From 38693e1d6ca7f05d9488348ddf298488d1cc0995 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Petr=20Mr=C3=A1zek?= <peterix@gmail.com>
Date: Sun, 6 Sep 2015 23:35:58 +0200
Subject: GH-1047 parse world files and integrate MCEdit with world page

---
 depends/libnbtplusplus/src/tag_array.cpp | 110 +++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 depends/libnbtplusplus/src/tag_array.cpp

(limited to 'depends/libnbtplusplus/src/tag_array.cpp')

diff --git a/depends/libnbtplusplus/src/tag_array.cpp b/depends/libnbtplusplus/src/tag_array.cpp
new file mode 100644
index 00000000..99e32549
--- /dev/null
+++ b/depends/libnbtplusplus/src/tag_array.cpp
@@ -0,0 +1,110 @@
+/*
+ * 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 "tag_array.h"
+#include "io/stream_reader.h"
+#include "io/stream_writer.h"
+#include <istream>
+
+namespace nbt
+{
+
+template<class T>
+T& tag_array<T>::at(size_t i)
+{
+    return data.at(i);
+}
+
+template<class T>
+T tag_array<T>::at(size_t i) const
+{
+    return data.at(i);
+}
+
+//Slightly different between byte_array and int_array
+//Reading
+template<>
+void tag_array<int8_t>::read_payload(io::stream_reader& reader)
+{
+    int32_t length;
+    reader.read_num(length);
+    if(length < 0)
+        reader.get_istr().setstate(std::ios::failbit);
+    if(!reader.get_istr())
+        throw io::input_error("Error reading length of tag_byte_array");
+
+    data.resize(length);
+    reader.get_istr().read(reinterpret_cast<char*>(data.data()), length);
+    if(!reader.get_istr())
+        throw io::input_error("Error reading contents of tag_byte_array");
+}
+
+template<>
+void tag_array<int32_t>::read_payload(io::stream_reader& reader)
+{
+    int32_t length;
+    reader.read_num(length);
+    if(length < 0)
+        reader.get_istr().setstate(std::ios::failbit);
+    if(!reader.get_istr())
+        throw io::input_error("Error reading length of tag_int_array");
+
+    data.clear();
+    data.reserve(length);
+    for(int32_t i = 0; i < length; ++i)
+    {
+        int32_t val;
+        reader.read_num(val);
+        data.push_back(val);
+    }
+    if(!reader.get_istr())
+        throw io::input_error("Error reading contents of tag_int_array");
+}
+
+//Writing
+template<>
+void tag_array<int8_t>::write_payload(io::stream_writer& writer) const
+{
+    if(size() > io::stream_writer::max_array_len)
+    {
+        writer.get_ostr().setstate(std::ios::failbit);
+        throw std::length_error("Byte array is too large for NBT");
+    }
+    writer.write_num(static_cast<int32_t>(size()));
+    writer.get_ostr().write(reinterpret_cast<const char*>(data.data()), data.size());
+}
+
+template<>
+void tag_array<int32_t>::write_payload(io::stream_writer& writer) const
+{
+    if(size() > io::stream_writer::max_array_len)
+    {
+        writer.get_ostr().setstate(std::ios::failbit);
+        throw std::length_error("Int array is too large for NBT");
+    }
+    writer.write_num(static_cast<int32_t>(size()));
+    for(int32_t i: data)
+        writer.write_num(i);
+}
+
+//Enforce template instantiations
+template class tag_array<int8_t>;
+template class tag_array<int32_t>;
+
+}
-- 
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