Merge fs.mitm and set.mitm.

stratosphere/ams_mitm/source/fs_mitm/fsmitm_romstorage.hpp

@@ -0,0 +1,57 @@
+/*
+ * Copyright (c) 2018 Atmosphère-NX
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+ 
+#pragma once
+#include <switch.h>
+#include <stratosphere.hpp>
+
+#include "fs_istorage.hpp"
+
+/* Represents a RomFS stored in some file. */
+class RomFileStorage : public IROStorage {
+    private:
+        FsFile *base_file;
+    public:
+        RomFileStorage(FsFile *f) : base_file(f) {
+            /* ... */
+        };
+        RomFileStorage(FsFile f) {
+            this->base_file = new FsFile(f);
+        };
+        virtual ~RomFileStorage() {
+            fsFileClose(base_file);
+            delete base_file;
+        };
+    public:
+        Result Read(void *buffer, size_t size, u64 offset) override {
+            size_t out_sz = 0;
+            Result rc = fsFileRead(this->base_file, offset, buffer, size, &out_sz);
+            if (R_SUCCEEDED(rc) && out_sz != size && out_sz) {
+                return this->Read((void *)((uintptr_t)buffer + out_sz), size - out_sz, offset + out_sz);
+            }
+            return rc;
+        };
+        Result GetSize(u64 *out_size) override {
+            return fsFileGetSize(this->base_file, out_size);
+        };
+        Result OperateRange(u32 operation_type, u64 offset, u64 size, FsRangeInfo *out_range_info) override {
+            /* TODO: Merge into libnx? */
+            return fsFileOperateRange(this->base_file, operation_type, offset, size, out_range_info);
+        };
+};
+
+/* Represents a RomFS accessed via some IStorage. */
+using RomInterfaceStorage = ROProxyStorage;