DMX.cpp

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// ReSharper disable CppRedundantQualifier
 
#include <kvpp/DMX.h>
 
#include <format>
#include <limits>
#include <random>
#include <sstream>
#include <utility>
 
#include <BufferStream.h>
#include <iomanip>
#include <sourcepp/FS.h>
 
using namespace kvpp;
using namespace sourcepp;
 
// NOLINTNEXTLINE(*-no-recursion)
std::string DMXValue::idToString(ID id) {
    switch (id) {
        case ID::INVALID: break;
        case ID::ELEMENT:      return "element";
        case ID::INT32:        return "int";
        case ID::FLOAT:        return "float";
        case ID::BOOL:         return "bool";
        case ID::STRING:       return "string";
        case ID::BYTEARRAY:    return "binary";
        case ID::UUID:         return "elementid";
        case ID::TIME:         return "time";
        case ID::COLOR:        return "color";
        case ID::VECTOR2:      return "vector2";
        case ID::VECTOR3:      return "vector3";
        case ID::VECTOR4:      return "vector4";
        case ID::EULER_ANGLES: return "angle";
        case ID::QUATERNION:   return "quaternion";
        case ID::MATRIX_4X4:   return "matrix";
        case ID::UINT64:       return "uint64";
        case ID::UINT8:        return "uint8";
        case ID::ARRAY_ELEMENT:
        case ID::ARRAY_INT32:
        case ID::ARRAY_FLOAT:
        case ID::ARRAY_BOOL:
        case ID::ARRAY_STRING:
        case ID::ARRAY_BYTEARRAY:
        case ID::ARRAY_UUID:
        case ID::ARRAY_TIME:
        case ID::ARRAY_COLOR:
        case ID::ARRAY_VECTOR2:
        case ID::ARRAY_VECTOR3:
        case ID::ARRAY_VECTOR4:
        case ID::ARRAY_EULER_ANGLES:
        case ID::ARRAY_QUATERNION:
        case ID::ARRAY_MATRIX_4X4:
        case ID::ARRAY_UINT64:
        case ID::ARRAY_UINT8:
            return idToString(arrayIDToInnerID(id)) + "_array";
    }
    return "invalid";
}
 
bool DMXAttribute::isInvalid() const {
    return static_cast<DMXValue::ID>(this->value.index()) == DMXValue::ID::INVALID;
}
 
DMXAttribute::operator bool() const {
    return !this->isInvalid();
}
 
std::string_view DMXAttribute::getKey() const {
    return this->key;
}
 
void DMXAttribute::setKey(std::string key_) {
    this->key = std::move(key_);
}
 
DMXValue::ID DMXAttribute::getValueType() const {
    return static_cast<DMXValue::ID>(this->value.index());
}
 
bool DMXAttribute::isValueArray() const {
    return this->getValueType() >= DMXValue::ID::ARRAY_START;
}
 
const DMXValue::Generic& DMXAttribute::getValue() const {
    return this->value;
}
 
