From cf0a7cd1c16b91fc295edc90a7a1d92d5e056f8a Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Sun, 12 Aug 2018 16:37:38 -0400
Subject: [PATCH] vfs: Make type hierarchy objects classes instead of structs

struct should be used when the data type is very simple or otherwise has
no invariants associated with it. Given these are used to form a
hierarchy, class should be used instead.
---
 src/core/file_sys/vfs.h        | 18 +++++++++++-------
 src/core/file_sys/vfs_offset.h |  3 ++-
 src/core/file_sys/vfs_vector.h |  3 ++-
 src/core/hle/service/service.h |  2 +-
 4 files changed, 16 insertions(+), 10 deletions(-)

diff --git a/src/core/file_sys/vfs.h b/src/core/file_sys/vfs.h
index 141a053ce0..3bbc361bac 100644
--- a/src/core/file_sys/vfs.h
+++ b/src/core/file_sys/vfs.h
@@ -15,9 +15,9 @@
 
 namespace FileSys {
 
-struct VfsFilesystem;
-struct VfsFile;
-struct VfsDirectory;
+class VfsDirectory;
+class VfsFile;
+class VfsFilesystem;
 
 // Convenience typedefs to use Vfs* interfaces
 using VirtualFilesystem = std::shared_ptr<VfsFilesystem>;
@@ -34,7 +34,8 @@ enum class VfsEntryType {
 // A class representing an abstract filesystem. A default implementation given the root VirtualDir
 // is provided for convenience, but if the Vfs implementation has any additional state or
 // functionality, they will need to override.
-struct VfsFilesystem : NonCopyable {
+class VfsFilesystem : NonCopyable {
+public:
     VfsFilesystem(VirtualDir root);
     virtual ~VfsFilesystem();
 
@@ -81,7 +82,8 @@ protected:
 };
 
 // A class representing a file in an abstract filesystem.
-struct VfsFile : NonCopyable {
+class VfsFile : NonCopyable {
+public:
     virtual ~VfsFile();
 
     // Retrieves the file name.
@@ -179,7 +181,8 @@ struct VfsFile : NonCopyable {
 };
 
 // A class representing a directory in an abstract filesystem.
-struct VfsDirectory : NonCopyable {
+class VfsDirectory : NonCopyable {
+public:
     virtual ~VfsDirectory();
 
     // Retrives the file located at path as if the current directory was root. Returns nullptr if
@@ -295,7 +298,8 @@ protected:
 
 // A convenience partial-implementation of VfsDirectory that stubs out methods that should only work
 // if writable. This is to avoid redundant empty methods everywhere.
-struct ReadOnlyVfsDirectory : public VfsDirectory {
+class ReadOnlyVfsDirectory : public VfsDirectory {
+public:
     bool IsWritable() const override;
     bool IsReadable() const override;
     std::shared_ptr<VfsDirectory> CreateSubdirectory(std::string_view name) override;
diff --git a/src/core/file_sys/vfs_offset.h b/src/core/file_sys/vfs_offset.h
index 235970dc5e..cb92d15707 100644
--- a/src/core/file_sys/vfs_offset.h
+++ b/src/core/file_sys/vfs_offset.h
@@ -15,7 +15,8 @@ namespace FileSys {
 // Similar to seeking to an offset.
 // If the file is writable, operations that would write past the end of the offset file will expand
 // the size of this wrapper.
-struct OffsetVfsFile : public VfsFile {
+class OffsetVfsFile : public VfsFile {
+public:
     OffsetVfsFile(std::shared_ptr<VfsFile> file, size_t size, size_t offset = 0,
                   std::string new_name = "", VirtualDir new_parent = nullptr);
 
diff --git a/src/core/file_sys/vfs_vector.h b/src/core/file_sys/vfs_vector.h
index ba469647bf..b3b4682338 100644
--- a/src/core/file_sys/vfs_vector.h
+++ b/src/core/file_sys/vfs_vector.h
@@ -10,7 +10,8 @@ namespace FileSys {
 
 // An implementation of VfsDirectory that maintains two vectors for subdirectories and files.
 // Vector data is supplied upon construction.
-struct VectorVfsDirectory : public VfsDirectory {
+class VectorVfsDirectory : public VfsDirectory {
+public:
     explicit VectorVfsDirectory(std::vector<VirtualFile> files = {},
                                 std::vector<VirtualDir> dirs = {}, VirtualDir parent = nullptr,
                                 std::string name = "");
diff --git a/src/core/hle/service/service.h b/src/core/hle/service/service.h
index 8a294c0f23..cd9c74f3d8 100644
--- a/src/core/hle/service/service.h
+++ b/src/core/hle/service/service.h
@@ -23,7 +23,7 @@ class HLERequestContext;
 } // namespace Kernel
 
 namespace FileSys {
-struct VfsFilesystem;
+class VfsFilesystem;
 }
 
 namespace Service {