def _read_array_single_object(ctx):
node, object_id = _read_create_object(ctx, 'ArraySingleObject')
length = util.read_fmt(ctx.handle, '<l')
record_type = _read_record_type(ctx)
elements_node = Node('Elements')
for i in range(length):
elements_node.add_leaf('Element', _read_record(ctx, record_type))
node.add(elements_node)
return node
def _read_array_single_object(ctx):
node, object_id = _read_create_object(ctx, 'ArraySingleObject')
length = util.read_fmt(ctx.handle, '<l')
record_type = _read_record_type(ctx)
elements_node = Node('Elements')
for i in range(length):
elements_node.add_leaf('Element', _read_record(ctx, record_type))
node.add(elements_node)
return node
def _read_serialized_stream_header(ctx):
node = Node('SerializedStreamHeader')
node.add_leaf('RootId', read_primitive(ctx.handle, PrimitiveType.Int32))
node.add_leaf('HeaderId', read_primitive(ctx.handle, PrimitiveType.Int32))
node.add_leaf('MajorVersion',
read_primitive(ctx.handle, PrimitiveType.Int32))
node.add_leaf('MinorVersion',
read_primitive(ctx.handle, PrimitiveType.Int32))
return node
def deserialize(handle):
ctx = Context(handle)
root = Node('Root')
while True:
try:
record_type = _read_record_type(ctx)
except EOFError:
break
child = _read_record(ctx, record_type)
root.add(child)
return root
def deserialize(handle):
ctx = Context(handle)
root = Node('Root')
while True:
try:
record_type = _read_record_type(ctx)
except EOFError:
break
child = _read_record(ctx, record_type)
root.add(child)
return root
def _read_class_members(ctx, object_id):
if not object_id in ctx.objects:
raise CorruptDataError(
'Bad reference to ObjectID {0}'.format(object_id))
members_meta = ctx.objects[object_id].get('MembersMeta')
member_nodes = Node('Members')
for i, member_meta in enumerate(members_meta.children):
member_node = Node('Member')
member_node.add(member_meta.get('Name'))
member_node.add(
_read_from_binary_type(ctx, member_meta.get_leaf('BinaryType'),
member_meta.get_leaf('PrimitiveType',
None)))
member_nodes.add(member_node)
return member_nodes
def _read_binary_library(ctx):
library_node = Node('BinaryLibrary')
library_node.add_leaf('LibraryId',
read_primitive(ctx.handle, PrimitiveType.Int32))
library_node.add_leaf('LibraryName',
read_primitive(ctx.handle, PrimitiveType.String))
record_type = _read_record_type(ctx)
if _is_class(record_type):
library_node.add(_read_record(ctx, record_type))
return library_node
elif _is_array(record_type):
library_node.add(_read_record(ctx, record_type))
return library_node
else:
raise CorruptDataError(
'Binary library followed with neither class or array')
def _read_binary_library(ctx):
library_node = Node('BinaryLibrary')
library_node.add_leaf('LibraryId', read_primitive(ctx.handle, PrimitiveType.Int32))
library_node.add_leaf('LibraryName', read_primitive(ctx.handle, PrimitiveType.String))
record_type = _read_record_type(ctx)
if _is_class(record_type):
library_node.add(_read_record(ctx, record_type))
return library_node
elif _is_array(record_type):
library_node.add(_read_record(ctx, record_type))
return library_node
else:
raise CorruptDataError(
'Binary library followed with neither class or array')
def _read_serialized_stream_header(ctx):
node = Node('SerializedStreamHeader')
node.add_leaf('RootId', read_primitive(ctx.handle, PrimitiveType.Int32))
node.add_leaf('HeaderId', read_primitive(ctx.handle, PrimitiveType.Int32))
node.add_leaf('MajorVersion', read_primitive(ctx.handle, PrimitiveType.Int32))
node.add_leaf('MinorVersion', read_primitive(ctx.handle, PrimitiveType.Int32))
return node
def _read_binary_array(ctx):
node, object_id = _read_create_object(ctx, 'BinaryArray')
array_type = BinaryArrayType(util.read_fmt(ctx.handle, 'B'))
node.add_leaf('BinaryArrayType', array_type)