std::string DMXAttribute::getValueString() const {
    switch (const auto type = this->getValueType()) {
        using enum DMXValue::ID;
        case INVALID:
            return DMXValue::idToString(type);
        case ELEMENT: {
            const auto [index, stubGUID] = this->getValue<DMXValue::Element>();
            return std::format("{}{}", index == -2 ? "GUID: " : "#", index);
        }
        case INT32:
            return std::format("{}", this->getValue<int32_t>());
        case FLOAT:
            return std::format("{}", this->getValue<float>());
        case BOOL:
            return std::format("{}", static_cast<int>(this->getValue<bool>()));
        case STRING:
            return this->getValue<std::string>();
        case BYTEARRAY: {
            std::stringstream hex;
            hex << std::hex << std::setfill('0');
            for (auto byte : this->getValue<DMXValue::ByteArray>()) {
                hex << std::setw(2) << static_cast<unsigned char>(byte);
            }
            return hex.str();
        }
        case UUID: {
            std::stringstream hex;
            hex << std::hex << std::setfill('0');
            for (auto byte : this->getValue<DMXValue::UUID>()) {
                hex << std::setw(2) << static_cast<unsigned char>(byte);
            }
            return hex.str();
        }
        case TIME:
            return std::format("{}", this->getValue<DMXValue::Time>().seconds);
        case COLOR: {
            const auto [r, g, b, a] = this->getValue<DMXValue::Color>();
            return std::format("rgba({}, {}, {}, {})", r, g, b, a);
        }
        case VECTOR2: {
            const auto vec2 = this->getValue<DMXValue::Vector2>();
            return std::format("[{}, {}]", vec2[0], vec2[1]);
        }
        case VECTOR3: {
            const auto vec3 = this->getValue<DMXValue::Vector3>();
            return std::format("[{}, {}, {}]", vec3[0], vec3[1], vec3[2]);
        }
        case VECTOR4: {
            const auto vec4 = this->getValue<DMXValue::Vector4>();
            return std::format("[{}, {}, {}, {}]", vec4[0], vec4[1], vec4[2], vec4[3]);
        }
        case EULER_ANGLES: {
            const auto angles = this->getValue<DMXValue::EulerAngles>();
            return std::format("[{}, {}, {}]", angles[0], angles[1], angles[2]);
        }
        case QUATERNION: {
            const auto quat = this->getValue<DMXValue::Quaternion>();
            return std::format("[{}, {}, {}, {}]", quat[0], quat[1], quat[2], quat[3]);
        }
        case MATRIX_4X4: {
            const auto mat4 = this->getValue<DMXValue::Matrix4x4>();
            std::string out;
            for (int i = 0; i < 4; i++) {
                out += i == 0 ? '[' : ' ';
                for (int j = 0; j < 4; j++) {
                    out += std::format("{}{}", mat4[i][j], j < 3 ? ", " : i < 3 ? ",\n" : "]");
                }
            }
            return out;
        }
        case UINT64:
            return std::format("{}", this->getValue<uint64_t>());
        case UINT8:
            return std::format("{}", static_cast<int>(this->getValue<uint8_t>()));
        case ARRAY_ELEMENT: {
            const auto elements = this->getValue<std::vector<DMXValue::Element>>();
            std::string out = "[";
            for (int i = 0; i < elements.size(); i++) {
                if (elements[i].index == -2) {
                    out += std::format("{}GUID: {}{}", i == 0 ? "" : " ", elements[i].externalGUID, i == elements.size() - 1 ? "" : ",");
                } else {
                    out += std::format("{}#{}{}", i == 0 ? "" : " ", elements[i].index, i == elements.size() - 1 ? "" : ",");
                }
            }
            return out + ']';
        }
        case ARRAY_INT32: {
            const auto ints = this->getValue<std::vector<int32_t>>();
            std::string out = "[";
            for (int i = 0; i < ints.size(); i++) {
                out += std::format("{}{}{}", i == 0 ? "" : " ", ints[i], i == ints.size() - 1 ? "" : ",");
            }
            return out + ']';
        }
        case ARRAY_FLOAT: {
            const auto floats = this->getValue<std::vector<float>>();
            std::string out = "[";
            for (int i = 0; i < floats.size(); i++) {
                out += std::format("{}{}{}", i == 0 ? "" : " ", floats[i], i == floats.size() - 1 ? "" : ",");
            }
            return out + ']';
        }
        case ARRAY_BOOL: {
            const auto bools = this->getValue<std::vector<bool>>();
            std::string out = "[";
            for (int i = 0; i < bools.size(); i++) {
                // ReSharper disable once CppRedundantCastExpression
                out += std::format("{}{}{}", i == 0 ? "" : " ", static_cast<bool>(bools[i]), i == bools.size() - 1 ? "" : ",");
            }
            return out + ']';
        }
        case ARRAY_STRING: {
            const auto strings = this->getValue<std::vector<std::string>>();
            std::string out = "[";
            for (int i = 0; i < strings.size(); i++) {
                out += std::format("{}{}{}", i == 0 ? "" : " ", strings[i], i == strings.size() - 1 ? "" : ",\n");
            }
            return out + ']';
        }
        case ARRAY_BYTEARRAY: {
            const auto bytearrays = this->getValue<std::vector<DMXValue::ByteArray>>();
