def _maketag(d, encode_option):
tag = '\x3f\x03'
tag += _h32(_calctaglen(d, encode_option))
for k in d:
value = unicode(d[k]).encode(encode_option, 'ignore')
tag += '\x96' + _h16(len(k)+2) + '\x00' + k + '\x00'
tag += '\x96' + _h16(len(value)+2) + '\x00' + value + '\x00'
tag += '\x1d'
tag += '\x00'
return tag
def set_framecount(self, num):
"Framecount を置き換える"
self.value = \
self.value[:self.framecount_offset] + \
_h16(num) + \
self.value[(self.framecount_offset + 2):]
self.framecount = num
def set_character_id(self, num):
"CharacterId を置き換える"
assert isinstance(num, int)
self.value = \
self.value[:self.character_id_offset] + _h16(num) + \
self.value[(self.character_id_offset + 2):]
self.character_id = num
def set_target_character_id(self, num):
assert isinstance(num, int)
assert hasattr(self, 'target_character_id_offset')
self.value = \
self.value[:self.target_character_id_offset] + _h16(num) + \
self.value[(self.target_character_id_offset + 2):]
self.target_character_id = num
def set_length(self, num):
"""
タグ（block）の length を変える. length の長さによって形式が変わる
See swf_file_format_spec_v10.pdf (p.27)
"""
old_tag_code_and_length = le2byte(self.value[:2])
length = old_tag_code_and_length & 0x3f
if length != 63:
"""
short. TagCodeAndLength は 2 byte のみ
"""
tag_code_and_length = (self.tag << 6) + num
self.value = _h16(tag_code_and_length) + self.value[2:]
else:
"""
large. TagCodeAndLength は 2 byte + 4 byte
後ろの 4 byte の length を変えれば良い
"""
self.value = self.value[:(self.content_offset - 4)] + _h32(num) + \
self.value[self.content_offset:]
self.length = num
def set_depth(self, num):
assert isinstance(num, int)
self.value = \
self.value[:self.depth_offset] + _h16(num) + \
self.value[(self.depth_offset + 2):]
self.depth = num
