1use std::cell::RefCell;
2use std::ops::Range;
3use std::path::PathBuf;
4use std::rc::Rc;
5use std::sync::Arc;
6use std::sync::atomic::AtomicBool;
7
8use acp_thread::MentionUri;
9use agent::{HistoryEntry, HistoryStore};
10use agent_client_protocol as acp;
11use anyhow::Result;
12use editor::{CompletionProvider, Editor, ExcerptId};
13use fuzzy::{StringMatch, StringMatchCandidate};
14use gpui::{App, Entity, Task, WeakEntity};
15use language::{Buffer, CodeLabel, CodeLabelBuilder, HighlightId};
16use lsp::CompletionContext;
17use project::lsp_store::{CompletionDocumentation, SymbolLocation};
18use project::{
19 Completion, CompletionDisplayOptions, CompletionIntent, CompletionResponse, Project,
20 ProjectPath, Symbol, WorktreeId,
21};
22use prompt_store::PromptStore;
23use rope::Point;
24use text::{Anchor, ToPoint as _};
25use ui::prelude::*;
26use util::rel_path::RelPath;
27use workspace::Workspace;
28
29use crate::AgentPanel;
30use crate::acp::message_editor::MessageEditor;
31use crate::context_picker::file_context_picker::{FileMatch, search_files};
32use crate::context_picker::rules_context_picker::{RulesContextEntry, search_rules};
33use crate::context_picker::symbol_context_picker::SymbolMatch;
34use crate::context_picker::symbol_context_picker::search_symbols;
35use crate::context_picker::thread_context_picker::search_threads;
36use crate::context_picker::{
37 ContextPickerAction, ContextPickerEntry, ContextPickerMode, selection_ranges,
38};
39
40pub(crate) enum Match {
41 File(FileMatch),
42 Symbol(SymbolMatch),
43 Thread(HistoryEntry),
44 RecentThread(HistoryEntry),
45 Fetch(SharedString),
46 Rules(RulesContextEntry),
47 Entry(EntryMatch),
48}
49
50pub struct EntryMatch {
51 mat: Option<StringMatch>,
52 entry: ContextPickerEntry,
53}
54
55impl Match {
56 pub fn score(&self) -> f64 {
57 match self {
58 Match::File(file) => file.mat.score,
59 Match::Entry(mode) => mode.mat.as_ref().map(|mat| mat.score).unwrap_or(1.),
60 Match::Thread(_) => 1.,
61 Match::RecentThread(_) => 1.,
62 Match::Symbol(_) => 1.,
63 Match::Rules(_) => 1.,
64 Match::Fetch(_) => 1.,
65 }
66 }
67}
68
69pub struct ContextPickerCompletionProvider {
70 message_editor: WeakEntity<MessageEditor>,
71 workspace: WeakEntity<Workspace>,
72 history_store: Entity<HistoryStore>,
73 prompt_store: Option<Entity<PromptStore>>,
74 prompt_capabilities: Rc<RefCell<acp::PromptCapabilities>>,
75 available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
76}
77
78impl ContextPickerCompletionProvider {
79 pub fn new(
80 message_editor: WeakEntity<MessageEditor>,
81 workspace: WeakEntity<Workspace>,
82 history_store: Entity<HistoryStore>,
83 prompt_store: Option<Entity<PromptStore>>,
84 prompt_capabilities: Rc<RefCell<acp::PromptCapabilities>>,
85 available_commands: Rc<RefCell<Vec<acp::AvailableCommand>>>,
86 ) -> Self {
87 Self {
88 message_editor,
89 workspace,
90 history_store,
91 prompt_store,
92 prompt_capabilities,
93 available_commands,
94 }
95 }
96
97 fn completion_for_entry(
98 entry: ContextPickerEntry,
99 source_range: Range<Anchor>,
100 message_editor: WeakEntity<MessageEditor>,
101 workspace: &Entity<Workspace>,
102 cx: &mut App,
103 ) -> Option<Completion> {
104 match entry {
105 ContextPickerEntry::Mode(mode) => Some(Completion {
106 replace_range: source_range,
107 new_text: format!("@{} ", mode.keyword()),
108 label: CodeLabel::plain(mode.label().to_string(), None),
109 icon_path: Some(mode.icon().path().into()),
110 documentation: None,
111 source: project::CompletionSource::Custom,
112 insert_text_mode: None,
113 // This ensures that when a user accepts this completion, the
114 // completion menu will still be shown after "@category " is
115 // inserted
116 confirm: Some(Arc::new(|_, _, _| true)),
117 }),
118 ContextPickerEntry::Action(action) => {
