_CommonHeader.py

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"""autogenerated by genpy from applanix_msgs/CommonHeader.msg. Do not edit."""
import sys
python3 = True if sys.hexversion > 0x03000000 else False
import genpy
import struct


class CommonHeader(genpy.Message):
  _md5sum = "cb573def7f5977ee910df3469d33c060"
  _type = "applanix_msgs/CommonHeader"
  _has_header = False #flag to mark the presence of a Header object
  _full_text = """string START_GROUP=$GRP
string START_MESSAGE=$MSG

uint8[4] start
uint16 id
uint16 length

"""
  # Pseudo-constants
  START_GROUP = '$GRP'
  START_MESSAGE = '$MSG'

  __slots__ = ['start','id','length']
  _slot_types = ['uint8[4]','uint16','uint16']

  def __init__(self, *args, **kwds):
    """
    Constructor. Any message fields that are implicitly/explicitly
    set to None will be assigned a default value. The recommend
    use is keyword arguments as this is more robust to future message
    changes.  You cannot mix in-order arguments and keyword arguments.

    The available fields are:
       start,id,length

    :param args: complete set of field values, in .msg order
    :param kwds: use keyword arguments corresponding to message field names
    to set specific fields.
    """
    if args or kwds:
      super(CommonHeader, self).__init__(*args, **kwds)
      #message fields cannot be None, assign default values for those that are
      if self.start is None:
        self.start = chr(0)*4
      if self.id is None:
        self.id = 0
      if self.length is None:
        self.length = 0
    else:
      self.start = chr(0)*4
      self.id = 0
      self.length = 0

  def _get_types(self):
    """
    internal API method
    """
    return self._slot_types

  def serialize(self, buff):
    """
    serialize message into buffer
    :param buff: buffer, ``StringIO``
    """
    try:
      _x = self.start
      # - if encoded as a list instead, serialize as bytes instead of string
      if type(_x) in [list, tuple]:
        buff.write(_struct_4B.pack(*_x))
      else:
        buff.write(_struct_4s.pack(_x))
      _x = self
      buff.write(_struct_2H.pack(_x.id, _x.length))
    except struct.error as se: self._check_types(se)
    except TypeError as te: self._check_types(te)

  def deserialize(self, str):
    """
    unpack serialized message in str into this message instance
    :param str: byte array of serialized message, ``str``
    """
    try:
      end = 0
      start = end
      end += 4
      self.start = str[start:end]
      _x = self
      start = end
      end += 4
      (_x.id, _x.length,) = _struct_2H.unpack(str[start:end])
      return self
    except struct.error as e:
      raise genpy.DeserializationError(e) #most likely buffer underfill


  def serialize_numpy(self, buff, numpy):
    """
    serialize message with numpy array types into buffer
    :param buff: buffer, ``StringIO``
    :param numpy: numpy python module
    """
    try:
      _x = self.start
      # - if encoded as a list instead, serialize as bytes instead of string
      if type(_x) in [list, tuple]:
        buff.write(_struct_4B.pack(*_x))
      else:
        buff.write(_struct_4s.pack(_x))
      _x = self
      buff.write(_struct_2H.pack(_x.id, _x.length))
    except struct.error as se: self._check_types(se)
    except TypeError as te: self._check_types(te)

  def deserialize_numpy(self, str, numpy):
    """
    unpack serialized message in str into this message instance using numpy for array types
    :param str: byte array of serialized message, ``str``
    :param numpy: numpy python module
    """
    try:
      end = 0
      start = end
      end += 4
      self.start = str[start:end]
      _x = self
      start = end
      end += 4
      (_x.id, _x.length,) = _struct_2H.unpack(str[start:end])
      return self
    except struct.error as e:
      raise genpy.DeserializationError(e) #most likely buffer underfill

_struct_I = genpy.struct_I
_struct_2H = struct.Struct("<2H")
_struct_4B = struct.Struct("<4B")
_struct_4s = struct.Struct("<4s")