Python/strings/string_switch_case.py
Suyash Dongre 12e401650c
Added doctest to string_switch_case.py (#11136)
* Added doctest to string_switch_case.py

* Update string_switch_case.py
2023-11-06 18:18:41 +06:00

123 lines
3.4 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'
>>> to_simple_case("This should be combined")
'ThisShouldBeCombined'
>>> to_simple_case("The first letters are capitalized, then string is merged")
'TheFirstLettersAreCapitalizedThenStringIsMerged'
>>> to_simple_case("special characters :, ', %, ^, $, are ignored")
'SpecialCharactersAreIgnored'
"""
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:
"""
Returns the string concatenated with the delimiter we provide.
Parameters:
@text: The string on which we want to perform operation
@upper: Boolean value to determine whether we want capitalized result or not
@separator: The delimiter with which we want to concatenate words
Examples:
>>> 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()