monaco-editor/src/language/common/lspLanguageFeatures.ts

1001 lines
27 KiB
TypeScript

/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import * as lsTypes from 'vscode-languageserver-types';
import {
languages,
editor,
IMarkdownString,
Uri,
Position,
IRange,
Range,
CancellationToken,
IDisposable,
MarkerSeverity,
IEvent
} from '../../fillers/monaco-editor-core';
export interface WorkerAccessor<T> {
(...more: Uri[]): Promise<T>;
}
//#region DiagnosticsAdapter
export interface ILanguageWorkerWithDiagnostics {
doValidation(uri: string): Promise<lsTypes.Diagnostic[]>;
}
export class DiagnosticsAdapter<T extends ILanguageWorkerWithDiagnostics> {
protected readonly _disposables: IDisposable[] = [];
private readonly _listener: { [uri: string]: IDisposable } = Object.create(null);
constructor(
private readonly _languageId: string,
protected readonly _worker: WorkerAccessor<T>,
configChangeEvent: IEvent<any>
) {
const onModelAdd = (model: editor.IModel): void => {
let modeId = model.getLanguageId();
if (modeId !== this._languageId) {
return;
}
let handle: number;
this._listener[model.uri.toString()] = model.onDidChangeContent(() => {
window.clearTimeout(handle);
handle = window.setTimeout(() => this._doValidate(model.uri, modeId), 500);
});
this._doValidate(model.uri, modeId);
};
const onModelRemoved = (model: editor.IModel): void => {
editor.setModelMarkers(model, this._languageId, []);
let uriStr = model.uri.toString();
let listener = this._listener[uriStr];
if (listener) {
listener.dispose();
delete this._listener[uriStr];
}
};
this._disposables.push(editor.onDidCreateModel(onModelAdd));
this._disposables.push(editor.onWillDisposeModel(onModelRemoved));
this._disposables.push(
editor.onDidChangeModelLanguage((event) => {
onModelRemoved(event.model);
onModelAdd(event.model);
})
);
this._disposables.push(
configChangeEvent((_) => {
editor.getModels().forEach((model) => {
if (model.getLanguageId() === this._languageId) {
onModelRemoved(model);
onModelAdd(model);
}
});
})
);
this._disposables.push({
dispose: () => {
editor.getModels().forEach(onModelRemoved);
for (let key in this._listener) {
this._listener[key].dispose();
}
}
});
editor.getModels().forEach(onModelAdd);
}
public dispose(): void {
this._disposables.forEach((d) => d && d.dispose());
this._disposables.length = 0;
}
private _doValidate(resource: Uri, languageId: string): void {
this._worker(resource)
.then((worker) => {
return worker.doValidation(resource.toString());
})
.then((diagnostics) => {
const markers = diagnostics.map((d) => toDiagnostics(resource, d));
let model = editor.getModel(resource);
if (model && model.getLanguageId() === languageId) {
editor.setModelMarkers(model, languageId, markers);
}
})
.then(undefined, (err) => {
console.error(err);
});
}
}
function toSeverity(lsSeverity: number | undefined): MarkerSeverity {
switch (lsSeverity) {
case lsTypes.DiagnosticSeverity.Error:
return MarkerSeverity.Error;
case lsTypes.DiagnosticSeverity.Warning:
return MarkerSeverity.Warning;
case lsTypes.DiagnosticSeverity.Information:
return MarkerSeverity.Info;
case lsTypes.DiagnosticSeverity.Hint:
return MarkerSeverity.Hint;
default:
return MarkerSeverity.Info;
}
}
function toDiagnostics(resource: Uri, diag: lsTypes.Diagnostic): editor.IMarkerData {
let code = typeof diag.code === 'number' ? String(diag.code) : <string>diag.code;
return {
severity: toSeverity(diag.severity),
startLineNumber: diag.range.start.line + 1,
startColumn: diag.range.start.character + 1,
endLineNumber: diag.range.end.line + 1,
