/**
* Converts the milliseconds time to the raw BSON bytes. We need to
* explicitly convert using 64 bit here.
*
* @example Convert the milliseconds value to BSON bytes.
* rb_time_to_bson(time, 2124132340000, encoded);
*
* @param [ Time ] self The Ruby Time object.
* @param [ Integer ] milliseconds The milliseconds pre/post epoch.
* @param [ String ] encoded The Ruby binary string to append to.
*
* @return [ String ] encoded Ruby binary string with time BSON raw bytes appended.
*
* @since 2.0.0
*/
static VALUE rb_time_to_bson(int argc, VALUE *argv, VALUE self)
{
double t = NUM2DBL(rb_funcall(self, rb_intern("to_f"), 0));
int64_t milliseconds = (int64_t)(t * 1000);
VALUE encoded = rb_get_default_encoded(argc, argv);
return int64_t_to_bson(milliseconds, encoded);
}
/**
* Append the ruby float as 8-byte double value to buffer.
*
* @example Convert float to double and append.
* rb_float_to_bson(..., 1.2311);
*
* @param [ String] encoded Optional string buffer, default provided by rb_str_encoded_binary
* @param [ Float ] self The ruby float value.
*
* @return [ String ] The encoded bytes with double value appended.
*
* @since 2.0.0
*/
static VALUE rb_float_to_bson(int argc, VALUE *argv, VALUE self)
{
const double v = NUM2DBL(self);
VALUE encoded = rb_get_default_encoded(argc, argv);
rb_str_cat(encoded, (char*) &v, 8);
return encoded;
}
/**
* Converts the milliseconds time to the raw BSON bytes. We need to
* explicitly convert using 64 bit here.
*
* @example Convert the milliseconds value to BSON bytes.
* rb_time_to_bson(time, 2124132340000, encoded);
*
* @param [ Time ] self The Ruby Time object.
* @param [ Integer ] milliseconds The milliseconds pre/post epoch.
* @param [ String ] encoded The Ruby binary string to append to.
*
* @return [ String ] encoded Ruby binary string with time BSON raw bytes appended.
*
* @since 2.0.0
*/
static VALUE rb_time_to_bson(int argc, VALUE *argv, VALUE self)
{
int64_t t = NUM2INT64(rb_funcall(self, rb_intern("to_i"), 0));
int64_t milliseconds = (int64_t)(t * 1000);
int32_t micro = NUM2INT(rb_funcall(self, rb_intern("usec"), 0));
int64_t time = milliseconds + (micro / 1000);
VALUE encoded = rb_get_default_encoded(argc, argv);
return int64_t_to_bson(time, encoded);
}
/**
* Convert the Ruby integer into a character string and append with nullchar to encoded BSON.
*
* @example Convert the integer to string and append with nullchar.
* rb_integer_to_bson_key(128, encoded);
*
* @param [ Integer ] self The Ruby integer.
* @param [ String ] encoded The Ruby binary string to append to.
*
* @return [ String ] encoded Ruby binary string with BSON raw bytes appended.
*
* @since 2.0.0
*/
static VALUE rb_integer_to_bson_key(int argc, VALUE *argv, VALUE self)
{
char bytes[INTEGER_CHAR_SIZE];
const int64_t v = NUM2INT64(self);
VALUE encoded = rb_get_default_encoded(argc, argv);
int length;
if (v < BSON_INDEX_SIZE)
return rb_str_cat(encoded, rb_bson_array_indexes[v], strlen(rb_bson_array_indexes[v]) + 1);
length = snprintf(bytes, INTEGER_CHAR_SIZE, "%ld", (long)v);
return rb_str_cat(encoded, bytes, length + 1);
}
/**
* Append the ruby float as 8-byte double value to buffer.
*
* @example Convert float to double and append.
* rb_float_to_bson(..., 1.2311);
*
* @param [ String] encoded Optional string buffer, default provided by rb_str_encoded_binary
* @param [ Float ] self The ruby float value.
*
* @return [ String ] The encoded bytes with double value appended.
*
* @since 2.0.0
*/
static VALUE rb_float_to_bson(int argc, VALUE *argv, VALUE self)
{
const double v = NUM2DBL(self);
VALUE encoded = rb_get_default_encoded(argc, argv);
# if __BYTE_ORDER == __LITTLE_ENDIAN
rb_str_cat(encoded, (char*) &v, 8);
#elif __BYTE_ORDER == __BIG_ENDIAN
doublebytet swap;
unsigned char b;
swap.d = v;
for (int i=0; i < sizeof(double)/2; i++) {
b=swap.b[i];
swap.b[i] = swap.b[((sizeof(double)-1)-i)];
swap.b[((sizeof(double)-1)-i)]=b;
}
rb_str_cat(encoded, (char*)&swap.d, 8);
#endif
return encoded;
}
/**
* Encode a true value to bson.
*
* @example Encode the true value.
* rb_true_class_to_bson(0, true);
*
* @param [ int ] argc The number or arguments.
* @param [ Array<Object> ] argv The arguments.
* @param [ TrueClass ] self The true value.
*
* @return [ String ] The encoded string.
*
* @since 2.0.0
*/
static VALUE rb_true_class_to_bson(int argc, VALUE *argv, VALUE self)
{
VALUE encoded = rb_get_default_encoded(argc, argv);
rb_str_cat(encoded, &rb_bson_true_byte, 1);
return encoded;
}
