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 (abs_path, file_name) = match &symbol.path {
257 SymbolLocation::InProject(project_path) => (
258 project.read(cx).absolute_path(&project_path, cx)?,
259 project_path.path.file_name()?.to_string().into(),
260 ),
261 SymbolLocation::OutsideProject {
262 abs_path,
263 signature: _,
264 } => (
265 PathBuf::from(abs_path.as_ref()),
266 abs_path.file_name().map(|f| f.to_string_lossy())?,
267 ),
268 };
269
270 let label = build_symbol_label(&symbol.name, &file_name, symbol.range.start.0.row + 1, cx);
271
272 let uri = MentionUri::Symbol {
273 abs_path,
274 name: symbol.name.clone(),
275 line_range: symbol.range.start.0.row..=symbol.range.end.0.row,
276 };
277 let new_text = format!("{} ", uri.as_link());
278 let new_text_len = new_text.len();
279 let icon_path = uri.icon_path(cx);
280 Some(Completion {
281 replace_range: source_range.clone(),
282 new_text,
283 label,
284 documentation: None,
285 source: project::CompletionSource::Custom,
286 icon_path: Some(icon_path),
287 insert_text_mode: None,
288 confirm: Some(confirm_completion_callback(
289 symbol.name.into(),
290 source_range.start,
291 new_text_len - 1,
292 message_editor,
293 uri,
294 )),
295 })
296 }
297
298 fn completion_for_fetch(
299 source_range: Range<Anchor>,
300 url_to_fetch: SharedString,
301 message_editor: WeakEntity<MessageEditor>,
302 cx: &mut App,
303 ) -> Option<Completion> {
304 let new_text = format!("@fetch {} ", url_to_fetch);
305 let url_to_fetch = url::Url::parse(url_to_fetch.as_ref())
306 .or_else(|_| url::Url::parse(&format!("https://{url_to_fetch}")))
307 .ok()?;
308 let mention_uri = MentionUri::Fetch {
309 url: url_to_fetch.clone(),
310 };
311 let icon_path = mention_uri.icon_path(cx);
312 Some(Completion {
313 replace_range: source_range.clone(),
314 new_text: new_text.clone(),
315 label: CodeLabel::plain(url_to_fetch.to_string(), None),
316 documentation: None,
317 source: project::CompletionSource::Custom,
318 icon_path: Some(icon_path),
319 insert_text_mode: None,
320 confirm: Some(confirm_completion_callback(
321 url_to_fetch.to_string().into(),
322 source_range.start,
323 new_text.len() - 1,
324 message_editor,
325 mention_uri,
326 )),
327 })
328 }
329
330 pub(crate) fn completion_for_action(
331 action: ContextPickerAction,
332 source_range: Range<Anchor>,
333 message_editor: WeakEntity<MessageEditor>,
334 workspace: &Entity<Workspace>,
335 cx: &mut App,
336 ) -> Option<Completion> {
337 let (new_text, on_action) = match action {
338 ContextPickerAction::AddSelections => {
339 const PLACEHOLDER: &str = "selection ";
340 let selections = selection_ranges(workspace, cx)
341 .into_iter()
342 .enumerate()
343 .map(|(ix, (buffer, range))| {
344 (
345 buffer,
346 range,
347 (PLACEHOLDER.len() * ix)..(PLACEHOLDER.len() * (ix + 1) - 1),
348 )
349 })
350 .collect::<Vec<_>>();
351
352 let new_text: String = PLACEHOLDER.repeat(selections.len());
353
354 let callback = Arc::new({
355 let source_range = source_range.clone();
356 move |_, window: &mut Window, cx: &mut App| {
357 let selections = selections.clone();
358 let message_editor = message_editor.clone();
359 let source_range = source_range.clone();
360 window.defer(cx, move |window, cx| {
361 message_editor
362 .update(cx, |message_editor, cx| {
363 message_editor.confirm_mention_for_selection(
364 source_range,
365 selections,
366 window,
367 cx,
368 )
369 })
370 .ok();
371 });
372 false
373 }
374 });
375
376 (new_text, callback)
377 }
378 };
379
380 Some(Completion {
381 replace_range: source_range,
382 new_text,
383 label: CodeLabel::plain(action.label().to_string(), None),
384 icon_path: Some(action.icon().path().into()),
385 documentation: None,