119 Self::completion_for_action(action, source_range, message_editor, workspace, cx)
120 }
121 }
122 }
123
124 fn completion_for_thread(
125 thread_entry: HistoryEntry,
126 source_range: Range<Anchor>,
127 recent: bool,
128 editor: WeakEntity<MessageEditor>,
129 cx: &mut App,
130 ) -> Completion {
131 let uri = thread_entry.mention_uri();
132
133 let icon_for_completion = if recent {
134 IconName::HistoryRerun.path().into()
135 } else {
136 uri.icon_path(cx)
137 };
138
139 let new_text = format!("{} ", uri.as_link());
140
141 let new_text_len = new_text.len();
142 Completion {
143 replace_range: source_range.clone(),
144 new_text,
145 label: CodeLabel::plain(thread_entry.title().to_string(), None),
146 documentation: None,
147 insert_text_mode: None,
148 source: project::CompletionSource::Custom,
149 icon_path: Some(icon_for_completion),
150 confirm: Some(confirm_completion_callback(
151 thread_entry.title().clone(),
152 source_range.start,
153 new_text_len - 1,
154 editor,
155 uri,
156 )),
157 }
158 }
159
160 fn completion_for_rules(
161 rule: RulesContextEntry,
162 source_range: Range<Anchor>,
163 editor: WeakEntity<MessageEditor>,
164 cx: &mut App,
165 ) -> Completion {
166 let uri = MentionUri::Rule {
167 id: rule.prompt_id.into(),
168 name: rule.title.to_string(),
169 };
170 let new_text = format!("{} ", uri.as_link());
171 let new_text_len = new_text.len();
172 let icon_path = uri.icon_path(cx);
173 Completion {
174 replace_range: source_range.clone(),
175 new_text,
176 label: CodeLabel::plain(rule.title.to_string(), None),
177 documentation: None,
178 insert_text_mode: None,
179 source: project::CompletionSource::Custom,
180 icon_path: Some(icon_path),
181 confirm: Some(confirm_completion_callback(
182 rule.title,
183 source_range.start,
184 new_text_len - 1,
185 editor,
186 uri,
187 )),
188 }
189 }
190
191 pub(crate) fn completion_for_path(
192 project_path: ProjectPath,
193 path_prefix: &RelPath,
194 is_recent: bool,
195 is_directory: bool,
196 source_range: Range<Anchor>,
197 message_editor: WeakEntity<MessageEditor>,
198 project: Entity<Project>,
199 cx: &mut App,
200 ) -> Option<Completion> {
201 let path_style = project.read(cx).path_style(cx);
202 let (file_name, directory) =
203 crate::context_picker::file_context_picker::extract_file_name_and_directory(
204 &project_path.path,
205 path_prefix,
206 path_style,
207 );
208
209 let label =
210 build_code_label_for_full_path(&file_name, directory.as_ref().map(|s| s.as_ref()), cx);
211
212 let abs_path = project.read(cx).absolute_path(&project_path, cx)?;
213
214 let uri = if is_directory {
215 MentionUri::Directory { abs_path }
216 } else {
217 MentionUri::File { abs_path }
218 };
219
220 let crease_icon_path = uri.icon_path(cx);
221 let completion_icon_path = if is_recent {
222 IconName::HistoryRerun.path().into()
223 } else {
224 crease_icon_path
225 };
226
227 let new_text = format!("{} ", uri.as_link());
228 let new_text_len = new_text.len();
229 Some(Completion {
230 replace_range: source_range.clone(),
231 new_text,
232 label,
233 documentation: None,
234 source: project::CompletionSource::Custom,
235 icon_path: Some(completion_icon_path),
236 insert_text_mode: None,
237 confirm: Some(confirm_completion_callback(
238 file_name,
239 source_range.start,
240 new_text_len - 1,
241 message_editor,
242 uri,
243 )),
244 })
245 }
246
247 fn completion_for_symbol(
248 symbol: Symbol,
249 source_range: Range<Anchor>,
250 message_editor: WeakEntity<MessageEditor>,
251 workspace: Entity<Workspace>,
252 cx: &mut App,
253 ) -> Option<Completion> {
254 let project = workspace.read(cx).project().clone();
255
256 let label = CodeLabel::plain(symbol.name.clone(), None);
257
258 let abs_path = match &symbol.path {
259 SymbolLocation::InProject(project_path) => {
260 project.read(cx).absolute_path(&project_path, cx)?
