Renaming xe::fs to xe::filesystem and xe::kernel::fs to xe::vfs.

Progress on #294.

src/xenia/vfs/virtual_file_system.h

@@ -0,0 +1,62 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2013 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#ifndef XENIA_VFS_VIRTUAL_FILE_SYSTEM_H_
+#define XENIA_VFS_VIRTUAL_FILE_SYSTEM_H_
+
+#include <memory>
+#include <string>
+#include <unordered_map>
+#include <vector>
+
+#include "xenia/vfs/entry.h"
+
+namespace xe {
+namespace vfs {
+
+class Device;
+
+enum class FileSystemType {
+  STFS_TITLE,
+  DISC_IMAGE,
+  XEX_FILE,
+};
+
+class VirtualFileSystem {
+ public:
+  VirtualFileSystem();
+  ~VirtualFileSystem();
+
+  FileSystemType InferType(const std::wstring& local_path);
+  int InitializeFromPath(FileSystemType type, const std::wstring& local_path);
+
+  int RegisterDevice(const std::string& path, Device* device);
+  int RegisterHostPathDevice(const std::string& path,
+                             const std::wstring& local_path, bool read_only);
+  int RegisterDiscImageDevice(const std::string& path,
+                              const std::wstring& local_path);
+  int RegisterSTFSContainerDevice(const std::string& path,
+                                  const std::wstring& local_path);
+
+  int CreateSymbolicLink(const std::string& path, const std::string& target);
+  int DeleteSymbolicLink(const std::string& path);
+
+  std::unique_ptr<Entry> ResolvePath(const std::string& path);
+  X_STATUS Open(std::unique_ptr<Entry> entry, KernelState* kernel_state,
+                Mode mode, bool async, XFile** out_file);
+
+ private:
+  std::vector<Device*> devices_;
+  std::unordered_map<std::string, std::string> symlinks_;
+};
+
+}  // namespace vfs
+}  // namespace xe
+
+#endif  // XENIA_VFS_VIRTUAL_FILE_SYSTEM_H_