1use crate::{
2 diagnostic_set::DiagnosticEntry, CodeAction, CodeLabel, Completion, Diagnostic, Language,
3 Operation,
4};
5use anyhow::{anyhow, Result};
6use clock::ReplicaId;
7use lsp::DiagnosticSeverity;
8use rpc::proto;
9use std::{ops::Range, sync::Arc};
10use text::*;
11
12pub use proto::{Buffer, BufferState, LineEnding, SelectionSet};
13
14pub fn deserialize_line_ending(message: proto::LineEnding) -> text::LineEnding {
15 match message {
16 LineEnding::Unix => text::LineEnding::Unix,
17 LineEnding::Windows => text::LineEnding::Windows,
18 }
19}
20
21pub fn serialize_line_ending(message: text::LineEnding) -> proto::LineEnding {
22 match message {
23 text::LineEnding::Unix => proto::LineEnding::Unix,
24 text::LineEnding::Windows => proto::LineEnding::Windows,
25 }
26}
27
28pub fn serialize_operation(operation: &Operation) -> proto::Operation {
29 proto::Operation {
30 variant: Some(match operation {
31 Operation::Buffer(text::Operation::Edit(edit)) => {
32 proto::operation::Variant::Edit(serialize_edit_operation(edit))
33 }
34 Operation::Buffer(text::Operation::Undo {
35 undo,
36 lamport_timestamp,
37 }) => proto::operation::Variant::Undo(proto::operation::Undo {
38 replica_id: undo.id.replica_id as u32,
39 local_timestamp: undo.id.value,
40 lamport_timestamp: lamport_timestamp.value,
41 version: serialize_version(&undo.version),
42 transaction_version: serialize_version(&undo.transaction_version),
43 counts: undo
44 .counts
45 .iter()
46 .map(|(edit_id, count)| proto::UndoCount {
47 replica_id: edit_id.replica_id as u32,
48 local_timestamp: edit_id.value,
49 count: *count,
50 })
51 .collect(),
52 }),
53 Operation::UpdateSelections {
54 selections,
55 line_mode,
56 lamport_timestamp,
57 } => proto::operation::Variant::UpdateSelections(proto::operation::UpdateSelections {
58 replica_id: lamport_timestamp.replica_id as u32,
59 lamport_timestamp: lamport_timestamp.value,
60 selections: serialize_selections(selections),
61 line_mode: *line_mode,
62 }),
63 Operation::UpdateDiagnostics {
64 diagnostics,
65 lamport_timestamp,
66 } => proto::operation::Variant::UpdateDiagnostics(proto::UpdateDiagnostics {
67 replica_id: lamport_timestamp.replica_id as u32,
68 lamport_timestamp: lamport_timestamp.value,
69 diagnostics: serialize_diagnostics(diagnostics.iter()),
70 }),
71 Operation::UpdateCompletionTriggers {
72 triggers,
73 lamport_timestamp,
74 } => proto::operation::Variant::UpdateCompletionTriggers(
75 proto::operation::UpdateCompletionTriggers {
76 replica_id: lamport_timestamp.replica_id as u32,
77 lamport_timestamp: lamport_timestamp.value,
78 triggers: triggers.clone(),
79 },
80 ),
81 }),
82 }
83}
84
85pub fn serialize_edit_operation(operation: &EditOperation) -> proto::operation::Edit {
86 proto::operation::Edit {
87 replica_id: operation.timestamp.replica_id as u32,
88 local_timestamp: operation.timestamp.local,
89 lamport_timestamp: operation.timestamp.lamport,
90 version: serialize_version(&operation.version),
91 ranges: operation.ranges.iter().map(serialize_range).collect(),
92 new_text: operation
93 .new_text
94 .iter()
95 .map(|text| text.to_string())
96 .collect(),
97 }
98}
99
100pub fn serialize_undo_map_entry(
101 (edit_id, counts): (&clock::Local, &[(clock::Local, u32)]),
102) -> proto::UndoMapEntry {
103 proto::UndoMapEntry {
104 replica_id: edit_id.replica_id as u32,
105 local_timestamp: edit_id.value,
106 counts: counts
107 .iter()
108 .map(|(undo_id, count)| proto::UndoCount {
109 replica_id: undo_id.replica_id as u32,
110 local_timestamp: undo_id.value,
111 count: *count,
112 })
113 .collect(),
114 }
115}
116
117pub fn serialize_selections(selections: &Arc<[Selection<Anchor>]>) -> Vec<proto::Selection> {
118 selections.iter().map(serialize_selection).collect()
119}
120
121pub fn serialize_selection(selection: &Selection<Anchor>) -> proto::Selection {
122 proto::Selection {
123 id: selection.id as u64,
124 start: Some(serialize_anchor(&selection.start)),
