Esempi in C++ (Cpp) per data_objects_typecast

Esempio n. 1

File: do_mysql.c Progetto: dariocravero/do

// Convert C-string to a Ruby instance of Ruby type "type"
VALUE do_mysql_typecast(const char *value, long length, const VALUE type, int encoding) {
  if (!value) {
    return Qnil;
  }

  if (type == rb_cTrueClass) {
    return (value == 0 || strcmp("0", value) == 0) ? Qfalse : Qtrue;
  }
  else if (type == rb_cByteArray) {
    return rb_funcall(rb_cByteArray, ID_NEW, 1, rb_str_new(value, length));
  }
  else {
    return data_objects_typecast(value, length, type, encoding);
  }
}

Esempio n. 2

File: do_postgres.c Progetto: Jpoehlman/wildtrack

VALUE do_postgres_typecast(const char *value, long length, const VALUE type, int encoding) {
  if (type == rb_cTrueClass) {
    return *value == 't' ? Qtrue : Qfalse;
  }
  else if (type == rb_cByteArray) {
    size_t new_length = 0;
    char *unescaped = (char *)PQunescapeBytea((unsigned char*)value, &new_length);
    VALUE byte_array = rb_funcall(rb_cByteArray, DO_ID_NEW, 1, rb_str_new(unescaped, new_length));

    PQfreemem(unescaped);
    return byte_array;
  }
  else {
    return data_objects_typecast(value, length, type, encoding);
  }
}