diff -r 9d566568d37c -r 2999fca726f3 include/relpipe/common/RelpipeException.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/include/relpipe/common/RelpipeException.h	Fri Nov 22 15:27:30 2019 +0100
@@ -0,0 +1,52 @@
+/**
+ * Relational pipes (library)
+ * Copyright © 2019 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 Lesser General Public License as published by the Free Software Foundation;
+ *    version 3 of the License or (at your option)
+ *  - GNU General Public License as published by the Free Software Foundation;
+ *    version 2 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/>.
+ */
+#pragma once
+
+#include <string.h>
+#include <iconv.h>
+#include <string>
+#include <array>
+#include <assert.h>
+#include <ostream>
+#include <sstream>
+
+namespace relpipe {
+namespace common {
+
+/**
+ * RelpipeException class is a simple wrapper for iconv() functions.
+ * It converts text from one encoding to another.
+ * 
+ * List of all encodings: iconv --list
+ * 
+ * n.b. if the default (platform) encoding "" is used, it is required to initialize locales: setlocale(LC_ALL, "");
+ */
+class RelpipeException {
+private:
+	class RelpipeExceptionInternal;
+	RelpipeExceptionInternal* internal;
+public:
+	RelpipeException(std::string message);
+	virtual ~RelpipeException();
+	virtual std::string getMessge();
+};
+
+}
+}