diff options
Diffstat (limited to 'src/vs/editor/contrib/snippet/browser/snippetSession.ts')
| -rw-r--r-- | src/vs/editor/contrib/snippet/browser/snippetSession.ts | 95 |
1 files changed, 80 insertions, 15 deletions
diff --git a/src/vs/editor/contrib/snippet/browser/snippetSession.ts b/src/vs/editor/contrib/snippet/browser/snippetSession.ts index 00e8268b0b6..74eaa5847f7 100644 --- a/src/vs/editor/contrib/snippet/browser/snippetSession.ts +++ b/src/vs/editor/contrib/snippet/browser/snippetSession.ts @@ -359,6 +359,11 @@ const _defaultOptions: ISnippetSessionInsertOptions = { overtypingCapturer: undefined }; +export interface ISnippetEdit { + range: Range; + template: string; +} + export class SnippetSession { static adjustWhitespace(model: ITextModel, position: IPosition, snippet: TextmateSnippet, adjustIndentation: boolean, adjustNewlines: boolean): string { @@ -434,7 +439,7 @@ export class SnippetSession { return selection; } - static createEditsAndSnippets(editor: IActiveCodeEditor, template: string, overwriteBefore: number, overwriteAfter: number, enforceFinalTabstop: boolean, adjustWhitespace: boolean, clipboardText: string | undefined, overtypingCapturer: OvertypingCapturer | undefined, languageConfigurationService: ILanguageConfigurationService): { edits: IIdentifiedSingleEditOperation[]; snippets: OneSnippet[] } { + static createEditsAndSnippetsFromSelections(editor: IActiveCodeEditor, template: string, overwriteBefore: number, overwriteAfter: number, enforceFinalTabstop: boolean, adjustWhitespace: boolean, clipboardText: string | undefined, overtypingCapturer: OvertypingCapturer | undefined, languageConfigurationService: ILanguageConfigurationService): { edits: IIdentifiedSingleEditOperation[]; snippets: OneSnippet[] } { const edits: IIdentifiedSingleEditOperation[] = []; const snippets: OneSnippet[] = []; @@ -518,22 +523,79 @@ export class SnippetSession { return { edits, snippets }; } - private readonly _editor: IActiveCodeEditor; - private readonly _template: string; - private readonly _templateMerges: [number, number, string][] = []; - private readonly _options: ISnippetSessionInsertOptions; + static createEditsAndSnippetsFromEdits(editor: IActiveCodeEditor, snippetEdits: ISnippetEdit[], enforceFinalTabstop: boolean, adjustWhitespace: boolean, clipboardText: string | undefined, overtypingCapturer: OvertypingCapturer | undefined, languageConfigurationService: ILanguageConfigurationService): { edits: IIdentifiedSingleEditOperation[]; snippets: OneSnippet[] } { + + if (!editor.hasModel() || snippetEdits.length === 0) { + return { edits: [], snippets: [] }; + } + + const edits: IIdentifiedSingleEditOperation[] = []; + const model = editor.getModel(); + + const parser = new SnippetParser(); + const snippet = new TextmateSnippet(); + + // + snippetEdits = snippetEdits.sort((a, b) => Range.compareRangesUsingStarts(a.range, b.range)); + let offset = 0; + for (let i = 0; i < snippetEdits.length; i++) { + + const { range, template } = snippetEdits[i]; + + // gaps between snippet edits are appended as text nodes. this + // ensures placeholder-offsets are later correct + if (i > 0) { + const lastRange = snippetEdits[i - 1].range; + const textRange = Range.fromPositions(lastRange.getEndPosition(), range.getStartPosition()); + const textNode = new Text(model.getValueInRange(textRange)); + snippet.appendChild(textNode); + offset += textNode.value.length; + } + + parser.parseFragment(template, snippet); + + const snippetText = snippet.toString(); + const snippetFragmentText = snippetText.slice(offset); + offset = snippetText.length; + + // make edit + const edit: IIdentifiedSingleEditOperation = EditOperation.replace(range, snippetFragmentText); + edit.identifier = { major: i, minor: 0 }; // mark the edit so only our undo edits will be used to generate end cursors + edit._isTracked = true; + edits.push(edit); + } + + // + parser.ensureFinalTabstop(snippet, enforceFinalTabstop, true); + + // snippet variables resolver + const resolver = new CompositeSnippetVariableResolver([ + editor.invokeWithinContext(accessor => new ModelBasedVariableResolver(accessor.get(ILabelService), model)), + new ClipboardBasedVariableResolver(() => clipboardText, 0, editor.getSelections().length, editor.getOption(EditorOption.multiCursorPaste) === 'spread'), + new SelectionBasedVariableResolver(model, editor.getSelection(), 0, overtypingCapturer), + new CommentBasedVariableResolver(model, editor.getSelection(), languageConfigurationService), + new TimeBasedVariableResolver, + new WorkspaceBasedVariableResolver(editor.invokeWithinContext(accessor => accessor.get(IWorkspaceContextService))), + new RandomBasedVariableResolver, + ]); + snippet.resolveVariables(resolver); + + + return { + edits, + snippets: [new OneSnippet(editor, snippet, '')] + }; + } + + private readonly _templateMerges: [number, number, string | ISnippetEdit[]][] = []; private _snippets: OneSnippet[] = []; constructor( - editor: IActiveCodeEditor, - template: string, - options: ISnippetSessionInsertOptions = _defaultOptions, + private readonly _editor: IActiveCodeEditor, + private readonly _template: string | ISnippetEdit[], + private readonly _options: ISnippetSessionInsertOptions = _defaultOptions, @ILanguageConfigurationService private readonly _languageConfigurationService: ILanguageConfigurationService - ) { - this._editor = editor; - this._template = template; - this._options = options; - } + ) { } dispose(): void { dispose(this._snippets); @@ -549,7 +611,10 @@ export class SnippetSession { } // make insert edit and start with first selections - const { edits, snippets } = SnippetSession.createEditsAndSnippets(this._editor, this._template, this._options.overwriteBefore, this._options.overwriteAfter, false, this._options.adjustWhitespace, this._options.clipboardText, this._options.overtypingCapturer, this._languageConfigurationService); + const { edits, snippets } = typeof this._template === 'string' + ? SnippetSession.createEditsAndSnippetsFromSelections(this._editor, this._template, this._options.overwriteBefore, this._options.overwriteAfter, false, this._options.adjustWhitespace, this._options.clipboardText, this._options.overtypingCapturer, this._languageConfigurationService) + : SnippetSession.createEditsAndSnippetsFromEdits(this._editor, this._template, false, this._options.adjustWhitespace, this._options.clipboardText, this._options.overtypingCapturer, this._languageConfigurationService); + this._snippets = snippets; this._editor.executeEdits('snippet', edits, _undoEdits => { @@ -576,7 +641,7 @@ export class SnippetSession { return; } this._templateMerges.push([this._snippets[0]._nestingLevel, this._snippets[0]._placeholderGroupsIdx, template]); - const { edits, snippets } = SnippetSession.createEditsAndSnippets(this._editor, template, options.overwriteBefore, options.overwriteAfter, true, options.adjustWhitespace, options.clipboardText, options.overtypingCapturer, this._languageConfigurationService); + const { edits, snippets } = SnippetSession.createEditsAndSnippetsFromSelections(this._editor, template, options.overwriteBefore, options.overwriteAfter, true, options.adjustWhitespace, options.clipboardText, options.overtypingCapturer, this._languageConfigurationService); this._editor.executeEdits('snippet', edits, _undoEdits => { // Sometimes, the text buffer will remove automatic whitespace when doing any edits, |