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author | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2017-07-24 16:52:24 +0200 |
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committer | LaG1924 <12997935+LaG1924@users.noreply.github.com> | 2017-07-24 16:52:24 +0200 |
commit | 6a00886804c53883d919f008f6ec47a574d86607 (patch) | |
tree | 2dbe9fdb0a0d5f068770d49a3c960d36958f27d5 /include/Nbt.hpp | |
parent | 2017-07-21 (diff) | |
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Diffstat (limited to 'include/Nbt.hpp')
-rw-r--r-- | include/Nbt.hpp | 516 |
1 files changed, 0 insertions, 516 deletions
diff --git a/include/Nbt.hpp b/include/Nbt.hpp deleted file mode 100644 index 03f5af0..0000000 --- a/include/Nbt.hpp +++ /dev/null @@ -1,516 +0,0 @@ -#pragma once - -#include <cstddef> -#include <vector> -#include <fstream> -#include <zlib.h> - -#include <Utility.hpp> - -namespace nbt { - enum TagType { - End, //nullptr - Byte, //int8_t - Short, //int16_t - Int, //int32_t - Long, //int64_t - Float, //float - Double, //double - ByteArray, //std::vector<signed char> - String, //std::string - List, //std::vector<NbtTag> - Compound, //std::vector<NbtTag> - IntArray, //std::vector<int32_t> - Unknown, //dummy value - }; - - class NbtTag; - - typedef std::vector<NbtTag> compound_t; - - typedef std::string string_t; - - typedef std::vector<signed char> byteArray_t; - - typedef std::vector<int> intArray_t; - - class NbtTag { - TagType type = Unknown; - string_t name = ""; - unsigned char *data = nullptr; - public: - NbtTag(TagType type, string_t name) : type(type), name(name) { - switch (type) { - case End: - data = nullptr; - break; - case Compound: - data = (unsigned char *) new compound_t; - break; - case String: - data = (unsigned char *) new string_t; - break; - case Int: - data = (unsigned char *) new int32_t; - break; - case Long: - data = (unsigned char *) new int64_t; - break; - case Byte: - data = (unsigned char *) new int8_t; - break; - case Short: - data = (unsigned char *) new int16_t; - break; - case Float: - data = (unsigned char *) new float; - break; - case Double: - data = (unsigned char *) new double; - break; - case ByteArray: - data = (unsigned char *) new byteArray_t; - break; - case List: - data = (unsigned char *) new compound_t; - break; - case IntArray: - data = (unsigned char *) new intArray_t; - } - } - - NbtTag(const NbtTag &other) : type(other.type), name(other.name) { - switch (type) { - case Byte: - data = (unsigned char *) new int8_t; - *((int8_t *) data) = *((int8_t *) other.data); - break; - case Short: - data = (unsigned char *) new int16_t; - *((int16_t *) data) = *((int16_t *) other.data); - break; - case Int: - data = (unsigned char *) new int32_t; - *((int32_t *) data) = *((int32_t *) other.data); - break; - case Long: - data = (unsigned char *) new int64_t; - *((int64_t *) data) = *((int64_t *) other.data); - break; - case Float: - data = (unsigned char *) new float; - *((float *) data) = *((float *) other.data); - break; - case Double: - data = (unsigned char *) new double; - *((double *) data) = *((double *) other.data); - break; - case ByteArray: - data = (unsigned char *) new byteArray_t; - *((std::vector<signed char> *) data) = *((std::vector<signed char> *) other.data); - break; - case String: - data = (unsigned char *) new string_t; - *((std::string *) data) = *((std::string *) other.data); - break; - case List: - data = (unsigned char *) new compound_t; - *((std::vector<NbtTag> *) data) = *((std::vector<NbtTag> *) other.data); - break; - case Compound: - data = (unsigned char *) new compound_t; - *((std::vector<NbtTag> *) data) = *((std::vector<NbtTag> *) other.data); - break; - case IntArray: - data = (unsigned char *) new intArray_t; - *((std::vector<int> *) data) = *((std::vector<int> *) other.data); - break; - } - } - - ~NbtTag() { - switch (type) { - case Byte: - delete ((int8_t *) data); - break; - case Short: - delete ((int16_t *) data); - break; - case Int: - delete ((int32_t *) data); - break; - case Long: - delete ((int64_t *) data); - break; - case Float: - delete ((float *) data); - break; - case Double: - delete ((double *) data); - break; - case ByteArray: - delete ((std::vector<signed char> *) data); - break; - case String: - delete ((std::string *) data); - break; - case List: - delete ((std::vector<NbtTag> *) data); - break; - case Compound: - delete ((std::vector<NbtTag> *) data); - break; - case IntArray: - delete ((std::vector<int> *) data); - break; - } - }; - - void swap(NbtTag &other) { - std::swap(other.data, data); - std::swap(other.name, name); - std::swap(other.type, type); - } - - NbtTag &operator=(NbtTag other) { - other.swap(*this); - return *this; - } - - TagType GetType() const { - return type; - } - - string_t GetName() const { - return name; - } - - - string_t &GetString() { - string_t &val = *reinterpret_cast<std::string *>(data); - return val; - } - - compound_t &GetCompound() { - std::vector<NbtTag> &val = *reinterpret_cast<std::vector<NbtTag> *>(data); - return val; - } - - compound_t &GetList() { - std::vector<NbtTag> &val = *reinterpret_cast<std::vector<NbtTag> *>(data); - return val; - } - - int64_t &GetLong() { - int64_t &val = *reinterpret_cast<int64_t *>(data); - return val; - } - - float &GetFloat() { - float &val = *reinterpret_cast<float *>(data); - return val; - } - - double &GetDouble() { - double &val = *reinterpret_cast<double *>(data); - return val; - } - - byteArray_t &GetByteArray() { - auto &val = *reinterpret_cast<byteArray_t *>(data); - return val; - } - - intArray_t &GetIntArray() { - auto &val = *reinterpret_cast<intArray_t *>(data); - return val; - } - - int16_t &GetShort() { - auto &val = *reinterpret_cast<int16_t *>(data); - return val; - } - - int32_t &GetInt() { - auto &val = *reinterpret_cast<int32_t *>(data); - return val; - } - - int8_t &GetByte() { - auto &val = *reinterpret_cast<int8_t *>(data); - return val; - } - }; - - NbtTag ParseTag(unsigned char *data, size_t &size, TagType listItemType = Unknown) { - size = 0; - TagType type; - if (listItemType == Unknown) { - type = (TagType) *data; - data += 1; - size += 1; - } else - type = listItemType; - string_t name; - if (listItemType == Unknown && type != End) { - short nameLen = *((short *) data); - data += 2; - size += 2; - endswap(&nameLen); - name = std::string((char *) data, nameLen); - data += nameLen; - size += nameLen; - } - NbtTag tag(type, name); - switch (type) { - case Compound: { - do { - size_t s; - tag.GetCompound().push_back(ParseTag(data, s)); - data += s; - size += s; - } while (tag.GetCompound().back().GetType() != End); - tag.GetCompound().pop_back(); - return tag; - } - case String: { - short len = *((short *) data); - data += 2; - size += 2; - endswap(&len); - string_t str((char *) data, len); - data += len; - size += len; - tag.GetString() = str; - return tag; - } - case End: - return tag; - case Long: - tag.GetLong() = *((int64_t *) data); - endswap(&tag.GetLong()); - data += 8; - size += 8; - return tag; - case Short: - tag.GetShort() = *((int16_t *) data); - endswap(&tag.GetShort()); - data += 2; - size += 2; - return tag; - case Float: - tag.GetFloat() = *((float *) data); - endswap(&tag.GetFloat()); - data += 4; - size += 4; - return tag; - case Double: - tag.GetDouble() = *((double *) data); - endswap(&tag.GetDouble()); - data += 8; - size += 8; - return tag; - case Byte: - tag.GetByte() = *((int8_t *) data); - endswap(&tag.GetByte()); - data += 1; - size += 1; - return tag; - case Int: - tag.GetInt() = *((int32_t *) data); - endswap(&tag.GetInt()); - data += 4; - size += 4; - return tag; - case List: { - TagType listType = *((TagType *) data); - data += 1; - size += 1; - int32_t listLength = *((int32_t *) data); - endswap(&listLength); - data += 4; - size += 4; - for (int i = 0; i < listLength; i++) { - size_t s = 0; - std::vector<NbtTag> &vec = tag.GetCompound(); - vec.push_back(ParseTag(data, s, listType)); - data += s; - size += s; - } - return tag; - } - case ByteArray: { - int32_t arrLength = *((int32_t *) data); - endswap(&arrLength); - data += 4; - size += 4; - for (int i = 0; i < arrLength; i++) { - signed char val = (signed char) data[i]; - std::vector<signed char> &vec = tag.GetByteArray(); - vec.push_back(val); - } - data += arrLength; - size += arrLength; - return tag; - } - default: - throw 13; - } - } - - NbtTag ParseTag(unsigned char *data, size_t *optionalSize = nullptr) { - size_t s = 0; - size_t &size = (optionalSize ? *optionalSize : s); - return ParseTag(data, size); - } - - std::vector<unsigned char> Decompress(unsigned char *data, size_t dataLen) { - const size_t decompBuffSize = 1024 * 16; - unsigned char *decompBuff = new unsigned char[decompBuffSize]; - std::vector<unsigned char> uncompressed; - for (int i = 0; i < decompBuffSize; i++) - decompBuff[i] = 0; - - - z_stream stream; - stream.zalloc = Z_NULL; - stream.zfree = Z_NULL; - stream.opaque = Z_NULL; - stream.next_in = data; - stream.avail_in = dataLen; - stream.next_out = decompBuff; - stream.avail_out = decompBuffSize; - - if (inflateInit2(&stream, 15 + 32) != Z_OK) { - delete[] decompBuff; - throw 171; - } - - int res; - do { - stream.avail_out = decompBuffSize; - - switch ((res = inflate(&stream, Z_NO_FLUSH))) { - case Z_MEM_ERROR: - throw 172; - case Z_DATA_ERROR: - throw 173; - case Z_NEED_DICT: - throw 174; - } - - uncompressed.resize(uncompressed.size() + decompBuffSize); - std::copy(decompBuff, decompBuff + decompBuffSize, uncompressed.end() - decompBuffSize); - } while (stream.avail_out == 0); - if (res != Z_STREAM_END) - throw 175; - if (inflateEnd(&stream) != Z_OK) - throw 176; - delete[] decompBuff; - return uncompressed; - } - - NbtTag ParseCompressed(unsigned char *data, size_t dataLen) { - auto uncompressed = Decompress(data, dataLen); - NbtTag root = ParseTag(uncompressed.data()); - return root; - } - - NbtTag Parse(unsigned char *data, size_t dataLen) { - bool isCompressed = *data != 10; - if (isCompressed) - return ParseCompressed(data, dataLen); - else - return ParseTag(data); - } - - void PrintTree(NbtTag &tree, int deepness = 0, std::ostream &ostream = std::cout) { - ostream << std::string(deepness, '\t') << "Tag "; - switch (tree.GetType()) { - case Byte: - ostream << "byte"; - break; - case Short: - ostream << "short"; - break; - case Int: - ostream << "int"; - break; - case Long: - ostream << "long"; - break; - case Float: - ostream << "float"; - break; - case Double: - ostream << "double"; - break; - case ByteArray: - ostream << "byte array"; - break; - case String: - ostream << "string"; - break; - case List: - ostream << "list"; - break; - case Compound: - ostream << "compound"; - break; - case IntArray: - ostream << "int array"; - break; - case End: - ostream << "end"; - break; - } - if (tree.GetName().length() > 0) - ostream << " (" << tree.GetName() << ")"; - ostream << ": "; - - if (tree.GetType() == Compound || tree.GetType() == List) { - std::vector<NbtTag> &vec = (tree.GetType() == Compound ? tree.GetCompound() : tree.GetList()); - ostream << vec.size() << " entries {" << std::endl; - for (auto it = vec.begin(); it != vec.end(); ++it) { - PrintTree(*it, deepness + 1, std::cout); - } - ostream << std::string(deepness, '\t') << "}" << std::endl; - return; - } else { - switch (tree.GetType()) { - case Int: - ostream << tree.GetInt(); - break; - case String: - ostream << "\"" << tree.GetString() << "\""; - break; - case Double: - ostream << tree.GetDouble(); - break; - case Float: - ostream << tree.GetFloat(); - break; - case Short: - ostream << tree.GetShort(); - break; - case Byte: - ostream << (int) tree.GetByte(); - break; - case Long: - ostream << tree.GetLong(); - break; - case ByteArray: - ostream << "[" << tree.GetByteArray().size() << " bytes]: "; - for (int i = 0; i < (tree.GetByteArray().size() > 10 ? 10 : tree.GetByteArray().size()); i++) { - ostream << std::hex << "0x" << (tree.GetByteArray()[i] > 15 ? "" : "0") - << (int) tree.GetByteArray()[i] - << std::dec << " "; - } - break; - case IntArray: - break; - } - ostream << std::endl; - } - } -}
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