[json] language server & client as extension

extensions/json/server/src/jsonLocation.ts

@@ -0,0 +1,37 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+
+export class JSONLocation {
+	private segments: string[];
+
+	constructor(segments: string[]) {
+		this.segments = segments;
+	}
+
+	public append(segment: string): JSONLocation {
+		return new JSONLocation(this.segments.concat(segment));
+	}
+
+	public getSegments() {
+		return this.segments;
+	}
+
+	public matches(segments: string[]) {
+		let k = 0;
+		for (let i = 0; k < segments.length && i < this.segments.length; i++) {
+			if (segments[k] === this.segments[i] || segments[k] === '*') {
+				k++;
+			} else if (segments[k] !== '**') {
+				return false;
+			}
+		}
+		return k === segments.length;
+	}
+
+	public toString(): string {
+		return '[' + this.segments.join('][') + ']';
+	}
+}