125 end: Some(serialize_anchor(&selection.end)),
126 reversed: selection.reversed,
127 }
128}
129
130pub fn serialize_diagnostics<'a>(
131 diagnostics: impl IntoIterator<Item = &'a DiagnosticEntry<Anchor>>,
132) -> Vec<proto::Diagnostic> {
133 diagnostics
134 .into_iter()
135 .map(|entry| proto::Diagnostic {
136 start: Some(serialize_anchor(&entry.range.start)),
137 end: Some(serialize_anchor(&entry.range.end)),
138 message: entry.diagnostic.message.clone(),
139 severity: match entry.diagnostic.severity {
140 DiagnosticSeverity::ERROR => proto::diagnostic::Severity::Error,
141 DiagnosticSeverity::WARNING => proto::diagnostic::Severity::Warning,
142 DiagnosticSeverity::INFORMATION => proto::diagnostic::Severity::Information,
143 DiagnosticSeverity::HINT => proto::diagnostic::Severity::Hint,
144 _ => proto::diagnostic::Severity::None,
145 } as i32,
146 group_id: entry.diagnostic.group_id as u64,
147 is_primary: entry.diagnostic.is_primary,
148 is_valid: entry.diagnostic.is_valid,
149 code: entry.diagnostic.code.clone(),
150 is_disk_based: entry.diagnostic.is_disk_based,
151 is_unnecessary: entry.diagnostic.is_unnecessary,
152 })
153 .collect()
154}
155
156pub fn serialize_anchor(anchor: &Anchor) -> proto::Anchor {
157 proto::Anchor {
158 replica_id: anchor.timestamp.replica_id as u32,
159 local_timestamp: anchor.timestamp.value,
160 offset: anchor.offset as u64,
161 bias: match anchor.bias {
162 Bias::Left => proto::Bias::Left as i32,
163 Bias::Right => proto::Bias::Right as i32,
164 },
165 buffer_id: anchor.buffer_id,
166 }
167}
168
169pub fn deserialize_operation(message: proto::Operation) -> Result<Operation> {
170 Ok(
171 match message
172 .variant
173 .ok_or_else(|| anyhow!("missing operation variant"))?
174 {
175 proto::operation::Variant::Edit(edit) => {
176 Operation::Buffer(text::Operation::Edit(deserialize_edit_operation(edit)))
177 }
178 proto::operation::Variant::Undo(undo) => Operation::Buffer(text::Operation::Undo {
179 lamport_timestamp: clock::Lamport {
180 replica_id: undo.replica_id as ReplicaId,
181 value: undo.lamport_timestamp,
182 },
183 undo: UndoOperation {
184 id: clock::Local {
185 replica_id: undo.replica_id as ReplicaId,
186 value: undo.local_timestamp,
187 },
188 version: deserialize_version(undo.version),
189 counts: undo
190 .counts
191 .into_iter()
192 .map(|c| {
193 (
194 clock::Local {
195 replica_id: c.replica_id as ReplicaId,
196 value: c.local_timestamp,
197 },
198 c.count,
199 )
200 })
201 .collect(),
202 transaction_version: deserialize_version(undo.transaction_version),
203 },
204 }),
205 proto::operation::Variant::UpdateSelections(message) => {
206 let selections = message
207 .selections
208 .into_iter()
209 .filter_map(|selection| {
210 Some(Selection {
211 id: selection.id as usize,
212 start: deserialize_anchor(selection.start?)?,
213 end: deserialize_anchor(selection.end?)?,
214 reversed: selection.reversed,
215 goal: SelectionGoal::None,
216 })
217 })
218 .collect::<Vec<_>>();
219
220 Operation::UpdateSelections {
221 lamport_timestamp: clock::Lamport {
222 replica_id: message.replica_id as ReplicaId,
223 value: message.lamport_timestamp,
224 },
225 selections: Arc::from(selections),
226 line_mode: message.line_mode,
227 }
228 }
229 proto::operation::Variant::UpdateDiagnostics(message) => Operation::UpdateDiagnostics {
230 diagnostics: deserialize_diagnostics(message.diagnostics),
231 lamport_timestamp: clock::Lamport {
232 replica_id: message.replica_id as ReplicaId,
233 value: message.lamport_timestamp,
234 },
235 },
236 proto::operation::Variant::UpdateCompletionTriggers(message) => {
237 Operation::UpdateCompletionTriggers {
238 triggers: message.triggers,
239 lamport_timestamp: clock::Lamport {
240 replica_id: message.replica_id as ReplicaId,
241 value: message.lamport_timestamp,
242 },
243 }
244 }
245 },
246 )
247}
248
249pub fn deserialize_edit_operation(edit: proto::operation::Edit) -> EditOperation {