endColumn: diag.range.end.character + 1,
message: diag.message,
code: code,
source: diag.source
};
}
//#endregion
//#region CompletionAdapter
export interface ILanguageWorkerWithCompletions {
doComplete(uri: string, position: lsTypes.Position): Promise<lsTypes.CompletionList | null>;
}
export class CompletionAdapter<T extends ILanguageWorkerWithCompletions>
implements languages.CompletionItemProvider
{
constructor(
private readonly _worker: WorkerAccessor<T>,
private readonly _triggerCharacters: string[]
) {}
public get triggerCharacters(): string[] {
return this._triggerCharacters;
}
provideCompletionItems(
model: editor.IReadOnlyModel,
position: Position,
context: languages.CompletionContext,
token: CancellationToken
): Promise<languages.CompletionList | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) => {
return worker.doComplete(resource.toString(), fromPosition(position));
})
.then((info) => {
if (!info) {
return;
}
const wordInfo = model.getWordUntilPosition(position);
const wordRange = new Range(
position.lineNumber,
wordInfo.startColumn,
position.lineNumber,
wordInfo.endColumn
);
const items: languages.CompletionItem[] = info.items.map((entry) => {
const item: languages.CompletionItem = {
label: entry.label,
insertText: entry.insertText || entry.label,
sortText: entry.sortText,
filterText: entry.filterText,
documentation: entry.documentation,
detail: entry.detail,
command: toCommand(entry.command),
range: wordRange,
kind: toCompletionItemKind(entry.kind)
};
if (entry.textEdit) {
if (isInsertReplaceEdit(entry.textEdit)) {
item.range = {
insert: toRange(entry.textEdit.insert),
replace: toRange(entry.textEdit.replace)
};
} else {
item.range = toRange(entry.textEdit.range);
}
item.insertText = entry.textEdit.newText;
}
if (entry.additionalTextEdits) {
item.additionalTextEdits =
entry.additionalTextEdits.map<languages.TextEdit>(toTextEdit);
}
if (entry.insertTextFormat === lsTypes.InsertTextFormat.Snippet) {
item.insertTextRules = languages.CompletionItemInsertTextRule.InsertAsSnippet;
}
return item;
});
return {
isIncomplete: info.isIncomplete,
suggestions: items
};
});
}
}
export function fromPosition(position: Position): lsTypes.Position;
export function fromPosition(position: undefined): undefined;
export function fromPosition(position: Position | undefined): lsTypes.Position | undefined;
export function fromPosition(position: Position | undefined): lsTypes.Position | undefined {
if (!position) {
return void 0;
}
return { character: position.column - 1, line: position.lineNumber - 1 };
}
export function fromRange(range: IRange): lsTypes.Range;
export function fromRange(range: undefined): undefined;
export function fromRange(range: IRange | undefined): lsTypes.Range | undefined;
export function fromRange(range: IRange | undefined): lsTypes.Range | undefined {
if (!range) {
return void 0;
}
return {
start: {
line: range.startLineNumber - 1,
character: range.startColumn - 1
},
end: { line: range.endLineNumber - 1, character: range.endColumn - 1 }
};
}
export function toRange(range: lsTypes.Range): Range;
export function toRange(range: undefined): undefined;
export function toRange(range: lsTypes.Range | undefined): Range | undefined;
export function toRange(range: lsTypes.Range | undefined): Range | undefined {
if (!range) {
return void 0;
}
return new Range(
range.start.line + 1,
range.start.character + 1,
range.end.line + 1,
range.end.character + 1
);
}
function isInsertReplaceEdit(
edit: lsTypes.TextEdit | lsTypes.InsertReplaceEdit
): edit is lsTypes.InsertReplaceEdit {