            std::string out = "[";
            for (int i = 0; i < bytearrays.size(); i++) {
                std::stringstream hex;
                hex << std::hex << std::setfill('0');
                for (auto byte : bytearrays[i]) {
                    hex << std::setw(2) << static_cast<unsigned char>(byte);
                }
                out += std::format("{}{}{}", i == 0 ? "" : " ", hex.str(), i == bytearrays.size() - 1 ? "" : ",\n");
            }
            return out + ']';
        }
        case ARRAY_UUID: {
            const auto uuids = this->getValue<std::vector<DMXValue::UUID>>();
            std::string out = "[";
            for (int i = 0; i < uuids.size(); i++) {
                std::stringstream hex;
                hex << std::hex << std::setfill('0');
                for (auto byte : uuids[i]) {
                    hex << std::setw(2) << static_cast<unsigned char>(byte);
                }
                out += std::format("{}{}{}", i == 0 ? "" : " ", hex.str(), i == uuids.size() - 1 ? "" : ",\n");
            }
            return out + ']';
        }
        case ARRAY_TIME: {
            const auto times = this->getValue<std::vector<DMXValue::Time>>();
            std::string out = "[";
            for (int i = 0; i < times.size(); i++) {
                out += std::format("{}{}{}", i == 0 ? "" : " ", times[i].seconds, i == times.size() - 1 ? "" : ",");
            }
            return out + ']';
        }
        case ARRAY_COLOR: {
            const auto colors = this->getValue<std::vector<DMXValue::Color>>();
            std::string out = "[";
            for (int i = 0; i < colors.size(); i++) {
                out += std::format("{}rgba({}, {}, {}, {}){}", i == 0 ? "" : " ", colors[i].r, colors[i].g, colors[i].b, colors[i].a, i == colors.size() - 1 ? "" : ",\n");
            }
            return out + ']';
        }
        case ARRAY_VECTOR2: {
            const auto vecs = this->getValue<std::vector<DMXValue::Vector2>>();
            std::string out = "[";
            for (int i = 0; i < vecs.size(); i++) {
                out += std::format("{}[{}, {}]{}", i == 0 ? "" : " ", vecs[i][0], vecs[i][1], i == vecs.size() - 1 ? "" : ",\n");
            }
            return out + ']';
        }
        case ARRAY_VECTOR3: {
            const auto vecs = this->getValue<std::vector<DMXValue::Vector3>>();
            std::string out = "[";
            for (int i = 0; i < vecs.size(); i++) {
                out += std::format("{}[{}, {}, {}]{}", i == 0 ? "" : " ", vecs[i][0], vecs[i][1], vecs[i][2], i == vecs.size() - 1 ? "" : ",\n");
            }
            return out + ']';
        }
        case ARRAY_VECTOR4: {
            const auto vecs = this->getValue<std::vector<DMXValue::Vector4>>();
            std::string out = "[";
            for (int i = 0; i < vecs.size(); i++) {
                out += std::format("{}[{}, {}, {}, {}]{}", i == 0 ? "" : " ", vecs[i][0], vecs[i][1], vecs[i][2], vecs[i][3], i == vecs.size() - 1 ? "" : ",\n");
            }
            return out + ']';
        }
        case ARRAY_EULER_ANGLES: {
            const auto angles = this->getValue<std::vector<DMXValue::EulerAngles>>();
            std::string out = "[";
            for (int i = 0; i < angles.size(); i++) {
                out += std::format("{}[{}, {}, {}]{}", i == 0 ? "" : " ", angles[i][0], angles[i][1], angles[i][2], i == angles.size() - 1 ? "" : ",\n");
            }
            return out + ']';
        }
        case ARRAY_QUATERNION: {
            const auto quats = this->getValue<std::vector<DMXValue::Quaternion>>();
            std::string out = "[";
            for (int i = 0; i < quats.size(); i++) {
                out += std::format("{}[{}, {}, {}, {}]{}", i == 0 ? "" : " ", quats[i][0], quats[i][1], quats[i][2], quats[i][3], i == quats.size() - 1 ? "" : ",\n");
            }
            return out + ']';
        }
        case ARRAY_MATRIX_4X4: {
            const auto matrices = this->getValue<std::vector<DMXValue::Matrix4x4>>();
            std::string out = "[";
            for (int m = 0; m < matrices.size(); m++) {
                out += m == 0 ? "[" : " [";
                for (int i = 0; i < 4; i++) {
                    out += i == 0 ? "" : "  ";
                    for (int j = 0; j < 4; j++) {
                        out += std::format("{}{}", matrices[m][i][j], j < 3 ? ", " : i < 3 ? ",\n" : "]");
                    }
                }
                if (m < matrices.size() - 1) {
                    out += ",\n";
                }
            }
            return out + ']';
        }
        case ARRAY_UINT64: {
            const auto ints = this->getValue<std::vector<uint64_t>>();
            std::string out = "[";
            for (int i = 0; i < ints.size(); i++) {
                out += std::format("{}{}{}", i == 0 ? "" : " ", ints[i], i == ints.size() - 1 ? "" : ",");
            }
            return out + ']';
        }
        case ARRAY_UINT8: {
            const auto ints = this->getValue<std::vector<uint8_t>>();
            std::string out = "[";
            for (int i = 0; i < ints.size(); i++) {
                out += std::format("{}{}{}", i == 0 ? "" : " ", ints[i], i == ints.size() - 1 ? "" : ",");
            }
            return out + ']';
        }
    }
    return "";
}
 
