Exemple #1
0
func (db *DataBinder) submitProperty(prop Property, field reflect.Value) error {
	value := prop.Get()
	if value == nil {
		// This happens e.g. if CurrentIndex() of a ComboBox returns -1.
		// FIXME: Should we handle this differently?
		return nil
	}
	if err, ok := value.(error); ok {
		return err
	}

	if f64, ok := value.(float64); ok {
		switch field.Kind() {
		case reflect.Float32, reflect.Float64:
			field.SetFloat(f64)

		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
			field.SetInt(int64(f64))

		case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
			field.SetUint(uint64(f64))

		default:
			return newError(fmt.Sprintf("Field '%s': Can't convert float64 to %s.", prop.Source().(string), field.Type().Name()))
		}

		return nil
	}

	field.Set(reflect.ValueOf(value))

	return nil
}
Exemple #2
0
func (tbl *Table) setVal(field *reflect.Value, val interface{}) {
	str, ok := val.(string)
	log.Println("trying to set")
	if ok {
		log.Println("setting string")
		field.SetString(str)
		return
	}
	i, ok := val.(int64)
	if ok {
		field.SetInt(i)
		return
	}
	ui, ok := val.(uint64)
	if ok {
		field.SetUint(ui)
		return
	}
	b, ok := val.(bool)
	if ok {
		field.SetBool(b)
		return
	}
	f, ok := val.(float64)
	if ok {
		field.SetFloat(f)
		return
	}
	t, ok := val.(time.Time)
	if ok {
		field.Set(reflect.ValueOf(t))
		return
	}

}
Exemple #3
0
func setFieldDefaults(v reflect.Value, sf reflect.StructField, s reflect.Value) {
	if v.CanInterface() && reflect.DeepEqual(
		v.Interface(), reflect.Zero(v.Type()).Interface()) {
		tag := sf.Tag.Get("ebmldef")
		if tag != "" {
			switch v.Kind() {
			case reflect.Int, reflect.Int64:
				u, _ := strconv.ParseInt(tag, 10, 0)
				v.SetInt(int64(u))
			case reflect.Uint, reflect.Uint64:
				u, _ := strconv.ParseUint(tag, 10, 0)
				v.SetUint(u)
			case reflect.Float32, reflect.Float64:
				f, _ := strconv.ParseFloat(tag, 64)
				v.SetFloat(f)
			case reflect.String:
				v.SetString(tag)
			default:
				log.Panic("Unsupported default value")
			}
		}
		ltag := sf.Tag.Get("ebmldeflink")
		if ltag != "" {
			v.Set(s.FieldByName(ltag))
		}
	}
}
Exemple #4
0
func (e *Element) readField(v reflect.Value) (err error) {
	switch v.Kind() {
	case reflect.Struct:
		err = e.readStruct(v)
	case reflect.Slice:
		err = e.readSlice(v)
	case reflect.Array:
		for i, l := 0, v.Len(); i < l && err == nil; i++ {
			err = e.readStruct(v.Index(i))
		}
	case reflect.String:
		var s string
		s, err = e.readString()
		v.SetString(s)
	case reflect.Int, reflect.Int64:
		var u uint64
		u, err = e.readUint64()
		v.SetInt(int64(u))
	case reflect.Uint, reflect.Uint64:
		var u uint64
		u, err = e.readUint64()
		v.SetUint(u)
	case reflect.Float32, reflect.Float64:
		var f float64
		f, err = e.readFloat()
		v.SetFloat(f)
	default:
		err = errors.New("Unknown type: " + v.String())
	}
	return
}
Exemple #5
0
// setValue updates the field value in fv to the data extracted from config
// with key.
func setValue(fv *reflect.Value, c *Config, key string) error {
	// Update the value with the correct type
	switch fv.Kind() {
	case reflect.Int:
		val, err := c.GetInt(key)
		if err != nil {
			return err
		}
		fv.SetInt(int64(val))
	case reflect.Float64:
		val, err := c.GetFloat(key)
		if err != nil {
			return err
		}
		fv.SetFloat(val)
	case reflect.Bool:
		val, err := c.GetBool(key)
		if err != nil {
			return err
		}
		fv.SetBool(val)
	case reflect.String:
		val, err := c.GetString(key)
		if err != nil {
			return err
		}
		fv.SetString(val)
	}

