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markersModel.ts
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markersModel.ts
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/*---------------------------------------------------------------------------------------------
* Copyright (c) Microsoft Corporation. All rights reserved.
* Licensed under the MIT License. See License.txt in the project root for license information.
*--------------------------------------------------------------------------------------------*/
import { basename, extUri } from 'vs/base/common/resources';
import { URI } from 'vs/base/common/uri';
import { Range, IRange } from 'vs/editor/common/core/range';
import { IMarker, MarkerSeverity, IRelatedInformation, IMarkerData } from 'vs/platform/markers/common/markers';
import { mergeSort, isNonEmptyArray, flatten } from 'vs/base/common/arrays';
import { ResourceMap } from 'vs/base/common/map';
import { Emitter, Event } from 'vs/base/common/event';
import { Hasher } from 'vs/base/common/hash';
import { withUndefinedAsNull } from 'vs/base/common/types';
export function compareMarkersByUri(a: IMarker, b: IMarker) {
return extUri.compare(a.resource, b.resource);
}
function compareResourceMarkers(a: ResourceMarkers, b: ResourceMarkers): number {
let [firstMarkerOfA] = a.markers;
let [firstMarkerOfB] = b.markers;
let res = 0;
if (firstMarkerOfA && firstMarkerOfB) {
res = MarkerSeverity.compare(firstMarkerOfA.marker.severity, firstMarkerOfB.marker.severity);
}
if (res === 0) {
res = a.path.localeCompare(b.path) || a.name.localeCompare(b.name);
}
return res;
}
function compareMarkers(a: Marker, b: Marker): number {
return MarkerSeverity.compare(a.marker.severity, b.marker.severity)
|| Range.compareRangesUsingStarts(a.marker, b.marker);
}
export class ResourceMarkers {
readonly path: string;
readonly name: string;
private markersMap = new ResourceMap<Marker[]>();
private _total: number = 0;
constructor(readonly id: string, readonly resource: URI) {
this.path = this.resource.fsPath;
this.name = basename(this.resource);
}
get markers(): readonly Marker[] {
return flatten([...this.markersMap.values()]);
}
has(uri: URI) {
return this.markersMap.has(uri);
}
set(uri: URI, marker: Marker[]) {
this.delete(uri);
if (isNonEmptyArray(marker)) {
this.markersMap.set(uri, marker);
this._total += marker.length;
}
}
delete(uri: URI) {
let array = this.markersMap.get(uri);
if (array) {
this._total -= array.length;
this.markersMap.delete(uri);
}
}
get total() {
return this._total;
}
}
export class Marker {
get resource(): URI { return this.marker.resource; }
get range(): IRange { return this.marker; }
private _lines: string[] | undefined;
get lines(): string[] {
if (!this._lines) {
this._lines = this.marker.message.split(/\r\n|\r|\n/g);
}
return this._lines;
}
constructor(
readonly id: string,
readonly marker: IMarker,
readonly relatedInformation: RelatedInformation[] = []
) { }
toString(): string {
return JSON.stringify({
...this.marker,
resource: this.marker.resource.path,
relatedInformation: this.relatedInformation.length ? this.relatedInformation.map(r => ({ ...r.raw, resource: r.raw.resource.path })) : undefined
}, null, '\t');
}
}
export class RelatedInformation {
constructor(
readonly id: string,
readonly marker: IMarker,
readonly raw: IRelatedInformation
) { }
}
export interface MarkerChangesEvent {
readonly added: Set<ResourceMarkers>;
readonly removed: Set<ResourceMarkers>;
readonly updated: Set<ResourceMarkers>;
}
export class MarkersModel {
private cachedSortedResources: ResourceMarkers[] | undefined = undefined;
private readonly _onDidChange = new Emitter<MarkerChangesEvent>();
readonly onDidChange: Event<MarkerChangesEvent> = this._onDidChange.event;
get resourceMarkers(): ResourceMarkers[] {
if (!this.cachedSortedResources) {
this.cachedSortedResources = [...this.resourcesByUri.values()].sort(compareResourceMarkers);
}
return this.cachedSortedResources;
}
private resourcesByUri: Map<string, ResourceMarkers>;
constructor() {
this.resourcesByUri = new Map<string, ResourceMarkers>();
}
private _total: number = 0;
get total(): number {
return this._total;
}
getResourceMarkers(resource: URI): ResourceMarkers | null {
return withUndefinedAsNull(this.resourcesByUri.get(extUri.getComparisonKey(resource, true)));
}
setResourceMarkers(resourcesMarkers: [URI, IMarker[]][]): void {
const change: MarkerChangesEvent = { added: new Set(), removed: new Set(), updated: new Set() };
for (const [resource, rawMarkers] of resourcesMarkers) {
const key = extUri.getComparisonKey(resource, true);
let resourceMarkers = this.resourcesByUri.get(key);
if (isNonEmptyArray(rawMarkers)) {
// update, add
if (!resourceMarkers) {
const resourceMarkersId = this.id(resource.toString());
resourceMarkers = new ResourceMarkers(resourceMarkersId, resource.with({ fragment: null }));
this.resourcesByUri.set(key, resourceMarkers);
change.added.add(resourceMarkers);
} else {
change.updated.add(resourceMarkers);
}
const markersCountByKey = new Map<string, number>();
const markers = mergeSort(rawMarkers.map((rawMarker) => {
const key = IMarkerData.makeKey(rawMarker);
const index = markersCountByKey.get(key) || 0;
markersCountByKey.set(key, index + 1);
const markerId = this.id(resourceMarkers!.id, key, index);
let relatedInformation: RelatedInformation[] | undefined = undefined;
if (rawMarker.relatedInformation) {
relatedInformation = rawMarker.relatedInformation.map((r, index) => new RelatedInformation(this.id(markerId, r.resource.toString(), r.startLineNumber, r.startColumn, r.endLineNumber, r.endColumn, index), rawMarker, r));
}
return new Marker(markerId, rawMarker, relatedInformation);
}), compareMarkers);
this._total -= resourceMarkers.total;
resourceMarkers.set(resource, markers);
this._total += resourceMarkers.total;
} else if (resourceMarkers) {
// clear
this._total -= resourceMarkers.total;
resourceMarkers.delete(resource);
this._total += resourceMarkers.total;
if (resourceMarkers.total === 0) {
this.resourcesByUri.delete(key);
change.removed.add(resourceMarkers);
} else {
change.updated.add(resourceMarkers);
}
}
}
this.cachedSortedResources = undefined;
if (change.added.size || change.removed.size || change.updated.size) {
this._onDidChange.fire(change);
}
}
private id(...values: (string | number)[]): string {
const hasher = new Hasher();
for (const value of values) {
hasher.hash(value);
}
return `${hasher.value}`;
}
dispose(): void {
this._onDidChange.dispose();
this.resourcesByUri.clear();
}
}