void DMXAttribute::setValue(DMXValue::Generic value_) {
    this->value = std::move(value_);
}
 
DMXAttribute& DMXAttribute::operator=(DMXValue::Generic value_) {
    this->value = std::move(value_);
    return *this;
}
 
DMXElement::operator bool() const {
    return !this->type.empty() || !this->key.empty() || this->uuid != DMXValue::UUID{};
}
 
std::string_view DMXElement::getType() const {
    return this->type;
}
 
void DMXElement::setType(std::string type_) {
    this->type = std::move(type_);
}
 
std::string_view DMXElement::getKey() const {
    return this->key;
}
 
void DMXElement::setKey(std::string key_) {
    this->key = std::move(key_);
}
 
const DMXValue::UUID& DMXElement::getUUID() const {
    return this->uuid;
}
 
void DMXElement::setUUID(const DMXValue::UUID& guid_) {
    this->uuid = guid_;
}
 
bool DMXElement::hasAttribute(std::string_view attributeKey) const {
    return !this->operator[](attributeKey);
}
 
DMXAttribute& DMXElement::addAttribute(std::string key_, DMXValue::Generic value_) {
    DMXAttribute attr;
    attr.setKey(std::move(key_));
    attr.setValue(std::move(value_));
    this->attributes.push_back(std::move(attr));
    return this->attributes.back();
}
 
uint64_t DMXElement::getAttributeCount() const {
    return this->attributes.size();
}
 
uint64_t DMXElement::getAttributeCount(std::string_view childKey) const {
    uint64_t count = 0;
    for (const DMXAttribute& element : this->attributes) {
        if (string::iequals(element.key, childKey)) {
            ++count;
        }
    }
    return count;
}
 
const std::vector<DMXAttribute>& DMXElement::getAttributes() const {
    return this->attributes;
}
 
std::vector<DMXAttribute>& DMXElement::getAttributes() {
    return this->attributes;
}
 
const DMXAttribute& DMXElement::operator[](unsigned int n) const {
    return this->attributes.at(n);
}
 
DMXAttribute& DMXElement::operator[](unsigned int n) {
    return this->attributes.at(n);
}
 
const DMXAttribute& DMXElement::operator[](std::string_view attributeKey) const {
    return this->operator()(attributeKey);
}
 
DMXAttribute& DMXElement::operator[](std::string_view attributeKey) {
    return this->operator()(attributeKey);
}
 
const DMXAttribute& DMXElement::operator()(std::string_view attributeKey) const {
    for (const auto& attribute : this->attributes) {
        if (string::iequals(attribute.getKey(), attributeKey)) {
            return attribute;
        }
    }
    return getInvalidAttribute();
}
 
DMXAttribute& DMXElement::operator()(std::string_view attributeKey) {
    for (auto& attribute : this->attributes) {
        if (string::iequals(attribute.getKey(), attributeKey)) {
            return attribute;
        }
    }
    return this->addAttribute(std::string{attributeKey});
}
 
const DMXAttribute& DMXElement::operator()(std::string_view attributeKey, unsigned int n) const {
    unsigned int count = 0;
    for (const auto& attribute : this->attributes) {
        if (string::iequals(attribute.getKey(), attributeKey)) {
            if (count == n) {
                return attribute;
            }
            if (++count > n) {
                break;
            }
        }
    }
    return getInvalidAttribute();
}
 
DMXAttribute& DMXElement::operator()(std::string_view attributeKey, unsigned int n) {
    unsigned int count = 0;
    for (auto& attribute : this->attributes) {
        if (string::iequals(attribute.getKey(), attributeKey)) {
            if (count == n) {
                return attribute;
            }
            if (++count > n) {
                break;
            }
        }
    }
    return this->addAttribute(std::string{attributeKey});
}
 
void DMXElement::removeAttribute(unsigned int n) {
    if (this->attributes.size() > n) {
        this->attributes.erase(this->attributes.begin() + n);
    }
}
 
void DMXElement::removeAttribute(std::string_view attributeKey, int n) {
    unsigned int count = 0;
    for (auto attribute = this->attributes.begin(); attribute != this->attributes.end(); ++attribute) {
        if (string::iequals(attribute->getKey(), attributeKey)) {
            if (n < 0 || count == n) {
                attribute = this->attributes.erase(attribute);
                if (count == n) {
                    return;
                }
            }
            ++count;
        }
    }
}
 
const DMXAttribute& DMXElement::getInvalidAttribute() {
    static DMXAttribute attribute;
    return attribute;
}
 
DMX::DMX(Encoding encodingType_, int encodingVersion_, std::string formatType_, int formatVersion_)
        : encodingType{encodingType_}
        , encodingVersion{encodingVersion_}
        , formatType{std::move(formatType_)}
        , formatVersion{formatVersion_} {}
 
DMX::DMX(std::span<const std::byte> dmxData) {
    BufferStreamReadOnly stream{dmxData};
 
    // Header can be at most MAX_HEADER characters long followed by either a null terminator or newline
    static constexpr int MAX_FORMAT_LENGTH = 64;
    static constexpr int MAX_HEADER_LENGTH = 40 + MAX_FORMAT_LENGTH * 2;
 
    std::string header;
    while (header.length() < MAX_HEADER_LENGTH) {
        const char temp = stream.read<char>();
        if (temp == '\0' || temp == '\n') {
            break;
        }
        header += temp;
    }
 
    std::array<char, MAX_FORMAT_LENGTH> encodingTypeData{};
    std::array<char, MAX_FORMAT_LENGTH> formatTypeData{};
 
    static constexpr std::string_view HEADER_FORMAT = "<!-- dmx encoding %63s %i format %63s %i -->";
    static constexpr std::string_view HEADER_FORMAT_OLD = "<!-- DMXVersion %63s_v%i -->";
 
