| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(string), | intent(in) | :: | self | The string. |
||
| type(string), | intent(out), | allocatable | :: | tokens(:) | Tokens substring. |
|
| character(kind=CK,len=*), | intent(in), | optional | :: | sep | Separator. |
Return a list of substring in the string, using sep as the delimiter string.
| Type | Visibility | Attributes | Name | Initial | |||
|---|---|---|---|---|---|---|---|
| character(kind=CK,len=:), | public, | allocatable | :: | sep_ | Separator, default value. |
||
| integer, | public | :: | No | Number of occurrences of sep. |
|||
| integer, | public | :: | t | Character counter. |
|||
| type(string), | public | :: | temporary | Temporary storage. |
|||
| type(string), | public, | allocatable | :: | temp_toks(:,:) | Temporary tokens substring. |
pure subroutine split(self, tokens, sep)
!---------------------------------------------------------------------------------------------------------------------------------
!< Return a list of substring in the string, using sep as the delimiter string.
!<
!< @note Multiple subsequent separators are collapsed to one occurence.
!---------------------------------------------------------------------------------------------------------------------------------
class(string), intent(in) :: self !< The string.
character(kind=CK, len=*), intent(in), optional :: sep !< Separator.
type(string), allocatable, intent(out) :: tokens(:) !< Tokens substring.
character(kind=CK, len=:), allocatable :: sep_ !< Separator, default value.
integer :: No !< Number of occurrences of sep.
integer :: t !< Character counter.
type(string) :: temporary !< Temporary storage.
type(string), allocatable :: temp_toks(:,:) !< Temporary tokens substring.
!---------------------------------------------------------------------------------------------------------------------------------
!---------------------------------------------------------------------------------------------------------------------------------
if (allocated(self%raw)) then
sep_ = SPACE ; if (present(sep)) sep_ = sep
temporary = self%unique(sep_)
No = temporary%count(sep_)
allocate(temp_toks(3, No))
temp_toks(:, 1) = temporary%partition(sep_)
if (No>1) then
do t=2, No
temp_toks(:, t) = temp_toks(3, t-1)%partition(sep_)
enddo
endif
if (temp_toks(1, 1)%raw/=''.and.temp_toks(3, No)%raw/='') then
allocate(tokens(No+1))
do t=1, No
if (t==No) then
tokens(t ) = temp_toks(1, t)
tokens(t+1) = temp_toks(3, t)
else
tokens(t) = temp_toks(1, t)
endif
enddo
elseif (temp_toks(1, 1)%raw/='') then
allocate(tokens(No))
do t=1, No
tokens(t) = temp_toks(1, t)
enddo
elseif (temp_toks(3, No)%raw/='') then
allocate(tokens(No))
do t=2, No
if (t==No) then
tokens(t-1) = temp_toks(1, t)
tokens(t ) = temp_toks(3, t)
else
tokens(t-1) = temp_toks(1, t)
endif
enddo
else
allocate(tokens(No-1))
do t=2, No
tokens(t-1) = temp_toks(1, t)
enddo
endif
endif
return
!---------------------------------------------------------------------------------------------------------------------------------
endsubroutine split