[VFS] Rewrote STFS to use memory mapping

- Replaced old-style buffer, buffer_length with std::span
- Added STFS and SVOD specific Entry and File classes
- Other smaller improvements

src/xenia/vfs/devices/xcontent_container_entry.cc

@@ -2,46 +2,22 @@
  ******************************************************************************
  * Xenia : Xbox 360 Emulator Research Project                                 *
  ******************************************************************************
- * Copyright 2023 Ben Vanik. All rights reserved.                             *
+ * Copyright 2025 Xenia Canary. All rights reserved.                          *
  * Released under the BSD license - see LICENSE in the root for more details. *
  ******************************************************************************
  */
 
 #include "xenia/vfs/devices/xcontent_container_entry.h"
-#include "xenia/vfs/devices/xcontent_container_file.h"
-
-#include <map>
 
 namespace xe {
 namespace vfs {
 
 XContentContainerEntry::XContentContainerEntry(Device* device, Entry* parent,
-                                               const std::string_view path,
-                                               MultiFileHandles* files)
-    : Entry(device, parent, path),
-      files_(files),
-      data_offset_(0),
-      data_size_(0),
-      block_(0) {}
+                                               const std::string_view path)
+    : Entry(device, parent, path), data_offset_(0), data_size_(0), block_(0) {}
 
 XContentContainerEntry::~XContentContainerEntry() = default;
 
-std::unique_ptr<XContentContainerEntry> XContentContainerEntry::Create(
-    Device* device, Entry* parent, const std::string_view name,
-    MultiFileHandles* files) {
-  auto path = xe::utf8::join_guest_paths(parent->path(), name);
-  auto entry =
-      std::make_unique<XContentContainerEntry>(device, parent, path, files);
-
-  return std::move(entry);
-}
-
-X_STATUS XContentContainerEntry::Open(uint32_t desired_access,
-                                      File** out_file) {
-  *out_file = new XContentContainerFile(desired_access, this);
-  return X_STATUS_SUCCESS;
-}
-
 bool XContentContainerEntry::DeleteEntryInternal(Entry* entry) { return false; }
 
 }  // namespace vfs