#ifdef _WIN32
    bool headerParsed = sscanf_s(header.c_str(), HEADER_FORMAT.data(), encodingTypeData.data(), MAX_FORMAT_LENGTH, &this->encodingVersion, formatTypeData.data(), MAX_FORMAT_LENGTH, &this->formatVersion);
#else
    bool headerParsed = std::sscanf(header.c_str(), HEADER_FORMAT.data(), encodingTypeData.data(), &this->encodingVersion, formatTypeData.data(), &this->formatVersion); // NOLINT(*-err34-c)
#endif
    if (!headerParsed) {
        // Try old header, then bail if it's genuinely malformed
#ifdef _WIN32
        headerParsed = sscanf_s(header.c_str(), HEADER_FORMAT_OLD.data(), encodingTypeData.data(), MAX_FORMAT_LENGTH, &this->encodingVersion);
#else
        headerParsed = std::sscanf(header.c_str(), HEADER_FORMAT_OLD.data(), encodingTypeData.data(), &this->encodingVersion); // NOLINT(*-err34-c)
#endif
        if (!headerParsed) {
            this->encodingType = ENCODING_INVALID;
            return;
        }
 
        this->formatType = "dmx";
 
        std::string_view encodingTypeStr = encodingTypeData.data();
        if (encodingTypeStr.starts_with("unicode_")) {
            this->encodingTypeHasUnicodePrefix = true;
            encodingTypeStr = encodingTypeStr.substr(8);
        }
 
        if (encodingTypeStr == "binary") {
            this->encodingType = ENCODING_BINARY_OLD;
        } else if (encodingTypeStr == "sfm") {
            this->encodingType = ENCODING_BINARY_OLD_SFM;
            this->formatType = encodingTypeStr;
            this->formatVersion = encodingVersion;
        } else if (encodingTypeStr == "keyvalues2") {
            this->encodingType = ENCODING_KEYVALUES2_OLD;
        } else if (encodingTypeStr == "keyvalues2_flat") {
            this->encodingType = ENCODING_KEYVALUES2_FLAT_OLD;
        } else {
            this->encodingType = ENCODING_INVALID;
            return;
        }
    } else {
        this->formatType = formatTypeData.data();
 
        std::string_view encodingTypeStr = encodingTypeData.data();
        if (encodingTypeStr.starts_with("unicode_")) {
            this->encodingTypeHasUnicodePrefix = true;
            encodingTypeStr = encodingTypeStr.substr(8);
        }
 
        if (encodingTypeStr == "binary") {
            this->encodingType = ENCODING_BINARY;
        } else if (encodingTypeStr == "binary_seqids") {
            this->encodingType = ENCODING_BINARY_SEQIDS;
        } else if (encodingTypeStr == "keyvalues2") {
            this->encodingType = ENCODING_KEYVALUES2;
        } else if (encodingTypeStr == "keyvalues2_flat") {
            this->encodingType = ENCODING_KEYVALUES2_FLAT;
        } else if (encodingTypeStr == "keyvalues2_noids") {
            this->encodingType = ENCODING_KEYVALUES2_NOIDS;
        } else {
            this->encodingType = ENCODING_INVALID;
            return;
        }
    }
 
    if (!isEncodingVersionValid(this->encodingType, this->encodingVersion)) {
        this->encodingType = ENCODING_INVALID;
        return;
    }
 
    const auto readBinary = [this, &stream] {
        // Version-specific conditionals
        const bool isLegacyEncoding = this->encodingType == ENCODING_BINARY_OLD || this->encodingType == ENCODING_BINARY_OLD_SFM;
        const DMXValue::IDVersion attributeIDVersion = isLegacyEncoding || this->encodingVersion < 3 ? DMXValue::IDVersion::V1 : this->encodingVersion < 9 ? DMXValue::IDVersion::V2 : DMXValue::IDVersion::V3;
        const bool stringListExists = !isLegacyEncoding && this->encodingVersion > 1;
        const bool elementNamesAndStringValuesAreStoredInStringList = !isLegacyEncoding && this->encodingVersion > 3;
        const bool stringListLengthIsShort = this->encodingVersion < 4;
        const bool stringListIndicesAreShort = this->encodingVersion < 5;
        const bool preloadAttributeListExists = !isLegacyEncoding && this->encodingVersion > 5;
 
        // Eat the null terminator for the header.
        if (stream.read<char>() != 0) {
            return false;
        }
 
        // Helper to read a string index and get the string from the list
        std::vector<std::string> stringList;
        const auto readStringFromIndex = [stringListExists, stringListIndicesAreShort, &stringList](BufferStream& stream_) -> std::string {
            if (!stringListExists) {
                return stream_.read_string();
            }
            uint32_t index;
            if (stringListIndicesAreShort) {
                index = stream_.read<uint16_t>();
            } else {
                index = stream_.read<uint32_t>();
            }
            if (index >= stringList.size()) {
                // This is an intentional feature of the format
                return "";
            }
            return stringList.at(index);
        };
 
