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authorZach Hilman <zachhilman@gmail.com>2018-09-20 04:04:51 +0200
committerZach Hilman <zachhilman@gmail.com>2018-09-22 01:53:33 +0200
commit050547b801ccc7cfea65c142658e8d2a987472d2 (patch)
tree079655ab43528f76d14d06ad747d2c2251ef81f7 /src
parentfile_sys: Port Atmosphere-NX fs_mitm implementation (diff)
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Diffstat (limited to 'src')
-rw-r--r--src/core/file_sys/romfs.cpp20
-rw-r--r--src/core/file_sys/romfs.h9
2 files changed, 25 insertions, 4 deletions
diff --git a/src/core/file_sys/romfs.cpp b/src/core/file_sys/romfs.cpp
index 9f6e41cdf..71e4e0e2f 100644
--- a/src/core/file_sys/romfs.cpp
+++ b/src/core/file_sys/romfs.cpp
@@ -4,8 +4,10 @@
#include "common/common_types.h"
#include "common/swap.h"
+#include "core/file_sys/fsmitm_romfsbuild.hpp"
#include "core/file_sys/romfs.h"
#include "core/file_sys/vfs.h"
+#include "core/file_sys/vfs_concat.h"
#include "core/file_sys/vfs_offset.h"
#include "core/file_sys/vfs_vector.h"
@@ -98,7 +100,7 @@ void ProcessDirectory(VirtualFile file, std::size_t dir_offset, std::size_t file
}
}
-VirtualDir ExtractRomFS(VirtualFile file) {
+VirtualDir ExtractRomFS(VirtualFile file, bool traverse_into_data) {
RomFSHeader header{};
if (file->ReadObject(&header) != sizeof(RomFSHeader))
return nullptr;
@@ -117,9 +119,21 @@ VirtualDir ExtractRomFS(VirtualFile file) {
VirtualDir out = std::move(root);
- while (out->GetSubdirectory("") != nullptr)
- out = out->GetSubdirectory("");
+ while (out->GetSubdirectories().size() == 1 && out->GetFiles().size() == 0) {
+ if (out->GetSubdirectories().front()->GetName() == "data" && !traverse_into_data)
+ break;
+ out = out->GetSubdirectories().front();
+ }
return out;
}
+
+VirtualFile CreateRomFS(VirtualDir dir) {
+ if (dir == nullptr)
+ return nullptr;
+
+ RomFSBuildContext ctx{dir};
+ return ConcatenateFiles<0>(ctx.Build(), dir->GetName());
+}
+
} // namespace FileSys
diff --git a/src/core/file_sys/romfs.h b/src/core/file_sys/romfs.h
index e54a7d7a9..8e82585a0 100644
--- a/src/core/file_sys/romfs.h
+++ b/src/core/file_sys/romfs.h
@@ -5,6 +5,7 @@
#pragma once
#include <array>
+#include <map>
#include "common/common_funcs.h"
#include "common/common_types.h"
#include "common/swap.h"
@@ -12,6 +13,8 @@
namespace FileSys {
+struct RomFSHeader;
+
struct IVFCLevel {
u64_le offset;
u64_le size;
@@ -31,6 +34,10 @@ static_assert(sizeof(IVFCHeader) == 0xE0, "IVFCHeader has incorrect size.");
// Converts a RomFS binary blob to VFS Filesystem
// Returns nullptr on failure
-VirtualDir ExtractRomFS(VirtualFile file);
+VirtualDir ExtractRomFS(VirtualFile file, bool traverse_into_data = true);
+
+// Converts a VFS filesystem into a RomFS binary
+// Returns nullptr on failure
+VirtualFile CreateRomFS(VirtualDir dir);
} // namespace FileSys