386 source: project::CompletionSource::Custom,
387 insert_text_mode: None,
388 // This ensures that when a user accepts this completion, the
389 // completion menu will still be shown after "@category " is
390 // inserted
391 confirm: Some(on_action),
392 })
393 }
394
395 fn search_slash_commands(
396 &self,
397 query: String,
398 cx: &mut App,
399 ) -> Task<Vec<acp::AvailableCommand>> {
400 let commands = self.available_commands.borrow().clone();
401 if commands.is_empty() {
402 return Task::ready(Vec::new());
403 }
404
405 cx.spawn(async move |cx| {
406 let candidates = commands
407 .iter()
408 .enumerate()
409 .map(|(id, command)| StringMatchCandidate::new(id, &command.name))
410 .collect::<Vec<_>>();
411
412 let matches = fuzzy::match_strings(
413 &candidates,
414 &query,
415 false,
416 true,
417 100,
418 &Arc::new(AtomicBool::default()),
419 cx.background_executor().clone(),
420 )
421 .await;
422
423 matches
424 .into_iter()
425 .map(|mat| commands[mat.candidate_id].clone())
426 .collect()
427 })
428 }
429
430 fn search_mentions(
431 &self,
432 mode: Option<ContextPickerMode>,
433 query: String,
434 cancellation_flag: Arc<AtomicBool>,
435 cx: &mut App,
436 ) -> Task<Vec<Match>> {
437 let Some(workspace) = self.workspace.upgrade() else {
438 return Task::ready(Vec::default());
439 };
440 match mode {
441 Some(ContextPickerMode::File) => {
442 let search_files_task = search_files(query, cancellation_flag, &workspace, cx);
443 cx.background_spawn(async move {
444 search_files_task
445 .await
446 .into_iter()
447 .map(Match::File)
448 .collect()
449 })
450 }
451
452 Some(ContextPickerMode::Symbol) => {
453 let search_symbols_task = search_symbols(query, cancellation_flag, &workspace, cx);
454 cx.background_spawn(async move {
455 search_symbols_task
456 .await
457 .into_iter()
458 .map(Match::Symbol)
459 .collect()
460 })
461 }
462
463 Some(ContextPickerMode::Thread) => {
464 let search_threads_task =
465 search_threads(query, cancellation_flag, &self.history_store, cx);
466 cx.background_spawn(async move {
467 search_threads_task
468 .await
469 .into_iter()
470 .map(Match::Thread)
471 .collect()
472 })
473 }
474
475 Some(ContextPickerMode::Fetch) => {
476 if !query.is_empty() {
477 Task::ready(vec![Match::Fetch(query.into())])
478 } else {
479 Task::ready(Vec::new())
480 }
481 }
482
483 Some(ContextPickerMode::Rules) => {
484 if let Some(prompt_store) = self.prompt_store.as_ref() {
485 let search_rules_task =
486 search_rules(query, cancellation_flag, prompt_store, cx);
487 cx.background_spawn(async move {
488 search_rules_task
489 .await
490 .into_iter()
491 .map(Match::Rules)
492 .collect::<Vec<_>>()
493 })
494 } else {
495 Task::ready(Vec::new())
496 }
497 }
498
499 None if query.is_empty() => {
500 let mut matches = self.recent_context_picker_entries(&workspace, cx);
501
502 matches.extend(
503 self.available_context_picker_entries(&workspace, cx)
504 .into_iter()
505 .map(|mode| {
506 Match::Entry(EntryMatch {
507 entry: mode,
508 mat: None,
509 })
510 }),
511 );
512
513 Task::ready(matches)
514 }
515 None => {
516 let executor = cx.background_executor().clone();
517
518 let search_files_task =
519 search_files(query.clone(), cancellation_flag, &workspace, cx);
520
521 let entries = self.available_context_picker_entries(&workspace, cx);
522 let entry_candidates = entries
523 .iter()
524 .enumerate()
525 .map(|(ix, entry)| StringMatchCandidate::new(ix, entry.keyword()))
526 .collect::<Vec<_>>();
527
528 cx.background_spawn(async move {
529 let mut matches = search_files_task
530 .await
531 .into_iter()
532 .map(Match::File)
533 .collect::<Vec<_>>();
534
535 let entry_matches = fuzzy::match_strings(
536 &entry_candidates,