        // Helper to read a value for an attribute
        std::function<DMXValue::Generic(DMXValue::ID, bool)> readValue;
        readValue = [&stream, &readStringFromIndex, &readValue](DMXValue::ID type, bool useStringList) -> DMXValue::Generic {
            const auto readArrayValue = [&stream, &readValue]<typename T>(DMXValue::ID type_) {
                std::vector<T> out;
                auto size = stream.read<uint32_t>();
                out.reserve(size);
                for (int i = 0; i < size; i++) {
                    // String arrays are always inline
                    out.push_back(std::get<T>(readValue(DMXValue::arrayIDToInnerID(type_), false)));
                }
                return out;
            };
            switch (type) {
                using enum DMXValue::ID;
                case INVALID:
                    return std::monostate{};
                case ELEMENT: {
                    DMXValue::Element value;
                    value.index = stream.read<int32_t>();
                    if (value.index == -2) {
                        // Read in the ASCII GUID
                        value.externalGUID = stream.read_string();
                    }
                    return value;
                }
                case INT32:
                    return stream.read<int32_t>();
                case FLOAT:
                    return stream.read<float>();
                case BOOL:
                    return stream.read<bool>();
                case STRING:
                    return useStringList ? readStringFromIndex(stream) : stream.read_string();
                case BYTEARRAY:
                    return stream.read_bytes(stream.read<uint32_t>());
                case UUID:
                    return stream.read_bytes<16>();
                case TIME:
                    return DMXValue::Time{static_cast<float>(static_cast<double>(stream.read<int32_t>()) / 10000.0)};
                case COLOR: {
                    DMXValue::Color value{};
                    stream >> value.r >> value.g >> value.b >> value.a;
                    return value;
                }
                case VECTOR2: {
                    DMXValue::Vector2 value;
                    stream >> value[0] >> value[1];
                    return value;
                }
                case VECTOR3: {
                    DMXValue::Vector3 value;
                    stream >> value[0] >> value[1] >> value[2];
                    return value;
                }
                case VECTOR4: {
                    DMXValue::Vector4 value;
                    stream >> value[0] >> value[1] >> value[2] >> value[3];
                    return value;
                }
                case EULER_ANGLES: {
                    DMXValue::EulerAngles value;
                    stream >> value[0] >> value[1] >> value[2];
                    return value;
                }
                case QUATERNION: {
                    DMXValue::Quaternion value;
                    stream >> value[0] >> value[1] >> value[2] >> value[3];
                    return value;
                }
                case MATRIX_4X4: {
                    DMXValue::Matrix4x4 value;
                    stream
                        >> value[0][0] >> value[0][1] >> value[0][2] >> value[0][3]
                        >> value[1][0] >> value[1][1] >> value[1][2] >> value[1][3]
                        >> value[2][0] >> value[2][1] >> value[2][2] >> value[2][3]
                        >> value[3][0] >> value[3][1] >> value[3][2] >> value[3][3];
                    return value;
                }
                case UINT64:
                    return stream.read<uint64_t>();
                case UINT8:
                    return stream.read<uint8_t>();
                case ARRAY_ELEMENT:
                    return readArrayValue.operator()<DMXValue::Element>(type);
                case ARRAY_INT32:
                    return readArrayValue.operator()<int32_t>(type);
                case ARRAY_FLOAT:
                    return readArrayValue.operator()<float>(type);
                case ARRAY_BOOL:
                    return readArrayValue.operator()<bool>(type);
                case ARRAY_STRING:
                    return readArrayValue.operator()<std::string>(type);
                case ARRAY_BYTEARRAY:
                    return readArrayValue.operator()<std::vector<std::byte>>(type);
                case ARRAY_UUID:
                    return readArrayValue.operator()<DMXValue::UUID>(type);
                case ARRAY_TIME:
                    return readArrayValue.operator()<DMXValue::Time>(type);
                case ARRAY_COLOR:
                    return readArrayValue.operator()<DMXValue::Color>(type);
                case ARRAY_VECTOR2:
                    return readArrayValue.operator()<DMXValue::Vector2>(type);
                case ARRAY_VECTOR3:
                    return readArrayValue.operator()<DMXValue::Vector3>(type);
                case ARRAY_VECTOR4:
                    return readArrayValue.operator()<DMXValue::Vector4>(type);
                case ARRAY_EULER_ANGLES:
                return readArrayValue.operator()<DMXValue::EulerAngles>(type);
                case ARRAY_QUATERNION:
                    return readArrayValue.operator()<DMXValue::Quaternion>(type);
                case ARRAY_MATRIX_4X4:
                    return readArrayValue.operator()<DMXValue::Matrix4x4>(type);
                case ARRAY_UINT64:
                    return readArrayValue.operator()<uint64_t>(type);
                case ARRAY_UINT8:
                    return readArrayValue.operator()<uint8_t>(type);
            }
            return std::monostate{};
        };
 