rank = util.read_fmt(ctx.handle, '<l')
node.add_leaf('Rank', rank)
dimensions_node = Node('Dimensions')
element_count = 0
for i in range(rank):
dimension = util.read_fmt(ctx.handle, '<l')
dimensions_node.add_leaf('Dimension', dimension)
if i == 0:
element_count = dimension
else:
element_count *= dimension
node.add(dimensions_node)
if array_type in (
BinaryArrayType.SingleOffset,
BinaryArrayType.JaggedOffset,
BinaryArrayType.RectangularOffset):
lower_bounds_node = Node('LowerBounds')
for i in range(rank):
lower_bounds_node.add_leaf(
'LowerBound', util.read_fmt(ctx.handle, '<l'))
node.add(lower_bounds_node)
binary_type = _read_binary_type(ctx)
primitive_type = PrimitiveType.Invalid
if binary_type in (BinaryType.Primitive, BinaryType.PrimitiveArray):
primitive_type = _read_primitive_type(ctx)
elif binary_type == BinaryType.SystemClass:
node.add_leaf('ClassName', read_primitive(ctx.handle, PrimitiveType.String))
elif binary_type == BinaryType.Class:
node.add_leaf('ClassName', read_primitive(ctx.handle, PrimitiveType.String))
node.add_leaf('LibraryId', read_primitive(ctx.handle, PrimitiveType.Int32))
elements_node = Node('Elements')
for i in range(element_count):
elements_node.add(_read_from_binary_type(ctx, binary_type, primitive_type))
node.add(elements_node)
return node
def _read_class_members(ctx, object_id):
if not object_id in ctx.objects:
raise CorruptDataError(
'Bad reference to ObjectID {0}'.format(object_id))
members_meta = ctx.objects[object_id].get('MembersMeta')
member_nodes = Node('Members')
for i, member_meta in enumerate(members_meta.children):
member_node = Node('Member')
member_node.add(member_meta.get('Name'))
member_node.add(_read_from_binary_type(
ctx,
member_meta.get_leaf('BinaryType'),
member_meta.get_leaf('PrimitiveType', None)))
member_nodes.add(member_node)
return member_nodes
def _read_method_call(ctx):
node = Node('BinaryMethodCall')
flags = util.read_fmt(ctx.handle, '<L')
node.add_leaf('Flags', flags)
primitive_type = _read_primitive_type(ctx)
node.add_leaf('MethodName', read_primitive(ctx.handle, primitive_type))
primitive_type = _read_primitive_type(ctx)
node.add_leaf('TypeName', read_primitive(ctx.handle, primitive_type))
if (flags & MessageFlags.ContextInline.value) != 0:
primitive_type = _read_primitive_type(ctx)
node.add_leaf('CallContext', read_primitive(ctx.handle, primitive_type))
if (flags & MessageFlags.ArgsInline.value) != 0:
args_node = _read_array_of_value_with_code(ctx)
args_node.name = 'Args'
node.add(args_node)
elif (flags & MessageFlags.NoArgs.value) == 0:
record_type = _read_record_type(ctx)
args_node = _read_record(ctx, record_type)
args_node.name = 'Args'
node.add(args_node)
return node
def _read_create_object(ctx, name):
object_id = read_primitive(ctx.handle, PrimitiveType.Int32)
node = Node(name)
ctx.objects[object_id] = node
node.add_leaf('ObjectId', object_id)
return node, object_id
def _read_method_call(ctx):
node = Node('BinaryMethodCall')
flags = util.read_fmt(ctx.handle, '<L')
node.add_leaf('Flags', flags)
primitive_type = _read_primitive_type(ctx)
node.add_leaf('MethodName', read_primitive(ctx.handle, primitive_type))
primitive_type = _read_primitive_type(ctx)
node.add_leaf('TypeName', read_primitive(ctx.handle, primitive_type))
if (flags & MessageFlags.ContextInline.value) != 0:
primitive_type = _read_primitive_type(ctx)
node.add_leaf('CallContext', read_primitive(ctx.handle,
primitive_type))
if (flags & MessageFlags.ArgsInline.value) != 0:
args_node = _read_array_of_value_with_code(ctx)
args_node.name = 'Args'
node.add(args_node)
elif (flags & MessageFlags.NoArgs.value) == 0:
record_type = _read_record_type(ctx)
args_node = _read_record(ctx, record_type)
args_node.name = 'Args'
