Implement NCM

stratosphere/ncm/source/ncm_path_utils.hpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2019 Adubbz
+ *
+ * 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 "ncm_types.hpp"
+
+namespace sts::ncm::path {
+
+    inline void GetContentRootPath(char* out_content_root, const char* root_path) {
+        /* TODO: Replace with BoundedString? */
+        if (snprintf(out_content_root, FS_MAX_PATH-1, "%s%s", root_path, "/registered") < 0) {
+            std::abort();
+        }
+    }
+
+    inline void GetPlaceHolderRootPath(char* out_placeholder_root, const char* root_path) {
+        /* TODO: Replace with BoundedString? */
+        if (snprintf(out_placeholder_root, FS_MAX_PATH, "%s%s", root_path, "/placehld") < 0) {
+            std::abort();
+        }
+    }
+
+    void GetContentMetaPath(char* out, ContentId content_id, MakeContentPathFunc path_func, const char* root_path);
+    void GetContentFileName(char* out, ContentId content_id);
+    void GetPlaceHolderFileName(char* out, PlaceHolderId placeholder_id);
+    bool IsNcaPath(const char* path);
+
+    class PathView {
+        private:
+            std::string_view path; /* Nintendo uses nn::util::string_view here. */    
+        public:
+            PathView(std::string_view p) : path(p) { /* ...*/ }
+            bool HasPrefix(std::string_view prefix) const;
+            bool HasSuffix(std::string_view suffix) const;
+            std::string_view GetFileName() const;
+    };
+
+}