950 release_channel: release_channel_settings.as_ref(),
951 server: server_settings.as_ref(),
952 project: &project_settings_stack.iter().collect::<Vec<_>>(),
953 },
954 cx,
955 )
956 .log_err()
957 {
958 setting_value.set_local_value(*root_id, directory_path.clone(), value);
959 }
960 }
961 Err(error) => {
962 return Err(InvalidSettingsError::LocalSettings {
963 path: directory_path.join(local_settings_file_relative_path()),
964 message: error.to_string(),
965 });
966 }
967 }
968 }
969 }
970 Ok(())
971 }
972
973 pub fn editorconfig_properties(
974 &self,
975 for_worktree: WorktreeId,
976 for_path: &Path,
977 ) -> Option<EditorconfigProperties> {
978 let mut properties = EditorconfigProperties::new();
979
980 for (directory_with_config, _, parsed_editorconfig) in
981 self.local_editorconfig_settings(for_worktree)
982 {
983 if !for_path.starts_with(&directory_with_config) {
984 properties.use_fallbacks();
985 return Some(properties);
986 }
987 let parsed_editorconfig = parsed_editorconfig?;
988 if parsed_editorconfig.is_root {
989 properties = EditorconfigProperties::new();
990 }
991 for section in parsed_editorconfig.sections {
992 section.apply_to(&mut properties, for_path).log_err()?;
993 }
994 }
995
996 properties.use_fallbacks();
997 Some(properties)
998 }
999}
1000
1001#[derive(Debug, Clone, PartialEq)]
1002pub enum InvalidSettingsError {
1003 LocalSettings { path: PathBuf, message: String },
1004 UserSettings { message: String },
1005 ServerSettings { message: String },
1006 DefaultSettings { message: String },
1007 Editorconfig { path: PathBuf, message: String },
1008 Tasks { message: String },
1009}
1010
1011impl std::fmt::Display for InvalidSettingsError {
1012 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
1013 match self {
1014 InvalidSettingsError::LocalSettings { message, .. }
1015 | InvalidSettingsError::UserSettings { message }
1016 | InvalidSettingsError::ServerSettings { message }
1017 | InvalidSettingsError::DefaultSettings { message }
1018 | InvalidSettingsError::Tasks { message }
1019 | InvalidSettingsError::Editorconfig { message, .. } => {
1020 write!(f, "{message}")
1021 }
1022 }
1023 }
1024}
1025impl std::error::Error for InvalidSettingsError {}
1026
1027impl Debug for SettingsStore {
1028 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
1029 f.debug_struct("SettingsStore")
1030 .field(
1031 "types",
1032 &self
1033 .setting_values
1034 .values()
1035 .map(|value| value.setting_type_name())
1036 .collect::<Vec<_>>(),
1037 )
1038 .field("default_settings", &self.raw_default_settings)
1039 .field("user_settings", &self.raw_user_settings)
1040 .field("local_settings", &self.raw_local_settings)
1041 .finish_non_exhaustive()
1042 }
1043}
1044
1045impl<T: Settings> AnySettingValue for SettingValue<T> {
1046 fn key(&self) -> Option<&'static str> {
1047 T::KEY
1048 }
1049
1050 fn setting_type_name(&self) -> &'static str {
1051 type_name::<T>()
1052 }
1053
1054 fn load_setting(
1055 &self,
1056 values: SettingsSources<DeserializedSetting>,
1057 cx: &mut App,
1058 ) -> Result<Box<dyn Any>> {
1059 Ok(Box::new(T::load(
1060 SettingsSources {
1061 default: values.default.0.downcast_ref::<T::FileContent>().unwrap(),
1062 extensions: values
1063 .extensions
1064 .map(|value| value.0.downcast_ref::<T::FileContent>().unwrap()),
1065 user: values
1066 .user
1067 .map(|value| value.0.downcast_ref::<T::FileContent>().unwrap()),
1068 release_channel: values
1069 .release_channel
1070 .map(|value| value.0.downcast_ref::<T::FileContent>().unwrap()),
1071 server: values
1072 .server
1073 .map(|value| value.0.downcast_ref::<T::FileContent>().unwrap()),
1074 project: values
1075 .project
1076 .iter()
1077 .map(|value| value.0.downcast_ref().unwrap())
1078 .collect::<SmallVec<[_; 3]>>()
1079 .as_slice(),
1080 },
1081 cx,
1082 )?))
