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