261 }
262 SymbolLocation::OutsideProject {
263 abs_path,
264 signature: _,
265 } => PathBuf::from(abs_path.as_ref()),
266 };
267 let uri = MentionUri::Symbol {
268 abs_path,
269 name: symbol.name.clone(),
270 line_range: symbol.range.start.0.row..=symbol.range.end.0.row,
271 };
272 let new_text = format!("{} ", uri.as_link());
273 let new_text_len = new_text.len();
274 let icon_path = uri.icon_path(cx);
275 Some(Completion {
276 replace_range: source_range.clone(),
277 new_text,
278 label,
279 documentation: None,
280 source: project::CompletionSource::Custom,
281 icon_path: Some(icon_path),
282 insert_text_mode: None,
283 confirm: Some(confirm_completion_callback(
284 symbol.name.into(),
285 source_range.start,
286 new_text_len - 1,
287 message_editor,
288 uri,
289 )),
290 })
291 }
292
293 fn completion_for_fetch(
294 source_range: Range<Anchor>,
295 url_to_fetch: SharedString,
296 message_editor: WeakEntity<MessageEditor>,
297 cx: &mut App,
298 ) -> Option<Completion> {
299 let new_text = format!("@fetch {} ", url_to_fetch);
300 let url_to_fetch = url::Url::parse(url_to_fetch.as_ref())
301 .or_else(|_| url::Url::parse(&format!("https://{url_to_fetch}")))
302 .ok()?;
303 let mention_uri = MentionUri::Fetch {
304 url: url_to_fetch.clone(),
305 };
306 let icon_path = mention_uri.icon_path(cx);
307 Some(Completion {
308 replace_range: source_range.clone(),
309 new_text: new_text.clone(),
310 label: CodeLabel::plain(url_to_fetch.to_string(), None),
311 documentation: None,
312 source: project::CompletionSource::Custom,
313 icon_path: Some(icon_path),
314 insert_text_mode: None,
315 confirm: Some(confirm_completion_callback(
316 url_to_fetch.to_string().into(),
317 source_range.start,
318 new_text.len() - 1,
319 message_editor,
320 mention_uri,
321 )),
322 })
323 }
324
325 pub(crate) fn completion_for_action(
326 action: ContextPickerAction,
327 source_range: Range<Anchor>,
328 message_editor: WeakEntity<MessageEditor>,
329 workspace: &Entity<Workspace>,
330 cx: &mut App,
331 ) -> Option<Completion> {
332 let (new_text, on_action) = match action {
333 ContextPickerAction::AddSelections => {
334 const PLACEHOLDER: &str = "selection ";
335 let selections = selection_ranges(workspace, cx)
336 .into_iter()
337 .enumerate()
338 .map(|(ix, (buffer, range))| {
339 (
340 buffer,
341 range,
342 (PLACEHOLDER.len() * ix)..(PLACEHOLDER.len() * (ix + 1) - 1),
343 )
344 })
345 .collect::<Vec<_>>();
346
347 let new_text: String = PLACEHOLDER.repeat(selections.len());
348
349 let callback = Arc::new({
350 let source_range = source_range.clone();
351 move |_, window: &mut Window, cx: &mut App| {
352 let selections = selections.clone();
353 let message_editor = message_editor.clone();
354 let source_range = source_range.clone();
355 window.defer(cx, move |window, cx| {
356 message_editor
357 .update(cx, |message_editor, cx| {
358 message_editor.confirm_mention_for_selection(
359 source_range,
360 selections,
361 window,
362 cx,
363 )
364 })
365 .ok();
366 });
367 false
368 }
369 });
370
371 (new_text, callback)
372 }
373 };
374
375 Some(Completion {
376 replace_range: source_range,
377 new_text,
378 label: CodeLabel::plain(action.label().to_string(), None),
379 icon_path: Some(action.icon().path().into()),
380 documentation: None,
381 source: project::CompletionSource::Custom,
382 insert_text_mode: None,
383 // This ensures that when a user accepts this completion, the
384 // completion menu will still be shown after "@category " is
385 // inserted
386 confirm: Some(on_action),
387 })
388 }
389
390 fn search_slash_commands(
391 &self,
392 query: String,
393 cx: &mut App,
394 ) -> Task<Vec<acp::AvailableCommand>> {
395 let commands = self.available_commands.borrow().clone();
396 if commands.is_empty() {
397 return Task::ready(Vec::new());
398 }
399
400 cx.spawn(async move |cx| {
401 let candidates = commands
402 .iter()
403 .enumerate()
404 .map(|(id, command)| StringMatchCandidate::new(id, &command.name))
405 .collect::<Vec<_>>();
406
407 let matches = fuzzy::match_strings(
408 &candidates,
409 &query,
410 false,
411 true,
412 100,
413 &Arc::new(AtomicBool::default()),
414 cx.background_executor().clone(),
415 )
416 .await;
417
418 matches
419 .into_iter()
420 .map(|mat| commands[mat.candidate_id].clone())
421 .collect()
422 })
423 }
424
425 fn search_mentions(
426 &self,
427 mode: Option<ContextPickerMode>,
428 query: String,
429 cancellation_flag: Arc<AtomicBool>,
430 cx: &mut App,
431 ) -> Task<Vec<Match>> {
432 let Some(workspace) = self.workspace.upgrade() else {
433 return Task::ready(Vec::default());
434 };
435 match mode {
436 Some(ContextPickerMode::File) => {
