Fished decompression (maybe)

Added the necessary skeleton functions to re-add test

src/file.zig

@@ -0,0 +1,48 @@
+//! An easier to use wrapper around an inode.
+
+const std = @import("std");
+const Io = std.Io;
+
+const ExtractionOptions = @import("options.zig");
+const Inode = @import("inode.zig");
+
+const File = @This();
+
+alloc: std.mem.Allocator,
+
+inode: Inode,
+name: []const u8,
+
+/// Creates a new File from an inode. Takes ownership of the Inode and creates a copy of the given name.
+/// Requires the given allocator was used to create the Inode.
+pub fn init(alloc: std.mem.Allocator, in: Inode, name: []const u8) !File {
+    const new_name = try alloc.alloc(u8, name.len);
+    @memcpy(new_name, name);
+    return .{
+        .alloc = alloc,
+
+        .inode = in,
+        .name = new_name,
+    };
+}
+pub fn deinit(self: File) void {
+    self.alloc.free(self.name);
+    self.inode.deinit(self.alloc);
+}
+
+pub fn open(self: File, alloc: std.mem.Allocator, io: Io, filepath: []const u8) !File {
+    _ = self;
+    _ = alloc;
+    _ = io;
+    _ = filepath;
+    return error.TODO;
+}
+
+pub fn extract(self: File, alloc: std.mem.Allocator, io: Io, filepath: []const u8, options: ExtractionOptions) !void {
+    _ = self;
+    _ = alloc;
+    _ = io;
+    _ = filepath;
+    _ = options;
+    return error.TODO;
+}