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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 | 63x 6x 6x 2x 4x 4x 2x 2x 5x 5x 6x 5x 5x 8x 8x 10x 3x 7x 6x 6x 8x | import * as vscode from 'vscode';
import { IDocumentContextService } from '@src/services/document';
/**
* A provider that retrieves the locations of resource references in a document.
*/
export class ResourceReferenceProvider implements vscode.ReferenceProvider {
constructor(private readonly _contextService: IDocumentContextService) { }
provideReferences(document: vscode.TextDocument, position: vscode.Position): vscode.ProviderResult<vscode.Location[]> {
const context = this._contextService.contexts[document.uri.toString()];
if (!context) {
return null;
}
const iri = context.getIriAtPosition(position);
if (iri) {
return this.provideReferencesForIri(iri);
} else {
return null;
}
}
/**
* Counts the references to a given resource across all indexed documents
* without allocating `Location` objects — use this when only the number is
* needed (e.g. the usage CodeLens), not the locations.
* @param iri The IRI of the resource.
* @returns The number of references.
*/
countReferencesForIri(iri: string): number {
let count = 0;
for (const context of Object.values(this._contextService.contexts)) {
// Do not count references in temporary, non-persisted git diff views or other in-memory documents,
// nor in the sources of the preset graphs, which are not part of the workspace.
if (!context.isTemporary && !context.isPreset) {
count += context.references.count(iri);
}
}
return count;
}
/**
* Get the locations of references for a given resource.
* @param iri The IRI of the resource.
* @returns The locations of the references.
*/
provideReferencesForIri(iri: string): vscode.Location[] {
let result: vscode.Location[] = [];
for (const context of Object.values(this._contextService.contexts)) {
// Do not provide references for temporary, non-persisted git diff views or other in-memory documents,
// nor for the sources of the preset graphs, which are not part of the workspace.
if (context.isTemporary || context.isPreset) {
continue;
}
for (const range of context.references.getRanges(iri)) {
const r = new vscode.Range(range.start.line, range.start.character, range.end.line, range.end.character);
result.push(new vscode.Location(context.uri, r));
}
}
return result;
}
} |