def __getitem__(self, item): while item >= len(self.cache): s = self.source[0] if s == '\x00': length = unsigned_int(self.source[1:5]) b = ":" + self.source[5:5 + length] self.source = self.source[5 + length:] elif s == '\x01': length = unsigned_int(self.source[1:5]) #<-- length? b = '"' + quote(self.source[5:5 + length]) + '"' self.source = self.source[5 + length:] if s == '\x80': length = ord(self.source[1]) b = ":" + self.source[2:2 + length] self.source = self.source[2 + length:] elif s == '\x81': length = ord(self.source[1]) #<-- length? b = '"' + quote(self.source[2:2 + length]) + '"' self.source = self.source[2 + length:] elif s == '\x02': b = d_double(self.source[1:9]) self.source = self.source[9:] elif s == '\x82': b = d_signed_int(self.source[1:4]) self.source = self.source[4:] elif s == '\x07': n = signed_long_int(self.source[1:9]) d = signed_long_int(self.source[9:17]) b = str(n) + '/' + str(d) self.source = self.source[17:] elif s == '\x87': n = signed_char(self.source[1]) d = ord(self.source[2]) b = str(n) + '/' + str(d) self.source = self.source[3:] self.cache.append(b) return self.cache[item]
def get_literals(code):
i = 0
while i < len(code):
s = code[i]
if s == '\x00':
length = unsigned_int(code[i+1:i+5])
yield "i" + code[i+5:i+5 + length]
i += 5 + length
elif s == '\x01':
length = unsigned_int(code[i+1:i+5])
yield "s" + quote(code[i+5:i+5 + length])
i += 5 + length
elif s == '\x80':
length = ord(code[i+1])
yield "i" + code[i+2:i+2 + length]
i += 1 + length
elif s == '\x81':
length = ord(code[i+1])
yield "s" + quote(code[i+2:i+2 + length])
i += 1 + length
elif s == '\x02':
yield 'n' + d_double(code[i+1:i+9])
i += 9
elif s == '\x82':
yield 'n' + d_signed_int(code[i+1:i+4])
i += 4
elif s == '\x07':
n = signed_long_int(code[i+1:i+9])
d = signed_long_int(code[i+9:i+17])
yield 'f' + str(n) + '/' + str(d)
i += 17
elif s == '\x87':
n = signed_char(code[i+1])
d = ord(code[i+2])
yield 'f' + str(n) + '/' + str(d)
i += 3
i += 1
