json_get_parent Subroutine

  1. json_value_module.F90
  2. json_value_module
  3. json_get_parent

private subroutine json_get_parent(json, p, parent)

Returns a pointer to the parent of a json_value. If there is no parent, then a null() pointer is returned.

Arguments

TypeIntentOptionalAttributesName
class(json_core), intent(inout) :: json
type(json_value), intent(in), pointer:: p

JSON object
type(json_value), intent(out), pointer:: parent

pointer to parent

Contents

Source Code

json_get_parent

Source Code

    subroutine json_get_parent(json,p,parent)

    implicit none

    class(json_core),intent(inout)       :: json
    type(json_value),pointer,intent(in)  :: p        !! JSON object
    type(json_value),pointer,intent(out) :: parent   !! pointer to `parent`

    if (associated(p)) then
        parent => p%parent
    else
        nullify(parent)
        call json%throw_exception('Error in json_get_parent: '//&
                                  'pointer is not associated.')
    end if

    end subroutine json_get_parent