--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/RecfileWriter.h Sat Mar 30 01:12:42 2019 +0100
@@ -0,0 +1,97 @@
+/**
+ * Relational pipes
+ * Copyright © 2018 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, 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 <http://www.gnu.org/licenses/>.
+ */
+#pragma once
+
+#include <iostream>
+#include <sstream>
+#include <string>
+#include <vector>
+#include <codecvt>
+#include <locale>
+
+#include <relpipe/reader/typedefs.h>
+#include <relpipe/cli/RelpipeCLIException.h>
+
+using namespace std;
+
+namespace relpipe {
+namespace out {
+namespace recfile {
+
+using namespace relpipe::reader;
+
+/**
+ * A simple library for writing ASN.1 BER encoded files.
+ */
+class RecfileWriter {
+private:
+ ostream& output;
+ wstring_convert<codecvt_utf8<wchar_t>> convertor; // only UTF8String is supported
+ int sequenceLevel = 0;
+
+ void xxx_indent() {
+ // FIXME: remove
+ for (int i = 0; i < sequenceLevel; i++) output << " ";
+ }
+
+public:
+
+ RecfileWriter(std::ostream& output) : output(output) {
+ }
+
+ virtual ~RecfileWriter() {
+ if (sequenceLevel) output << "Unable to close RecfileWriter because there are not ended sequences." << endl; // FIXME: better error handling
+ output.flush();
+ }
+
+ void writeStartSequence() {
+ xxx_indent();
+ output << "sequence start" << endl;
+
+ sequenceLevel++;
+ }
+
+ void writeEndSequence() {
+ if (sequenceLevel == 0) throw cli::RelpipeCLIException(L"Unable to writeEndSequence() if not sequence is currently started.", cli::CLI::EXIT_CODE_UNEXPECTED_ERROR); // should not happen, error in the program
+
+ sequenceLevel--;
+
+ xxx_indent();
+ output << "sequence end" << endl;
+ }
+
+ void writeBoolean(const boolean_t& value) {
+ xxx_indent();
+ output << "boolean" << (value ? "true" : "false") << endl;
+ }
+
+ void writeInteger(const integer_t& value) {
+ xxx_indent();
+ output << "integer: " << value << endl;
+ }
+
+ void writeString(const string_t& value) {
+ xxx_indent();
+ output << "string: " << convertor.to_bytes(value) << endl;
+ }
+
+};
+
+}
+}
+}
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