def parse_compressed_list(self, stream, identifier, blocksizes): rawsize = dword2py_int(stream.read(4)) list_identifier = stream.read(4) print list_identifier size = blocksizes[rawsize] size_field = py_int2dword(size) if size & 1:size += 1 offset = stream.tell() obj = model.RiffList(identifier + size_field + list_identifier) while stream.tell() <= offset + size - 8: ret = self.parse_comressed_stream(stream, blocksizes) if ret is None: stream.seek(offset) chunk = stream.read(size - 4) return model.RiffUnparsedList(identifier + size_field + \ list_identifier + chunk) else: obj.childs.append(ret) return obj
def parse_compressed_list(self, stream, identifier, blocksizes):
rawsize = dword2py_int(stream.read(4))
list_identifier = stream.read(4)
print list_identifier
size = blocksizes[rawsize]
size_field = py_int2dword(size)
if size & 1: size += 1
offset = stream.tell()
obj = model.RiffList(identifier + size_field + list_identifier)
while stream.tell() <= offset + size - 8:
ret = self.parse_comressed_stream(stream, blocksizes)
if ret is None:
stream.seek(offset)
chunk = stream.read(size - 4)
return model.RiffUnparsedList(identifier + size_field + \
list_identifier + chunk)
else:
obj.childs.append(ret)
return obj
def parse_compressed_object(self, stream, identifier, blocksizes):
if not identifier[:3].isalnum():
return None
rawsize = dword2py_int(stream.read(4))
size = blocksizes[rawsize]
size_field = py_int2dword(size)
if size & 1: size += 1
chunk = stream.read(size)
return model.RiffObject(identifier + size_field + chunk)
def parse_compressed_object(self, stream, identifier, blocksizes): if not identifier[:3].isalnum(): return None rawsize = dword2py_int(stream.read(4)) size = blocksizes[rawsize] size_field = py_int2dword(size) if size & 1:size += 1 chunk = stream.read(size) return model.RiffObject(identifier + size_field + chunk)
def parse_compressed_object(self, stream, identifier, blocksizes):
if not identifier[:3].isalnum():
return None
rawsize = dword2py_int(stream.read(4))
size = blocksizes[rawsize]
size_field = py_int2dword(size)
if size & 1: size += 1
chunk = stream.read(size)
self.report_stream_position(stream.tell())
class_ = self.get_class(identifier)
return class_(identifier + size_field + chunk)
def parse_compressed_object(self, stream, identifier, blocksizes): if not identifier[:3].isalnum(): return None rawsize = dword2py_int(stream.read(4)) size = blocksizes[rawsize] size_field = py_int2dword(size) if size & 1:size += 1 chunk = stream.read(size) self.report_stream_position(stream.tell()) class_ = self.get_class(identifier) return class_(identifier + size_field + chunk)
def __init__(self, chunk=''):
if not chunk:
chunk = 'RIFF' + py_int2dword(4) + 'riff'
RiffList.__init__(self, chunk)
self.version = self.chunk_tag
def __init__(self, chunk=''): if not chunk: chunk = 'RIFF' + py_int2dword(4) + 'riff' RiffList.__init__(self, chunk) self.version = self.chunk_tag