1083 }
1084
1085 fn deserialize_setting(&self, mut json: &serde_json::Value) -> Result<DeserializedSetting> {
1086 if let Some(key) = T::KEY {
1087 if let Some(value) = json.get(key) {
1088 json = value;
1089 } else {
1090 let value = T::FileContent::default();
1091 return Ok(DeserializedSetting(Box::new(value)));
1092 }
1093 }
1094 let value = T::FileContent::deserialize(json)?;
1095 Ok(DeserializedSetting(Box::new(value)))
1096 }
1097
1098 fn value_for_path(&self, path: Option<SettingsLocation>) -> &dyn Any {
1099 if let Some(SettingsLocation { worktree_id, path }) = path {
1100 for (settings_root_id, settings_path, value) in self.local_values.iter().rev() {
1101 if worktree_id == *settings_root_id && path.starts_with(settings_path) {
1102 return value;
1103 }
1104 }
1105 }
1106 self.global_value
1107 .as_ref()
1108 .unwrap_or_else(|| panic!("no default value for setting {}", self.setting_type_name()))
1109 }
1110
1111 fn set_global_value(&mut self, value: Box<dyn Any>) {
1112 self.global_value = Some(*value.downcast().unwrap());
1113 }
1114
1115 fn set_local_value(&mut self, root_id: WorktreeId, path: Arc<Path>, value: Box<dyn Any>) {
1116 let value = *value.downcast().unwrap();
1117 match self
1118 .local_values
1119 .binary_search_by_key(&(root_id, &path), |e| (e.0, &e.1))
1120 {
1121 Ok(ix) => self.local_values[ix].2 = value,
1122 Err(ix) => self.local_values.insert(ix, (root_id, path, value)),
1123 }
1124 }
1125
1126 fn json_schema(
1127 &self,
1128 generator: &mut SchemaGenerator,
1129 params: &SettingsJsonSchemaParams,
1130 cx: &App,
1131 ) -> RootSchema {
1132 T::json_schema(generator, params, cx)
1133 }
1134}
1135
1136fn update_value_in_json_text<'a>(
1137 text: &mut String,
1138 key_path: &mut Vec<&'a str>,
1139 tab_size: usize,
1140 old_value: &'a serde_json::Value,
1141 new_value: &'a serde_json::Value,
1142 preserved_keys: &[&str],
1143 edits: &mut Vec<(Range<usize>, String)>,
1144) {
1145 // If the old and new values are both objects, then compare them key by key,
1146 // preserving the comments and formatting of the unchanged parts. Otherwise,
1147 // replace the old value with the new value.
1148 if let (serde_json::Value::Object(old_object), serde_json::Value::Object(new_object)) =
1149 (old_value, new_value)
1150 {
1151 for (key, old_sub_value) in old_object.iter() {
1152 key_path.push(key);
1153 let new_sub_value = new_object.get(key).unwrap_or(&serde_json::Value::Null);
1154 update_value_in_json_text(
1155 text,
1156 key_path,
1157 tab_size,
1158 old_sub_value,
1159 new_sub_value,
1160 preserved_keys,
1161 edits,
1162 );
1163 key_path.pop();
1164 }
1165 for (key, new_sub_value) in new_object.iter() {
1166 key_path.push(key);
1167 if !old_object.contains_key(key) {
1168 update_value_in_json_text(
1169 text,
1170 key_path,
1171 tab_size,
1172 &serde_json::Value::Null,
1173 new_sub_value,
1174 preserved_keys,
1175 edits,
1176 );
1177 }
1178 key_path.pop();
1179 }
1180 } else if key_path
1181 .last()
1182 .map_or(false, |key| preserved_keys.contains(key))
1183 || old_value != new_value
1184 {
1185 let mut new_value = new_value.clone();
1186 if let Some(new_object) = new_value.as_object_mut() {
1187 new_object.retain(|_, v| !v.is_null());
1188 }
1189 let (range, replacement) = replace_value_in_json_text(text, key_path, tab_size, &new_value);
1190 text.replace_range(range.clone(), &replacement);
1191 edits.push((range, replacement));
1192 }
1193}
1194
1195fn replace_value_in_json_text(
1196 text: &str,
1197 key_path: &[&str],
1198 tab_size: usize,
1199 new_value: &serde_json::Value,
1200) -> (Range<usize>, String) {
1201 static PAIR_QUERY: LazyLock<Query> = LazyLock::new(|| {
1202 Query::new(
1203 &tree_sitter_json::LANGUAGE.into(),
1204 "(pair key: (string) @key value: (_) @value)",
1205 )
1206 .expect("Failed to create PAIR_QUERY")
1207 });
1208
1209 let mut parser = tree_sitter::Parser::new();
1210 parser
1211 .set_language(&tree_sitter_json::LANGUAGE.into())
1212 .unwrap();
1213 let syntax_tree = parser.parse(text, None).unwrap();
1214
1215 let mut cursor = tree_sitter::QueryCursor::new();
1216
