def kw_num(self):
nums = []
for file in os.listdir(self.filepath):
filename = os.path.join(self.filepath, file)
kws = FileUtil.readupkws(filename)
nums.append(len(kws))
return nums
def key2loc(self, keywords, filename='.'):
col_bits = self.col_bits
n = pow(2, col_bits)
_url = FileUtil.readurl(filename)
text_kws = FileUtil.readupkws(filename)
row, col, p = self.location(keywords=keywords, text_list=text_kws) # 得到每个关键词的坐标(x,y)
row_bits = len(self._dec2bin(len(text_kws) // n)) # 总行数的二进制表示所需的比特数
s = ''
print('location information: ')
for r, c in zip(row, col):
loc = self._dec2bin(num=r, bits=row_bits) + \
self._dec2bin(num=c, bits=col_bits)
print(loc)
s = s + loc
num_add_col_bits = self._dec2bin(col_bits, 5) # col_bits作为密钥，5位补全二进制流
_res = ''
if len(s) % 8 == 0:
_res = '000' + num_add_col_bits + s
else:
num = 8 - len(s) % 8 # 补0的个数
num_add = self._dec2bin(num, 3)
_res = num_add + num_add_col_bits + s + '0' * num
return _url, _res, p