Class: Katana::SupportsExpression

Inherits:
Object
  • Object
show all
Defined in:
ext/katana/rb_katana_rule.c

Instance Method Summary collapse

Instance Method Details

#declaration ⇒ Object 



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# File 'ext/katana/rb_katana_rule.c', line 53

VALUE rb_supports_exp_declaration(VALUE self)
{
  KatanaSupportsExp *c_exp;
  Data_Get_Struct(self, KatanaSupportsExp, c_exp);
  if (c_exp->decl)
  {
    VALUE array = Data_Wrap_Struct(rb_Declaration, NULL, NULL, c_exp->decl);
  }
  else
    return Qnil;
}

#expressions ⇒ Object 



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# File 'ext/katana/rb_katana_rule.c', line 35

VALUE rb_supports_exp_exps(VALUE self)
{
  KatanaSupportsExp *c_exp;
  Data_Get_Struct(self, KatanaSupportsExp, c_exp);

  if (c_exp->exps)
  {
    VALUE array = Data_Wrap_Struct(rb_KArray, NULL, NULL, c_exp->exps);

    VALUE sing = rb_singleton_class(array);
    rb_define_method(sing, "each", rb_supports_expression_each, 0);

    return array;
  }
  else
    return Qnil;
}

#operation ⇒ Symbol

Returns:

  • (Symbol) 


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# File 'ext/katana/rb_katana_rule.c', line 8

VALUE rb_supports_exp_op(VALUE self)
{
  ID id;
  KatanaSupportsExp *c_exp;
  Data_Get_Struct(self, KatanaSupportsExp, c_exp);

  switch (c_exp->op)
  {
  case KatanaSupportsOperatorNone:
    id = rb_intern("none");
    break;
  case KatanaSupportsOperatorNot:
    id = rb_intern("not");
    break;
  case KatanaSupportsOperatorAnd:
    id = rb_intern("and");
    break;
  case KatanaSupportsOperatorOr:
    id = rb_intern("or");
    break;
  default:
    id = rb_intern("unknown");
    break;
  }
  return ID2SYM(id);
}