1217 let mut depth = 0;
1218 let mut last_value_range = 0..0;
1219 let mut first_key_start = None;
1220 let mut existing_value_range = 0..text.len();
1221 let mut matches = cursor.matches(&PAIR_QUERY, syntax_tree.root_node(), text.as_bytes());
1222 while let Some(mat) = matches.next() {
1223 if mat.captures.len() != 2 {
1224 continue;
1225 }
1226
1227 let key_range = mat.captures[0].node.byte_range();
1228 let value_range = mat.captures[1].node.byte_range();
1229
1230 // Don't enter sub objects until we find an exact
1231 // match for the current keypath
1232 if last_value_range.contains_inclusive(&value_range) {
1233 continue;
1234 }
1235
1236 last_value_range = value_range.clone();
1237
1238 if key_range.start > existing_value_range.end {
1239 break;
1240 }
1241
1242 first_key_start.get_or_insert(key_range.start);
1243
1244 let found_key = text
1245 .get(key_range.clone())
1246 .map(|key_text| {
1247 depth < key_path.len() && key_text == format!("\"{}\"", key_path[depth])
1248 })
1249 .unwrap_or(false);
1250
1251 if found_key {
1252 existing_value_range = value_range;
1253 // Reset last value range when increasing in depth
1254 last_value_range = existing_value_range.start..existing_value_range.start;
1255 depth += 1;
1256
1257 if depth == key_path.len() {
1258 break;
1259 }
1260
1261 first_key_start = None;
1262 }
1263 }
1264
1265 // We found the exact key we want, insert the new value
1266 if depth == key_path.len() {
1267 let new_val = to_pretty_json(&new_value, tab_size, tab_size * depth);
1268 (existing_value_range, new_val)
1269 } else {
1270 // We have key paths, construct the sub objects
1271 let new_key = key_path[depth];
1272
1273 // We don't have the key, construct the nested objects
1274 let mut new_value = serde_json::to_value(new_value).unwrap();
1275 for key in key_path[(depth + 1)..].iter().rev() {
1276 new_value = serde_json::json!({ key.to_string(): new_value });
1277 }
1278
1279 if let Some(first_key_start) = first_key_start {
1280 let mut row = 0;
1281 let mut column = 0;
1282 for (ix, char) in text.char_indices() {
1283 if ix == first_key_start {
1284 break;
1285 }
1286 if char == '\n' {
1287 row += 1;
1288 column = 0;
1289 } else {
1290 column += char.len_utf8();
1291 }
1292 }
1293
1294 if row > 0 {
1295 // depth is 0 based, but division needs to be 1 based.
1296 let new_val = to_pretty_json(&new_value, column / (depth + 1), column);
1297 let space = ' ';
1298 let content = format!("\"{new_key}\": {new_val},\n{space:width$}", width = column);
1299 (first_key_start..first_key_start, content)
1300 } else {
1301 let new_val = serde_json::to_string(&new_value).unwrap();
1302 let mut content = format!(r#""{new_key}": {new_val},"#);
1303 content.push(' ');
1304 (first_key_start..first_key_start, content)
1305 }
1306 } else {
1307 new_value = serde_json::json!({ new_key.to_string(): new_value });
1308 let indent_prefix_len = 4 * depth;
1309 let mut new_val = to_pretty_json(&new_value, 4, indent_prefix_len);
1310 if depth == 0 {
1311 new_val.push('\n');
1312 }
1313
1314 (existing_value_range, new_val)
1315 }
1316 }
1317}
1318
1319fn to_pretty_json(value: &impl Serialize, indent_size: usize, indent_prefix_len: usize) -> String {
1320 const SPACES: [u8; 32] = [b' '; 32];
1321
1322 debug_assert!(indent_size <= SPACES.len());
1323 debug_assert!(indent_prefix_len <= SPACES.len());
1324
1325 let mut output = Vec::new();
1326 let mut ser = serde_json::Serializer::with_formatter(
1327 &mut output,
1328 serde_json::ser::PrettyFormatter::with_indent(&SPACES[0..indent_size.min(SPACES.len())]),
1329 );
1330
1331 value.serialize(&mut ser).unwrap();
1332 let text = String::from_utf8(output).unwrap();
1333
1334 let mut adjusted_text = String::new();
1335 for (i, line) in text.split('\n').enumerate() {
1336 if i > 0 {
1337 adjusted_text.push_str(str::from_utf8(&SPACES[0..indent_prefix_len]).unwrap());
1338 }
1339 adjusted_text.push_str(line);
1340 adjusted_text.push('\n');
1341 }
1342 adjusted_text.pop();
1343 adjusted_text
1344}
1345
1346pub fn parse_json_with_comments<T: DeserializeOwned>(content: &str) -> Result<T> {
