Fixed numerous reported bugs. Refactored some of the directory-related code. Added documentation for MasonDs changes to hack/grow/weaken

src/Terminal/DirectoryServerHelpers.ts

@@ -0,0 +1,53 @@
+/**
+ * Helper functions that implement "directory" functionality in the Terminal.
+ * These aren't "real" directories, it's more of a pseudo-directory implementation
+ * that uses mainly string manipulation.
+ *
+ * This file contains function that deal with Server-related directory things.
+ * Functions that deal with the string manipulation can be found in
+ * ./DirectoryHelpers.ts
+ */
+import {
+    isValidDirectoryPath,
+    isInRootDirectory,
+    getFirstParentDirectory,
+} from "./DirectoryHelpers";
+import { BaseServer } from "../Server/BaseServer";
+
+/**
+ * Given a directory (by the full directory path) and a server, returns all
+ * subdirectories of that directory. This is only for FIRST-LEVEl/immediate subdirectories
+ */
+export function getSubdirectories(serv: BaseServer, dir: string): string[] {
+    const res: string[] = [];
+
+    if (!isValidDirectoryPath(dir)) { return res; }
+
+    let t_dir = dir;
+    if (!t_dir.endsWith("/")) { t_dir += "/"; }
+
+    function processFile(fn: string) {
+        if (t_dir === "/" && isInRootDirectory(fn)) {
+            const subdir = getFirstParentDirectory(fn);
+            if (subdir !== "/" && !res.includes(subdir)) {
+                res.push(subdir);
+            }
+        } else if (fn.startsWith(t_dir)) {
+            const remaining = fn.slice(t_dir.length);
+            const subdir = getFirstParentDirectory(remaining);
+            if (subdir !== "/" && !res.includes(subdir)) {
+                res.push(subdir);
+            }
+        }
+    }
+
+    for (const script of serv.scripts) {
+        processFile(script.filename);
+    }
+
+    for (const txt of serv.textFiles) {
+        processFile(txt.fn);
+    }
+
+    return res;
+}