Add a string value to a json_value, given the path.
If the path points to an existing variable in the structure, then this routine will destroy it and replace it with the new value.
| Type | Intent | Optional | Attributes | Name | ||
|---|---|---|---|---|---|---|
| class(json_core), | intent(inout) | :: | json | |||
| type(json_value), | pointer | :: | me | the JSON structure |
||
| character(kind=CK,len=*), | intent(in) | :: | path | the path to the variable |
||
| character(kind=CK,len=*), | intent(in) | :: | value | the value to add |
||
| logical(kind=LK), | intent(out), | optional | :: | found | if the variable was found |
|
| logical(kind=LK), | intent(out), | optional | :: | was_created | if the variable had to be created |
|
| logical(kind=LK), | intent(in), | optional | :: | trim_str | if TRIM() should be called for each element |
|
| logical(kind=LK), | intent(in), | optional | :: | adjustl_str | if ADJUSTL() should be called for each element |
subroutine json_add_string_by_path(json,me,path,value,found,&
was_created,trim_str,adjustl_str)
implicit none
class(json_core),intent(inout) :: json
type(json_value),pointer :: me !! the JSON structure
character(kind=CK,len=*),intent(in) :: path !! the path to the variable
character(kind=CK,len=*),intent(in) :: value !! the value to add
logical(LK),intent(out),optional :: found !! if the variable was found
logical(LK),intent(out),optional :: was_created !! if the variable had to be created
logical(LK),intent(in),optional :: trim_str !! if TRIM() should be called for each element
logical(LK),intent(in),optional :: adjustl_str !! if ADJUSTL() should be called for each element
type(json_value),pointer :: p
type(json_value),pointer :: tmp
character(kind=CK,len=:),allocatable :: name !! variable name
if ( .not. json%exception_thrown ) then
nullify(p)
! return a pointer to the path (possibly creating it)
! If the variable had to be created, then
! it will be a json_null variable.
call json%create(me,path,p,found,was_created)
if (.not. associated(p)) then
call json%throw_exception('Error in json_add_string_by_path:'//&
' Unable to resolve path: '//trim(path))
if (present(found)) then
found = .false.
call json%clear_exceptions()
end if
else
!NOTE: a new object is created, and the old one
! is replaced and destroyed. This is to
! prevent memory leaks if the type is
! being changed (for example, if an array
! is being replaced with a scalar).
if (p%var_type==json_string) then
p%str_value = value
else
call json%info(p,name=name)
call json%create_string(tmp,value,name,trim_str,adjustl_str)
call json%replace(p,tmp,destroy=.true.)
end if
end if
else
if ( present(found) ) found = .false.
if ( present(was_created) ) was_created = .false.
end if
end subroutine json_add_string_by_path