1347 Ok(serde_json_lenient::from_str(content)?)
1348}
1349
1350#[cfg(test)]
1351mod tests {
1352 use super::*;
1353 use serde_derive::Deserialize;
1354 use unindent::Unindent;
1355
1356 #[gpui::test]
1357 fn test_settings_store_basic(cx: &mut App) {
1358 let mut store = SettingsStore::new(cx);
1359 store.register_setting::<UserSettings>(cx);
1360 store.register_setting::<TurboSetting>(cx);
1361 store.register_setting::<MultiKeySettings>(cx);
1362 store
1363 .set_default_settings(
1364 r#"{
1365 "turbo": false,
1366 "user": {
1367 "name": "John Doe",
1368 "age": 30,
1369 "staff": false
1370 }
1371 }"#,
1372 cx,
1373 )
1374 .unwrap();
1375
1376 assert_eq!(store.get::<TurboSetting>(None), &TurboSetting(false));
1377 assert_eq!(
1378 store.get::<UserSettings>(None),
1379 &UserSettings {
1380 name: "John Doe".to_string(),
1381 age: 30,
1382 staff: false,
1383 }
1384 );
1385 assert_eq!(
1386 store.get::<MultiKeySettings>(None),
1387 &MultiKeySettings {
1388 key1: String::new(),
1389 key2: String::new(),
1390 }
1391 );
1392
1393 store
1394 .set_user_settings(
1395 r#"{
1396 "turbo": true,
1397 "user": { "age": 31 },
1398 "key1": "a"
1399 }"#,
1400 cx,
1401 )
1402 .unwrap();
1403
1404 assert_eq!(store.get::<TurboSetting>(None), &TurboSetting(true));
1405 assert_eq!(
1406 store.get::<UserSettings>(None),
1407 &UserSettings {
1408 name: "John Doe".to_string(),
1409 age: 31,
1410 staff: false
1411 }
1412 );
1413
1414 store
1415 .set_local_settings(
1416 WorktreeId::from_usize(1),
1417 Path::new("/root1").into(),
1418 LocalSettingsKind::Settings,
1419 Some(r#"{ "user": { "staff": true } }"#),
1420 cx,
1421 )
1422 .unwrap();
1423 store
1424 .set_local_settings(
1425 WorktreeId::from_usize(1),
1426 Path::new("/root1/subdir").into(),
1427 LocalSettingsKind::Settings,
1428 Some(r#"{ "user": { "name": "Jane Doe" } }"#),
1429 cx,
1430 )
1431 .unwrap();
1432
1433 store
1434 .set_local_settings(
1435 WorktreeId::from_usize(1),
1436 Path::new("/root2").into(),
1437 LocalSettingsKind::Settings,
1438 Some(r#"{ "user": { "age": 42 }, "key2": "b" }"#),
1439 cx,
1440 )
1441 .unwrap();
1442
1443 assert_eq!(
1444 store.get::<UserSettings>(Some(SettingsLocation {
1445 worktree_id: WorktreeId::from_usize(1),
1446 path: Path::new("/root1/something"),
1447 })),
1448 &UserSettings {
1449 name: "John Doe".to_string(),
1450 age: 31,
1451 staff: true
1452 }
1453 );
1454 assert_eq!(
1455 store.get::<UserSettings>(Some(SettingsLocation {
1456 worktree_id: WorktreeId::from_usize(1),
1457 path: Path::new("/root1/subdir/something")
1458 })),
1459 &UserSettings {
1460 name: "Jane Doe".to_string(),
1461 age: 31,
1462 staff: true
1463 }
1464 );
1465 assert_eq!(
1466 store.get::<UserSettings>(Some(SettingsLocation {
1467 worktree_id: WorktreeId::from_usize(1),
1468 path: Path::new("/root2/something")
1469 })),
1470 &UserSettings {
1471 name: "John Doe".to_string(),
1472 age: 42,
1473 staff: false
1474 }
1475 );
1476 assert_eq!(
1477 store.get::<MultiKeySettings>(Some(SettingsLocation {
1478 worktree_id: WorktreeId::from_usize(1),
1479 path: Path::new("/root2/something")
1480 })),
1481 &MultiKeySettings {
1482 key1: "a".to_string(),
1483 key2: "b".to_string(),
1484 }
1485 );
1486 }
1487
1488 #[gpui::test]
1489 fn test_setting_store_assign_json_before_register(cx: &mut App) {
1490 let mut store = SettingsStore::new(cx);