437 let search_files_task = search_files(query, cancellation_flag, &workspace, cx);
438 cx.background_spawn(async move {
439 search_files_task
440 .await
441 .into_iter()
442 .map(Match::File)
443 .collect()
444 })
445 }
446
447 Some(ContextPickerMode::Symbol) => {
448 let search_symbols_task = search_symbols(query, cancellation_flag, &workspace, cx);
449 cx.background_spawn(async move {
450 search_symbols_task
451 .await
452 .into_iter()
453 .map(Match::Symbol)
454 .collect()
455 })
456 }
457
458 Some(ContextPickerMode::Thread) => {
459 let search_threads_task =
460 search_threads(query, cancellation_flag, &self.history_store, cx);
461 cx.background_spawn(async move {
462 search_threads_task
463 .await
464 .into_iter()
465 .map(Match::Thread)
466 .collect()
467 })
468 }
469
470 Some(ContextPickerMode::Fetch) => {
471 if !query.is_empty() {
472 Task::ready(vec![Match::Fetch(query.into())])
473 } else {
474 Task::ready(Vec::new())
475 }
476 }
477
478 Some(ContextPickerMode::Rules) => {
479 if let Some(prompt_store) = self.prompt_store.as_ref() {
480 let search_rules_task =
481 search_rules(query, cancellation_flag, prompt_store, cx);
482 cx.background_spawn(async move {
483 search_rules_task
484 .await
485 .into_iter()
486 .map(Match::Rules)
487 .collect::<Vec<_>>()
488 })
489 } else {
490 Task::ready(Vec::new())
491 }
492 }
493
494 None if query.is_empty() => {
495 let mut matches = self.recent_context_picker_entries(&workspace, cx);
496
497 matches.extend(
498 self.available_context_picker_entries(&workspace, cx)
499 .into_iter()
500 .map(|mode| {
501 Match::Entry(EntryMatch {
502 entry: mode,
503 mat: None,
504 })
505 }),
506 );
507
508 Task::ready(matches)
509 }
510 None => {
511 let executor = cx.background_executor().clone();
512
513 let search_files_task =
514 search_files(query.clone(), cancellation_flag, &workspace, cx);
515
516 let entries = self.available_context_picker_entries(&workspace, cx);
517 let entry_candidates = entries
518 .iter()
519 .enumerate()
520 .map(|(ix, entry)| StringMatchCandidate::new(ix, entry.keyword()))
521 .collect::<Vec<_>>();
522
523 cx.background_spawn(async move {
524 let mut matches = search_files_task
525 .await
526 .into_iter()
527 .map(Match::File)
528 .collect::<Vec<_>>();
529
530 let entry_matches = fuzzy::match_strings(
531 &entry_candidates,
532 &query,
533 false,
534 true,
535 100,
536 &Arc::new(AtomicBool::default()),
537 executor,
538 )
539 .await;
540
541 matches.extend(entry_matches.into_iter().map(|mat| {
542 Match::Entry(EntryMatch {
543 entry: entries[mat.candidate_id],
544 mat: Some(mat),
545 })
546 }));
547
548 matches.sort_by(|a, b| {
549 b.score()
550 .partial_cmp(&a.score())
551 .unwrap_or(std::cmp::Ordering::Equal)
552 });
553
554 matches
555 })
556 }
557 }
558 }
559
560 fn recent_context_picker_entries(
561 &self,
562 workspace: &Entity<Workspace>,
563 cx: &mut App,
564 ) -> Vec<Match> {
565 let mut recent = Vec::with_capacity(6);
566
567 let mut mentions = self
568 .message_editor
569 .read_with(cx, |message_editor, _cx| message_editor.mentions())
570 .unwrap_or_default();
571 let workspace = workspace.read(cx);
572 let project = workspace.project().read(cx);
573
574 if let Some(agent_panel) = workspace.panel::<AgentPanel>(cx)
575 && let Some(thread) = agent_panel.read(cx).active_agent_thread(cx)
576 {
577 let thread = thread.read(cx);
578 mentions.insert(MentionUri::Thread {
579 id: thread.session_id().clone(),
580 name: thread.title().into(),
581 });
582 }
583
584 recent.extend(
585 workspace
586 .recent_navigation_history_iter(cx)
587 .filter(|(_, abs_path)| {
588 abs_path.as_ref().is_none_or(|path| {
589 !mentions.contains(&MentionUri::File {
590 abs_path: path.clone(),
591 })
592 })
593 })
594 .take(4)
595 .filter_map(|(project_path, _)| {
596 project
597 .worktree_for_id(project_path.worktree_id, cx)
598 .map(|worktree| {
599 let path_prefix = worktree.read(cx).root_name().into();
600 Match::File(FileMatch {
601 mat: fuzzy::PathMatch {
602 score: 1.,
603 positions: Vec::new(),
604 worktree_id: project_path.worktree_id.to_usize(),
605 path: project_path.path,
606 path_prefix,
607 is_dir: false,
608 distance_to_relative_ancestor: 0,
609 },
610 is_recent: true,
611 })
612 })
613 }),
614 );
615
616 if self.prompt_capabilities.borrow().embedded_context {
617 const RECENT_COUNT: usize = 2;
618 let threads = self
619 .history_store
620 .read(cx)
621 .recently_opened_entries(cx)
622 .into_iter()
623 .filter(|thread| !mentions.contains(&thread.mention_uri()))
624 .take(RECENT_COUNT)
625 .collect::<Vec<_>>();
626
627 recent.extend(threads.into_iter().map(Match::RecentThread));
628 }
629
