deploy: current vibn theia state

Made-with: Cursor

packages/filesystem/src/common/filesystem-utils.ts

@@ -0,0 +1,64 @@
+// *****************************************************************************
+// Copyright (C) 2018 Ericsson and others.
+//
+// This program and the accompanying materials are made available under the
+// terms of the Eclipse Public License v. 2.0 which is available at
+// http://www.eclipse.org/legal/epl-2.0.
+//
+// This Source Code may also be made available under the following Secondary
+// Licenses when the conditions for such availability set forth in the Eclipse
+// Public License v. 2.0 are satisfied: GNU General Public License, version 2
+// with the GNU Classpath Exception which is available at
+// https://www.gnu.org/software/classpath/license.html.
+//
+// SPDX-License-Identifier: EPL-2.0 OR GPL-2.0-only WITH Classpath-exception-2.0
+// *****************************************************************************
+
+import { FileStat } from '../common/files';
+import URI from '@theia/core/lib/common/uri';
+
+export namespace FileSystemUtils {
+    export const FILE_NAME_SEPARATOR = ' ';
+
+    /**
+     * Generate unique URI for a given parent which does not collide
+     *
+     * @param parent the `FileStat` of the parent
+     * @param targetUri the initial URI
+     * @param isDirectory indicates whether the given targetUri represents a directory
+     * @param suffix an optional string to append to the file name, in case of collision (e.g. `copy`)
+     */
+    export function generateUniqueResourceURI(parent: FileStat, targetUri: URI, isDirectory: boolean, suffix?: string): URI {
+        const children = !parent.children ? [] : parent.children!.map(child => child.resource);
+        let name = targetUri.path.name;
+        let extension = targetUri.path.ext;
+        if (!name) {
+            // special case for dotfiles (e.g. '.foobar'): use the extension as the name
+            name = targetUri.path.ext;
+            extension = '';
+        }
+        // we want the path base for directories with the source path `foo.bar` to be generated as `foo.bar copy` and not `foo copy.bar` as we do for files
+        if (isDirectory) {
+            name = name + extension;
+            extension = '';
+        }
+
+        let base = name + extension;
+        // test if the name already contains the suffix or the suffix + index, so we don't add it again
+        const nameRegex = RegExp(`.*${FileSystemUtils.FILE_NAME_SEPARATOR}${suffix}(${FileSystemUtils.FILE_NAME_SEPARATOR}[0-9]*)?$`);
+        if (suffix && !nameRegex.test(name) && children.some(child => child.path.base === base)) {
+            name = name + FILE_NAME_SEPARATOR + suffix;
+            base = name + extension;
+        }
+        if (suffix && nameRegex.test(name)) {
+            // remove the existing index from the name, so we can generate a new one
+            name = name.replace(RegExp(`${FILE_NAME_SEPARATOR}[0-9]*$`), '');
+        }
+        let index = 0;
+        while (children.some(child => child.path.base === base)) {
+            index = index + 1;
+            base = name + FILE_NAME_SEPARATOR + index + extension;
+        }
+        return parent.resource.resolve(base);
+    }
+}