	return nil
}
Exemple #6
0
// setWithProperType sets proper value to field based on its type,
// but it does not return error for failing parsing,
// because we want to use default value that is already assigned to strcut.
func setWithProperType(t reflect.Type, key *Key, field reflect.Value, delim string) error {
	switch t.Kind() {
	case reflect.String:
		if len(key.String()) == 0 {
			return nil
		}
		field.SetString(key.String())
	case reflect.Bool:
		boolVal, err := key.Bool()
		if err != nil {
			return nil
		}
		field.SetBool(boolVal)
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		durationVal, err := key.Duration()
		// Skip zero value
		if err == nil && int(durationVal) > 0 {
			field.Set(reflect.ValueOf(durationVal))
			return nil
		}

		intVal, err := key.Int64()
		if err != nil || intVal == 0 {
			return nil
		}
		field.SetInt(intVal)
	//	byte is an alias for uint8, so supporting uint8 breaks support for byte
	case reflect.Uint, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		durationVal, err := key.Duration()
		// Skip zero value
		if err == nil && int(durationVal) > 0 {
			field.Set(reflect.ValueOf(durationVal))
			return nil
		}

		uintVal, err := key.Uint64()
		if err != nil {
			return nil
		}
		field.SetUint(uintVal)

	case reflect.Float64:
		floatVal, err := key.Float64()
		if err != nil {
			return nil
		}
		field.SetFloat(floatVal)
	case reflectTime:
		timeVal, err := key.Time()
		if err != nil {
			return nil
		}
		field.Set(reflect.ValueOf(timeVal))
	case reflect.Slice:
		return setSliceWithProperType(key, field, delim)
	default:
		return fmt.Errorf("unsupported type '%s'", t)
	}
	return nil
}
Exemple #7
0
func setConfigVal(str string, field reflect.Value) error {
	t := field.Kind()
	switch {
	case t == reflect.String:
		field.SetString(str)
	case t >= reflect.Int && t <= reflect.Int64:
		if x, err := strconv.ParseInt(str, 10, 64); err != nil {
			return err
		} else {
			field.SetInt(x)
		}
	case t >= reflect.Uint && t <= reflect.Uint64:
		if x, err := strconv.ParseUint(str, 10, 64); err != nil {
			return err
		} else {
			field.SetUint(x)
		}
	case t >= reflect.Float32 && t <= reflect.Float64:
		if x, err := strconv.ParseFloat(str, 64); err != nil {
			return err
		} else {
			field.SetFloat(x)
		}
	case t == reflect.Bool:
		if x, err := strconv.ParseBool(str); err != nil {
			return err
		} else {
			field.SetBool(x)
		}
	default:
		return nil
	}
	return nil
}
Exemple #8
0
func (d *Decoder) decodeField(v reflect.Value, val string) error {
	switch v.Type() {
	case reflect.TypeOf(time.Duration(0)):
		a, err := time.ParseDuration(val)
		if err != nil {
			return err
		}
		v.SetInt(int64(a))
	default:
		switch v.Kind() {
		case reflect.String:
			v.SetString(val)
		case reflect.Int, reflect.Int32, reflect.Int64:
			v.Type()
			nv, err := strconv.ParseInt(val, 10, 64)
			if err != nil {
				return err
			}
			v.SetInt(nv)
		case reflect.Bool:
			b, err := strconv.ParseBool(val)
			if err != nil {
				return err
			}
			v.SetBool(b)
		case reflect.Float32, reflect.Float64:
			f, err := strconv.ParseFloat(val, 64)
			if err != nil {
				return err
			}
			v.SetFloat(f)
		}
	}
	return nil
}
Exemple #9
0
func (decoder *Decoder) readFloat(value reflect.Value) error {
	bytes, err := decoder.readBytes(8)
	if err != nil {
		return err
	}

	n := uint64(0)
	for _, b := range bytes {
		n <<= 8
		n |= uint64(b)
	}

	v := math.Float64frombits(n)

	switch value.Kind() {
	case reflect.Float32, reflect.Float64:
		value.SetFloat(v)
	case reflect.Int32, reflect.Int, reflect.Int64:
		value.SetInt(int64(v))
	case reflect.Uint32, reflect.Uint, reflect.Uint64:
		value.SetUint(uint64(v))
	case reflect.Interface:
		value.Set(reflect.ValueOf(v))
	default:
		return errors.New("invalid type:" + value.Type().String() + " for double")
	}