630 recent
631 }
632
633 fn available_context_picker_entries(
634 &self,
635 workspace: &Entity<Workspace>,
636 cx: &mut App,
637 ) -> Vec<ContextPickerEntry> {
638 let embedded_context = self.prompt_capabilities.borrow().embedded_context;
639 let mut entries = if embedded_context {
640 vec![
641 ContextPickerEntry::Mode(ContextPickerMode::File),
642 ContextPickerEntry::Mode(ContextPickerMode::Symbol),
643 ContextPickerEntry::Mode(ContextPickerMode::Thread),
644 ]
645 } else {
646 // File is always available, but we don't need a mode entry
647 vec![]
648 };
649
650 let has_selection = workspace
651 .read(cx)
652 .active_item(cx)
653 .and_then(|item| item.downcast::<Editor>())
654 .is_some_and(|editor| {
655 editor.update(cx, |editor, cx| editor.has_non_empty_selection(cx))
656 });
657 if has_selection {
658 entries.push(ContextPickerEntry::Action(
659 ContextPickerAction::AddSelections,
660 ));
661 }
662
663 if embedded_context {
664 if self.prompt_store.is_some() {
665 entries.push(ContextPickerEntry::Mode(ContextPickerMode::Rules));
666 }
667
668 entries.push(ContextPickerEntry::Mode(ContextPickerMode::Fetch));
669 }
670
671 entries
672 }
673}
674
675fn build_code_label_for_full_path(file_name: &str, directory: Option<&str>, cx: &App) -> CodeLabel {
676 let comment_id = cx.theme().syntax().highlight_id("comment").map(HighlightId);
677 let mut label = CodeLabelBuilder::default();
678
679 label.push_str(file_name, None);
680 label.push_str(" ", None);
681
682 if let Some(directory) = directory {
683 label.push_str(directory, comment_id);
684 }
685
686 label.build()
687}
688
689impl CompletionProvider for ContextPickerCompletionProvider {
690 fn completions(
691 &self,
692 _excerpt_id: ExcerptId,
693 buffer: &Entity<Buffer>,
694 buffer_position: Anchor,
695 _trigger: CompletionContext,
696 _window: &mut Window,
697 cx: &mut Context<Editor>,
698 ) -> Task<Result<Vec<CompletionResponse>>> {
699 let state = buffer.update(cx, |buffer, _cx| {
700 let position = buffer_position.to_point(buffer);
701 let line_start = Point::new(position.row, 0);
702 let offset_to_line = buffer.point_to_offset(line_start);
703 let mut lines = buffer.text_for_range(line_start..position).lines();
704 let line = lines.next()?;
705 ContextCompletion::try_parse(
706 line,
707 offset_to_line,
708 self.prompt_capabilities.borrow().embedded_context,
709 )
710 });
711 let Some(state) = state else {
712 return Task::ready(Ok(Vec::new()));
713 };
714
715 let Some(workspace) = self.workspace.upgrade() else {
716 return Task::ready(Ok(Vec::new()));
717 };
718
719 let project = workspace.read(cx).project().clone();
720 let snapshot = buffer.read(cx).snapshot();
721 let source_range = snapshot.anchor_before(state.source_range().start)
722 ..snapshot.anchor_after(state.source_range().end);
723
724 let editor = self.message_editor.clone();
725
726 match state {
727 ContextCompletion::SlashCommand(SlashCommandCompletion {
728 command, argument, ..
729 }) => {
730 let search_task = self.search_slash_commands(command.unwrap_or_default(), cx);
731 cx.background_spawn(async move {
732 let completions = search_task
733 .await
734 .into_iter()
735 .map(|command| {
736 let new_text = if let Some(argument) = argument.as_ref() {
737 format!("/{} {}", command.name, argument)
738 } else {
739 format!("/{} ", command.name)
740 };
741
742 let is_missing_argument = argument.is_none() && command.input.is_some();
743 Completion {
744 replace_range: source_range.clone(),
745 new_text,
746 label: CodeLabel::plain(command.name.to_string(), None),
747 documentation: Some(CompletionDocumentation::MultiLinePlainText(
748 command.description.into(),
749 )),
750 source: project::CompletionSource::Custom,
751 icon_path: None,
752 insert_text_mode: None,
753 confirm: Some(Arc::new({
754 let editor = editor.clone();
755 move |intent, _window, cx| {
756 if !is_missing_argument {
757 cx.defer({
758 let editor = editor.clone();
759 move |cx| {
760 editor
761 .update(cx, |editor, cx| {
762 match intent {
763 CompletionIntent::Complete
764 | CompletionIntent::CompleteWithInsert
765 | CompletionIntent::CompleteWithReplace => {
766 if !is_missing_argument {
767 editor.send(cx);
768 }
769 }
770 CompletionIntent::Compose => {}
771 }
772 })
773 .ok();
774 }
775 });
776 }
777 false
778 }
779 })),
780 }
781 })
782 .collect();
783
784 Ok(vec![CompletionResponse {
785 completions,
786 display_options: CompletionDisplayOptions {
787 dynamic_width: true,
788 },
789 // Since this does its own filtering (see `filter_completions()` returns false),
790 // there is no benefit to computing whether this set of completions is incomplete.
