def update(self):
size = self.get_childs_size()
sz = utils.py_int2dword(size, self.config.rifx)
self.update_cpng()
compr_sz = len(self.data['cpng'])
compr_sz += 1 if compr_sz > (compr_sz // 2) * 2 else 0
compr_sz = utils.py_int2dword(compr_sz + 12, self.config.rifx)
self.chunk = self.data['identifier'] + compr_sz + sz + self.chunk[12:20]
self.chunk += self.data['cpng']
self.chunk += '\x00' if self.is_padding() else ''
def update_for_save(self):
for child in self.childs:
child.update_for_save()
self.chunk = ''
self.chunk += cpl_const.CPL12
self.chunk += cpl_const.CPL12_NHEADERS
size = len(self.name) * 2
pos = [30, 31 + size, 31 + size + 2]
for i in range(3):
self.chunk += utils.py_int2dword(i) + utils.py_int2dword(pos[i])
self.chunk += utils.py_int2byte(len(self.name))
self.chunk += self.name.encode('utf_16_le')
self.chunk += cpl_const.CPL12_PALTYPE
self.chunk += utils.py_int2word(len(self.childs))
def update_for_save(self):
for child in self.childs:
child.update_for_save()
self.chunk = ''
self.chunk += cpl_const.CPL12
self.chunk += cpl_const.CPL12_NHEADERS
size = len(self.name) * 2
pos = [30, 31 + size, 31 + size + 2]
for i in range(3):
self.chunk += utils.py_int2dword(i) + utils.py_int2dword(pos[i])
self.chunk += utils.py_int2byte(len(self.name))
self.chunk += self.name.encode('utf_16_le')
self.chunk += cpl_const.CPL12_PALTYPE
self.chunk += utils.py_int2word(len(self.childs))
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 update(self):
rifx = self.config.rifx
pos = self.get_offset()
jump = self.data['jump'] = len(self.chunk) + pos
data = self.chunk[8:]
self.chunk = '\x08\x00\x6f\x00'
self.chunk += utils.py_int2dword(jump, rifx) + data
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 update(self):
rifx = self.config.rifx
self.chunk = self.data['identifier'] + 4 * '\x00'
sz = len(self.data['records'])
self.chunk += '\x01\x00\x18\x00'
self.chunk += utils.py_int2word(sz, rifx)
for rec_id, offset in self.data['records']:
self.chunk += utils.py_int2word(rec_id, rifx)
self.chunk += utils.py_int2dword(offset, rifx)
CmxRiffElement.update(self)
def update(self):
rifx = self.config.rifx
self.chunk = self.data['identifier'] + 4 * '\x00'
sz = len(self.data['layers'])
self.chunk += utils.py_int2word(sz, rifx)
self.chunk += utils.py_int2word(self.data['page'], rifx)
for offset, name in self.data['layers']:
self.chunk += utils.py_int2dword(offset, rifx)
self.chunk += utils.py_int2word(len(name), rifx)
self.chunk += name + 4 * '\xff'
CmxRiffElement.update(self)
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 update(self):
rifx = self.config.rifx
self.chunk = self.data['identifier'] + 4 * '\x00'
padding_sz = 32 - len(self.data['file_id'])
self.chunk += self.data['file_id'] + padding_sz * '\x00'
padding_sz = 16 - len(self.data['os_type'])
self.chunk += self.data['os_type'] + padding_sz * '\x00'
self.chunk += self.data['byte_order']
self.chunk += self.data['coord_size']
self.chunk += self.data['major']
self.chunk += self.data['minor']
self.chunk += self.data['unit']
self.chunk += self.data['factor']
self.chunk += 12 * '\x00'
self.chunk += utils.py_int2dword(self.data['IndexSection'], rifx)
self.chunk += utils.py_int2dword(self.data['InfoSection'], rifx)
self.chunk += utils.py_int2dword(self.data['Thumbnail'], rifx)
sig = '>iiii' if rifx else '<iiii'
self.chunk += struct.pack(sig, *self.data['bbox'])
self.chunk += utils.py_int2dword(self.data['tally'], rifx)
self.chunk += 64 * '\x00'
CmxRiffElement.update(self)
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
def update(self):
size = self.get_chunk_size() - 8
sz = utils.py_int2dword(size, self.config.rifx)
self.chunk = self.data['identifier'] + sz + self.chunk[8:]
if self.is_leaf() and self.is_padding():
self.chunk += '\x00'