	return nil
}
Exemple #10
0
// This sets the value in a struct of an indeterminate type to the
// matching value from the request (via Form middleware) in the
// same type, so that not all deserialized values have to be strings.
// Supported types are string, int, float, and bool.
func setWithProperType(valueKind reflect.Kind, val string, structField reflect.Value, nameInTag string, errors Errors) {
	if scan, ok := structField.Addr().Interface().(sql.Scanner); ok {
		scan.Scan(val)
		return
	}
	switch valueKind {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		if val == "" {
			val = "0"
		}
		intVal, err := strconv.ParseInt(val, 10, 64)
		if err != nil {
			errors.Add([]string{nameInTag}, TypeError, "Value could not be parsed as integer")
		} else {
			structField.SetInt(intVal)
		}
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		if val == "" {
			val = "0"
		}
		uintVal, err := strconv.ParseUint(val, 10, 64)
		if err != nil {
			errors.Add([]string{nameInTag}, TypeError, "Value could not be parsed as unsigned integer")
		} else {
			structField.SetUint(uintVal)
		}
	case reflect.Bool:
		if val == "" {
			val = "false"
		}
		boolVal, err := strconv.ParseBool(val)
		if err != nil {
			errors.Add([]string{nameInTag}, TypeError, "Value could not be parsed as boolean")
		} else {
			structField.SetBool(boolVal)
		}
	case reflect.Float32:
		if val == "" {
			val = "0.0"
		}
		floatVal, err := strconv.ParseFloat(val, 32)
		if err != nil {
			errors.Add([]string{nameInTag}, TypeError, "Value could not be parsed as 32-bit float")
		} else {
			structField.SetFloat(floatVal)
		}
	case reflect.Float64:
		if val == "" {
			val = "0.0"
		}
		floatVal, err := strconv.ParseFloat(val, 64)
		if err != nil {
			errors.Add([]string{nameInTag}, TypeError, "Value could not be parsed as 64-bit float")
		} else {
			structField.SetFloat(floatVal)
		}
	case reflect.String:
		structField.SetString(val)
	}
}
Exemple #11
0
// setFieldVal first converts v to the type of structField, then uses reflection
// to set the field to the converted value.
func setFieldVal(structField reflect.Value, name string, v string) error {
	switch structField.Kind() {
	case reflect.String:
		structField.SetString(v)
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		vInt, err := strconv.Atoi(v)
		if err != nil {
			return fmt.Errorf("envvar: Error parsing environment variable %s: %s\n%s", name, v, err.Error())
		}
		structField.SetInt(int64(vInt))
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		vUint, err := strconv.ParseUint(v, 10, 64)
		if err != nil {
			return fmt.Errorf("envvar: Error parsing environment variable %s: %s\n%s", name, v, err.Error())
		}
		structField.SetUint(uint64(vUint))
	case reflect.Float32, reflect.Float64:
		vFloat, err := strconv.ParseFloat(v, 64)
		if err != nil {
			return fmt.Errorf("envvar: Error parsing environment variable %s: %s\n%s", name, v, err.Error())
		}
		structField.SetFloat(vFloat)
	case reflect.Bool:
		vBool, err := strconv.ParseBool(v)
		if err != nil {
			return fmt.Errorf("envvar: Error parsing environment variable %s: %s\n%s", name, v, err.Error())
		}
		structField.SetBool(vBool)
	default:
		return fmt.Errorf("envvar: Unsupported struct field type: %s", structField.Type().String())
	}
	return nil
}
Exemple #12
0
func processField(value string, field reflect.Value) error {
	typ := field.Type()

	decoder := decoderFrom(field)
	if decoder != nil {
		return decoder.Decode(value)
	}

	switch typ.Kind() {
	case reflect.String:
		field.SetString(value)
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		var (
			val int64
			err error
		)
		if field.Kind() == reflect.Int64 && typ.PkgPath() == "time" && typ.Name() == "Duration" {
			var d time.Duration
			d, err = time.ParseDuration(value)
			val = int64(d)
		} else {
			val, err = strconv.ParseInt(value, 0, typ.Bits())
		}
		if err != nil {
			return err
		}