791 is_incomplete: true,
792 }])
793 })
794 }
795 ContextCompletion::Mention(MentionCompletion { mode, argument, .. }) => {
796 let query = argument.unwrap_or_default();
797 let search_task =
798 self.search_mentions(mode, query, Arc::<AtomicBool>::default(), cx);
799
800 cx.spawn(async move |_, cx| {
801 let matches = search_task.await;
802
803 let completions = cx.update(|cx| {
804 matches
805 .into_iter()
806 .filter_map(|mat| match mat {
807 Match::File(FileMatch { mat, is_recent }) => {
808 let project_path = ProjectPath {
809 worktree_id: WorktreeId::from_usize(mat.worktree_id),
810 path: mat.path.clone(),
811 };
812
813 Self::completion_for_path(
814 project_path,
815 &mat.path_prefix,
816 is_recent,
817 mat.is_dir,
818 source_range.clone(),
819 editor.clone(),
820 project.clone(),
821 cx,
822 )
823 }
824
825 Match::Symbol(SymbolMatch { symbol, .. }) => {
826 Self::completion_for_symbol(
827 symbol,
828 source_range.clone(),
829 editor.clone(),
830 workspace.clone(),
831 cx,
832 )
833 }
834
835 Match::Thread(thread) => Some(Self::completion_for_thread(
836 thread,
837 source_range.clone(),
838 false,
839 editor.clone(),
840 cx,
841 )),
842
843 Match::RecentThread(thread) => Some(Self::completion_for_thread(
844 thread,
845 source_range.clone(),
846 true,
847 editor.clone(),
848 cx,
849 )),
850
851 Match::Rules(user_rules) => Some(Self::completion_for_rules(
852 user_rules,
853 source_range.clone(),
854 editor.clone(),
855 cx,
856 )),
857
858 Match::Fetch(url) => Self::completion_for_fetch(
859 source_range.clone(),
860 url,
861 editor.clone(),
862 cx,
863 ),
864
865 Match::Entry(EntryMatch { entry, .. }) => {
866 Self::completion_for_entry(
867 entry,
868 source_range.clone(),
869 editor.clone(),
870 &workspace,
871 cx,
872 )
873 }
874 })
875 .collect()
876 })?;
877
878 Ok(vec![CompletionResponse {
879 completions,
880 display_options: CompletionDisplayOptions {
881 dynamic_width: true,
882 },
883 // Since this does its own filtering (see `filter_completions()` returns false),
884 // there is no benefit to computing whether this set of completions is incomplete.
885 is_incomplete: true,
886 }])
887 })
888 }
889 }
890 }
891
892 fn is_completion_trigger(
893 &self,
894 buffer: &Entity<language::Buffer>,
895 position: language::Anchor,
896 _text: &str,
897 _trigger_in_words: bool,
898 _menu_is_open: bool,
899 cx: &mut Context<Editor>,
900 ) -> bool {
901 let buffer = buffer.read(cx);
902 let position = position.to_point(buffer);
903 let line_start = Point::new(position.row, 0);
904 let offset_to_line = buffer.point_to_offset(line_start);
905 let mut lines = buffer.text_for_range(line_start..position).lines();
906 if let Some(line) = lines.next() {
907 ContextCompletion::try_parse(
908 line,
909 offset_to_line,
910 self.prompt_capabilities.borrow().embedded_context,
911 )
912 .filter(|completion| {
913 // Right now we don't support completing arguments of slash commands
914 let is_slash_command_with_argument = matches!(
915 completion,
916 ContextCompletion::SlashCommand(SlashCommandCompletion {
917 argument: Some(_),
918 ..
919 })
920 );
921 !is_slash_command_with_argument
922 })
923 .map(|completion| {
924 completion.source_range().start <= offset_to_line + position.column as usize
925 && completion.source_range().end >= offset_to_line + position.column as usize
926 })
927 .unwrap_or(false)
928 } else {
929 false
930 }
931 }
932
933 fn sort_completions(&self) -> bool {
934 false
935 }
936
937 fn filter_completions(&self) -> bool {
938 false
939 }
940}
941
942fn confirm_completion_callback(
943 crease_text: SharedString,
944 start: Anchor,
945 content_len: usize,
946 message_editor: WeakEntity<MessageEditor>,
947 mention_uri: MentionUri,
948) -> Arc<dyn Fn(CompletionIntent, &mut Window, &mut App) -> bool + Send + Sync> {
949 Arc::new(move |_, window, cx| {
950 let message_editor = message_editor.clone();
951 let crease_text = crease_text.clone();
952 let mention_uri = mention_uri.clone();
953 window.defer(cx, move |window, cx| {
954 message_editor
955 .clone()
956 .update(cx, |message_editor, cx| {
957 message_editor
958 .confirm_mention_completion(
959 crease_text,
960 start,
961 content_len,
962 mention_uri,
963 window,
964 cx,
965 )
966 .detach();
967 })
968 .ok();
969 });
970 false
971 })
972}
973
974enum ContextCompletion {
975 SlashCommand(SlashCommandCompletion),
976 Mention(MentionCompletion),
977}
978
979impl ContextCompletion {
980 fn source_range(&self) -> Range<usize> {