return (
typeof (<lsTypes.InsertReplaceEdit>edit).insert !== 'undefined' &&
typeof (<lsTypes.InsertReplaceEdit>edit).replace !== 'undefined'
);
}
function toCompletionItemKind(kind: number | undefined): languages.CompletionItemKind {
const mItemKind = languages.CompletionItemKind;
switch (kind) {
case lsTypes.CompletionItemKind.Text:
return mItemKind.Text;
case lsTypes.CompletionItemKind.Method:
return mItemKind.Method;
case lsTypes.CompletionItemKind.Function:
return mItemKind.Function;
case lsTypes.CompletionItemKind.Constructor:
return mItemKind.Constructor;
case lsTypes.CompletionItemKind.Field:
return mItemKind.Field;
case lsTypes.CompletionItemKind.Variable:
return mItemKind.Variable;
case lsTypes.CompletionItemKind.Class:
return mItemKind.Class;
case lsTypes.CompletionItemKind.Interface:
return mItemKind.Interface;
case lsTypes.CompletionItemKind.Module:
return mItemKind.Module;
case lsTypes.CompletionItemKind.Property:
return mItemKind.Property;
case lsTypes.CompletionItemKind.Unit:
return mItemKind.Unit;
case lsTypes.CompletionItemKind.Value:
return mItemKind.Value;
case lsTypes.CompletionItemKind.Enum:
return mItemKind.Enum;
case lsTypes.CompletionItemKind.Keyword:
return mItemKind.Keyword;
case lsTypes.CompletionItemKind.Snippet:
return mItemKind.Snippet;
case lsTypes.CompletionItemKind.Color:
return mItemKind.Color;
case lsTypes.CompletionItemKind.File:
return mItemKind.File;
case lsTypes.CompletionItemKind.Reference:
return mItemKind.Reference;
}
return mItemKind.Property;
}
function fromCompletionItemKind(kind: languages.CompletionItemKind): lsTypes.CompletionItemKind {
const mItemKind = languages.CompletionItemKind;
switch (kind) {
case mItemKind.Text:
return lsTypes.CompletionItemKind.Text;
case mItemKind.Method:
return lsTypes.CompletionItemKind.Method;
case mItemKind.Function:
return lsTypes.CompletionItemKind.Function;
case mItemKind.Constructor:
return lsTypes.CompletionItemKind.Constructor;
case mItemKind.Field:
return lsTypes.CompletionItemKind.Field;
case mItemKind.Variable:
return lsTypes.CompletionItemKind.Variable;
case mItemKind.Class:
return lsTypes.CompletionItemKind.Class;
case mItemKind.Interface:
return lsTypes.CompletionItemKind.Interface;
case mItemKind.Module:
return lsTypes.CompletionItemKind.Module;
case mItemKind.Property:
return lsTypes.CompletionItemKind.Property;
case mItemKind.Unit:
return lsTypes.CompletionItemKind.Unit;
case mItemKind.Value:
return lsTypes.CompletionItemKind.Value;
case mItemKind.Enum:
return lsTypes.CompletionItemKind.Enum;
case mItemKind.Keyword:
return lsTypes.CompletionItemKind.Keyword;
case mItemKind.Snippet:
return lsTypes.CompletionItemKind.Snippet;
case mItemKind.Color:
return lsTypes.CompletionItemKind.Color;
case mItemKind.File:
return lsTypes.CompletionItemKind.File;
case mItemKind.Reference:
return lsTypes.CompletionItemKind.Reference;
}
return lsTypes.CompletionItemKind.Property;
}
export function toTextEdit(textEdit: lsTypes.TextEdit): languages.TextEdit;
export function toTextEdit(textEdit: undefined): undefined;
export function toTextEdit(textEdit: lsTypes.TextEdit | undefined): languages.TextEdit | undefined;
export function toTextEdit(textEdit: lsTypes.TextEdit | undefined): languages.TextEdit | undefined {
if (!textEdit) {
return void 0;
}
return {
range: toRange(textEdit.range),
text: textEdit.newText
};
}
function toCommand(c: lsTypes.Command | undefined): languages.Command | undefined {
return c && c.command === 'editor.action.triggerSuggest'
? { id: c.command, title: c.title, arguments: c.arguments }
