1 files changed, 105 insertions, 0 deletions
diff --git a/src/NBT/Tag.cpp b/src/NBT/Tag.cpp
new file mode 100644
index 0000000..fddfc4e
--- /dev/null
+++ b/src/NBT/Tag.cpp
@@ -0,0 +1,105 @@
+/*
+  Copyright (c) 2015, Matthias Schiffer <mschiffer@universe-factory.net>
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice,
+       this list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+
+#include "Tag.hpp"
+
+#include "EndTag.hpp"
+#include "ByteTag.hpp"
+#include "ShortTag.hpp"
+#include "IntTag.hpp"
+#include "LongTag.hpp"
+#include "FloatTag.hpp"
+#include "DoubleTag.hpp"
+#include "ByteArrayTag.hpp"
+#include "StringTag.hpp"
+#include "ListTag.hpp"
+#include "CompoundTag.hpp"
+#include "IntArrayTag.hpp"
+
+
+#include <stdexcept>
+
+
+namespace MinedMap {
+namespace NBT {
+
+std::shared_ptr<Tag> Tag::readTag(Type type, Buffer *buffer) {
+	switch (type) {
+	case Type::End:
+		return std::shared_ptr<EndTag>(new EndTag());
+
+	case Type::Byte:
+		return std::shared_ptr<ByteTag>(new ByteTag(buffer));
+
+	case Type::Short:
+		return std::shared_ptr<ShortTag>(new ShortTag(buffer));
+
+	case Type::Int:
+		return std::shared_ptr<IntTag>(new IntTag(buffer));
+
+	case Type::Long:
+		return std::shared_ptr<LongTag>(new LongTag(buffer));
+
+	case Type::Float:
+		return std::shared_ptr<FloatTag>(new FloatTag(buffer));
+
+	case Type::Double:
+		return std::shared_ptr<DoubleTag>(new DoubleTag(buffer));
+
+	case Type::ByteArray:
+		return std::shared_ptr<ByteArrayTag>(new ByteArrayTag(buffer));
+
+	case Type::String:
+		return std::shared_ptr<StringTag>(new StringTag(buffer));
+
+	case Type::List:
+		return std::shared_ptr<ListTag>(new ListTag(buffer));
+
+	case Type::Compound:
+		return std::shared_ptr<CompoundTag>(new CompoundTag(buffer));
+
+	case Type::IntArray:
+		return std::shared_ptr<IntArrayTag>(new IntArrayTag(buffer));
+
+	default:
+		throw std::runtime_error("Tag::read: unknown tag type");
+	}
+}
+
+std::pair<std::string, std::shared_ptr<Tag>> Tag::readNamedTag(Buffer *buffer) {
+	Type type = static_cast<Type>(buffer->get());
+	if (type == Type::End)
+		return std::make_pair("", std::shared_ptr<EndTag>(new EndTag()));
+
+	uint16_t len = buffer->get() << 8;
+	len |= buffer->get();
+	std::string name = buffer->getString(len);
+
+	return std::make_pair(name, readTag(type, buffer));
+}
+
+}
+}