981 match self {
982 Self::SlashCommand(completion) => completion.source_range.clone(),
983 Self::Mention(completion) => completion.source_range.clone(),
984 }
985 }
986
987 fn try_parse(line: &str, offset_to_line: usize, allow_non_file_mentions: bool) -> Option<Self> {
988 if let Some(command) = SlashCommandCompletion::try_parse(line, offset_to_line) {
989 Some(Self::SlashCommand(command))
990 } else if let Some(mention) =
991 MentionCompletion::try_parse(allow_non_file_mentions, line, offset_to_line)
992 {
993 Some(Self::Mention(mention))
994 } else {
995 None
996 }
997 }
998}
999
1000#[derive(Debug, Default, PartialEq)]
1001pub struct SlashCommandCompletion {
1002 pub source_range: Range<usize>,
1003 pub command: Option<String>,
1004 pub argument: Option<String>,
1005}
1006
1007impl SlashCommandCompletion {
1008 pub fn try_parse(line: &str, offset_to_line: usize) -> Option<Self> {
1009 // If we decide to support commands that are not at the beginning of the prompt, we can remove this check
1010 if !line.starts_with('/') || offset_to_line != 0 {
1011 return None;
1012 }
1013
1014 let (prefix, last_command) = line.rsplit_once('/')?;
1015 if prefix.chars().last().is_some_and(|c| !c.is_whitespace())
1016 || last_command.starts_with(char::is_whitespace)
1017 {
1018 return None;
1019 }
1020
1021 let mut argument = None;
1022 let mut command = None;
1023 if let Some((command_text, args)) = last_command.split_once(char::is_whitespace) {
1024 if !args.is_empty() {
1025 argument = Some(args.trim_end().to_string());
1026 }
1027 command = Some(command_text.to_string());
1028 } else if !last_command.is_empty() {
1029 command = Some(last_command.to_string());
1030 };
1031
1032 Some(Self {
1033 source_range: prefix.len() + offset_to_line
1034 ..line
1035 .rfind(|c: char| !c.is_whitespace())
1036 .unwrap_or_else(|| line.len())
1037 + 1
1038 + offset_to_line,
1039 command,
1040 argument,
1041 })
1042 }
1043}
1044
1045#[derive(Debug, Default, PartialEq)]
1046struct MentionCompletion {
1047 source_range: Range<usize>,
1048 mode: Option<ContextPickerMode>,
1049 argument: Option<String>,
1050}
1051
1052impl MentionCompletion {
1053 fn try_parse(allow_non_file_mentions: bool, line: &str, offset_to_line: usize) -> Option<Self> {
1054 let last_mention_start = line.rfind('@')?;
1055
1056 // No whitespace immediately after '@'
1057 if line[last_mention_start + 1..]
1058 .chars()
1059 .next()
1060 .is_some_and(|c| c.is_whitespace())
1061 {
1062 return None;
1063 }
1064
1065 // Must be a word boundary before '@'
1066 if last_mention_start > 0
1067 && line[..last_mention_start]
1068 .chars()
1069 .last()
1070 .is_some_and(|c| !c.is_whitespace())
1071 {
1072 return None;
1073 }
1074
1075 let rest_of_line = &line[last_mention_start + 1..];
1076
1077 let mut mode = None;
1078 let mut argument = None;
1079
1080 let mut parts = rest_of_line.split_whitespace();
1081 let mut end = last_mention_start + 1;
1082
1083 if let Some(mode_text) = parts.next() {
1084 // Safe since we check no leading whitespace above
1085 end += mode_text.len();
1086
1087 if let Some(parsed_mode) = ContextPickerMode::try_from(mode_text).ok()
1088 && (allow_non_file_mentions || matches!(parsed_mode, ContextPickerMode::File))
1089 {
1090 mode = Some(parsed_mode);
1091 } else {
1092 argument = Some(mode_text.to_string());
1093 }
1094 match rest_of_line[mode_text.len()..].find(|c: char| !c.is_whitespace()) {
1095 Some(whitespace_count) => {
1096 if let Some(argument_text) = parts.next() {
1097 // If mode wasn't recognized but we have an argument, don't suggest completions
1098 // (e.g. '@something word')
1099 if mode.is_none() && !argument_text.is_empty() {
1100 return None;
1101 }
1102
1103 argument = Some(argument_text.to_string());
1104 end += whitespace_count + argument_text.len();
1105 }
1106 }
1107 None => {
1108 // Rest of line is entirely whitespace
1109 end += rest_of_line.len() - mode_text.len();
1110 }
1111 }
1112 }
1113
1114 Some(Self {
1115 source_range: last_mention_start + offset_to_line..end + offset_to_line,
1116 mode,
1117 argument,
1118 })
1119 }
1120}
1121
1122#[cfg(test)]
1123mod tests {
1124 use super::*;
1125
1126 #[test]
1127 fn test_slash_command_completion_parse() {
1128 assert_eq!(
1129 SlashCommandCompletion::try_parse("/", 0),
1130 Some(SlashCommandCompletion {
1131 source_range: 0..1,
1132 command: None,
1133 argument: None,
1134 })
1135 );
1136
1137 assert_eq!(
1138 SlashCommandCompletion::try_parse("/help", 0),