1491 store
1492 .set_default_settings(
1493 r#"{
1494 "turbo": true,
1495 "user": {
1496 "name": "John Doe",
1497 "age": 30,
1498 "staff": false
1499 },
1500 "key1": "x"
1501 }"#,
1502 cx,
1503 )
1504 .unwrap();
1505 store
1506 .set_user_settings(r#"{ "turbo": false }"#, cx)
1507 .unwrap();
1508 store.register_setting::<UserSettings>(cx);
1509 store.register_setting::<TurboSetting>(cx);
1510
1511 assert_eq!(store.get::<TurboSetting>(None), &TurboSetting(false));
1512 assert_eq!(
1513 store.get::<UserSettings>(None),
1514 &UserSettings {
1515 name: "John Doe".to_string(),
1516 age: 30,
1517 staff: false,
1518 }
1519 );
1520
1521 store.register_setting::<MultiKeySettings>(cx);
1522 assert_eq!(
1523 store.get::<MultiKeySettings>(None),
1524 &MultiKeySettings {
1525 key1: "x".into(),
1526 key2: String::new(),
1527 }
1528 );
1529 }
1530
1531 #[gpui::test]
1532 fn test_setting_store_update(cx: &mut App) {
1533 let mut store = SettingsStore::new(cx);
1534 store.register_setting::<MultiKeySettings>(cx);
1535 store.register_setting::<UserSettings>(cx);
1536 store.register_setting::<LanguageSettings>(cx);
1537
1538 // entries added and updated
1539 check_settings_update::<LanguageSettings>(
1540 &mut store,
1541 r#"{
1542 "languages": {
1543 "JSON": {
1544 "language_setting_1": true
1545 }
1546 }
1547 }"#
1548 .unindent(),
1549 |settings| {
1550 settings
1551 .languages
1552 .get_mut("JSON")
1553 .unwrap()
1554 .language_setting_1 = Some(false);
1555 settings.languages.insert(
1556 "Rust".into(),
1557 LanguageSettingEntry {
1558 language_setting_2: Some(true),
1559 ..Default::default()
1560 },
1561 );
1562 },
1563 r#"{
1564 "languages": {
1565 "Rust": {
1566 "language_setting_2": true
1567 },
1568 "JSON": {
1569 "language_setting_1": false
1570 }
1571 }
1572 }"#
1573 .unindent(),
1574 cx,
1575 );
1576
1577 // weird formatting
1578 check_settings_update::<UserSettings>(
1579 &mut store,
1580 r#"{
1581 "user": { "age": 36, "name": "Max", "staff": true }
1582 }"#
1583 .unindent(),
1584 |settings| settings.age = Some(37),
1585 r#"{
1586 "user": { "age": 37, "name": "Max", "staff": true }
1587 }"#
1588 .unindent(),
1589 cx,
1590 );
1591
1592 // single-line formatting, other keys
1593 check_settings_update::<MultiKeySettings>(
1594 &mut store,
1595 r#"{ "one": 1, "two": 2 }"#.unindent(),
1596 |settings| settings.key1 = Some("x".into()),
1597 r#"{ "key1": "x", "one": 1, "two": 2 }"#.unindent(),
1598 cx,
1599 );
1600
1601 // empty object
1602 check_settings_update::<UserSettings>(
1603 &mut store,
1604 r#"{
1605 "user": {}
1606 }"#
1607 .unindent(),
1608 |settings| settings.age = Some(37),
1609 r#"{
1610 "user": {
1611 "age": 37
1612 }
1613 }"#
1614 .unindent(),
1615 cx,
1616 );
1617
1618 // no content
1619 check_settings_update::<UserSettings>(
1620 &mut store,
1621 r#""#.unindent(),
1622 |settings| settings.age = Some(37),
1623 r#"{
1624 "user": {
1625 "age": 37
1626 }
1627 }
1628 "#
1629 .unindent(),
1630 cx,
1631 );
1632
1633 check_settings_update::<UserSettings>(
1634 &mut store,
1635 r#"{
1636 }
1637 "#
1638 .unindent(),
1639 |settings| settings.age = Some(37),
1640 r#"{
1641 "user": {
1642 "age": 37
1643 }
1644 }
1645 "#
1646 .unindent(),
1647 cx,
1648 );
1649 }
1650
1651 fn check_settings_update<T: Settings>(
1652 store: &mut SettingsStore,
1653 old_json: String,
