# The MIT License (MIT)
#
-# Copyright (c) 2016 Philippe Proulx <pproulx@efficios.com>
+# Copyright (c) 2017 Philippe Proulx <pproulx@efficios.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
else:
ret, value = native_bt.ctf_field_unsigned_integer_get_value(self._ptr)
- utils._handle_ret(ret, "cannot get integer field object's value")
+ if ret < 0:
+ # field is not set
+ return
+
return value
@value.setter
@property
def value(self):
ret, value = native_bt.ctf_field_floating_point_get_value(self._ptr)
- utils._handle_ret(ret, "cannot get floating point number field object's value")
+
+ if ret < 0:
+ # field is not set
+ return
+
return value
@value.setter
@property
def integer_field(self):
int_field_ptr = native_bt.ctf_field_enumeration_get_container(self._ptr)
- utils._handle_ptr(int_field_ptr,
- "cannot get enumeration field object's underlying integer field")
+ assert(int_field_ptr)
return _create_from_ptr(int_field_ptr)
@property
@property
def mappings(self):
- iter_ptr = bt_ctf_field_enumeration_get_mappings(self._ptr)
- return self.field_type._get_mapping_iter(iter_ptr)
+ iter_ptr = native_bt.ctf_field_enumeration_get_mappings(self._ptr)
+ assert(iter_ptr)
+ return bt2.field_types._EnumerationFieldTypeMappingIterator(iter_ptr,
+ self.field_type.is_signed)
@functools.total_ordering
@property
def value(self):
value = native_bt.ctf_field_string_get_value(self._ptr)
- utils._handle_ptr(value, "cannot get string field object's value")
+
+ if value is None:
+ # field is not set
+ return
+
return value
@value.setter
def __len__(self):
count = self._count()
- utils._handle_ret(count, "cannot get {} field object's field count".format(self._NAME.lower()))
+ assert(count >= 0)
return count
def __delitem__(self, index):
def __getitem__(self, key):
utils._check_str(key)
- ptr = native_bt.ctf_field_structure_get_field(self._ptr, key)
+ ptr = native_bt.ctf_field_structure_get_field_by_name(self._ptr, key)
if ptr is None:
raise KeyError(key)
def at_index(self, index):
utils._check_uint64(index)
+
+ if index >= len(self):
+ raise IndexError
+
field_ptr = native_bt.ctf_field_structure_get_field_by_index(self._ptr, index)
- utils._handle_ptr(field_ptr, "cannot get structure field object's field")
+ assert(field_ptr)
return _create_from_ptr(field_ptr)
def __iter__(self):
@property
def tag_field(self):
field_ptr = native_bt.ctf_field_variant_get_tag(self._ptr)
- utils._handle_ptr(field_ptr, "cannot get variant field object's tag field")
+
+ if field_ptr is None:
+ return
+
return _create_from_ptr(field_ptr)
@property
def field(self, tag_field=None):
if tag_field is None:
field_ptr = native_bt.ctf_field_variant_get_current_field(self._ptr)
- utils._handle_ptr(field_ptr, "cannot get variant field object's selected field")
+
+ if field_ptr is None:
+ return
else:
utils._check_type(tag_field, _EnumerationField)
field_ptr = native_bt.ctf_field_variant_get_field(self._ptr, tag_field._ptr)
return _create_from_ptr(field_ptr)
def __eq__(self, other):
- return self.field == other
+ if type(other) is not type(self):
+ return False
+
+ if self.addr == other.addr:
+ return True
+
+ return self.selected_field == other.selected_field
+
+ def __bool__(self):
+ return bool(self.selected_field)
class _ArraySequenceField(_ContainerField, collections.abc.MutableSequence):
raise IndexError('{} field object index is out of range'.format(self._NAME))
field_ptr = self._get_field_ptr_at_index(index)
- utils._handle_ptr(field_ptr, "cannot get {} field object's field".format(self._NAME))
+ assert(field_ptr)
return _create_from_ptr(field_ptr)
def __setitem__(self, index, value):
_TYPE_ID_TO_OBJ = {
- native_bt.CTF_TYPE_ID_INTEGER: _IntegerField,
- native_bt.CTF_TYPE_ID_FLOAT: _FloatingPointNumberField,
- native_bt.CTF_TYPE_ID_ENUM: _EnumerationField,
- native_bt.CTF_TYPE_ID_STRING: _StringField,
- native_bt.CTF_TYPE_ID_STRUCT: _StructureField,
- native_bt.CTF_TYPE_ID_ARRAY: _ArrayField,
- native_bt.CTF_TYPE_ID_SEQUENCE: _SequenceField,
- native_bt.CTF_TYPE_ID_VARIANT: _VariantField,
- native_bt.CTF_TYPE_ID_UNTAGGED_VARIANT: _VariantField,
+ native_bt.CTF_FIELD_TYPE_ID_INTEGER: _IntegerField,
+ native_bt.CTF_FIELD_TYPE_ID_FLOAT: _FloatingPointNumberField,
+ native_bt.CTF_FIELD_TYPE_ID_ENUM: _EnumerationField,
+ native_bt.CTF_FIELD_TYPE_ID_STRING: _StringField,
+ native_bt.CTF_FIELD_TYPE_ID_STRUCT: _StructureField,
+ native_bt.CTF_FIELD_TYPE_ID_ARRAY: _ArrayField,
+ native_bt.CTF_FIELD_TYPE_ID_SEQUENCE: _SequenceField,
+ native_bt.CTF_FIELD_TYPE_ID_VARIANT: _VariantField,
}