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author | Petr Mrázek <peterix@gmail.com> | 2015-09-06 23:35:58 +0200 |
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committer | Petr Mrázek <peterix@gmail.com> | 2015-09-06 23:35:58 +0200 |
commit | 38693e1d6ca7f05d9488348ddf298488d1cc0995 (patch) | |
tree | d99551fc3ebbef931d10ee45cb34f2ee791cc1fe /depends/libnbtplusplus/src/tag_array.cpp | |
parent | 40b233448c7a3977d45831b8aa6cf31019c03940 (diff) | |
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GH-1047 parse world files and integrate MCEdit with world page
Diffstat (limited to 'depends/libnbtplusplus/src/tag_array.cpp')
-rw-r--r-- | depends/libnbtplusplus/src/tag_array.cpp | 110 |
1 files changed, 110 insertions, 0 deletions
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>; + +} |