1654 update: fn(&mut T::FileContent),
1655 expected_new_json: String,
1656 cx: &mut App,
1657 ) {
1658 store.set_user_settings(&old_json, cx).ok();
1659 let edits = store.edits_for_update::<T>(&old_json, update);
1660 let mut new_json = old_json;
1661 for (range, replacement) in edits.into_iter() {
1662 new_json.replace_range(range, &replacement);
1663 }
1664 pretty_assertions::assert_eq!(new_json, expected_new_json);
1665 }
1666
1667 #[derive(Debug, PartialEq, Deserialize)]
1668 struct UserSettings {
1669 name: String,
1670 age: u32,
1671 staff: bool,
1672 }
1673
1674 #[derive(Default, Clone, Serialize, Deserialize, JsonSchema)]
1675 struct UserSettingsJson {
1676 name: Option<String>,
1677 age: Option<u32>,
1678 staff: Option<bool>,
1679 }
1680
1681 impl Settings for UserSettings {
1682 const KEY: Option<&'static str> = Some("user");
1683 type FileContent = UserSettingsJson;
1684
1685 fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1686 sources.json_merge()
1687 }
1688 }
1689
1690 #[derive(Debug, Deserialize, PartialEq)]
1691 struct TurboSetting(bool);
1692
1693 impl Settings for TurboSetting {
1694 const KEY: Option<&'static str> = Some("turbo");
1695 type FileContent = Option<bool>;
1696
1697 fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1698 sources.json_merge()
1699 }
1700 }
1701
1702 #[derive(Clone, Debug, PartialEq, Deserialize)]
1703 struct MultiKeySettings {
1704 #[serde(default)]
1705 key1: String,
1706 #[serde(default)]
1707 key2: String,
1708 }
1709
1710 #[derive(Clone, Default, Serialize, Deserialize, JsonSchema)]
1711 struct MultiKeySettingsJson {
1712 key1: Option<String>,
1713 key2: Option<String>,
1714 }
1715
1716 impl Settings for MultiKeySettings {
1717 const KEY: Option<&'static str> = None;
1718
1719 type FileContent = MultiKeySettingsJson;
1720
1721 fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1722 sources.json_merge()
1723 }
1724 }
1725
1726 #[derive(Debug, Deserialize)]
1727 struct JournalSettings {
1728 pub path: String,
1729 pub hour_format: HourFormat,
1730 }
1731
1732 #[derive(Clone, Debug, Serialize, Deserialize, JsonSchema)]
1733 #[serde(rename_all = "snake_case")]
1734 enum HourFormat {
1735 Hour12,
1736 Hour24,
1737 }
1738
1739 #[derive(Clone, Default, Debug, Serialize, Deserialize, JsonSchema)]
1740 struct JournalSettingsJson {
1741 pub path: Option<String>,
1742 pub hour_format: Option<HourFormat>,
1743 }
1744
1745 impl Settings for JournalSettings {
1746 const KEY: Option<&'static str> = Some("journal");
1747
1748 type FileContent = JournalSettingsJson;
1749
1750 fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1751 sources.json_merge()
1752 }
1753 }
1754
1755 #[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
1756 struct LanguageSettings {
1757 #[serde(default)]
1758 languages: HashMap<String, LanguageSettingEntry>,
1759 }
1760
1761 #[derive(Clone, Debug, Default, Serialize, Deserialize, JsonSchema)]
1762 struct LanguageSettingEntry {
1763 language_setting_1: Option<bool>,
1764 language_setting_2: Option<bool>,
1765 }
1766
1767 impl Settings for LanguageSettings {
1768 const KEY: Option<&'static str> = None;
1769
1770 type FileContent = Self;
1771
1772 fn load(sources: SettingsSources<Self::FileContent>, _: &mut App) -> Result<Self> {
1773 sources.json_merge()
1774 }
1775 }
1776}