diff options
| -rw-r--r-- | fpm/src/fpm_strings.f90 | 115 |
1 files changed, 55 insertions, 60 deletions
diff --git a/fpm/src/fpm_strings.f90 b/fpm/src/fpm_strings.f90 index d62a370..3d7d7b1 100644 --- a/fpm/src/fpm_strings.f90 +++ b/fpm/src/fpm_strings.f90 @@ -431,12 +431,13 @@ end subroutine resize_string !>AUTHOR: John S. Urban !!LICENSE: Public Domain -!!## NAME -!! join(3f) - [fpm_strings:EDITING] append CHARACTER variable array into +!> +!!##NAME +!! join(3f) - [M_strings:EDITING] append CHARACTER variable array into !! a single CHARACTER variable with specified separator !! (LICENSE:PD) !! -!!## SYNOPSIS +!!##SYNOPSIS !! !! pure function join(str,sep,trm,left,right,start,end) result (string) !! @@ -449,13 +450,13 @@ end subroutine resize_string !! character(len=*),intent(in),optional :: end !! character(len=:),allocatable :: string !! -!!## DESCRIPTION +!!##DESCRIPTION !! JOIN(3f) appends the elements of a CHARACTER array into a single !! CHARACTER variable, with elements 1 to N joined from left to right. !! By default each element is trimmed of trailing spaces and the !! default separator is a null string. !! -!!## OPTIONS +!!##OPTIONS !! STR(:) array of CHARACTER variables to be joined !! SEP separator string to place between each variable. defaults !! to a null string. @@ -466,81 +467,75 @@ end subroutine resize_string !! TRM option to trim each element of STR of trailing !! spaces. Defaults to .TRUE. !! -!!## RESULT +!!##RESULT !! STRING CHARACTER variable composed of all of the elements of STR() !! appended together with the optional separator SEP placed !! between the elements. !! -!!## EXAMPLE +!!##EXAMPLE !! !! Sample program: -!!```fortran -!! program demo_join -!! use fpm_strings, only: join -!! implicit none -!! character(len=:),allocatable :: s(:) -!! character(len=:),allocatable :: out -!! integer :: i -!! s=[character(len=10) :: 'United',' we',' stand,', & -!! & ' divided',' we fall.'] -!! out=join(s) -!! write(*,'(a)') out -!! write(*,'(a)') join(s,trm=.false.) -!! write(*,'(a)') (join(s,trm=.false.,sep='|'),i=1,3) -!! write(*,'(a)') join(s,sep='<>') -!! write(*,'(a)') join(s,sep=';',left='[',right=']') -!! write(*,'(a)') join(s,left='[',right=']') -!! write(*,'(a)') join(s,left='>>') -!! end program demo_join -!!```fortran !! -!! Expected output: +!! program demo_join +!! use M_strings, only: join +!! implicit none +!! character(len=:),allocatable :: s(:) +!! character(len=:),allocatable :: out +!! integer :: i +!! s=[character(len=10) :: 'United',' we',' stand,', & +!! & ' divided',' we fall.'] +!! out=join(s) +!! write(*,'(a)') out +!! write(*,'(a)') join(s,trm=.false.) +!! write(*,'(a)') (join(s,trm=.false.,sep='|'),i=1,3) +!! write(*,'(a)') join(s,sep='<>') +!! write(*,'(a)') join(s,sep=';',left='[',right=']') +!! write(*,'(a)') join(s,left='[',right=']') +!! write(*,'(a)') join(s,left='>>') +!! end program demo_join !! -!! United we stand, divided we fall. -!! United we stand, divided we fall. -!! United | we | stand, | divided | we fall. -!! United | we | stand, | divided | we fall. -!! United | we | stand, | divided | we fall. -!! United<> we<> stand,<> divided<> we fall. -!! [United];[ we];[ stand,];[ divided];[ we fall.] -!! [United][ we][ stand,][ divided][ we fall.] -!! >>United>> we>> stand,>> divided>> we fall. +!! Expected output: !! +!! United we stand, divided we fall. +!! United we stand, divided we fall. +!! United | we | stand, | divided | we fall. +!! United | we | stand, | divided | we fall. +!! United | we | stand, | divided | we fall. +!! United<> we<> stand,<> divided<> we fall. +!! [United];[ we];[ stand,];[ divided];[ we fall.] +!! [United][ we][ stand,][ divided][ we fall.] +!! >>United>> we>> stand,>> divided>> we fall. pure function join(str,sep,trm,left,right,start,end) result (string) -! @(#)join(3f): append an array of character variables with specified separator into a single CHARACTER variable +! @(#)M_strings::join(3f): merge string array into a single CHARACTER value adding specified separators, caps, prefix and suffix character(len=*),intent(in) :: str(:) -character(len=*),intent(in),optional :: sep -character(len=*),intent(in),optional :: right -character(len=*),intent(in),optional :: left -character(len=*),intent(in),optional :: start -character(len=*),intent(in),optional :: end +character(len=*),intent(in),optional :: sep, right, left, start, end logical,intent(in),optional :: trm +character(len=:),allocatable :: sep_local, left_local, right_local character(len=:),allocatable :: string -integer :: i logical :: trm_local -character(len=:),allocatable :: sep_local -character(len=:),allocatable :: left_local -character(len=:),allocatable :: right_local - - if(present(sep))then ; sep_local=sep ; else ; sep_local='' ; endif - if(present(trm))then ; trm_local=trm ; else ; trm_local=.true. ; endif - if(present(left))then ; left_local=left ; else ; left_local='' ; endif - if(present(right))then ; right_local=right ; else ; right_local='' ; endif - +integer :: i + if(present(sep))then ; sep_local=sep ; else ; sep_local='' ; endif + if(present(trm))then ; trm_local=trm ; else ; trm_local=.true. ; endif + if(present(left))then ; left_local=left ; else ; left_local='' ; endif + if(present(right))then ; right_local=right ; else ; right_local='' ; endif string='' - do i = 1,size(str)-1 + if(size(str).eq.0)then + string=string//left_local//right_local + else + do i = 1,size(str)-1 + if(trm_local)then + string=string//left_local//trim(str(i))//right_local//sep_local + else + string=string//left_local//str(i)//right_local//sep_local + endif + enddo if(trm_local)then - string=string//left_local//trim(str(i))//right_local//sep_local + string=string//left_local//trim(str(i))//right_local else - string=string//left_local//str(i)//right_local//sep_local + string=string//left_local//str(i)//right_local endif - enddo - if(trm_local)then - string=string//left_local//trim(str(i))//right_local - else - string=string//left_local//str(i)//right_local endif if(present(start))string=start//string if(present(end))string=string//end |