def encode_structs(self, c):
# XXX
structs = [qpid.Struct(c.spec.domains.byname["delivery_properties"].type),
qpid.Struct(c.spec.domains.byname["message_properties"].type)]
# XXX
props = self.properties.copy()
for k in self.properties:
for s in structs:
if s.exists(k):
s.set(k, props.pop(k))
if props:
raise TypeError("no such property: %s" % (", ".join(props)))
# message properties store the content-length now, and weight is
# deprecated
if self.size != None:
structs[1].content_length = self.size
for s in structs:
c.encode_long_struct(s)
def decode_struct_body(self, type):
reserved = 8 * type.pack - len(type.fields)
assert reserved >= 0
s = qpid.Struct(type)
for f in type.fields:
if f.type == "bit":
s.set(f.name, self.decode_bit())
elif self.decode_bit():
s.set(f.name, None)
for i in range(reserved):
if self.decode_bit():
raise ValueError("expecting reserved flag")
for f in type.fields:
if f.type != "bit" and s.has(f.name):
s.set(f.name, self.decode(f.type))
self.clearbits()
return s
def struct(self, name, *args, **kwargs):
type = self.domains.byname[name].type
return qpid.Struct(type, *args, **kwargs)