        // Helper to read element attributes
        const auto readAttributes = [&stream, attributeIDVersion, &readStringFromIndex, &readValue](DMXElement& element, bool useStringList) {
            const auto attributeCount = stream.read<int32_t>();
            element.attributes.reserve(attributeCount);
 
            for (int i = 0; i < attributeCount; i++) {
                element.attributes.push_back(DMXAttribute{});
                auto& attribute = element.attributes.back();
 
                attribute.setKey(readStringFromIndex(stream));
 
                auto attributeID = DMXValue::ID::INVALID;
                switch (attributeIDVersion) {
                    // ReSharper disable once CppDFAUnreachableCode
                    case DMXValue::IDVersion::V1: attributeID = DMXValue::decodeID(static_cast<DMXValue::IDv1>(stream.read<std::byte>())); break;
                    case DMXValue::IDVersion::V2: attributeID = DMXValue::decodeID(static_cast<DMXValue::IDv2>(stream.read<std::byte>())); break;
                    case DMXValue::IDVersion::V3: attributeID = DMXValue::decodeID(static_cast<DMXValue::IDv3>(stream.read<std::byte>())); break;
                }
                attribute.setValue(readValue(attributeID, useStringList));
            }
        };
 
        // Preload attributes
        if (preloadAttributeListExists) {
            if (const auto preloadElementCount = stream.read<uint32_t>()) {
                this->prefixAttributeContainers.reserve(preloadElementCount);
                for (uint32_t i = 0; i < preloadElementCount; i++) {
                    auto& element = this->addPrefixAttributeContainer();
                    readAttributes(element, false);
                }
            }
        }
 
        // String list
        if (stringListExists) {
            uint32_t stringCount;
            if (stringListLengthIsShort) {
                stringCount = stream.read<uint16_t>();
            } else {
                stringCount = stream.read<uint32_t>();
            }
            stringList.reserve(stringCount);
            for (int i = 0; i < stringCount; i++) {
                stringList.push_back(stream.read_string());
            }
        }
 
        // Read elements
        const auto elementCount = stream.read<int32_t>();
        this->elements.reserve(elementCount);
 
        for (int i = 0; i < elementCount; i++) {
            this->elements.push_back(DMXElement{});
            auto& element = this->elements.back();
 
            element.setType(readStringFromIndex(stream));
            if (elementNamesAndStringValuesAreStoredInStringList) {
                element.setKey(readStringFromIndex(stream));
            } else {
                element.setKey(stream.read_string());
            }
            element.setUUID(stream.read_bytes<16>());
        }
 
        // Read element attributes
        for (auto& element : this->elements) {
            readAttributes(element, elementNamesAndStringValuesAreStoredInStringList);
        }
 
        return true;
    };
 
    bool parseSuccess = false;
    switch (this->encodingType) {
        case ENCODING_INVALID:
            break;
        case ENCODING_BINARY_OLD:
        case ENCODING_BINARY_OLD_SFM:
        case ENCODING_BINARY:
        case ENCODING_BINARY_SEQIDS:
            parseSuccess = readBinary();
            break;
        case ENCODING_KEYVALUES2_OLD:
        case ENCODING_KEYVALUES2:
        case ENCODING_KEYVALUES2_FLAT_OLD:
        case ENCODING_KEYVALUES2_FLAT:
        case ENCODING_KEYVALUES2_NOIDS:
            break;
    }
    if (!parseSuccess) {
        this->encodingType = ENCODING_INVALID;
        this->elements.clear();
    }
}
 
DMX::DMX(std::string_view dmxData)
        : DMX{{reinterpret_cast<const std::byte*>(dmxData.data()), dmxData.size()}} {}
 
DMX::operator bool() const {
    return this->encodingType != ENCODING_INVALID;
}
 
DMX::Encoding DMX::getEncodingType() const {
    return this->encodingType;
}
 
void DMX::setEncodingType(Encoding encodingType_) {
    this->encodingType = encodingType_;
    if (!isEncodingVersionValid(this->encodingType, this->encodingVersion)) {
        this->encodingVersion = 1;
    }
}
 
bool DMX::doesEncodingTypeHaveUnicodePrefix() const {
    return this->encodingTypeHasUnicodePrefix;
}
 
void DMX::shouldEncodingTypeHaveUnicodePrefix(bool encodingTypeHasUnicodePrefix_) {
    this->encodingTypeHasUnicodePrefix = encodingTypeHasUnicodePrefix_;
}
 
int DMX::getEncodingVersion() const {
    return this->encodingVersion;
}
 
void DMX::setEncodingVersion(int encodingVersion_) {
    if (isEncodingVersionValid(this->encodingType, encodingVersion_)) {
        this->encodingVersion = encodingVersion_;
    }
}
 
std::string_view DMX::getFormatType() const {
    return this->formatType;
}
 
void DMX::setFormatType(std::string formatType_) {
    this->formatType = std::move(formatType_);
}
 
int DMX::getFormatVersion() const {
    return this->formatVersion;
}
 
void DMX::setFormatVersion(int formatVersion_) {
    this->formatVersion = formatVersion_;
}
 