		field.SetInt(val)
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		val, err := strconv.ParseUint(value, 0, typ.Bits())
		if err != nil {
			return err
		}
		field.SetUint(val)
	case reflect.Bool:
		val, err := strconv.ParseBool(value)
		if err != nil {
			return err
		}
		field.SetBool(val)
	case reflect.Float32, reflect.Float64:
		val, err := strconv.ParseFloat(value, typ.Bits())
		if err != nil {
			return err
		}
		field.SetFloat(val)
	case reflect.Slice:
		vals := strings.Split(value, ",")
		sl := reflect.MakeSlice(typ, len(vals), len(vals))
		for i, val := range vals {
			err := processField(val, sl.Index(i))
			if err != nil {
				return err
			}
		}
		field.Set(sl)
	}

	return nil
}
Exemple #13
0
// setWithProperType sets proper value to field based on its type,
// but it does not return error for failing parsing,
// because we want to use default value that is already assigned to strcut.
func setWithProperType(kind reflect.Kind, key *Key, field reflect.Value, delim string) error {
	switch kind {
	case reflect.String:
		if len(key.String()) == 0 {
			return nil
		}
		field.SetString(key.String())
	case reflect.Bool:
		boolVal, err := key.Bool()
		if err != nil {
			return nil
		}
		field.SetBool(boolVal)
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		intVal, err := key.Int64()
		if err != nil {
			return nil
		}
		field.SetInt(intVal)
	case reflect.Float64:
		floatVal, err := key.Float64()
		if err != nil {
			return nil
		}
		field.SetFloat(floatVal)
	case reflectTime:
		timeVal, err := key.Time()
		if err != nil {
			return nil
		}
		field.Set(reflect.ValueOf(timeVal))
	case reflect.Slice:
		vals := key.Strings(delim)
		numVals := len(vals)
		if numVals == 0 {
			return nil
		}

		sliceOf := field.Type().Elem().Kind()

		var times []time.Time
		if sliceOf == reflectTime {
			times = key.Times(delim)
		}

		slice := reflect.MakeSlice(field.Type(), numVals, numVals)
		for i := 0; i < numVals; i++ {
			switch sliceOf {
			case reflectTime:
				slice.Index(i).Set(reflect.ValueOf(times[i]))
			default:
				slice.Index(i).Set(reflect.ValueOf(vals[i]))
			}
		}
		field.Set(slice)
	default:
		return fmt.Errorf("unsupported type '%s'", kind)
	}
	return nil
}
Exemple #14
0
func numberDecoder(node RMNode, data interface{}, v reflect.Value) {
	val, err := redis.String(data, nil)
	if err != nil {
		panic(err)
	}

	switch v.Kind() {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		n, err := strconv.ParseInt(val, 10, 64)
		if err != nil || v.OverflowInt(n) {
			panic(fmt.Sprintf("Unable to convert int: %s \n", val))
		}
		v.SetInt(n)

	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
		n, err := strconv.ParseUint(val, 10, 64)
		if err != nil || v.OverflowUint(n) {
			panic(fmt.Sprintf("Unable to convert uint: %s \n", val))
		}
		v.SetUint(n)

	case reflect.Float32, reflect.Float64:
		n, err := strconv.ParseFloat(val, v.Type().Bits())
		if err != nil || v.OverflowFloat(n) {
			panic(fmt.Sprintf("Unable to convert float: %s \n", val))
		}
		v.SetFloat(n)

	default:
		panic(fmt.Sprintf("Unsupported number convertion for type[%v] with value[%v]", v.Type(), data))
	}
}
Exemple #15
0
// type(1) | name length(1) | raw name bytes | 0x00 | value bytes(8)
func (d *decodeState) double(v reflect.Value) {
	d.off += 1 // type

	klen := int(Int8(d.data[d.off:]))
	d.off += 1 // name length

	if klen > 0 {
		key := d.data[d.off : d.off+klen-1]
		d.off += klen
		v = fieldByTag(v, key)
		u, pv := d.indirect(v, false)
		if u != nil {
			d.off -= 1 + 1 + klen
			if err := u.UnmarshalMCPACK(d.next()); err != nil {
				d.error(err)
			}
			return
		}
		v = pv
	}

	val := Float64(d.data[d.off:])
	d.off += 8

	if !v.IsValid() {
		return
	}
	v.SetFloat(val)
}
Exemple #16
0
func parseStringToOutStruct(inValue reflect.Value, inField reflect.StructField, outValue reflect.Value) error {
	var outField reflect.Value
	outEl := outValue.Elem()

