Initial support for multi library, still WIP

src/libs/database/impl/PathTraits.hpp

@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2021 Emeric Poupon
+ *
+ * This file is part of LMS.
+ *
+ * LMS is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LMS is distributed in the hope that 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 LMS.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <string>
+#include <filesystem>
+#include <Wt/Dbo/SqlTraits.h>
+
+namespace Wt::Dbo
+{
+    template<>
+    struct sql_value_traits<std::filesystem::path>
+    {
+        static std::string type(SqlConnection* conn, int size)
+        {
+            return sql_value_traits<std::string>::type(conn, size);
+        }
+
+        static void bind(const std::filesystem::path& path, SqlStatement* statement, int column, int /* size */)
+        {
+            statement->bind(column, path.string());
+        }
+
+        static bool read(std::filesystem::path& p, SqlStatement* statement, int column, int size)
+        {
+            std::string s;
+            bool result = statement->getResult(column, &s, size);
+            if (!result)
+                return false;
+
+            p = std::filesystem::path{ s };
+
+            return true;
+        }
+    };
+}
+