creport: use fs bindings

libraries/libstratosphere/source/fs/fs_filesystem_utils.cpp

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2018-2020 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/>.
+ */
+#include <stratosphere.hpp>
+#include "fsa/fs_mount_utils.hpp"
+#include "fsa/fs_filesystem_accessor.hpp"
+
+namespace ams::fs {
+
+    namespace {
+
+        Result HasEntry(bool *out, const char *path, fs::DirectoryEntryType type) {
+            /* Set out to false initially. */
+            *out = false;
+
+            /* Try to get the entry type. */
+            fs::DirectoryEntryType entry_type;
+            R_TRY_CATCH(fs::GetEntryType(std::addressof(entry_type), path)) {
+                /* If the path doesn't exist, nothing has gone wrong. */
+                R_CONVERT(fs::ResultPathNotFound, ResultSuccess());
+            } R_END_TRY_CATCH;
+
+            /* We succeeded. */
+            *out = entry_type == type;
+            return ResultSuccess();
+        }
+
+    }
+
+    Result EnsureDirectoryRecursively(const char *path) {
+        /* Get the filesystem accessor and sub path. */
+        impl::FileSystemAccessor *accessor;
+        const char *sub_path;
+        R_TRY(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path));
+
+        /* Use the system implementation. */
+        return fssystem::EnsureDirectoryRecursively(accessor->GetRawFileSystemUnsafe(), sub_path);
+    }
+
+    Result EnsureParentDirectoryRecursively(const char *path) {
+        /* Get the filesystem accessor and sub path. */
+        impl::FileSystemAccessor *accessor;
+        const char *sub_path;
+        R_TRY(impl::FindFileSystem(std::addressof(accessor), std::addressof(sub_path), path));
+
+        /* Use the system implementation. */
+        return fssystem::EnsureParentDirectoryRecursively(accessor->GetRawFileSystemUnsafe(), sub_path);
+    }
+
+    Result HasFile(bool *out, const char *path) {
+        return HasEntry(out, path, fs::DirectoryEntryType_File);
+    }
+
+    Result HasDirectory(bool *out, const char *path) {
+        return HasEntry(out, path, fs::DirectoryEntryType_Directory);
+    }
+
+}