annotate_invalid_json Subroutine

  1. json_value_module.F90
  2. json_value_module
  3. annotate_invalid_json

private subroutine annotate_invalid_json(json, iunit, str)

Generate a warning message if there was an error parsing a JSON file or string.

Arguments

Type IntentOptional AttributesName
class(json_core), intent(inout) :: json
integer(kind=IK), intent(in) :: iunit

file unit number
character(kind=CK,len=*), intent(in) :: str

string with JSON data

Calls

proc~~annotate_invalid_json~~CallsGraph proc~annotate_invalid_json annotate_invalid_json proc~integer_to_string integer_to_string proc~annotate_invalid_json->proc~integer_to_string
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Source Code

annotate_invalid_json

Source Code

    subroutine annotate_invalid_json(json,iunit,str)

    implicit none

    class(json_core),intent(inout)      :: json
    integer(IK),intent(in)              :: iunit !! file unit number
    character(kind=CK,len=*),intent(in) :: str   !! string with JSON data

    character(kind=CK,len=:),allocatable :: line, arrow_str
    character(kind=CK,len=10) :: line_str, char_str
    integer(IK) :: i, i_nl_prev, i_nl

    !  If there was an error reading the file, then
    !   print the line where the error occurred:
    if (json%exception_thrown) then

        !the counters for the current line and the last character read:
        call integer_to_string(json%line_count, int_fmt, line_str)
        call integer_to_string(json%char_count, int_fmt, char_str)

        !draw the arrow string that points to the current character:
        arrow_str = repeat('-',max( 0, json%char_count - 1) )//'^'

        if (json%line_count>0 .and. json%char_count>0) then

            if (iunit/=0) then

                if (use_unformatted_stream) then
                    call json%get_current_line_from_file_stream(iunit,line)
                else
                    call json%get_current_line_from_file_sequential(iunit,line)
                end if

            else

                !get the current line from the string:
                ! [this is done by counting the newline characters]
                i_nl_prev = 0  !index of previous newline character
                i_nl = 2  !just in case line_count = 0
                do i=1,json%line_count
                    i_nl = index(str(i_nl_prev+1:),newline)
                    if (i_nl==0) then   !last line - no newline character
                        i_nl = len(str)+1
                        exit
                    end if
                    i_nl = i_nl + i_nl_prev   !index of current newline character
                    i_nl_prev = i_nl          !update for next iteration
                end do
                line = str(i_nl_prev+1 : i_nl-1)  !extract current line

            end if

        else
            !in this case, it was an empty line or file
            line = CK_''
        end if

        !create the error message:
        json%err_message = json%err_message//newline//&
                           'line: '//trim(adjustl(line_str))//', '//&
                           'character: '//trim(adjustl(char_str))//newline//&
                           trim(line)//newline//arrow_str

        if (allocated(line)) deallocate(line)

    end if

    end subroutine annotate_invalid_json

All Procedures

annotate_invalid_json compact_real_string decode_rfc6901 default_comp_ucs4 default_join_ucs4 default_neq_ucs4 destroy_json_core destroy_json_data encode_rfc6901 escape_string get_current_line_from_file_sequential get_current_line_from_file_stream get_json_core_in_file initialize_json_core initialize_json_core_in_file initialize_json_file initialize_json_file_v2 integer_to_string json_check_for_errors json_clear_exceptions json_clone json_core json_count json_failed json_file json_file_check_for_errors json_file_clear_exceptions json_file_destroy json_file_failed json_file_get_double json_file_get_double_vec json_file_get_integer json_file_get_integer_vec json_file_get_logical json_file_get_logical_vec json_file_get_object json_file_get_root json_file_get_string json_file_get_string_vec json_file_load json_file_load_from_string json_file_move_pointer json_file_print_1 json_file_print_2 json_file_print_error_message json_file_print_to_console json_file_print_to_string json_file_traverse json_file_update_integer json_file_update_logical json_file_update_real json_file_update_string json_file_update_string_name_ascii json_file_update_string_val_ascii json_file_variable_info json_file_variable_matrix_info json_get_array json_get_array_with_path json_get_by_path json_get_by_path_default json_get_by_path_rfc6901 json_get_double json_get_double_vec json_get_double_vec_with_path json_get_double_with_path json_get_integer json_get_integer_vec json_get_integer_vec_with_path json_get_integer_with_path json_get_logical json_get_logical_vec json_get_logical_vec_with_path json_get_logical_with_path json_get_next json_get_parent json_get_path json_get_previous json_get_string json_get_string_vec json_get_string_vec_with_path json_get_string_with_path json_get_tail json_info json_info_by_path json_initialize json_matrix_info json_matrix_info_by_path json_parse_file json_parse_string json_print_1 json_print_2 json_print_error_message json_throw_exception json_traverse 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wrap_json_get_by_path wrap_json_get_double_vec_with_path wrap_json_get_double_with_path wrap_json_get_integer_vec_with_path wrap_json_get_integer_with_path wrap_json_get_logical_vec_with_path wrap_json_get_logical_with_path wrap_json_get_path wrap_json_get_string_vec_with_path wrap_json_get_string_with_path wrap_json_info_by_path wrap_json_matrix_info_by_path wrap_json_parse_string wrap_json_throw_exception wrap_json_update_double wrap_json_update_integer wrap_json_update_logical wrap_json_update_string wrap_json_value_add_double wrap_json_value_add_double_vec wrap_json_value_add_integer wrap_json_value_add_integer_vec wrap_json_value_add_logical wrap_json_value_add_logical_vec wrap_json_value_add_null wrap_json_value_add_string wrap_json_value_add_string_vec wrap_json_value_create_array wrap_json_value_create_double wrap_json_value_create_integer wrap_json_value_create_logical wrap_json_value_create_null wrap_json_value_create_object wrap_json_value_create_string 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