537 &query,
538 false,
539 true,
540 100,
541 &Arc::new(AtomicBool::default()),
542 executor,
543 )
544 .await;
545
546 matches.extend(entry_matches.into_iter().map(|mat| {
547 Match::Entry(EntryMatch {
548 entry: entries[mat.candidate_id],
549 mat: Some(mat),
550 })
551 }));
552
553 matches.sort_by(|a, b| {
554 b.score()
555 .partial_cmp(&a.score())
556 .unwrap_or(std::cmp::Ordering::Equal)
557 });
558
559 matches
560 })
561 }
562 }
563 }
564
565 fn recent_context_picker_entries(
566 &self,
567 workspace: &Entity<Workspace>,
568 cx: &mut App,
569 ) -> Vec<Match> {
570 let mut recent = Vec::with_capacity(6);
571
572 let mut mentions = self
573 .message_editor
574 .read_with(cx, |message_editor, _cx| message_editor.mentions())
575 .unwrap_or_default();
576 let workspace = workspace.read(cx);
577 let project = workspace.project().read(cx);
578
579 if let Some(agent_panel) = workspace.panel::<AgentPanel>(cx)
580 && let Some(thread) = agent_panel.read(cx).active_agent_thread(cx)
581 {
582 let thread = thread.read(cx);
583 mentions.insert(MentionUri::Thread {
584 id: thread.session_id().clone(),
585 name: thread.title().into(),
586 });
587 }
588
589 recent.extend(
590 workspace
591 .recent_navigation_history_iter(cx)
592 .filter(|(_, abs_path)| {
593 abs_path.as_ref().is_none_or(|path| {
594 !mentions.contains(&MentionUri::File {
595 abs_path: path.clone(),
596 })
597 })
598 })
599 .take(4)
600 .filter_map(|(project_path, _)| {
601 project
602 .worktree_for_id(project_path.worktree_id, cx)
603 .map(|worktree| {
604 let path_prefix = worktree.read(cx).root_name().into();
605 Match::File(FileMatch {
606 mat: fuzzy::PathMatch {
607 score: 1.,
608 positions: Vec::new(),
609 worktree_id: project_path.worktree_id.to_usize(),
610 path: project_path.path,
611 path_prefix,
612 is_dir: false,
613 distance_to_relative_ancestor: 0,
614 },
615 is_recent: true,
616 })
617 })
618 }),
619 );
620
621 if self.prompt_capabilities.borrow().embedded_context {
622 const RECENT_COUNT: usize = 2;
623 let threads = self
624 .history_store
625 .read(cx)
626 .recently_opened_entries(cx)
627 .into_iter()
628 .filter(|thread| !mentions.contains(&thread.mention_uri()))
629 .take(RECENT_COUNT)
630 .collect::<Vec<_>>();
631
632 recent.extend(threads.into_iter().map(Match::RecentThread));
633 }
634
635 recent
636 }
637
638 fn available_context_picker_entries(
639 &self,
640 workspace: &Entity<Workspace>,
641 cx: &mut App,
642 ) -> Vec<ContextPickerEntry> {
643 let embedded_context = self.prompt_capabilities.borrow().embedded_context;
644 let mut entries = if embedded_context {
645 vec![
646 ContextPickerEntry::Mode(ContextPickerMode::File),
647 ContextPickerEntry::Mode(ContextPickerMode::Symbol),
648 ContextPickerEntry::Mode(ContextPickerMode::Thread),
649 ]
650 } else {
651 // File is always available, but we don't need a mode entry
652 vec![]
653 };
654
655 let has_selection = workspace
656 .read(cx)
657 .active_item(cx)
658 .and_then(|item| item.downcast::<Editor>())
659 .is_some_and(|editor| {
660 editor.update(cx, |editor, cx| {
661 editor.has_non_empty_selection(&editor.display_snapshot(cx))
662 })
663 });
664 if has_selection {
665 entries.push(ContextPickerEntry::Action(
666 ContextPickerAction::AddSelections,
667 ));
668 }
669
670 if embedded_context {
671 if self.prompt_store.is_some() {
672 entries.push(ContextPickerEntry::Mode(ContextPickerMode::Rules));
673 }
674
675 entries.push(ContextPickerEntry::Mode(ContextPickerMode::Fetch));
676 }
677
678 entries
679 }
680}
681
682fn build_symbol_label(symbol_name: &str, file_name: &str, line: u32, cx: &App) -> CodeLabel {
683 let comment_id = cx.theme().syntax().highlight_id("comment").map(HighlightId);