250 EditOperation {
251 timestamp: InsertionTimestamp {
252 replica_id: edit.replica_id as ReplicaId,
253 local: edit.local_timestamp,
254 lamport: edit.lamport_timestamp,
255 },
256 version: deserialize_version(edit.version),
257 ranges: edit.ranges.into_iter().map(deserialize_range).collect(),
258 new_text: edit.new_text.into_iter().map(Arc::from).collect(),
259 }
260}
261
262pub fn deserialize_undo_map_entry(
263 entry: proto::UndoMapEntry,
264) -> (clock::Local, Vec<(clock::Local, u32)>) {
265 (
266 clock::Local {
267 replica_id: entry.replica_id as u16,
268 value: entry.local_timestamp,
269 },
270 entry
271 .counts
272 .into_iter()
273 .map(|undo_count| {
274 (
275 clock::Local {
276 replica_id: undo_count.replica_id as u16,
277 value: undo_count.local_timestamp,
278 },
279 undo_count.count,
280 )
281 })
282 .collect(),
283 )
284}
285
286pub fn deserialize_selections(selections: Vec<proto::Selection>) -> Arc<[Selection<Anchor>]> {
287 Arc::from(
288 selections
289 .into_iter()
290 .filter_map(deserialize_selection)
291 .collect::<Vec<_>>(),
292 )
293}
294
295pub fn deserialize_selection(selection: proto::Selection) -> Option<Selection<Anchor>> {
296 Some(Selection {
297 id: selection.id as usize,
298 start: deserialize_anchor(selection.start?)?,
299 end: deserialize_anchor(selection.end?)?,
300 reversed: selection.reversed,
301 goal: SelectionGoal::None,
302 })
303}
304
305pub fn deserialize_diagnostics(
306 diagnostics: Vec<proto::Diagnostic>,
307) -> Arc<[DiagnosticEntry<Anchor>]> {
308 diagnostics
309 .into_iter()
310 .filter_map(|diagnostic| {
311 Some(DiagnosticEntry {
312 range: deserialize_anchor(diagnostic.start?)?..deserialize_anchor(diagnostic.end?)?,
313 diagnostic: Diagnostic {
314 severity: match proto::diagnostic::Severity::from_i32(diagnostic.severity)? {
315 proto::diagnostic::Severity::Error => DiagnosticSeverity::ERROR,
316 proto::diagnostic::Severity::Warning => DiagnosticSeverity::WARNING,
317 proto::diagnostic::Severity::Information => DiagnosticSeverity::INFORMATION,
318 proto::diagnostic::Severity::Hint => DiagnosticSeverity::HINT,
319 proto::diagnostic::Severity::None => return None,
320 },
321 message: diagnostic.message,
322 group_id: diagnostic.group_id as usize,
323 code: diagnostic.code,
324 is_valid: diagnostic.is_valid,
325 is_primary: diagnostic.is_primary,
326 is_disk_based: diagnostic.is_disk_based,
327 is_unnecessary: diagnostic.is_unnecessary,
328 },
329 })
330 })
331 .collect()
332}
333
334pub fn deserialize_anchor(anchor: proto::Anchor) -> Option<Anchor> {
335 Some(Anchor {
336 timestamp: clock::Local {
337 replica_id: anchor.replica_id as ReplicaId,
338 value: anchor.local_timestamp,
339 },
340 offset: anchor.offset as usize,
341 bias: match proto::Bias::from_i32(anchor.bias)? {
342 proto::Bias::Left => Bias::Left,
343 proto::Bias::Right => Bias::Right,
344 },
345 buffer_id: anchor.buffer_id,
346 })
347}
348
349pub fn lamport_timestamp_for_operation(operation: &proto::Operation) -> Option<clock::Lamport> {
350 let replica_id;
351 let value;
352 match operation.variant.as_ref()? {
353 proto::operation::Variant::Edit(op) => {
354 replica_id = op.replica_id;
355 value = op.lamport_timestamp;
356 }
357 proto::operation::Variant::Undo(op) => {
358 replica_id = op.replica_id;
359 value = op.lamport_timestamp;
360 }
361 proto::operation::Variant::UpdateDiagnostics(op) => {
362 replica_id = op.replica_id;
363 value = op.lamport_timestamp;
364 }
365 proto::operation::Variant::UpdateSelections(op) => {
366 replica_id = op.replica_id;
367 value = op.lamport_timestamp;
368 }
369 proto::operation::Variant::UpdateCompletionTriggers(op) => {
370 replica_id = op.replica_id;
371 value = op.lamport_timestamp;
372 }
373 }
374
375 Some(clock::Lamport {
376 replica_id: replica_id as ReplicaId,
377 value,
378 })
379}
380
381pub fn serialize_completion(completion: &Completion) -> proto::Completion {
