Method encode

src/modules/scripting/data/EmbeddedScript.cpp:97–141

}

Result<std::vector<uint8_t>> EmbeddedScript::encode(bool includePrefix, std::string_view prefixStr) const {
    qn::HeapByteWriter writer;
    writer.writeBool(this->main);
    MAP_UNWRAP(writer.writeStringU16(this->filename));
    MAP_UNWRAP(writer.writeStringU32(this->content));
    writer.writeBool(this->signature.has_value());

    if (this->signature) {
        writer.writeBytes(*signature);
    }

    auto rawData = writer.written();
    size_t bound = qn::ZstdCompressor::compressBound(rawData.size());

    qn::HeapByteWriter outWriter;
    if (includePrefix) {
        outWriter.writeBytes((uint8_t*) prefixStr.data(), prefixStr.size());
        outWriter.writeU8(0);
        outWriter.writeBytes((uint8_t*) EMBEDDED_SCRIPT_MAGIC.data(), EMBEDDED_SCRIPT_MAGIC.size());
    }

    outWriter.writeU32(rawData.size()); // uncompressed size

    auto lastPos = outWriter.position();
    outWriter.writeZeroes(bound);
    auto fullWritten = outWriter.written();

    // rn fullWritten may or may not contain the null byte and magic, offset to get the actual compress destination
    auto compressDest = fullWritten.subspan(lastPos);

    MAP_UNWRAP(qn::compressZstd(
        rawData.data(),
        rawData.size(),
        const_cast<uint8_t*>(compressDest.data()),
        bound,
        8
    ));

    auto outVector = std::move(outWriter).intoVector();

    // truncate extra data
    outVector.resize(lastPos + bound);

    return Ok(std::move(outVector));
}

}