684 let mut label = CodeLabelBuilder::default();
685
686 label.push_str(symbol_name, None);
687 label.push_str(" ", None);
688 label.push_str(&format!("{} L{}", file_name, line), comment_id);
689
690 label.build()
691}
692
693fn build_code_label_for_full_path(file_name: &str, directory: Option<&str>, cx: &App) -> CodeLabel {
694 let comment_id = cx.theme().syntax().highlight_id("comment").map(HighlightId);
695 let mut label = CodeLabelBuilder::default();
696
697 label.push_str(file_name, None);
698 label.push_str(" ", None);
699
700 if let Some(directory) = directory {
701 label.push_str(directory, comment_id);
702 }
703
704 label.build()
705}
706
707impl CompletionProvider for ContextPickerCompletionProvider {
708 fn completions(
709 &self,
710 _excerpt_id: ExcerptId,
711 buffer: &Entity<Buffer>,
712 buffer_position: Anchor,
713 _trigger: CompletionContext,
714 _window: &mut Window,
715 cx: &mut Context<Editor>,
716 ) -> Task<Result<Vec<CompletionResponse>>> {
717 let state = buffer.update(cx, |buffer, _cx| {
718 let position = buffer_position.to_point(buffer);
719 let line_start = Point::new(position.row, 0);
720 let offset_to_line = buffer.point_to_offset(line_start);
721 let mut lines = buffer.text_for_range(line_start..position).lines();
722 let line = lines.next()?;
723 ContextCompletion::try_parse(
724 line,
725 offset_to_line,
726 self.prompt_capabilities.borrow().embedded_context,
727 )
728 });
729 let Some(state) = state else {
730 return Task::ready(Ok(Vec::new()));
731 };
732
733 let Some(workspace) = self.workspace.upgrade() else {
734 return Task::ready(Ok(Vec::new()));
735 };
736
737 let project = workspace.read(cx).project().clone();
738 let snapshot = buffer.read(cx).snapshot();
739 let source_range = snapshot.anchor_before(state.source_range().start)
740 ..snapshot.anchor_after(state.source_range().end);
741
742 let editor = self.message_editor.clone();
743
744 match state {
745 ContextCompletion::SlashCommand(SlashCommandCompletion {
746 command, argument, ..
747 }) => {
748 let search_task = self.search_slash_commands(command.unwrap_or_default(), cx);
749 cx.background_spawn(async move {
750 let completions = search_task
751 .await
752 .into_iter()
753 .map(|command| {
754 let new_text = if let Some(argument) = argument.as_ref() {
755 format!("/{} {}", command.name, argument)
756 } else {
757 format!("/{} ", command.name)
758 };
759
760 let is_missing_argument = argument.is_none() && command.input.is_some();
761 Completion {
762 replace_range: source_range.clone(),
763 new_text,
764 label: CodeLabel::plain(command.name.to_string(), None),
765 documentation: Some(CompletionDocumentation::MultiLinePlainText(
766 command.description.into(),
767 )),
768 source: project::CompletionSource::Custom,
769 icon_path: None,
770 insert_text_mode: None,
771 confirm: Some(Arc::new({
772 let editor = editor.clone();
773 move |intent, _window, cx| {
774 if !is_missing_argument {
775 cx.defer({
776 let editor = editor.clone();
777 move |cx| {
778 editor
779 .update(cx, |editor, cx| {
780 match intent {
781 CompletionIntent::Complete
782 | CompletionIntent::CompleteWithInsert
783 | CompletionIntent::CompleteWithReplace => {
784 if !is_missing_argument {
785 editor.send(cx);
786 }
787 }
788 CompletionIntent::Compose => {}
789 }
790 })
791 .ok();
792 }
793 });
794 }
795 false
796 }
797 })),
798 }
799 })
800 .collect();
801
802 Ok(vec![CompletionResponse {
803 completions,
804 display_options: CompletionDisplayOptions {
805 dynamic_width: true,
806 },
807 // Since this does its own filtering (see `filter_completions()` returns false),
808 // there is no benefit to computing whether this set of completions is incomplete.
