From 00851a5ef442947c4237f32e063c37e7751db3ed Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Fri, 19 Jan 2018 22:34:48 -0500
Subject: file_sys: Cleanup to better match Switch file system constructs.

file_sys: Add factory class for RomFS file system.
---
 src/core/file_sys/romfs_filesystem.cpp | 105 +++++++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 src/core/file_sys/romfs_filesystem.cpp

(limited to 'src/core/file_sys/romfs_filesystem.cpp')

diff --git a/src/core/file_sys/romfs_filesystem.cpp b/src/core/file_sys/romfs_filesystem.cpp
new file mode 100644
index 000000000..5b5c5a73e
--- /dev/null
+++ b/src/core/file_sys/romfs_filesystem.cpp
@@ -0,0 +1,105 @@
+// Copyright 2018 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#include <cstring>
+#include <memory>
+#include "common/common_types.h"
+#include "common/logging/log.h"
+#include "core/file_sys/romfs_filesystem.h"
+
+namespace FileSys {
+
+std::string RomFS_FileSystem::GetName() const {
+    return "RomFS";
+}
+
+ResultVal<std::unique_ptr<StorageBackend>> RomFS_FileSystem::OpenFile(const Path& path,
+                                                                      const Mode& mode) const {
+    return MakeResult<std::unique_ptr<StorageBackend>>(
+        std::make_unique<RomFS_Storage>(romfs_file, data_offset, data_size));
+}
+
+ResultCode RomFS_FileSystem::DeleteFile(const Path& path) const {
+    LOG_CRITICAL(Service_FS, "Attempted to delete a file from an ROMFS archive (%s).",
+                 GetName().c_str());
+    // TODO(bunnei): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode RomFS_FileSystem::RenameFile(const Path& src_path, const Path& dest_path) const {
+    LOG_CRITICAL(Service_FS, "Attempted to rename a file within an ROMFS archive (%s).",
+                 GetName().c_str());
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode RomFS_FileSystem::DeleteDirectory(const Path& path) const {
+    LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an ROMFS archive (%s).",
+                 GetName().c_str());
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode RomFS_FileSystem::DeleteDirectoryRecursively(const Path& path) const {
+    LOG_CRITICAL(Service_FS, "Attempted to delete a directory from an ROMFS archive (%s).",
+                 GetName().c_str());
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode RomFS_FileSystem::CreateFile(const Path& path, u64 size) const {
+    LOG_CRITICAL(Service_FS, "Attempted to create a file in an ROMFS archive (%s).",
+                 GetName().c_str());
+    // TODO(bunnei): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode RomFS_FileSystem::CreateDirectory(const Path& path) const {
+    LOG_CRITICAL(Service_FS, "Attempted to create a directory in an ROMFS archive (%s).",
+                 GetName().c_str());
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultCode RomFS_FileSystem::RenameDirectory(const Path& src_path, const Path& dest_path) const {
+    LOG_CRITICAL(Service_FS, "Attempted to rename a file within an ROMFS archive (%s).",
+                 GetName().c_str());
+    // TODO(wwylele): Use correct error code
+    return ResultCode(-1);
+}
+
+ResultVal<std::unique_ptr<DirectoryBackend>> RomFS_FileSystem::OpenDirectory(const Path& path) const {
+    return MakeResult<std::unique_ptr<DirectoryBackend>>(std::make_unique<ROMFSDirectory>());
+}
+
+u64 RomFS_FileSystem::GetFreeSpaceSize() const {
+    LOG_WARNING(Service_FS, "Attempted to get the free space in an ROMFS archive");
+    return 0;
+}
+
+ResultVal<size_t> RomFS_Storage::Read(const u64 offset, const size_t length, u8* buffer) const {
+    LOG_TRACE(Service_FS, "called offset=%llu, length=%zu", offset, length);
+    romfs_file->Seek(data_offset + offset, SEEK_SET);
+    size_t read_length = (size_t)std::min((u64)length, data_size - offset);
+
+    return MakeResult<size_t>(romfs_file->ReadBytes(buffer, read_length));
+}
+
+ResultVal<size_t> RomFS_Storage::Write(const u64 offset, const size_t length, const bool flush,
+                                       const u8* buffer) const {
+    LOG_ERROR(Service_FS, "Attempted to write to ROMFS file");
+    // TODO(Subv): Find error code
+    return MakeResult<size_t>(0);
+}
+
+u64 RomFS_Storage::GetSize() const {
+    return data_size;
+}
+
+bool RomFS_Storage::SetSize(const u64 size) const {
+    LOG_ERROR(Service_FS, "Attempted to set the size of an ROMFS file");
+    return false;
+}
+
+} // namespace FileSys
-- 
cgit v1.2.3


From 5035d18baaad5cee4cbc671710de472b9f25a920 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sat, 20 Jan 2018 23:01:00 -0500
Subject: file_sys: Clang format fixes.

---
 src/core/file_sys/romfs_filesystem.cpp | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'src/core/file_sys/romfs_filesystem.cpp')

diff --git a/src/core/file_sys/romfs_filesystem.cpp b/src/core/file_sys/romfs_filesystem.cpp
index 5b5c5a73e..ca1463d7c 100644
--- a/src/core/file_sys/romfs_filesystem.cpp
+++ b/src/core/file_sys/romfs_filesystem.cpp
@@ -69,7 +69,8 @@ ResultCode RomFS_FileSystem::RenameDirectory(const Path& src_path, const Path& d
     return ResultCode(-1);
 }
 
-ResultVal<std::unique_ptr<DirectoryBackend>> RomFS_FileSystem::OpenDirectory(const Path& path) const {
+ResultVal<std::unique_ptr<DirectoryBackend>> RomFS_FileSystem::OpenDirectory(
+    const Path& path) const {
     return MakeResult<std::unique_ptr<DirectoryBackend>>(std::make_unique<ROMFSDirectory>());
 }
 
-- 
cgit v1.2.3