382 proto::Completion {
383 old_start: Some(serialize_anchor(&completion.old_range.start)),
384 old_end: Some(serialize_anchor(&completion.old_range.end)),
385 new_text: completion.new_text.clone(),
386 lsp_completion: serde_json::to_vec(&completion.lsp_completion).unwrap(),
387 }
388}
389
390pub async fn deserialize_completion(
391 completion: proto::Completion,
392 language: Option<Arc<Language>>,
393) -> Result<Completion> {
394 let old_start = completion
395 .old_start
396 .and_then(deserialize_anchor)
397 .ok_or_else(|| anyhow!("invalid old start"))?;
398 let old_end = completion
399 .old_end
400 .and_then(deserialize_anchor)
401 .ok_or_else(|| anyhow!("invalid old end"))?;
402 let lsp_completion = serde_json::from_slice(&completion.lsp_completion)?;
403 let label = match language {
404 Some(l) => l.label_for_completion(&lsp_completion).await,
405 None => None,
406 };
407
408 Ok(Completion {
409 old_range: old_start..old_end,
410 new_text: completion.new_text,
411 label: label.unwrap_or(CodeLabel::plain(
412 lsp_completion.label.clone(),
413 lsp_completion.filter_text.as_deref(),
414 )),
415 lsp_completion,
416 })
417}
418
419pub fn serialize_code_action(action: &CodeAction) -> proto::CodeAction {
420 proto::CodeAction {
421 start: Some(serialize_anchor(&action.range.start)),
422 end: Some(serialize_anchor(&action.range.end)),
423 lsp_action: serde_json::to_vec(&action.lsp_action).unwrap(),
424 }
425}
426
427pub fn deserialize_code_action(action: proto::CodeAction) -> Result<CodeAction> {
428 let start = action
429 .start
430 .and_then(deserialize_anchor)
431 .ok_or_else(|| anyhow!("invalid start"))?;
432 let end = action
433 .end
434 .and_then(deserialize_anchor)
435 .ok_or_else(|| anyhow!("invalid end"))?;
436 let lsp_action = serde_json::from_slice(&action.lsp_action)?;
437 Ok(CodeAction {
438 range: start..end,
439 lsp_action,
440 })
441}
442
443pub fn serialize_transaction(transaction: &Transaction) -> proto::Transaction {
444 proto::Transaction {
445 id: Some(serialize_local_timestamp(transaction.id)),
446 edit_ids: transaction
447 .edit_ids
448 .iter()
449 .copied()
450 .map(serialize_local_timestamp)
451 .collect(),
452 start: serialize_version(&transaction.start),
453 }
454}
455
456pub fn deserialize_transaction(transaction: proto::Transaction) -> Result<Transaction> {
457 Ok(Transaction {
458 id: deserialize_local_timestamp(
459 transaction
460 .id
461 .ok_or_else(|| anyhow!("missing transaction id"))?,
462 ),
463 edit_ids: transaction
464 .edit_ids
465 .into_iter()
466 .map(deserialize_local_timestamp)
467 .collect(),
468 start: deserialize_version(transaction.start.into()),
469 })
470}
471
472pub fn serialize_local_timestamp(timestamp: clock::Local) -> proto::LocalTimestamp {
473 proto::LocalTimestamp {
474 replica_id: timestamp.replica_id as u32,
475 value: timestamp.value,
476 }
477}
478
479pub fn deserialize_local_timestamp(timestamp: proto::LocalTimestamp) -> clock::Local {
480 clock::Local {
481 replica_id: timestamp.replica_id as ReplicaId,
482 value: timestamp.value,
483 }
484}
485
486pub fn serialize_range(range: &Range<FullOffset>) -> proto::Range {
487 proto::Range {
488 start: range.start.0 as u64,
489 end: range.end.0 as u64,
490 }
491}
492
493pub fn deserialize_range(range: proto::Range) -> Range<FullOffset> {
494 FullOffset(range.start as usize)..FullOffset(range.end as usize)
495}
496
497pub fn deserialize_version(message: Vec<proto::VectorClockEntry>) -> clock::Global {
498 let mut version = clock::Global::new();
499 for entry in message {
500 version.observe(clock::Local {
501 replica_id: entry.replica_id as ReplicaId,
502 value: entry.timestamp,
503 });
504 }
505 version
506}
507
508pub fn serialize_version(version: &clock::Global) -> Vec<proto::VectorClockEntry> {
509 version
510 .iter()
511 .map(|entry| proto::VectorClockEntry {
512 replica_id: entry.replica_id as u32,
513 timestamp: entry.value,
514 })
515 .collect()
516}