809 is_incomplete: true,
810 }])
811 })
812 }
813 ContextCompletion::Mention(MentionCompletion { mode, argument, .. }) => {
814 let query = argument.unwrap_or_default();
815 let search_task =
816 self.search_mentions(mode, query, Arc::<AtomicBool>::default(), cx);
817
818 cx.spawn(async move |_, cx| {
819 let matches = search_task.await;
820
821 let completions = cx.update(|cx| {
822 matches
823 .into_iter()
824 .filter_map(|mat| match mat {
825 Match::File(FileMatch { mat, is_recent }) => {
826 let project_path = ProjectPath {
827 worktree_id: WorktreeId::from_usize(mat.worktree_id),
828 path: mat.path.clone(),
829 };
830
831 Self::completion_for_path(
832 project_path,
833 &mat.path_prefix,
834 is_recent,
835 mat.is_dir,
836 source_range.clone(),
837 editor.clone(),
838 project.clone(),
839 cx,
840 )
841 }
842
843 Match::Symbol(SymbolMatch { symbol, .. }) => {
844 Self::completion_for_symbol(
845 symbol,
846 source_range.clone(),
847 editor.clone(),
848 workspace.clone(),
849 cx,
850 )
851 }
852
853 Match::Thread(thread) => Some(Self::completion_for_thread(
854 thread,
855 source_range.clone(),
856 false,
857 editor.clone(),
858 cx,
859 )),
860
861 Match::RecentThread(thread) => Some(Self::completion_for_thread(
862 thread,
863 source_range.clone(),
864 true,
865 editor.clone(),
866 cx,
867 )),
868
869 Match::Rules(user_rules) => Some(Self::completion_for_rules(
870 user_rules,
871 source_range.clone(),
872 editor.clone(),
873 cx,
874 )),
875
876 Match::Fetch(url) => Self::completion_for_fetch(
877 source_range.clone(),
878 url,
879 editor.clone(),
880 cx,
881 ),
882
883 Match::Entry(EntryMatch { entry, .. }) => {
884 Self::completion_for_entry(
885 entry,
886 source_range.clone(),
887 editor.clone(),
888 &workspace,
889 cx,
890 )
891 }
892 })
893 .collect()
894 })?;
895
896 Ok(vec![CompletionResponse {
897 completions,
898 display_options: CompletionDisplayOptions {
899 dynamic_width: true,
900 },
901 // Since this does its own filtering (see `filter_completions()` returns false),
902 // there is no benefit to computing whether this set of completions is incomplete.
903 is_incomplete: true,
904 }])
905 })
906 }
907 }
908 }
909
910 fn is_completion_trigger(
911 &self,
912 buffer: &Entity<language::Buffer>,
913 position: language::Anchor,
914 _text: &str,
915 _trigger_in_words: bool,
916 _menu_is_open: bool,
917 cx: &mut Context<Editor>,
918 ) -> bool {
919 let buffer = buffer.read(cx);
920 let position = position.to_point(buffer);
921 let line_start = Point::new(position.row, 0);
922 let offset_to_line = buffer.point_to_offset(line_start);
923 let mut lines = buffer.text_for_range(line_start..position).lines();
924 if let Some(line) = lines.next() {
925 ContextCompletion::try_parse(
926 line,
927 offset_to_line,
928 self.prompt_capabilities.borrow().embedded_context,
929 )
930 .filter(|completion| {
931 // Right now we don't support completing arguments of slash commands
932 let is_slash_command_with_argument = matches!(
933 completion,
934 ContextCompletion::SlashCommand(SlashCommandCompletion {
935 argument: Some(_),
936 ..
