def transferToBuffer(format, dataStruct, dStart, buffer, parentFormat,
isTopLevelStruct):
ftype = _IPC.formatType(format)
if (ftype == LengthFMT):
IPC.Raise("Python version of IPC can only use explicit formats")
elif (ftype == PrimitiveFMT):
if (isTopLevelStruct):
object = IPCdata()
object._f0 = dataStruct
dataStruct = object
primFmttrs.Encode(_IPC.formatPrimitiveProc(format), dataStruct, dStart,
buffer)
elif (ftype == PointerFMT):
object = primFmttrs.getObjectField(dataStruct, dStart)
# 'Z' means data, 0 means NIL
if (object is None): theChar = '\0'
else: theChar = 'Z'
_IPC.formatPutChar(buffer, theChar)
if (not object is None):
transferToBuffer(_IPC.formatChoosePtrFormat(format, parentFormat),
dataStruct, dStart, buffer, 0, isTopLevelStruct)
elif (ftype == StructFMT):
formatArray = _IPC.formatFormatArray(format)
structStart = 0
n = _IPC.formatFormatArrayMax(formatArray)
if (isTopLevelStruct): struct = dataStruct
else: struct = primFmttrs.getObjectField(dataStruct, dStart)
for i in range(1, n):
transferToBuffer(_IPC.formatFormatArrayItemPtr(formatArray, i),
struct, structStart, buffer, format, False)
structStart = structStart + 1
elif (ftype == FixedArrayFMT):
formatArray = _IPC.formatFormatArray(format)
nextFormat = _IPC.formatFormatArrayItemPtr(formatArray, 1)
if (isTopLevelStruct): arrayObject = dataStruct
else: arrayObject = primFmttrs.getObjectField(dataStruct, dStart)
if (not isinstance(arrayObject, (tuple, list))):
IPC.Raise(invalidArrayFormat(dataStruct, dStart))
else:
arrayTransferToBuffer(arrayObject, buffer, 2,
_IPC.formatFormatArrayMax(formatArray) - 1,
isSimpleType(nextFormat), formatArray,
nextFormat, dataStruct, False)
elif (ftype == VarArrayFMT):
formatArray = _IPC.formatFormatArray(format)
nextFormat = _IPC.formatFormatArrayItemPtr(formatArray, 1)
if (isTopLevelStruct): arrayObject = dataStruct
else: arrayObject = primFmttrs.getObjectField(dataStruct, dStart)
# For the size of the array
_IPC.formatPutInt(buffer, varArrayNumElements(formatArray, dataStruct))
if (not isinstance(arrayObject, (tuple, list))):
IPC.Raise(invalidArrayFormat(dataStruct, dStart))
else:
arrayTransferToBuffer(arrayObject, buffer, 2,
_IPC.formatFormatArrayMax(formatArray) - 1,
isSimpleType(nextFormat), formatArray,
nextFormat, dataStruct, True)
elif (ftype == NamedFMT):
transferToBuffer(_IPC.findNamedFormat(format), dataStruct, dStart,
buffer, parentFormat, isTopLevelStruct)
elif (ftype == EnumFMT):
primFmttrs.Encode(primFmttrs.INT_FMT, dataStruct, dStart, buffer)
else:
IPC.Raise("Unhandled format: %s" % ftype)
def transferToBuffer (format, dataStruct, dStart, buffer, parentFormat,
isTopLevelStruct) :
ftype = _IPC.formatType(format)
if (ftype == LengthFMT) :
IPC.Raise("Python version of IPC can only use explicit formats")
elif (ftype == PrimitiveFMT) :
if (isTopLevelStruct) :
object = IPCdata()
object._f0 = dataStruct
dataStruct = object
primFmttrs.Encode(_IPC.formatPrimitiveProc(format), dataStruct, dStart,
buffer)
elif (ftype == PointerFMT) :
object = primFmttrs.getObjectField(dataStruct, dStart)
# 'Z' means data, 0 means NIL
if (object is None) : theChar = '\0'
else : theChar = 'Z'
_IPC.formatPutChar(buffer, theChar);
if (not object is None) :
transferToBuffer(_IPC.formatChoosePtrFormat(format, parentFormat),
dataStruct, dStart, buffer, 0, isTopLevelStruct)
elif (ftype == StructFMT) :
formatArray = _IPC.formatFormatArray(format)
structStart = 0
n = _IPC.formatFormatArrayMax(formatArray)
if (isTopLevelStruct) : struct = dataStruct
else : struct = primFmttrs.getObjectField(dataStruct, dStart)
for i in range(1, n) :
transferToBuffer(_IPC.formatFormatArrayItemPtr(formatArray, i),
struct, structStart, buffer, format, False)
structStart = structStart + 1
elif (ftype == FixedArrayFMT) :
formatArray = _IPC.formatFormatArray(format)
nextFormat = _IPC.formatFormatArrayItemPtr(formatArray, 1)
if (isTopLevelStruct) : arrayObject = dataStruct
else : arrayObject = primFmttrs.getObjectField(dataStruct, dStart)
if (not isinstance(arrayObject, (tuple, list))) :
IPC.Raise(invalidArrayFormat(dataStruct, dStart))
else :
arrayTransferToBuffer(arrayObject, buffer, 2,
_IPC.formatFormatArrayMax(formatArray)-1,
isSimpleType(nextFormat),
formatArray, nextFormat, dataStruct, False);
elif (ftype == VarArrayFMT) :
formatArray = _IPC.formatFormatArray(format)
nextFormat = _IPC.formatFormatArrayItemPtr(formatArray, 1)
if (isTopLevelStruct) : arrayObject = dataStruct
else : arrayObject = primFmttrs.getObjectField(dataStruct, dStart)
# For the size of the array
_IPC.formatPutInt(buffer, varArrayNumElements(formatArray,
dataStruct))
if (not isinstance(arrayObject, (tuple, list))) :
IPC.Raise(invalidArrayFormat(dataStruct, dStart))
else :
arrayTransferToBuffer(arrayObject, buffer, 2,
_IPC.formatFormatArrayMax(formatArray)-1,
isSimpleType(nextFormat),
formatArray, nextFormat, dataStruct, True)
elif (ftype == NamedFMT) :
transferToBuffer(_IPC.findNamedFormat(format), dataStruct, dStart, buffer,
parentFormat, isTopLevelStruct)
elif (ftype == EnumFMT) :
primFmttrs.Encode(primFmttrs.INT_FMT, dataStruct, dStart, buffer);
else :
IPC.Raise("Unhandled format: %s" % ftype)
def EncodeElement(self, array, index, buffer):
_IPC.formatPutChar(buffer, array[index])
def Encode(self, dataStruct, dstart, buffer):
_IPC.formatPutChar(buffer, getCharField(dataStruct, dstart))
def EncodeElement(self, array, index, buffer) : _IPC.formatPutChar(buffer, array[index])
def Encode (self, dataStruct, dstart, buffer) : _IPC.formatPutChar(buffer, getCharField(dataStruct, dstart))