: undefined;
}
//#endregion
//#region HoverAdapter
export interface ILanguageWorkerWithHover {
doHover(uri: string, position: lsTypes.Position): Promise<lsTypes.Hover | null>;
}
export class HoverAdapter<T extends ILanguageWorkerWithHover> implements languages.HoverProvider {
constructor(private readonly _worker: WorkerAccessor<T>) {}
provideHover(
model: editor.IReadOnlyModel,
position: Position,
token: CancellationToken
): Promise<languages.Hover | undefined> {
let resource = model.uri;
return this._worker(resource)
.then((worker) => {
return worker.doHover(resource.toString(), fromPosition(position));
})
.then((info) => {
if (!info) {
return;
}
return <languages.Hover>{
range: toRange(info.range),
contents: toMarkedStringArray(info.contents)
};
});
}
}
function isMarkupContent(thing: any): thing is lsTypes.MarkupContent {
return (
thing && typeof thing === 'object' && typeof (<lsTypes.MarkupContent>thing).kind === 'string'
);
}
function toMarkdownString(entry: lsTypes.MarkupContent | lsTypes.MarkedString): IMarkdownString {
if (typeof entry === 'string') {
return {
value: entry
};
}
if (isMarkupContent(entry)) {
if (entry.kind === 'plaintext') {
return {
value: entry.value.replace(/[\\`*_{}[\]()#+\-.!]/g, '\\$&')
};
}
return {
value: entry.value
};
}
return { value: '```' + entry.language + '\n' + entry.value + '\n```\n' };
}
function toMarkedStringArray(
contents: lsTypes.MarkupContent | lsTypes.MarkedString | lsTypes.MarkedString[]
): IMarkdownString[] | undefined {
if (!contents) {
return void 0;
}
if (Array.isArray(contents)) {
return contents.map(toMarkdownString);
}
return [toMarkdownString(contents)];
}
//#endregion
//#region DocumentHighlightAdapter
export interface ILanguageWorkerWithDocumentHighlights {
findDocumentHighlights(
uri: string,
position: lsTypes.Position
): Promise<lsTypes.DocumentHighlight[]>;
}
export class DocumentHighlightAdapter<T extends ILanguageWorkerWithDocumentHighlights>
implements languages.DocumentHighlightProvider
{
constructor(private readonly _worker: WorkerAccessor<T>) {}
public provideDocumentHighlights(
model: editor.IReadOnlyModel,
position: Position,
token: CancellationToken
): Promise<languages.DocumentHighlight[] | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) => worker.findDocumentHighlights(resource.toString(), fromPosition(position)))
.then((entries) => {
if (!entries) {
return;
}
return entries.map((entry) => {
return <languages.DocumentHighlight>{
range: toRange(entry.range),
kind: toDocumentHighlightKind(entry.kind)
};
});
});
}
}
function toDocumentHighlightKind(
kind: lsTypes.DocumentHighlightKind | undefined
): languages.DocumentHighlightKind {
switch (kind) {
case lsTypes.DocumentHighlightKind.Read:
return languages.DocumentHighlightKind.Read;
case lsTypes.DocumentHighlightKind.Write:
return languages.DocumentHighlightKind.Write;
case lsTypes.DocumentHighlightKind.Text:
return languages.DocumentHighlightKind.Text;
}
return languages.DocumentHighlightKind.Text;
}
//#endregion
//#region DefinitionAdapter
export interface ILanguageWorkerWithDefinitions {
findDefinition(uri: string, position: lsTypes.Position): Promise<lsTypes.Location | null>;
}
export class DefinitionAdapter<T extends ILanguageWorkerWithDefinitions>
implements languages.DefinitionProvider
{
constructor(private readonly _worker: WorkerAccessor<T>) {}
public provideDefinition(
model: editor.IReadOnlyModel,
position: Position,
token: CancellationToken
): Promise<languages.Definition | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) => {