937 })
938 );
939 !is_slash_command_with_argument
940 })
941 .map(|completion| {
942 completion.source_range().start <= offset_to_line + position.column as usize
943 && completion.source_range().end >= offset_to_line + position.column as usize
944 })
945 .unwrap_or(false)
946 } else {
947 false
948 }
949 }
950
951 fn sort_completions(&self) -> bool {
952 false
953 }
954
955 fn filter_completions(&self) -> bool {
956 false
957 }
958}
959
960fn confirm_completion_callback(
961 crease_text: SharedString,
962 start: Anchor,
963 content_len: usize,
964 message_editor: WeakEntity<MessageEditor>,
965 mention_uri: MentionUri,
966) -> Arc<dyn Fn(CompletionIntent, &mut Window, &mut App) -> bool + Send + Sync> {
967 Arc::new(move |_, window, cx| {
968 let message_editor = message_editor.clone();
969 let crease_text = crease_text.clone();
970 let mention_uri = mention_uri.clone();
971 window.defer(cx, move |window, cx| {
972 message_editor
973 .clone()
974 .update(cx, |message_editor, cx| {
975 message_editor
976 .confirm_mention_completion(
977 crease_text,
978 start,
979 content_len,
980 mention_uri,
981 window,
982 cx,
983 )
984 .detach();
985 })
986 .ok();
987 });
988 false
989 })
990}
991
992enum ContextCompletion {
993 SlashCommand(SlashCommandCompletion),
994 Mention(MentionCompletion),
995}
996
997impl ContextCompletion {
998 fn source_range(&self) -> Range<usize> {
999 match self {
1000 Self::SlashCommand(completion) => completion.source_range.clone(),
1001 Self::Mention(completion) => completion.source_range.clone(),
1002 }
1003 }
1004
1005 fn try_parse(line: &str, offset_to_line: usize, allow_non_file_mentions: bool) -> Option<Self> {
1006 if let Some(command) = SlashCommandCompletion::try_parse(line, offset_to_line) {
1007 Some(Self::SlashCommand(command))
1008 } else if let Some(mention) =
1009 MentionCompletion::try_parse(allow_non_file_mentions, line, offset_to_line)
1010 {
1011 Some(Self::Mention(mention))
1012 } else {
1013 None
1014 }
1015 }
1016}
1017
1018#[derive(Debug, Default, PartialEq)]
1019pub struct SlashCommandCompletion {
1020 pub source_range: Range<usize>,
1021 pub command: Option<String>,
1022 pub argument: Option<String>,
1023}
1024
1025impl SlashCommandCompletion {
1026 pub fn try_parse(line: &str, offset_to_line: usize) -> Option<Self> {
1027 // If we decide to support commands that are not at the beginning of the prompt, we can remove this check
1028 if !line.starts_with('/') || offset_to_line != 0 {
1029 return None;
1030 }
1031
1032 let (prefix, last_command) = line.rsplit_once('/')?;
1033 if prefix.chars().last().is_some_and(|c| !c.is_whitespace())
1034 || last_command.starts_with(char::is_whitespace)
1035 {
1036 return None;
1037 }
1038
1039 let mut argument = None;
1040 let mut command = None;
1041 if let Some((command_text, args)) = last_command.split_once(char::is_whitespace) {
1042 if !args.is_empty() {
1043 argument = Some(args.trim_end().to_string());
1044 }
1045 command = Some(command_text.to_string());
1046 } else if !last_command.is_empty() {
1047 command = Some(last_command.to_string());
1048 };
1049
1050 Some(Self {
1051 source_range: prefix.len() + offset_to_line
1052 ..line
1053 .rfind(|c: char| !c.is_whitespace())
1054 .unwrap_or_else(|| line.len())
1055 + 1
1056 + offset_to_line,
1057 command,
1058 argument,
1059 })
1060 }
1061}
1062
1063#[derive(Debug, Default, PartialEq)]
1064struct MentionCompletion {
1065 source_range: Range<usize>,
1066 mode: Option<ContextPickerMode>,
1067 argument: Option<String>,
1068}
1069
1070impl MentionCompletion {
1071 fn try_parse(allow_non_file_mentions: bool, line: &str, offset_to_line: usize) -> Option<Self> {
1072 let last_mention_start = line.rfind('@')?;
1073
1074 // No whitespace immediately after '@'
1075 if line[last_mention_start + 1..]
