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

Progress on #294.

src/xenia/vfs/devices/host_path_device.cc

@@ -0,0 +1,51 @@
+/**
+ ******************************************************************************
+ * 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. *
+ ******************************************************************************
+ */
+
+#include "xenia/vfs/devices/host_path_device.h"
+
+#include "xenia/base/filesystem.h"
+#include "xenia/base/logging.h"
+#include "xenia/vfs/devices/host_path_entry.h"
+#include "xenia/kernel/objects/xfile.h"
+
+namespace xe {
+namespace vfs {
+
+HostPathDevice::HostPathDevice(const std::string& path,
+                               const std::wstring& local_path, bool read_only)
+    : Device(path), local_path_(local_path), read_only_(read_only) {}
+
+HostPathDevice::~HostPathDevice() {}
+
+std::unique_ptr<Entry> HostPathDevice::ResolvePath(const char* path) {
+  // The filesystem will have stripped our prefix off already, so the path will
+  // be in the form:
+  // some\PATH.foo
+
+  XELOGFS("HostPathDevice::ResolvePath(%s)", path);
+
+  auto rel_path = xe::to_wstring(path);
+  auto full_path = xe::join_paths(local_path_, rel_path);
+  full_path = xe::fix_path_separators(full_path);
+
+  // Only check the file exists when the device is read-only
+  if (read_only_) {
+    if (!xe::filesystem::PathExists(full_path)) {
+      return nullptr;
+    }
+  }
+
+  // TODO(benvanik): get file info
+  // TODO(benvanik): switch based on type
+
+  return std::make_unique<HostPathEntry>(this, path, full_path);
+}
+
+}  // namespace vfs
+}  // namespace xe