Refactor

* Minor style changes
* Move function definitions
* Split utility.hpp
* Enable include of export-symbol-helper.hpp in tests

lib/utils/path-helpers.cpp

@@ -0,0 +1,50 @@
+#include "path-helpers.hpp"
+#include "obs-module-helper.hpp"
+#include "obs.hpp"
+
+#include <obs-frontend-api.h>
+#include <QDateTime>
+#include <QFile>
+#include <QStandardPaths>
+
+namespace advss {
+
+std::string GetDataFilePath(const std::string &file)
+{
+	std::string root_path = obs_get_module_data_path(obs_current_module());
+	if (!root_path.empty()) {
+		return root_path + "/" + file;
+	}
+	return "";
+}
+
+QString GetDefaultSettingsSaveLocation()
+{
+	QString desktopPath = QStandardPaths::writableLocation(
+		QStandardPaths::DesktopLocation);
+
+	auto scName = obs_frontend_get_current_scene_collection();
+	QString sceneCollectionName(scName);
+	bfree(scName);
+
+	auto timestamp = QDateTime::currentDateTime();
+	auto path = desktopPath + "/adv-ss-" + sceneCollectionName + "-" +
+		    timestamp.toString("yyyy.MM.dd.hh.mm.ss");
+
+	// Check if scene collection name contains invalid path characters
+	QFile file(path);
+	if (file.exists()) {
+		return path;
+	}
+
+	bool validPath = file.open(QIODevice::WriteOnly);
+	if (validPath) {
+		file.remove();
+		return path;
+	}
+
+	return desktopPath + "/adv-ss-" +
+	       timestamp.toString("yyyy.MM.dd.hh.mm.ss");
+}
+
+} // namespace advss