1076 .chars()
1077 .next()
1078 .is_some_and(|c| c.is_whitespace())
1079 {
1080 return None;
1081 }
1082
1083 // Must be a word boundary before '@'
1084 if last_mention_start > 0
1085 && line[..last_mention_start]
1086 .chars()
1087 .last()
1088 .is_some_and(|c| !c.is_whitespace())
1089 {
1090 return None;
1091 }
1092
1093 let rest_of_line = &line[last_mention_start + 1..];
1094
1095 let mut mode = None;
1096 let mut argument = None;
1097
1098 let mut parts = rest_of_line.split_whitespace();
1099 let mut end = last_mention_start + 1;
1100
1101 if let Some(mode_text) = parts.next() {
1102 // Safe since we check no leading whitespace above
1103 end += mode_text.len();
1104
1105 if let Some(parsed_mode) = ContextPickerMode::try_from(mode_text).ok()
1106 && (allow_non_file_mentions || matches!(parsed_mode, ContextPickerMode::File))
1107 {
1108 mode = Some(parsed_mode);
1109 } else {
1110 argument = Some(mode_text.to_string());
1111 }
1112 match rest_of_line[mode_text.len()..].find(|c: char| !c.is_whitespace()) {
1113 Some(whitespace_count) => {
1114 if let Some(argument_text) = parts.next() {
1115 // If mode wasn't recognized but we have an argument, don't suggest completions
1116 // (e.g. '@something word')
1117 if mode.is_none() && !argument_text.is_empty() {
1118 return None;
1119 }
1120
1121 argument = Some(argument_text.to_string());
1122 end += whitespace_count + argument_text.len();
1123 }
1124 }
1125 None => {
1126 // Rest of line is entirely whitespace
1127 end += rest_of_line.len() - mode_text.len();
1128 }
1129 }
1130 }
1131
1132 Some(Self {
1133 source_range: last_mention_start + offset_to_line..end + offset_to_line,
1134 mode,
1135 argument,
1136 })
1137 }
1138}
1139
1140#[cfg(test)]
1141mod tests {
1142 use super::*;
1143
1144 #[test]
1145 fn test_slash_command_completion_parse() {
1146 assert_eq!(
1147 SlashCommandCompletion::try_parse("/", 0),
1148 Some(SlashCommandCompletion {
1149 source_range: 0..1,
1150 command: None,
1151 argument: None,
1152 })
1153 );
1154
1155 assert_eq!(
1156 SlashCommandCompletion::try_parse("/help", 0),
1157 Some(SlashCommandCompletion {
1158 source_range: 0..5,
1159 command: Some("help".to_string()),
1160 argument: None,
1161 })
1162 );
1163
1164 assert_eq!(
1165 SlashCommandCompletion::try_parse("/help ", 0),
1166 Some(SlashCommandCompletion {
1167 source_range: 0..5,
1168 command: Some("help".to_string()),
1169 argument: None,
1170 })
1171 );
1172
1173 assert_eq!(
1174 SlashCommandCompletion::try_parse("/help arg1", 0),
1175 Some(SlashCommandCompletion {
1176 source_range: 0..10,
1177 command: Some("help".to_string()),
1178 argument: Some("arg1".to_string()),
1179 })
1180 );
1181
1182 assert_eq!(
1183 SlashCommandCompletion::try_parse("/help arg1 arg2", 0),
1184 Some(SlashCommandCompletion {
1185 source_range: 0..15,
1186 command: Some("help".to_string()),
1187 argument: Some("arg1 arg2".to_string()),
1188 })
1189 );
1190
1191 assert_eq!(
1192 SlashCommandCompletion::try_parse("/拿不到命令 拿不到命令 ", 0),
1193 Some(SlashCommandCompletion {
1194 source_range: 0..30,
1195 command: Some("拿不到命令".to_string()),
1196 argument: Some("拿不到命令".to_string()),
1197 })
1198 );
1199