return worker.findDefinition(resource.toString(), fromPosition(position));
})
.then((definition) => {
if (!definition) {
return;
}
return [toLocation(definition)];
});
}
}
function toLocation(location: lsTypes.Location): languages.Location {
return {
uri: Uri.parse(location.uri),
range: toRange(location.range)
};
}
//#endregion
//#region ReferenceAdapter
export interface ILanguageWorkerWithReferences {
findReferences(uri: string, position: lsTypes.Position): Promise<lsTypes.Location[]>;
}
export class ReferenceAdapter<T extends ILanguageWorkerWithReferences>
implements languages.ReferenceProvider
{
constructor(private readonly _worker: WorkerAccessor<T>) {}
provideReferences(
model: editor.IReadOnlyModel,
position: Position,
context: languages.ReferenceContext,
token: CancellationToken
): Promise<languages.Location[] | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) => {
return worker.findReferences(resource.toString(), fromPosition(position));
})
.then((entries) => {
if (!entries) {
return;
}
return entries.map(toLocation);
});
}
}
//#endregion
//#region RenameAdapter
export interface ILanguageWorkerWithRename {
doRename(
uri: string,
position: lsTypes.Position,
newName: string
): Promise<lsTypes.WorkspaceEdit | null>;
}
export class RenameAdapter<T extends ILanguageWorkerWithRename>
implements languages.RenameProvider
{
constructor(private readonly _worker: WorkerAccessor<T>) {}
provideRenameEdits(
model: editor.IReadOnlyModel,
position: Position,
newName: string,
token: CancellationToken
): Promise<languages.WorkspaceEdit | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) => {
return worker.doRename(resource.toString(), fromPosition(position), newName);
})
.then((edit) => {
return toWorkspaceEdit(edit);
});
}
}
function toWorkspaceEdit(edit: lsTypes.WorkspaceEdit | null): languages.WorkspaceEdit | undefined {
if (!edit || !edit.changes) {
return void 0;
}
let resourceEdits: languages.WorkspaceTextEdit[] = [];
for (let uri in edit.changes) {
const _uri = Uri.parse(uri);
for (let e of edit.changes[uri]) {
resourceEdits.push({
resource: _uri,
edit: {
range: toRange(e.range),
text: e.newText
}
});
}
}
return {
edits: resourceEdits
};
}
//#endregion
//#region DocumentSymbolAdapter
export interface ILanguageWorkerWithDocumentSymbols {
findDocumentSymbols(uri: string): Promise<lsTypes.SymbolInformation[]>;
}
export class DocumentSymbolAdapter<T extends ILanguageWorkerWithDocumentSymbols>
implements languages.DocumentSymbolProvider
{
constructor(private readonly _worker: WorkerAccessor<T>) {}
public provideDocumentSymbols(
model: editor.IReadOnlyModel,
token: CancellationToken
): Promise<languages.DocumentSymbol[] | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) => worker.findDocumentSymbols(resource.toString()))
.then((items) => {
if (!items) {
return;
}
return items.map((item) => ({
name: item.name,
detail: '',
containerName: item.containerName,
kind: toSymbolKind(item.kind),
range: toRange(item.location.range),
selectionRange: toRange(item.location.range),
tags: []
}));
});
}
}
function toSymbolKind(kind: lsTypes.SymbolKind): languages.SymbolKind {
let mKind = languages.SymbolKind;
switch (kind) {
case lsTypes.SymbolKind.File:
return mKind.Array;
case lsTypes.SymbolKind.Module:
return mKind.Module;
case lsTypes.SymbolKind.Namespace:
return mKind.Namespace;
case lsTypes.SymbolKind.Package:
return mKind.Package;
case lsTypes.SymbolKind.Class:
return mKind.Class;
case lsTypes.SymbolKind.Method:
return mKind.Method;
case lsTypes.SymbolKind.Property:
