Extensive work on building, wearables, assets, inventory, attachments, serialization, etc.

Resolves #36

lib/classes/TarFile.ts

@@ -0,0 +1,44 @@
+import * as fs from 'fs';
+
+export class TarFile
+{
+    fileName: string;
+    fileMode: number;
+    userID: number;
+    groupID: number;
+    modifyTime: Date;
+    linkIndicator: number;
+    linkedFile: string;
+    offset: number;
+    fileSize: number;
+    archiveFile: string;
+
+    read(): Promise<Buffer>
+    {
+        return new Promise<Buffer>((resolve, reject) =>
+        {
+            fs.open(this.archiveFile, 'r', (err: Error | null, fd: number) =>
+            {
+                if (err)
+                {
+                    reject(err);
+                }
+                else
+                {
+                    const buf = Buffer.alloc(this.fileSize);
+                    fs.read(fd, buf, 0, this.fileSize, this.offset, (err2: Error | null, bytesRead: number, buffer: Buffer) =>
+                    {
+                        if (err2)
+                        {
+                            reject(err2);
+                        }
+                        else
+                        {
+                            resolve(buffer);
+                        }
+                    })
+                }
+            });
+        });
+    }
+}