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