/*
 * call-seq: to_h
 *
 * Returns the configuration instance variables as a hash, that can be
 * passed to the configure method.
 */
static VALUE cState_to_h(VALUE self)
{
    VALUE result = rb_hash_new();
    GET_STATE(self);
    rb_hash_aset(result, ID2SYM(i_indent), rb_str_new(state->indent, state->indent_len));
    rb_hash_aset(result, ID2SYM(i_space), rb_str_new(state->space, state->space_len));
    rb_hash_aset(result, ID2SYM(i_space_before), rb_str_new(state->space_before, state->space_before_len));
    rb_hash_aset(result, ID2SYM(i_object_nl), rb_str_new(state->object_nl, state->object_nl_len));
    rb_hash_aset(result, ID2SYM(i_array_nl), rb_str_new(state->array_nl, state->array_nl_len));
    rb_hash_aset(result, ID2SYM(i_allow_nan), state->allow_nan ? Qtrue : Qfalse);
    rb_hash_aset(result, ID2SYM(i_ascii_only), state->ascii_only ? Qtrue : Qfalse);
    rb_hash_aset(result, ID2SYM(i_max_nesting), LONG2FIX(state->max_nesting));
    rb_hash_aset(result, ID2SYM(i_depth), LONG2FIX(state->depth));
    return result;
}