Class ILeStream

pdal/util/IStream.hpp:277–431

Stream wrapper for input of binary data that converts from little-endian to host ordering. */

  to host ordering.
*/
class ILeStream : public IStream
{
public:
    /**
      Default constructor.
    */
    PDAL_EXPORT ILeStream()
    {}

    /**
      Constructor that opens the file and maps it to a stream.

      \param filename  Filename.
    */
    PDAL_EXPORT ILeStream(const std::string& filename) : IStream(filename)
    {}

    /**
      Constructor that maps to a provided stream.

      \param stream  Stream to extract from.
    */
    PDAL_EXPORT ILeStream(std::istream *stream) : IStream(stream)
    {}

    /**
      Extract an unsigned byte from the stream.

      \param v  unsigned byte to populate
      \return  This stream.
    */
    PDAL_EXPORT ILeStream& operator >> (uint8_t& v)
    {
        v = (uint8_t)m_stream->get();
        return *this;
    }

    /**
      Extract an unsigned byte from the stream.

      \param v  unsigned byte to populate
      \return  This stream.
    */
    PDAL_EXPORT ILeStream& operator >> (int8_t& v)
    {
        v = (int8_t)m_stream->get();
        return *this;
    }

    /**
      Extract an unsigned short from the stream.

      \param v  unsigned short to populate
      \return  This stream.
    */
    PDAL_EXPORT ILeStream& operator >> (uint16_t& v)
    {
        m_stream->read((char *)&v, sizeof(v));