codon/stdlib/internal/sort.codon

60 lines
1.6 KiB
Python

# (c) 2022 Exaloop Inc. All rights reserved.
from algorithms.pdqsort import pdq_sort_inplace
from algorithms.insertionsort import insertion_sort_inplace
from algorithms.heapsort import heap_sort_inplace
from algorithms.qsort import qsort_inplace
from algorithms.timsort import tim_sort_inplace
def sorted(
v: Generator[T],
key=Optional[int](),
algorithm: Optional[str] = None,
reverse: bool = False,
T: type,
) -> List[T]:
"""
Return a sorted list of the elements in v
"""
newlist = [a for a in v]
if not isinstance(key, Optional):
newlist.sort(key, algorithm, reverse)
else:
newlist.sort(algorithm=algorithm, reverse=reverse)
return newlist
def _sort_list(
self: List[T], key: Callable[[T], S], algorithm: str, T: type, S: type
):
if algorithm == "tim":
tim_sort_inplace(self, key)
elif algorithm == "pdq":
pdq_sort_inplace(self, key)
elif algorithm == "insertion":
insertion_sort_inplace(self, key)
elif algorithm == "heap":
heap_sort_inplace(self, key)
elif algorithm == "quick":
qsort_inplace(self, key)
else:
raise ValueError(f"Algorithm '{algorithm}' does not exist")
@extend
class List:
def sort(
self,
key=Optional[int](),
algorithm: Optional[str] = None,
reverse: bool = False,
):
algorithm: str = algorithm if algorithm else "tim"
if isinstance(key, Optional):
_sort_list(self, lambda x: x, algorithm)
else:
_sort_list(self, key, algorithm)
if reverse:
self.reverse()