1139 Some(SlashCommandCompletion {
1140 source_range: 0..5,
1141 command: Some("help".to_string()),
1142 argument: None,
1143 })
1144 );
1145
1146 assert_eq!(
1147 SlashCommandCompletion::try_parse("/help ", 0),
1148 Some(SlashCommandCompletion {
1149 source_range: 0..5,
1150 command: Some("help".to_string()),
1151 argument: None,
1152 })
1153 );
1154
1155 assert_eq!(
1156 SlashCommandCompletion::try_parse("/help arg1", 0),
1157 Some(SlashCommandCompletion {
1158 source_range: 0..10,
1159 command: Some("help".to_string()),
1160 argument: Some("arg1".to_string()),
1161 })
1162 );
1163
1164 assert_eq!(
1165 SlashCommandCompletion::try_parse("/help arg1 arg2", 0),
1166 Some(SlashCommandCompletion {
1167 source_range: 0..15,
1168 command: Some("help".to_string()),
1169 argument: Some("arg1 arg2".to_string()),
1170 })
1171 );
1172
1173 assert_eq!(
1174 SlashCommandCompletion::try_parse("/拿不到命令 拿不到命令 ", 0),
1175 Some(SlashCommandCompletion {
1176 source_range: 0..30,
1177 command: Some("拿不到命令".to_string()),
1178 argument: Some("拿不到命令".to_string()),
1179 })
1180 );
1181
1182 assert_eq!(SlashCommandCompletion::try_parse("Lorem Ipsum", 0), None);
1183
1184 assert_eq!(SlashCommandCompletion::try_parse("Lorem /", 0), None);
1185
1186 assert_eq!(SlashCommandCompletion::try_parse("Lorem /help", 0), None);
1187
1188 assert_eq!(SlashCommandCompletion::try_parse("Lorem/", 0), None);
1189
1190 assert_eq!(SlashCommandCompletion::try_parse("/ ", 0), None);
1191 }
1192
1193 #[test]
1194 fn test_mention_completion_parse() {
1195 assert_eq!(MentionCompletion::try_parse(true, "Lorem Ipsum", 0), None);
1196
1197 assert_eq!(
1198 MentionCompletion::try_parse(true, "Lorem @", 0),
1199 Some(MentionCompletion {
1200 source_range: 6..7,
1201 mode: None,
1202 argument: None,
1203 })
1204 );
1205
1206 assert_eq!(
1207 MentionCompletion::try_parse(true, "Lorem @file", 0),
1208 Some(MentionCompletion {
1209 source_range: 6..11,
1210 mode: Some(ContextPickerMode::File),
1211 argument: None,
1212 })
1213 );
1214
1215 assert_eq!(
1216 MentionCompletion::try_parse(true, "Lorem @file ", 0),
1217 Some(MentionCompletion {
1218 source_range: 6..12,
1219 mode: Some(ContextPickerMode::File),
1220 argument: None,
1221 })
1222 );
1223
1224 assert_eq!(
1225 MentionCompletion::try_parse(true, "Lorem @file main.rs", 0),
1226 Some(MentionCompletion {
1227 source_range: 6..19,
1228 mode: Some(ContextPickerMode::File),
1229 argument: Some("main.rs".to_string()),
1230 })
1231 );
1232
1233 assert_eq!(
1234 MentionCompletion::try_parse(true, "Lorem @file main.rs ", 0),
1235 Some(MentionCompletion {
1236 source_range: 6..19,
1237 mode: Some(ContextPickerMode::File),
1238 argument: Some("main.rs".to_string()),
1239 })
1240 );
1241
1242 assert_eq!(
1243 MentionCompletion::try_parse(true, "Lorem @file main.rs Ipsum", 0),
1244 Some(MentionCompletion {
1245 source_range: 6..19,
1246 mode: Some(ContextPickerMode::File),
1247 argument: Some("main.rs".to_string()),
1248 })
1249 );
1250
1251 assert_eq!(
1252 MentionCompletion::try_parse(true, "Lorem @main", 0),
1253 Some(MentionCompletion {
1254 source_range: 6..11,
1255 mode: None,
1256 argument: Some("main".to_string()),
1257 })
1258 );
1259
1260 assert_eq!(
1261 MentionCompletion::try_parse(true, "Lorem @main ", 0),
1262 Some(MentionCompletion {
1263 source_range: 6..12,
1264 mode: None,
1265 argument: Some("main".to_string()),
1266 })
1267 );
1268
1269 assert_eq!(MentionCompletion::try_parse(true, "Lorem @main m", 0), None);
1270
1271 assert_eq!(MentionCompletion::try_parse(true, "test@", 0), None);
1272
1273 // Allowed non-file mentions
1274
1275 assert_eq!(
1276 MentionCompletion::try_parse(true, "Lorem @symbol main", 0),
1277 Some(MentionCompletion {
1278 source_range: 6..18,
1279 mode: Some(ContextPickerMode::Symbol),
1280 argument: Some("main".to_string()),
1281 })
1282 );
1283
1284 // Disallowed non-file mentions
1285 assert_eq!(
1286 MentionCompletion::try_parse(false, "Lorem @symbol main", 0),
1287 None
1288 );
1289
1290 assert_eq!(
1291 MentionCompletion::try_parse(true, "Lorem@symbol", 0),
1292 None,
1293 "Should not parse mention inside word"
1294 );
1295
1296 assert_eq!(
1297 MentionCompletion::try_parse(true, "Lorem @ file", 0),
1298 None,
1299 "Should not parse with a space after @"
1300 );
1301
1302 assert_eq!(
1303 MentionCompletion::try_parse(true, "@ file", 0),
1304 None,
1305 "Should not parse with a space after @ at the start of the line"
1306 );
1307 }
1308}