DMXElement& DMX::addPrefixAttributeContainer() {
    this->prefixAttributeContainers.push_back(DMXElement{});
    return this->prefixAttributeContainers.back();
}
 
uint64_t DMX::getPrefixAttributeContainerCount() const {
    return this->prefixAttributeContainers.size();
}
 
const std::vector<DMXElement>& DMX::getPrefixAttributeContainers() const {
    return this->prefixAttributeContainers;
}
 
std::vector<DMXElement> & DMX::getPrefixAttributeContainers() {
    return this->prefixAttributeContainers;
}
 
void DMX::removePrefixAttributeContainer(unsigned int n) {
    if (this->prefixAttributeContainers.size() > n) {
        this->prefixAttributeContainers.erase(this->prefixAttributeContainers.begin() + n);
    }
}
 
bool DMX::hasElement(std::string_view key) const {
    return !this->operator[](key);
}
 
DMXElement& DMX::addElement(std::string type, std::string key) {
    DMXElement elem;
    elem.setType(std::move(type));
    elem.setKey(std::move(key));
    elem.setUUID(createRandomUUID());
    this->elements.push_back(std::move(elem));
    return this->elements.back();
}
 
uint64_t DMX::getElementCount() const {
    return this->elements.size();
}
 
uint64_t DMX::getElementCount(std::string_view key) const {
    uint64_t count = 0;
    for (const auto& element : this->elements) {
        if (string::iequals(element.getKey(), key)) {
            ++count;
        }
    }
    return count;
}
 
const std::vector<DMXElement>& DMX::getElements() const {
    return this->elements;
}
 
std::vector<DMXElement>& DMX::getElements() {
    return this->elements;
}
 
const DMXElement& DMX::operator[](unsigned int n) const {
    return this->elements.at(n);
}
 
DMXElement& DMX::operator[](unsigned int n) {
    return this->elements.at(n);
}
 
const DMXElement& DMX::operator[](std::string_view key) const {
    return this->operator()(key);
}
 
DMXElement& DMX::operator[](std::string_view key) {
    return this->operator()(key);
}
 
const DMXElement& DMX::operator()(std::string_view key) const {
    for (const auto& element : this->elements) {
        if (string::iequals(element.getKey(), key)) {
            return element;
        }
    }
    return getInvalidElement();
}
 
DMXElement& DMX::operator()(std::string_view key) {
    for (auto& element : this->elements) {
        if (string::iequals(element.getKey(), key)) {
            return element;
        }
    }
    return this->addElement("DmElement", std::string{key});
}
 
const DMXElement& DMX::operator()(std::string_view key, unsigned int n) const {
    unsigned int count = 0;
    for (const auto& element : this->elements) {
        if (string::iequals(element.getKey(), key)) {
            if (count == n) {
                return element;
            }
            if (++count > n) {
                break;
            }
        }
    }
    return getInvalidElement();
}
 
DMXElement& DMX::operator()(std::string_view key, unsigned int n) {
    unsigned int count = 0;
    for (auto& element: this->elements) {
        if (string::iequals(element.getKey(), key)) {
            if (count == n) {
                return element;
            }
            if (++count > n) {
                break;
            }
        }
    }
    return this->addElement("DmElement", std::string{key});
}
 
void DMX::removeElement(unsigned int n) {
    if (this->elements.size() > n) {
        this->elements.erase(this->elements.begin() + n);
    }
    for (auto& element : this->elements) {
        for (auto& attribute : element.attributes) {
            if (const auto attributeType = attribute.getValueType(); attributeType == DMXValue::ID::ELEMENT) {
                auto elementRef = attribute.getValue<DMXValue::Element>();
                if (elementRef.index > n) {
                    elementRef.index--;
                }
                attribute.setValue(elementRef);
            } else if (attributeType == DMXValue::ID::ARRAY_ELEMENT) {
                auto elementsRef = attribute.getValue<std::vector<DMXValue::Element>>();
                bool shouldSet = false;
                for (auto& [index, externalGUID] : elementsRef) {
                    if (index > n) {
                        index--;
                        shouldSet = true;
                    }
                }
                if (shouldSet) {
                    attribute.setValue(elementsRef);
                }
            }
        }
    }
}
 
std::vector<std::byte> DMX::bake() const {
    if (!isEncodingVersionValid(this->encodingType, this->encodingVersion)) {
        return {};
    }
 
    // todo: bake
    return {};
}
 
void DMX::bake(const std::filesystem::path& dmxPath) const {
    fs::writeFileBuffer(dmxPath, this->bake());
}
 
DMXValue::UUID DMX::createRandomUUID() {
    static std::random_device random_device{};
    static std::mt19937 generator{random_device()};
    std::uniform_int_distribution<short> distribution{std::numeric_limits<uint8_t>::min(), std::numeric_limits<uint8_t>::max()};
 
    DMXValue::UUID uuid;
    for (auto& byte : uuid) {
        byte = static_cast<std::byte>(distribution(generator));
    }
    return uuid;
}
 
const DMXElement& DMX::getInvalidElement() {
    static DMXElement element;
    return element;
}
 
DMX literals::operator ""_kv2(const char *str, std::size_t len) {
    return DMX{{str, len}};
}