From 27da7bc9daf951bce69970881bdbc8719378ca39 Mon Sep 17 00:00:00 2001
From: Zach Hilman <zachhilman@gmail.com>
Date: Sat, 18 Aug 2018 21:28:17 -0400
Subject: filesystem: Add support for loading of system archives

---
 src/core/file_sys/romfs_factory.cpp | 38 +++++++++++++++++++++++++++++++++++--
 1 file changed, 36 insertions(+), 2 deletions(-)

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

diff --git a/src/core/file_sys/romfs_factory.cpp b/src/core/file_sys/romfs_factory.cpp
index 54fbd3267..7ba4042ca 100644
--- a/src/core/file_sys/romfs_factory.cpp
+++ b/src/core/file_sys/romfs_factory.cpp
@@ -6,7 +6,9 @@
 #include <memory>
 #include "common/common_types.h"
 #include "common/logging/log.h"
+#include "core/core.h"
 #include "core/file_sys/romfs_factory.h"
+#include "core/hle/kernel/process.h"
 
 namespace FileSys {
 
@@ -17,9 +19,41 @@ RomFSFactory::RomFSFactory(Loader::AppLoader& app_loader) {
     }
 }
 
-ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id) {
-    // TODO(DarkLordZach): Use title id.
+ResultVal<VirtualFile> RomFSFactory::OpenCurrentProcess() {
     return MakeResult<VirtualFile>(file);
 }
 
+ResultVal<VirtualFile> RomFSFactory::Open(u64 title_id, StorageId storage, ContentRecordType type) {
+    switch (storage) {
+    case StorageId::NandSystem: {
+        const auto res = Service::FileSystem::GetSystemNANDContents()->GetEntry(title_id, type);
+        if (res == nullptr) {
+            // TODO(DarkLordZach): Find the right error code to use here
+            return ResultCode(-1);
+        }
+        const auto romfs = res->GetRomFS();
+        if (romfs == nullptr) {
+            // TODO(DarkLordZach): Find the right error code to use here
+            return ResultCode(-1);
+        }
+        return MakeResult<VirtualFile>(romfs);
+    }
+    case StorageId::NandUser: {
+        const auto res = Service::FileSystem::GetUserNANDContents()->GetEntry(title_id, type);
+        if (res == nullptr) {
+            // TODO(DarkLordZach): Find the right error code to use here
+            return ResultCode(-1);
+        }
+        const auto romfs = res->GetRomFS();
+        if (romfs == nullptr) {
+            // TODO(DarkLordZach): Find the right error code to use here
+            return ResultCode(-1);
+        }
+        return MakeResult<VirtualFile>(romfs);
+    }
+    default:
+        UNIMPLEMENTED_MSG("Unimplmented storage_id={:02X}", static_cast<u8>(storage));
+    }
+}
+
 } // namespace FileSys
-- 
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