1200 assert_eq!(SlashCommandCompletion::try_parse("Lorem Ipsum", 0), None);
1201
1202 assert_eq!(SlashCommandCompletion::try_parse("Lorem /", 0), None);
1203
1204 assert_eq!(SlashCommandCompletion::try_parse("Lorem /help", 0), None);
1205
1206 assert_eq!(SlashCommandCompletion::try_parse("Lorem/", 0), None);
1207
1208 assert_eq!(SlashCommandCompletion::try_parse("/ ", 0), None);
1209 }
1210
1211 #[test]
1212 fn test_mention_completion_parse() {
1213 assert_eq!(MentionCompletion::try_parse(true, "Lorem Ipsum", 0), None);
1214
1215 assert_eq!(
1216 MentionCompletion::try_parse(true, "Lorem @", 0),
1217 Some(MentionCompletion {
1218 source_range: 6..7,
1219 mode: None,
1220 argument: None,
1221 })
1222 );
1223
1224 assert_eq!(
1225 MentionCompletion::try_parse(true, "Lorem @file", 0),
1226 Some(MentionCompletion {
1227 source_range: 6..11,
1228 mode: Some(ContextPickerMode::File),
1229 argument: None,
1230 })
1231 );
1232
1233 assert_eq!(
1234 MentionCompletion::try_parse(true, "Lorem @file ", 0),
1235 Some(MentionCompletion {
1236 source_range: 6..12,
1237 mode: Some(ContextPickerMode::File),
1238 argument: None,
1239 })
1240 );
1241
1242 assert_eq!(
1243 MentionCompletion::try_parse(true, "Lorem @file main.rs", 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 @file main.rs ", 0),
1253 Some(MentionCompletion {
1254 source_range: 6..19,
1255 mode: Some(ContextPickerMode::File),
1256 argument: Some("main.rs".to_string()),
1257 })
1258 );
1259
1260 assert_eq!(
1261 MentionCompletion::try_parse(true, "Lorem @file main.rs Ipsum", 0),
1262 Some(MentionCompletion {
1263 source_range: 6..19,
1264 mode: Some(ContextPickerMode::File),
1265 argument: Some("main.rs".to_string()),
1266 })
1267 );
1268
1269 assert_eq!(
1270 MentionCompletion::try_parse(true, "Lorem @main", 0),
1271 Some(MentionCompletion {
1272 source_range: 6..11,
1273 mode: None,
1274 argument: Some("main".to_string()),
1275 })
1276 );
1277
1278 assert_eq!(
1279 MentionCompletion::try_parse(true, "Lorem @main ", 0),
1280 Some(MentionCompletion {
1281 source_range: 6..12,
1282 mode: None,
1283 argument: Some("main".to_string()),
1284 })
1285 );
1286
1287 assert_eq!(MentionCompletion::try_parse(true, "Lorem @main m", 0), None);
1288
1289 assert_eq!(MentionCompletion::try_parse(true, "test@", 0), None);
1290
1291 // Allowed non-file mentions
1292
1293 assert_eq!(
1294 MentionCompletion::try_parse(true, "Lorem @symbol main", 0),
1295 Some(MentionCompletion {
1296 source_range: 6..18,
1297 mode: Some(ContextPickerMode::Symbol),
1298 argument: Some("main".to_string()),
1299 })
1300 );
1301
1302 // Disallowed non-file mentions
1303 assert_eq!(
1304 MentionCompletion::try_parse(false, "Lorem @symbol main", 0),
1305 None
1306 );
1307
1308 assert_eq!(
1309 MentionCompletion::try_parse(true, "Lorem@symbol", 0),
1310 None,
1311 "Should not parse mention inside word"
1312 );
1313
1314 assert_eq!(
1315 MentionCompletion::try_parse(true, "Lorem @ file", 0),
1316 None,
1317 "Should not parse with a space after @"
1318 );
1319
1320 assert_eq!(
1321 MentionCompletion::try_parse(true, "@ file", 0),
1322 None,
1323 "Should not parse with a space after @ at the start of the line"
1324 );
1325 }
1326}