Python/strings/string_switch_case.py
2023-05-11 06:53:47 +12:00

109 lines
2.8 KiB
Python

import re
"""
general info:
https://en.wikipedia.org/wiki/Naming_convention_(programming)#Python_and_Ruby
pascal case [ an upper Camel Case ]: https://en.wikipedia.org/wiki/Camel_case
camel case: https://en.wikipedia.org/wiki/Camel_case
kebab case [ can be found in general info ]:
https://en.wikipedia.org/wiki/Naming_convention_(programming)#Python_and_Ruby
snake case: https://en.wikipedia.org/wiki/Snake_case
"""
# assistant functions
def split_input(str_: str) -> list:
"""
>>> split_input("one two 31235three4four")
[['one', 'two', '31235three4four']]
"""
return [char.split() for char in re.split(r"[^ a-z A-Z 0-9 \s]", str_)]
def to_simple_case(str_: str) -> str:
"""
>>> to_simple_case("one two 31235three4four")
'OneTwo31235three4four'
"""
string_split = split_input(str_)
return "".join(
["".join([char.capitalize() for char in sub_str]) for sub_str in string_split]
)
def to_complex_case(text: str, upper: bool, separator: str) -> str:
"""
>>> to_complex_case("one two 31235three4four", True, "_")
'ONE_TWO_31235THREE4FOUR'
>>> to_complex_case("one two 31235three4four", False, "-")
'one-two-31235three4four'
"""
try:
string_split = split_input(text)
if upper:
res_str = "".join(
[
separator.join([char.upper() for char in sub_str])
for sub_str in string_split
]
)
else:
res_str = "".join(
[
separator.join([char.lower() for char in sub_str])
for sub_str in string_split
]
)
return res_str
except IndexError:
return "not valid string"
# main content
def to_pascal_case(text: str) -> str:
"""
>>> to_pascal_case("one two 31235three4four")
'OneTwo31235three4four'
"""
return to_simple_case(text)
def to_camel_case(text: str) -> str:
"""
>>> to_camel_case("one two 31235three4four")
'oneTwo31235three4four'
"""
try:
res_str = to_simple_case(text)
return res_str[0].lower() + res_str[1:]
except IndexError:
return "not valid string"
def to_snake_case(text: str, upper: bool) -> str:
"""
>>> to_snake_case("one two 31235three4four", True)
'ONE_TWO_31235THREE4FOUR'
>>> to_snake_case("one two 31235three4four", False)
'one_two_31235three4four'
"""
return to_complex_case(text, upper, "_")
def to_kebab_case(text: str, upper: bool) -> str:
"""
>>> to_kebab_case("one two 31235three4four", True)
'ONE-TWO-31235THREE4FOUR'
>>> to_kebab_case("one two 31235three4four", False)
'one-two-31235three4four'
"""
return to_complex_case(text, upper, "-")
if __name__ == "__main__":
__import__("doctest").testmod()