return mKind.Property;
case lsTypes.SymbolKind.Field:
return mKind.Field;
case lsTypes.SymbolKind.Constructor:
return mKind.Constructor;
case lsTypes.SymbolKind.Enum:
return mKind.Enum;
case lsTypes.SymbolKind.Interface:
return mKind.Interface;
case lsTypes.SymbolKind.Function:
return mKind.Function;
case lsTypes.SymbolKind.Variable:
return mKind.Variable;
case lsTypes.SymbolKind.Constant:
return mKind.Constant;
case lsTypes.SymbolKind.String:
return mKind.String;
case lsTypes.SymbolKind.Number:
return mKind.Number;
case lsTypes.SymbolKind.Boolean:
return mKind.Boolean;
case lsTypes.SymbolKind.Array:
return mKind.Array;
}
return mKind.Function;
}
//#endregion
//#region DocumentLinkAdapter
export interface ILanguageWorkerWithDocumentLinks {
findDocumentLinks(uri: string): Promise<lsTypes.DocumentLink[]>;
}
export class DocumentLinkAdapter<T extends ILanguageWorkerWithDocumentLinks>
implements languages.LinkProvider
{
constructor(private _worker: WorkerAccessor<T>) {}
public provideLinks(
model: editor.IReadOnlyModel,
token: CancellationToken
): Promise<languages.ILinksList | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) => worker.findDocumentLinks(resource.toString()))
.then((items) => {
if (!items) {
return;
}
return {
links: items.map((item) => ({
range: toRange(item.range),
url: item.target
}))
};
});
}
}
//#endregion
//#region DocumentFormattingEditProvider, DocumentRangeFormattingEditProvider
export interface ILanguageWorkerWithFormat {
format(
uri: string,
range: lsTypes.Range | null,
options: lsTypes.FormattingOptions
): Promise<lsTypes.TextEdit[]>;
}
export class DocumentFormattingEditProvider<T extends ILanguageWorkerWithFormat>
implements languages.DocumentFormattingEditProvider
{
constructor(private _worker: WorkerAccessor<T>) {}
public provideDocumentFormattingEdits(
model: editor.IReadOnlyModel,
options: languages.FormattingOptions,
token: CancellationToken
): Promise<languages.TextEdit[] | undefined> {
const resource = model.uri;
return this._worker(resource).then((worker) => {
return worker
.format(resource.toString(), null, fromFormattingOptions(options))
.then((edits) => {
if (!edits || edits.length === 0) {
return;
}
return edits.map<languages.TextEdit>(toTextEdit);
});
});
}
}
export class DocumentRangeFormattingEditProvider<T extends ILanguageWorkerWithFormat>
implements languages.DocumentRangeFormattingEditProvider
{
constructor(private _worker: WorkerAccessor<T>) {}
public provideDocumentRangeFormattingEdits(
model: editor.IReadOnlyModel,
range: Range,
options: languages.FormattingOptions,
token: CancellationToken
): Promise<languages.TextEdit[] | undefined> {
const resource = model.uri;
return this._worker(resource).then((worker) => {
return worker
.format(resource.toString(), fromRange(range), fromFormattingOptions(options))
.then((edits) => {
if (!edits || edits.length === 0) {
return;
}
return edits.map<languages.TextEdit>(toTextEdit);
});
});
}
}
function fromFormattingOptions(options: languages.FormattingOptions): lsTypes.FormattingOptions {
return {
tabSize: options.tabSize,
insertSpaces: options.insertSpaces
};
}
//#endregion
//#region DocumentColorAdapter
export interface ILanguageWorkerWithDocumentColors {
findDocumentColors(uri: string): Promise<lsTypes.ColorInformation[]>;
getColorPresentations(
uri: string,
color: lsTypes.Color,
range: lsTypes.Range
): Promise<lsTypes.ColorPresentation[]>;
}
export class DocumentColorAdapter<T extends ILanguageWorkerWithDocumentColors>
implements languages.DocumentColorProvider
{
