diff -r aa7dc7faf1bb -r 358a601bfe81 Message.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Message.cpp	Sun May 11 00:30:03 2025 +0200
@@ -0,0 +1,44 @@
+/**
+ * djm-fix
+ * Copyright © 2025 František Kučera (Frantovo.cz, GlobalCode.info)
+ *
+ * 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, version 3 of the License.
+ *
+ * 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 <http://www.gnu.org/licenses/>.
+ */
+
+#include <sstream>
+#include <iomanip>
+
+#include "Message.h"
+
+std::string Message::toString() const {
+	std::stringstream s;
+	s << "<message";
+	s << " type='" << std::hex << ((int) type) << "'";
+	s << " version='" << std::hex << ((int) version) << "'";
+	s << ">";
+	for (const auto& field : fields) {
+		s << "<field type='" << std::hex << ((int) field.type) << "'>";
+		for (uint8_t b : field.data) {
+			s << std::hex << std::setw(2) << std::setfill('0') << (int) b;
+		}
+		s << "</field>";
+	}
+	s << "</message>";
+	return s.str();
+}
+
+std::vector<Field> Message::findFields(FieldType type) {
+	std::vector<Field> found;
+	for (Field f : fields) if (f.type == type) found.push_back(f);
+	return found;
+}