1 files changed, 150 insertions, 0 deletions
diff --git a/depends/libnbtplusplus/src/tag_list.cpp b/depends/libnbtplusplus/src/tag_list.cpp
new file mode 100644
index 00000000..67a3d4c1
--- /dev/null
+++ b/depends/libnbtplusplus/src/tag_list.cpp
@@ -0,0 +1,150 @@
+/*
+ * 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_list.h"
+#include "nbt_tags.h"
+#include "io/stream_reader.h"
+#include "io/stream_writer.h"
+#include <istream>
+
+namespace nbt
+{
+
+tag_list::tag_list(std::initializer_list<int8_t>         il) { init<tag_byte>(il); }
+tag_list::tag_list(std::initializer_list<int16_t>        il) { init<tag_short>(il); }
+tag_list::tag_list(std::initializer_list<int32_t>        il) { init<tag_int>(il); }
+tag_list::tag_list(std::initializer_list<int64_t>        il) { init<tag_long>(il); }
+tag_list::tag_list(std::initializer_list<float>          il) { init<tag_float>(il); }
+tag_list::tag_list(std::initializer_list<double>         il) { init<tag_double>(il); }
+tag_list::tag_list(std::initializer_list<std::string>    il) { init<tag_string>(il); }
+tag_list::tag_list(std::initializer_list<tag_byte_array> il) { init<tag_byte_array>(il); }
+tag_list::tag_list(std::initializer_list<tag_list>       il) { init<tag_list>(il); }
+tag_list::tag_list(std::initializer_list<tag_compound>   il) { init<tag_compound>(il); }
+tag_list::tag_list(std::initializer_list<tag_int_array>  il) { init<tag_int_array>(il); }
+
+tag_list::tag_list(std::initializer_list<value> init)
+{
+    if(init.size() == 0)
+        el_type_ = tag_type::Null;
+    else
+    {
+        el_type_ = init.begin()->get_type();
+        for(const value& val: init)
+        {
+            if(!val || val.get_type() != el_type_)
+                throw std::invalid_argument("The values are not all the same type");
+        }
+        tags.assign(init.begin(), init.end());
+    }
+}
+
+value& tag_list::at(size_t i)
+{
+    return tags.at(i);
+}
+
+const value& tag_list::at(size_t i) const
+{
+    return tags.at(i);
+}
+
+void tag_list::set(size_t i, value&& val)
+{
+    if(val.get_type() != el_type_)
+        throw std::invalid_argument("The tag type does not match the list's content type");
+    tags.at(i) = std::move(val);
+}
+
+void tag_list::push_back(value_initializer&& val)
+{
+    if(!val) //don't allow null values
+        throw std::invalid_argument("The value must not be null");
+    if(el_type_ == tag_type::Null) //set content type if undetermined
+        el_type_ = val.get_type();
+    else if(el_type_ != val.get_type())
+        throw std::invalid_argument("The tag type does not match the list's content type");
+    tags.push_back(std::move(val));
+}
+
+void tag_list::reset(tag_type type)
+{
+    clear();
+    el_type_ = type;
+}
+
+void tag_list::read_payload(io::stream_reader& reader)
+{
+    tag_type lt = reader.read_type(true);
+
+    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_list");
+
+    if(lt != tag_type::End)
+    {
+        reset(lt);
+        tags.reserve(length);
+
+        for(int32_t i = 0; i < length; ++i)
+            tags.emplace_back(reader.read_payload(lt));
+    }
+    else
+    {
+        //In case of tag_end, ignore the length and leave the type undetermined
+        reset(tag_type::Null);
+    }
+}
+
+void tag_list::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("List is too large for NBT");
+    }
+    writer.write_type(el_type_ != tag_type::Null
+                      ? el_type_
+                      : tag_type::End);
+    writer.write_num(static_cast<int32_t>(size()));
+    for(const auto& val: tags)
+    {
+        //check if the value is of the correct type
+        if(val.get_type() != el_type_)
+        {
+            writer.get_ostr().setstate(std::ios::failbit);
+            throw std::logic_error("The tags in the list do not all match the content type");
+        }
+        writer.write_payload(val);
+    }
+}
+
+bool operator==(const tag_list& lhs, const tag_list& rhs)
+{
+    return lhs.el_type_ == rhs.el_type_ && lhs.tags == rhs.tags;
+}
+
+bool operator!=(const tag_list& lhs, const tag_list& rhs)
+{
+    return !(lhs == rhs);
+}
+
+}