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chuckv |
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!! include file for adding generic linked list routines for atype list |
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!! generic routine to add an atype to a list |
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subroutine add_atype(this_node,head,tail,status) |
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!! atype node to be added to a list |
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type (generic_atype), pointer :: this_node |
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!! list to which atype is added, if null, we allocate a new list |
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type (generic_atype), pointer :: head |
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type (generic_atype), pointer :: tail |
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!! status 0 = success, -1 = failure |
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integer, intent(out) :: status |
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type (generic_atype), pointer :: current => null() |
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status = 0 |
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!! We need to allocate and set this node before calling add_list |
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if (.not. associated(this_node)) then |
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status = -1 |
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return |
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endif |
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!! if list is not associated, we are the first node on the list |
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if (.not. associated(head)) then |
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head => this_node |
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tail => this_node |
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else |
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this_node%prev => tail |
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tail%next => this_node |
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tail => this_node |
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endif |
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end subroutine add_atype |
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subroutine find_atype(ident,this_list, atype) |
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integer, intent(in) :: ident |
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type (generic_atype), pointer :: this_list |
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type (generic_atype), pointer :: atype |
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type (generic_atype), pointer :: temp |
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atype => null() |
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if (.not. associated(this_list)) return |
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temp => this_list |
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do while (associated(temp)) |
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if (temp%atype_ident == ident) then |
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atype => temp |
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exit |
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endif |
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temp => temp%next |
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end do |
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end subroutine find_atype |
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subroutine create_identPtrList(ident,this_list,identPtrList,status) |
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integer, dimension(:) :: ident |
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type(generic_atype), pointer :: this_list |
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type(generic_atype), pointer :: tmpPtr |
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type(generic_identPtrList), dimension(:),pointer :: identPtrList |
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integer, intent(out), optional :: status |
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integer :: list_size |
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integer :: i |
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integer :: this_ident |
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integer :: alloc_stat |
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status = 0 |
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list_size = size(ident) |
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chuckv |
252 |
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chuckv |
247 |
!! Allocate space for pointer list. |
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if (.not. associated(identPtrList)) then |
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allocate(identPtrList(list_size),stat=alloc_stat) |
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if (alloc_stat /= 0) then |
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status = -1 |
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return |
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end if |
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chuckv |
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chuckv |
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else if ( list_size > size(identPtrList)) then |
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!! We've already allocated this list and need to make it bigger |
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chuckv |
252 |
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chuckv |
247 |
deallocate(identPtrList) |
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allocate(identPtrList(list_size),stat=alloc_stat) |
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if (alloc_stat /= 0) then |
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status = -1 |
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return |
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end if |
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else |
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!! nullify entire list.... |
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do i = 1, list_size |
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identPtrList(i)%this => null() |
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end do |
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end if |
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do i = 1, list_size |
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this_ident = ident(i) |
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chuckv |
252 |
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chuckv |
247 |
call find_atype(this_ident,this_list,tmpPtr) |
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!! If we can't find the atype corresponding to the ident, return w/ error. |
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if (.not. associated(tmpPtr)) then |
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status = -1 |
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write(*,*) "Could not find an atype for ident ", this_ident |
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return |
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end if |
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!! Assign temp pointer to pointer list |
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identPtrList(i)%this => tmpPtr |
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end do |
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end subroutine create_identPtrList |
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function getListLen(this_list) result(listLen) |
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type( generic_atype ), pointer :: this_list |
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type( generic_atype ), pointer :: tmpPtr |
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integer :: listLen |
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listLen = 0 |
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tmpPtr => this_list |
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do while (associated(tmpPtr)) |
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listLen = listLen + 1 |
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tmpPtr => tmpPtr%next |
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end do |
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end function getListLen |
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subroutine print_list(head) |
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type( generic_atype ), pointer :: head |
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type( generic_atype ), pointer :: tmpLstPointer |
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write(*,*) " Printing atype_list" |
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if (.not. associated(head)) then |
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write(*,*) "ERROR: list is not associated" |
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return |
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end if |
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tmpLstPointer => head |
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do while(associated(tmpLstPointer)) |
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write(*,*) "Found ident: ", tmpLstPointer%atype_ident |
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tmpLstPointer => tmpLstPointer%next |
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end do |
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end subroutine print_list |
