private Long getLong(final Column column, final TableRow row) {
        if (column != null && row != null) {
            return getLong(row.getText(column.getId()));
        }
        return null;
    }
The ranges returned are line/col positions in the input text. Thus the input text should
not be changed/formatted after the highlight ranges have been generated.
stroom-core-client/src/main/java/stroom/query/client/presenter/TextPresenter.java