def mk_definition(defn):
"""Instantiates a struct or SBP message specification from a parsed
"AST" of a struct or message.
Parameters
----------
defn : dict
Returns
----------
A Definition or a specialization of a definition, like a Struct
"""
assert len(defn) == 1
identifier, contents = next(iter(defn.items()))
fs = [mk_field(f) for f in contents.get('fields', [])]
return sbp.resolve_type(
sbp.Definition(
identifier=identifier,
sbp_id=contents.get('id', None),
short_desc=contents.get('short_desc', None),
desc=contents.get('desc', None),
type_id=contents.get('type'),
fields=fs,
public=contents.get('public', True),
embedded_type=contents.get('embedded_type', False),
))
def mk_field(field):
"""Instantiates a field specification from a parsed "AST" of a
field.
Parameters
----------
field : dict
Returns
----------
A Field or a specialization of a field, like a bitfield.
"""
assert len(field) == 1
identifier, contents = field.items()[0]
contents = dict({'units': '', 'n_with_values': 0}.items() + contents.items())
return sbp.resolve_type(sbp.Field(identifier=identifier,
type_id=contents.pop('type'),
options=contents))
def mk_field(field):
"""Instantiates a field specification from a parsed "AST" of a
field.
Parameters
----------
field : dict
Returns
----------
A Field or a specialization of a field, like a bitfield.
"""
assert len(field) == 1
identifier, contents = field.items()[0]
contents = dict({'units': '', 'n_with_values': 0}.items() + contents.items())
return sbp.resolve_type(sbp.Field(identifier=identifier,
type_id=contents.pop('type'),
options=contents))
def mk_definition(defn):
"""Instantiates a struct or SBP message specification from a parsed
"AST" of a struct or message.
Parameters
----------
defn : dict
Returns
----------
A Definition or a specialization of a definition, like a Struct
"""
assert len(defn) == 1
identifier, contents = defn.items()[0]
fs = [mk_field(f) for f in contents.get('fields', [])]
return sbp.resolve_type(sbp.Definition(identifier=identifier,
sbp_id=contents.get('id', None),
short_desc=contents.get('short_desc', None),
desc=contents.get('desc', None),
type_id=contents.get('type'),
fields=fs,
public=contents.get('public', True)))
