- Refactor on platform implementation. See comment in interface/platform.h for more info

source/platform/linux/xkb/lib/loader.cpp

@@ -0,0 +1,87 @@
+// =====================================================================================================================
+//  fennec, a free and open source game engine
+//  Copyright © 2025  Medusa Slockbower
+//
+//  This program 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.
+//
+//  This program 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 this program.  If not, see <https://www.gnu.org/licenses/>.
+// =====================================================================================================================
+
+#define FENNEC_LIB(name)            bool FENNEC_HAS_LIB_##name;
+#define FENNEC_SYMBOL(ret, fn, ...) using sym_##fn = ret(*)(__VA_ARGS__); \
+                                    sym_##fn fn;
+#define FENNEC_GLOBAL(type, name)   type* name;
+#include <fennec/platform/linux/xkb/lib/sym.h>
+
+#include <fennec/platform/linux/xkb/lib/xkbcommon.h>
+#include <fennec/platform/linux/xkb/lib/loader.h>
+#include <fennec/platform/interface/platform.h>
+
+namespace fennec
+{
+
+namespace libxkbcommon
+{
+
+using shared_object = platform::shared_object;
+
+struct shared_lib {
+	shared_object* obj;
+	const cstring name;
+};
+
+static int _load_count = 0;
+
+// Create private variables
+#define FENNEC_LIB(lib) static shared_lib _FENNEC_LIB_##lib = { nullptr, FENNEC_LIB_##lib };
+#include <fennec/platform/linux/xkb/lib/sym.h>
+
+bool load_symbols(platform* platform) {
+	if (_load_count++ != 0) {
+		return true;
+	}
+
+	shared_lib* current_lib = nullptr;
+#define FENNEC_LIB(lib) _FENNEC_LIB_##lib.obj = platform->load_object(_FENNEC_LIB_##lib.name); \
+	                    FENNEC_HAS_LIB_##lib = _FENNEC_LIB_##lib.obj != nullptr; \
+	                    if(not FENNEC_HAS_LIB_##lib) { \
+							unload_symbols(platform); \
+							return false; \
+						} \
+	                    current_lib = &_FENNEC_LIB_##lib;
+#define FENNEC_SYMBOL(ret, fn, ...) fn = (sym_##fn)(platform->find_symbol(current_lib->obj, #fn)); \
+	                                assertf(fn != nullptr, "Failed to find symbol: " #fn);
+#define FENNEC_GLOBAL(type, name)   name = (type*)(platform->find_symbol(current_lib->obj, #name)); \
+	                                assertf(name != nullptr, "Failed to find global: " #name);
+#include <fennec/platform/linux/xkb/lib/sym.h>
+
+	
+
+	return true;
+}
+
+void unload_symbols(platform* platform) {
+	if (--_load_count != 0) {
+		return;
+	}
+
+#define FENNEC_LIB(lib) platform->unload_object(_FENNEC_LIB_##lib.obj); \
+	                    _FENNEC_LIB_##lib.obj = nullptr;
+#define FENNEC_SYMBOL(ret, fn, ...) fn = nullptr;
+#define FENNEC_GLOBAL(type, name) name = nullptr;
+#include <fennec/platform/linux/xkb/lib/sym.h>
+}
+
+
+}
+
+}