def printStructure(structure, indentation=""):
"""
Print a structure.
Parameters:
structure: a pyuaf.util.GenericStructureValue instance. May represent a structure
or union or optionset.
indentation: a string to print at the beginning of each line (to add indentation when
this function is called recursively).
"""
# get the definition of the structure:
definition = structure.definition()
# we'll print the contents of the structure
print(indentation + "Structure contents:")
# loop through the fields of the structure, by looking at the definition:
for i in xrange(definition.childrenCount()):
# retrieve information both from the definition and from the structure itself:
child = definition.child(i)
childName = child.name() # a string
childType = child.valueType() # datatype, e.g. Double
fieldType, opcUaStatusCode = structure.valueType(
i) # e.g. Variant, GenericStructure, GenericStructureArray...
if not SdkStatus(opcUaStatusCode).isGood():
raise Exception("Oops, we could not get the valueType due to: %s" %
SdkStatus(opcUaStatusCode))
print(indentation + " * child number %d:" % i)
print(indentation + " - child name = %s" % childName)
print(indentation + " - child type = %d (%s)" %
(childType, opcuatypes.toString(childType)))
print(indentation + " - field type = %s (%s)" %
(fieldType, structurefielddatatypes.toString(fieldType)))
if fieldType == structurefielddatatypes.Variant:
value, opcUaStatusCode = structure.value(i)
print(indentation + " - value = %s" % value)
elif fieldType == structurefielddatatypes.GenericStructure:
print(indentation + " - value:")
# recursive call
printStructure(structureValue.genericStructureValue(i),
indentation + " ")
elif fieldType == structurefielddatatypes.GenericStructureArray:
array, opcUaStatusCode = structureValue.genericStructureArray(i)
if not SdkStatus(opcUaStatusCode).isGood():
raise Exception(
"Oops, we could not get the structure due to: %s" %
SdkStatus(opcUaStatusCode))
print(indentation + " - value:")
# recursive calls to all array items:
for j in xrange(len(array)):
print(indentation + " array[%d]:" % j)
printStructure(array[j], indentation + " ")
print("") # empty line
def printStructure(structure, indentation=""):
"""
Print a structure.
Parameters:
structure: a pyuaf.util.GenericStructureValue instance. May represent a structure
or union or optionset.
indentation: a string to print at the beginning of each line (to add indentation when
this function is called recursively).
"""
# get the definition of the structure:
definition = structure.definition()
# we'll print the contents of the structure
print(indentation + "Structure contents:")
# loop through the fields of the structure, by looking at the definition:
for i in range(definition.childrenCount()):
# retrieve information both from the definition and from the structure itself:
child = definition.child(i)
childName = child.name() # a string
childType = child.valueType() # datatype, e.g. Double
fieldType, opcUaStatusCode = structure.valueType(i) # e.g. Variant, GenericStructure, GenericStructureArray...
if not SdkStatus(opcUaStatusCode).isGood():
raise Exception("Oops, we could not get the valueType due to: %s" %SdkStatus(opcUaStatusCode))
print(indentation + " * child number %d:" %i)
print(indentation + " - child name = %s" %childName)
print(indentation + " - child type = %d (%s)" %(childType, opcuatypes.toString(childType)))
print(indentation + " - field type = %s (%s)" %(fieldType, structurefielddatatypes.toString(fieldType)))
if fieldType == structurefielddatatypes.Variant:
value, opcUaStatusCode = structure.value(i)
print(indentation + " - value = %s" %value)
elif fieldType == structurefielddatatypes.GenericStructure:
print(indentation + " - value:")
# recursive call
printStructure(structureValue.genericStructureValue(i), indentation + " ")
elif fieldType == structurefielddatatypes.GenericStructureArray:
array, opcUaStatusCode = structureValue.genericStructureArray(i)
if not SdkStatus(opcUaStatusCode).isGood():
raise Exception("Oops, we could not get the structure due to: %s" %SdkStatus(opcUaStatusCode))
print(indentation + " - value:")
# recursive calls to all array items:
for j in range(len(array)):
print(indentation + " array[%d]:" %j)
printStructure(array[j], indentation + " ")
print("") # empty line
def printUnion(union, indentation=""):
"""
Print a structure.
Parameters:
union: a pyuaf.util.GenericUnionValue instance.
indentation: a string to print at the beginning of each line (to add indentation when
this function is called recursively).
"""
# get the definition of the structure:
definition = union.definition()
# we'll print the contents of the structure
print(indentation + "Union contents:")
if not definition.isUnion():
raise Exception("The given union is no union!")
# let's show the possible values by looking at the definition:
for i in xrange(definition.childrenCount()):
# retrieve information both from the definition and from the structure itself:
child = definition.child(i)
childName = child.name() # a string
childType = child.valueType() # datatype, e.g. Double
print(indentation + " * child number %d:" % i)
print(indentation + " - child name = %s" % childName)
print(indentation + " - child type = %d (%s)" %
(childType, opcuatypes.toString(childType)))
# show the active value (the "switchValue")
switchValue = union.switchValue()
field = union.field()
print(indentation + "Switch value: %d" % switchValue)
print(indentation + "Field name: %s" % union.field().name())
print(indentation + "Value: %s" % union.value())
print("") # empty line
def printUnion(union, indentation=""):
"""
Print a structure.
Parameters:
union: a pyuaf.util.GenericUnionValue instance.
indentation: a string to print at the beginning of each line (to add indentation when
this function is called recursively).
"""
# get the definition of the structure:
definition = union.definition()
# we'll print the contents of the structure
print(indentation + "Union contents:")
if not definition.isUnion():
raise Exception("The given union is no union!")
# let's show the possible values by looking at the definition:
for i in range(definition.childrenCount()):
# retrieve information both from the definition and from the structure itself:
child = definition.child(i)
childName = child.name() # a string
childType = child.valueType() # datatype, e.g. Double
print(indentation + " * child number %d:" %i)
print(indentation + " - child name = %s" %childName)
print(indentation + " - child type = %d (%s)" %(childType, opcuatypes.toString(childType)))
# show the active value (the "switchValue")
switchValue = union.switchValue()
field = union.field()
print(indentation + "Switch value: %d" %switchValue)
print(indentation + "Field name: %s" %union.field().name())
print(indentation + "Value: %s" %union.value())
print("") # empty line