constructor(private readonly _worker: WorkerAccessor<T>) {}
public provideDocumentColors(
model: editor.IReadOnlyModel,
token: CancellationToken
): Promise<languages.IColorInformation[] | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) => worker.findDocumentColors(resource.toString()))
.then((infos) => {
if (!infos) {
return;
}
return infos.map((item) => ({
color: item.color,
range: toRange(item.range)
}));
});
}
public provideColorPresentations(
model: editor.IReadOnlyModel,
info: languages.IColorInformation,
token: CancellationToken
): Promise<languages.IColorPresentation[] | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) =>
worker.getColorPresentations(resource.toString(), info.color, fromRange(info.range))
)
.then((presentations) => {
if (!presentations) {
return;
}
return presentations.map((presentation) => {
let item: languages.IColorPresentation = {
label: presentation.label
};
if (presentation.textEdit) {
item.textEdit = toTextEdit(presentation.textEdit);
}
if (presentation.additionalTextEdits) {
item.additionalTextEdits =
presentation.additionalTextEdits.map<languages.TextEdit>(toTextEdit);
}
return item;
});
});
}
}
//#endregion
//#region FoldingRangeAdapter
export interface ILanguageWorkerWithFoldingRanges {
getFoldingRanges(uri: string, context?: { rangeLimit?: number }): Promise<lsTypes.FoldingRange[]>;
}
export class FoldingRangeAdapter<T extends ILanguageWorkerWithFoldingRanges>
implements languages.FoldingRangeProvider
{
constructor(private _worker: WorkerAccessor<T>) {}
public provideFoldingRanges(
model: editor.IReadOnlyModel,
context: languages.FoldingContext,
token: CancellationToken
): Promise<languages.FoldingRange[] | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) => worker.getFoldingRanges(resource.toString(), context))
.then((ranges) => {
if (!ranges) {
return;
}
return ranges.map((range) => {
const result: languages.FoldingRange = {
start: range.startLine + 1,
end: range.endLine + 1
};
if (typeof range.kind !== 'undefined') {
result.kind = toFoldingRangeKind(<lsTypes.FoldingRangeKind>range.kind);
}
return result;
});
});
}
}
function toFoldingRangeKind(
kind: lsTypes.FoldingRangeKind
): languages.FoldingRangeKind | undefined {
switch (kind) {
case lsTypes.FoldingRangeKind.Comment:
return languages.FoldingRangeKind.Comment;
case lsTypes.FoldingRangeKind.Imports:
return languages.FoldingRangeKind.Imports;
case lsTypes.FoldingRangeKind.Region:
return languages.FoldingRangeKind.Region;
}
return void 0;
}
//#endregion
//#region SelectionRangeAdapter
export interface ILanguageWorkerWithSelectionRanges {
getSelectionRanges(uri: string, positions: lsTypes.Position[]): Promise<lsTypes.SelectionRange[]>;
}
export class SelectionRangeAdapter<T extends ILanguageWorkerWithSelectionRanges>
implements languages.SelectionRangeProvider
{
constructor(private _worker: WorkerAccessor<T>) {}
public provideSelectionRanges(
model: editor.IReadOnlyModel,
positions: Position[],
token: CancellationToken
): Promise<languages.SelectionRange[][] | undefined> {
const resource = model.uri;
return this._worker(resource)
.then((worker) =>
worker.getSelectionRanges(
resource.toString(),
positions.map<lsTypes.Position>(fromPosition)
)
)
.then((selectionRanges) => {
if (!selectionRanges) {
return;
}
return selectionRanges.map((selectionRange: lsTypes.SelectionRange | undefined) => {
const result: languages.SelectionRange[] = [];
while (selectionRange) {
result.push({ range: toRange(selectionRange.range) });
selectionRange = selectionRange.parent;
}
return result;
});
});
}
}
//#endregion