json_info_by_path Subroutine

private subroutine json_info_by_path(json, p, path, found, var_type, n_children, name)


Type IntentOptional AttributesName
class(json_core), intent(inout) :: json
type(json_value), intent(in), pointer:: p

a JSON linked list

character(kind=CK,len=*), intent(in) :: path

path to the variable

logical(kind=LK), intent(out), optional :: found

true if it was found

integer(kind=IK), intent(out), optional :: var_type

variable type

integer(kind=IK), intent(out), optional :: n_children

number of children

character(kind=CK,len=:), intent(out), optional allocatable:: name

variable name


Source Code

Source Code

    subroutine json_info_by_path(json,p,path,found,var_type,n_children,name)

    implicit none

    class(json_core),intent(inout)       :: json
    type(json_value),pointer,intent(in)  :: p          !! a JSON linked list
    character(kind=CK,len=*),intent(in)  :: path       !! path to the variable
    logical(LK),intent(out),optional     :: found      !! true if it was found
    integer(IK),intent(out),optional     :: var_type   !! variable type
    integer(IK),intent(out),optional     :: n_children !! number of children
    character(kind=CK,len=:),allocatable,intent(out),optional :: name !! variable name

    type(json_value),pointer :: p_var  !! temporary pointer
    logical(LK) :: ok  !! if the variable was found
#if defined __GFORTRAN__
    character(kind=CK,len=:),allocatable :: p_name  !! temporary variable for getting name

    call json%get(p,path,p_var,found)

    !check if it was found:
    if (present(found)) then
        ok = found
        ok = .not. json%exception_thrown
    end if

    if (.not. ok) then
        if (present(var_type))   var_type   = json_unknown
        if (present(n_children)) n_children = 0
        if (present(name))       name       = CK_''
        !get info:

#if defined __GFORTRAN__
        call json%info(p_var,var_type,n_children)
        if (present(name)) then !workaround for gfortran bug
            if (allocated(p_var%name)) then
                p_name = p_var%name
                name = p_name
                name = CK_''
            end if
        end if
        call json%info(p_var,var_type,n_children,name)

    end if

    end subroutine json_info_by_path