Class StreamReader

Source/ThirdParty/streamreader.hh:23–167

};

class StreamReader {
public:
  // Constructor: takes memory address, length, and endianness
  StreamReader(const uint8_t* data, size_t length, Endian endian = Endian::Little)
      : data_(data), length_(length), pos_(0), endian_(endian) {
    // Detect native endian
    uint16_t test = 0x0001;
    native_is_little_ = (*reinterpret_cast<uint8_t*>(&test) == 0x01);

    // Determine if we need to swap bytes
    if (endian_ == Endian::Native) {
      needs_swap_ = false;
    } else {
      bool data_is_little = (endian_ == Endian::Little);
      needs_swap_ = (data_is_little != native_is_little_);
    }
  }

  // Read n bytes into destination buffer
  // Returns false on out-of-bounds or error
  bool read(size_t n, uint8_t* dst) {
    if (!dst || n == 0) {
      return false;
    }
    if (pos_ + n > length_) {
      return false;  // Out of bounds
    }
    std::memcpy(dst, data_ + pos_, n);
    pos_ += n;
    return true;
  }

  // Read 1 byte (uint8_t)
  bool read1(uint8_t* dst) {
    return read(1, dst);
  }

  // Read 2 bytes (uint16_t) with endian swap if needed
  bool read2(uint16_t* dst) {
    if (!dst) {
      return false;
    }
    uint8_t buf[2];
    if (!read(2, buf)) {
      return false;
    }

    if (needs_swap_) {
      *dst = static_cast<uint16_t>(buf[1]) << 8 |
             static_cast<uint16_t>(buf[0]);
    } else {
      std::memcpy(dst, buf, 2);
    }
    return true;
  }

  // Read 4 bytes (uint32_t) with endian swap if needed
  bool read4(uint32_t* dst) {