node.add(args_node)
return node
def _read_binary_array(ctx):
node, object_id = _read_create_object(ctx, 'BinaryArray')
array_type = BinaryArrayType(util.read_fmt(ctx.handle, 'B'))
node.add_leaf('BinaryArrayType', array_type)
rank = util.read_fmt(ctx.handle, '<l')
node.add_leaf('Rank', rank)
dimensions_node = Node('Dimensions')
element_count = 0
for i in range(rank):
dimension = util.read_fmt(ctx.handle, '<l')
dimensions_node.add_leaf('Dimension', dimension)
if i == 0:
element_count = dimension
else:
element_count *= dimension
node.add(dimensions_node)
if array_type in (BinaryArrayType.SingleOffset,
BinaryArrayType.JaggedOffset,
BinaryArrayType.RectangularOffset):
lower_bounds_node = Node('LowerBounds')
for i in range(rank):
lower_bounds_node.add_leaf('LowerBound',
util.read_fmt(ctx.handle, '<l'))
node.add(lower_bounds_node)
binary_type = _read_binary_type(ctx)
primitive_type = PrimitiveType.Invalid
if binary_type in (BinaryType.Primitive, BinaryType.PrimitiveArray):
primitive_type = _read_primitive_type(ctx)
elif binary_type == BinaryType.SystemClass:
node.add_leaf('ClassName',
read_primitive(ctx.handle, PrimitiveType.String))
elif binary_type == BinaryType.Class:
node.add_leaf('ClassName',
read_primitive(ctx.handle, PrimitiveType.String))
node.add_leaf('LibraryId',
read_primitive(ctx.handle, PrimitiveType.Int32))
elements_node = Node('Elements')
for i in range(element_count):
elements_node.add(
_read_from_binary_type(ctx, binary_type, primitive_type))
node.add(elements_node)
return node
def _read_class_members_meta(ctx, object_id):
count = read_primitive(ctx.handle, PrimitiveType.Int32)
names = [None] * count
binary_types = [None] * count
for i in range(count):
names[i] = read_primitive(ctx.handle, PrimitiveType.String)
for i in range(count):
binary_types[i] = _read_binary_type(ctx)
node = Node('MembersMeta')
for i in range(count):
member_node = Node('MemberMeta')
member_node.add_leaf('Name', names[i])
member_node.add_leaf('BinaryType', binary_types[i])
if binary_types[i] in (BinaryType.Primitive, BinaryType.PrimitiveArray):
member_node.add_leaf('PrimitiveType', _read_primitive_type(ctx))
elif binary_types[i] == BinaryType.SystemClass:
member_node.add_leaf(
'ClassName', read_primitive(ctx.handle, PrimitiveType.String))
elif binary_types[i] == BinaryType.Class:
member_node.add_leaf(
'ClassName', read_primitive(ctx.handle, PrimitiveType.String))
member_node.add_leaf(
'LibraryId', read_primitive(ctx.handle, PrimitiveType.Int32))
node.add(member_node)
return node
def _read_create_object(ctx, name):
object_id = read_primitive(ctx.handle, PrimitiveType.Int32)
node = Node(name)
ctx.objects[object_id] = node
node.add_leaf('ObjectId', object_id)
return node, object_id
def _read_class_members_meta(ctx, object_id):
count = read_primitive(ctx.handle, PrimitiveType.Int32)
names = [None] * count
binary_types = [None] * count
for i in range(count):
names[i] = read_primitive(ctx.handle, PrimitiveType.String)
for i in range(count):
binary_types[i] = _read_binary_type(ctx)
node = Node('MembersMeta')
for i in range(count):
member_node = Node('MemberMeta')
member_node.add_leaf('Name', names[i])
member_node.add_leaf('BinaryType', binary_types[i])
if binary_types[i] in (BinaryType.Primitive,
BinaryType.PrimitiveArray):
member_node.add_leaf('PrimitiveType', _read_primitive_type(ctx))
elif binary_types[i] == BinaryType.SystemClass:
member_node.add_leaf(
'ClassName', read_primitive(ctx.handle, PrimitiveType.String))
elif binary_types[i] == BinaryType.Class:
member_node.add_leaf(
'ClassName', read_primitive(ctx.handle, PrimitiveType.String))
member_node.add_leaf(
'LibraryId', read_primitive(ctx.handle, PrimitiveType.Int32))
node.add(member_node)
return node
