[atl-1217] sketchbook explorer local & remote

arduino-ide-extension/src/browser/create/create-uri.ts

@@ -0,0 +1,39 @@
+import { URI as Uri } from 'vscode-uri';
+import URI from '@theia/core/lib/common/uri';
+import { Create } from './create-api';
+import { toPosixPath, parentPosix, posix } from './create-paths';
+
+export namespace CreateUri {
+    export const scheme = 'arduino-create';
+    export const root = toUri(posix.sep);
+
+    export function toUri(posixPathOrResource: string | Create.Resource): URI {
+        const posixPath =
+            typeof posixPathOrResource === 'string'
+                ? posixPathOrResource
+                : toPosixPath(posixPathOrResource.path);
+        return new URI(
+            Uri.parse(posixPath).with({ scheme, authority: 'create' })
+        );
+    }
+
+    export function is(uri: URI): boolean {
+        return uri.scheme === scheme;
+    }
+
+    export function equals(left: URI, right: URI): boolean {
+        return is(left) && is(right) && left.toString() === right.toString();
+    }
+
+    export function parent(uri: URI): URI {
+        if (!is(uri)) {
+            throw new Error(
+                `Invalid URI scheme. Expected '${scheme}' got '${uri.scheme}' instead.`
+            );
+        }
+        if (equals(uri, root)) {
+            return uri;
+        }
+        return toUri(parentPosix(uri.path.toString()));
+    }
+}