def matchWithMethod(method, text, pattern):
if (method == 'bm'):
return (BM.bmAlgorithm(text, pattern))
elif (method == 'kmp'):
return (KMP.kmpAlgorithm(text, pattern))
else:
return (regexp.regex(text, pattern))
def encrypt_ui(shift, change):
print("What is the message that you want to encode?")
message = input()
buffer = ""
for i in message:
if regEx.regex("!@#$%^&*()<>,.?/';:\"\| []\{\}`~1234567890+-_=",
i) == True:
shift += change
if shift > 25:
shift -= 26
buffer += en.char_encode(i, shift)
print(buffer)
def decrypt_ui(shift, change):
print("What is the message thet you want to decrypt")
message = input()
buffer = ""
for i in message:
if regEx.regex("!@#$%^&*()<>,.?/';:\"\| []\{\}`~1234567890+-_=",
i) == True:
shift += change
if shift > 25:
shift -= 26
buffer += dec.decryption(shift, i)
print(buffer)
def decryption(shift, letter_char):
char_ref = [
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n",
"o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"
]
upper = False
if regEX.regex("!@#$%^&*()<>,.?/';:\"\| []\{\}`~1234567890+-_=",
letter_char) == True:
if letter_char.isupper() == True:
upper = True
shift_num = char_ref.index(letter_char.lower()) - shift
if shift_num < 0:
shift_num += 26
if upper == True:
return char_ref[shift_num].upper()
else:
return char_ref[shift_num]
else:
return letter_char
def char_encode(char, shift):
char_ref = [
"a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n",
"o", "p", "q", "r", "s", "t", "u", "v", "w", "x", "y", "z"
]
upper = False
# Check to eliminate all non alphabetic charicters and pass them imdediatly back
if regEx.regex("!@#$%^&*()<>,.?/';:\"\| []\{\}`~1234567890+-_=",
char) == True:
# Check if it is upper case
if char.isupper() == True:
upper = True
# Get the location of the letter in the array
letter_shifted_num = char_ref.index(char.lower()) + shift
if letter_shifted_num > 25:
letter_shifted_num = letter_shifted_num - 26
con_char = char_ref[letter_shifted_num]
# Pass back if the item is upper case or not
if upper == True:
return con_char.upper()
else:
return con_char
else:
return char