diff options
author | Petr Mrázek <peterix@gmail.com> | 2015-09-06 23:35:58 +0200 |
---|---|---|
committer | Petr Mrázek <peterix@gmail.com> | 2015-09-06 23:35:58 +0200 |
commit | 38693e1d6ca7f05d9488348ddf298488d1cc0995 (patch) | |
tree | d99551fc3ebbef931d10ee45cb34f2ee791cc1fe /depends/libnbtplusplus/include/tag_array.h | |
parent | 40b233448c7a3977d45831b8aa6cf31019c03940 (diff) | |
download | MultiMC-38693e1d6ca7f05d9488348ddf298488d1cc0995.tar MultiMC-38693e1d6ca7f05d9488348ddf298488d1cc0995.tar.gz MultiMC-38693e1d6ca7f05d9488348ddf298488d1cc0995.tar.lz MultiMC-38693e1d6ca7f05d9488348ddf298488d1cc0995.tar.xz MultiMC-38693e1d6ca7f05d9488348ddf298488d1cc0995.zip |
GH-1047 parse world files and integrate MCEdit with world page
Diffstat (limited to 'depends/libnbtplusplus/include/tag_array.h')
-rw-r--r-- | depends/libnbtplusplus/include/tag_array.h | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/depends/libnbtplusplus/include/tag_array.h b/depends/libnbtplusplus/include/tag_array.h new file mode 100644 index 00000000..77b77d7d --- /dev/null +++ b/depends/libnbtplusplus/include/tag_array.h @@ -0,0 +1,131 @@ +/* + * 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/>. + */ +#ifndef TAG_ARRAY_H_INCLUDED +#define TAG_ARRAY_H_INCLUDED + +#include "crtp_tag.h" +#include <type_traits> +#include <vector> + +#include "nbt++_export.h" + +namespace nbt +{ + +///@cond +namespace detail +{ + ///Meta-struct that holds the tag_type value for a specific array type + template<class T> struct get_array_type + { static_assert(sizeof(T) != sizeof(T), "Invalid type paramter for tag_primitive, can only use byte or int"); }; + + template<> struct get_array_type<int8_t> : public std::integral_constant<tag_type, tag_type::Byte_Array> {}; + template<> struct get_array_type<int32_t> : public std::integral_constant<tag_type, tag_type::Int_Array> {}; +} +///@cond + +/** + * @brief Tag that contains an array of byte or int values + * + * Common class for tag_byte_array and tag_int_array. + */ +template<class T> +class NBT___EXPORT tag_array final : public detail::crtp_tag<tag_array<T>> +{ +public: + //Iterator types + typedef typename std::vector<T>::iterator iterator; + typedef typename std::vector<T>::const_iterator const_iterator; + + ///The type of the contained values + typedef T value_type; + + ///The type of the tag + static constexpr tag_type type = detail::get_array_type<T>::value; + + ///Constructs an empty array + tag_array() {} + + ///Constructs an array with the given values + tag_array(std::initializer_list<T> init): data(init) {} + tag_array(std::vector<T>&& vec) noexcept: data(std::move(vec)) {} + + ///Returns a reference to the vector that contains the values + std::vector<T>& get() { return data; } + const std::vector<T>& get() const { return data; } + + /** + * @brief Accesses a value by index with bounds checking + * @throw std::out_of_range if the index is out of range + */ + T& at(size_t i); + T at(size_t i) const; + + /** + * @brief Accesses a value by index + * + * No bounds checking is performed. + */ + T& operator[](size_t i) { return data[i]; } + T operator[](size_t i) const { return data[i]; } + + ///Appends a value at the end of the array + void push_back(T val) { data.push_back(val); } + + ///Removes the last element from the array + void pop_back() { data.pop_back(); } + + ///Returns the number of values in the array + size_t size() const { return data.size(); } + + ///Erases all values from the array. + void clear() { data.clear(); } + + //Iterators + iterator begin() { return data.begin(); } + iterator end() { return data.end(); } + const_iterator begin() const { return data.begin(); } + const_iterator end() const { return data.end(); } + const_iterator cbegin() const { return data.cbegin(); } + const_iterator cend() const { return data.cend(); } + + void read_payload(io::stream_reader& reader) override; + /** + * @inheritdoc + * @throw std::length_error if the array is too large for NBT + */ + void write_payload(io::stream_writer& writer) const override; + +private: + std::vector<T> data; +}; + +template<class T> bool operator==(const tag_array<T>& lhs, const tag_array<T>& rhs) +{ return lhs.get() == rhs.get(); } +template<class T> bool operator!=(const tag_array<T>& lhs, const tag_array<T>& rhs) +{ return !(lhs == rhs); } + +//Typedefs that should be used instead of the template tag_array. +typedef tag_array<int8_t> tag_byte_array; +typedef tag_array<int32_t> tag_int_array; + +} + +#endif // TAG_ARRAY_H_INCLUDED |