Add 'libnbtplusplus/' from commit '1a0ffe372f4da8408c5d08a36013536a3396b9e6'

git-subtree-dir: libnbtplusplus
git-subtree-mainline: 7fb132859fda54aa96bc9dd46d302b343eeb5a02
git-subtree-split: 1a0ffe372f4da8408c5d08a36013536a3396b9e6

1 files changed, 59 insertions, 0 deletions

diff --git a/libnbtplusplus/src/io/stream_writer.cpp b/libnbtplusplus/src/io/stream_writer.cpp
new file mode 100644
index 0000000000..5275c5a1b4
--- /dev/null
+++ b/libnbtplusplus/src/io/stream_writer.cpp
@@ -0,0 +1,59 @@
+// SPDX-FileCopyrightText: 2013, 2015 ljfa-ag <ljfa-ag@web.de>
+//
+// SPDX-License-Identifier: LGPL-3.0-or-later
+
+/*
+ * libnbt++ - A library for the Minecraft Named Binary Tag format.
+ * Copyright (C) 2013, 2015  ljfa-ag
+ *
+ * This file is part of libnbt++.
+ *
+ * libnbt++ 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, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * libnbt++ 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 Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with libnbt++.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include "io/stream_writer.h"
+#include <sstream>
+
+namespace nbt
+{
+	namespace io
+	{
+
+		void write_tag(const std::string& key, const tag& t, std::ostream& os,
+					   endian::endian e)
+		{
+			stream_writer(os, e).write_tag(key, t);
+		}
+
+		void stream_writer::write_tag(const std::string& key, const tag& t)
+		{
+			write_type(t.get_type());
+			write_string(key);
+			write_payload(t);
+		}
+
+		void stream_writer::write_string(const std::string& str)
+		{
+			if (str.size() > max_string_len) {
+				os.setstate(std::ios::failbit);
+				std::ostringstream sstr;
+				sstr << "String is too long for NBT (" << str.size() << " > "
+					 << max_string_len << ")";
+				throw std::length_error(sstr.str());
+			}
+			write_num(static_cast<uint16_t>(str.size()));
+			os.write(str.data(), str.size());
+		}
+
+	} // namespace io
+} // namespace nbt