	if boolTag := inField.Tag.Get("parseBool"); boolTag != "" {
		split := strings.Split(boolTag, ",")
		boolOutName := split[0]
		boolTrueVals := split[1:]
		outToSet := parseStringToBool(inValue.String(), boolTrueVals...)
		outField = outEl.FieldByName(boolOutName)
		outField.Set(reflect.ValueOf(outToSet))
		return nil
	}

	outField = outEl.FieldByName(inField.Name)

	switch outField.Kind() {
	case reflect.String:
		outField.Set(inValue)
	case reflect.Int:
		outField.SetInt(parseStringToInt(inValue.String()))
	case reflect.Float64:
		outField.SetFloat(parseStringToFloat(inValue.String()))
	default:
		if _, ok := outField.Interface().(time.Time); ok {
			outField.Set(reflect.ValueOf(parseStringToTime(inValue.String())))
		} else {
			return errors.New(fmt.Sprintf("Unsupported: %s", outField.Kind().String()))
		}
	}

	return nil
}
Exemple #17
0
func luaU_FetchFloat(l Lua_State, v *reflect.Value) (ok bool) {
	if ok = Lua_isnumber(l, -1); ok {
		v.SetFloat(float64(Lua_tonumber(l, -1)))
	}
	Lua_pop(l, 1)
	return
}
Exemple #18
0
func (p *Decoder) unmarshalLaxString(s string, val reflect.Value) {
	switch val.Kind() {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		i := mustParseInt(s, 10, 64)
		val.SetInt(i)
		return
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64, reflect.Uintptr:
		i := mustParseUint(s, 10, 64)
		val.SetUint(i)
		return
	case reflect.Float32, reflect.Float64:
		f := mustParseFloat(s, 64)
		val.SetFloat(f)
		return
	case reflect.Bool:
		b := mustParseBool(s)
		val.SetBool(b)
		return
	case reflect.Struct:
		if val.Type() == timeType {
			t, err := time.Parse(textPlistTimeLayout, s)
			if err != nil {
				panic(err)
			}
			val.Set(reflect.ValueOf(t.In(time.UTC)))
			return
		}
		fallthrough
	default:
		panic(&incompatibleDecodeTypeError{val.Type(), String})
	}
}
Exemple #19
0
func setValue(elmv *reflect.Value, f Field) {
	switch f.Kind {
	case "int", "int64", "long":
		itemValue, innerr := strconv.ParseInt(f.Value, 10, 64)
		if innerr != nil {
			itemValue = 0
		}
		elmv.SetInt(itemValue)
	case "float", "float64", "double":
		itemValue, innerr := strconv.ParseFloat(f.Value, 64)
		if innerr != nil {
			itemValue = 0
		}
		elmv.SetFloat(itemValue)
	case "bool":
		itemValue, innerr := strconv.ParseBool(f.Value)
		if innerr != nil {
			itemValue = false
		}
		elmv.SetBool(itemValue)
	default:
		itemValue := f.Value
		elmv.SetString(itemValue)
	}
}
Exemple #20
0
func convertAssignBulkString(d reflect.Value, s []byte) (err error) {
	switch d.Type().Kind() {
	case reflect.Float32, reflect.Float64:
		var x float64
		x, err = strconv.ParseFloat(string(s), d.Type().Bits())
		d.SetFloat(x)
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		var x int64
		x, err = strconv.ParseInt(string(s), 10, d.Type().Bits())
		d.SetInt(x)
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		var x uint64
		x, err = strconv.ParseUint(string(s), 10, d.Type().Bits())
		d.SetUint(x)
	case reflect.Bool:
		var x bool
		x, err = strconv.ParseBool(string(s))
		d.SetBool(x)
	case reflect.String:
		d.SetString(string(s))
	case reflect.Slice:
		if d.Type().Elem().Kind() != reflect.Uint8 {
			err = cannotConvert(d, s)
		} else {
			d.SetBytes(s)
		}
	default:
		err = cannotConvert(d, s)
	}
	return
}
Exemple #21
0
func (d base) setModelValue(driverValue, fieldValue reflect.Value) error {
	switch fieldValue.Type().Kind() {
	case reflect.Bool:
		fieldValue.SetBool(d.dialect.parseBool(driverValue.Elem()))
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		fieldValue.SetInt(driverValue.Elem().Int())
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		// reading uint from int value causes panic
		switch driverValue.Elem().Kind() {
		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
			fieldValue.SetUint(uint64(driverValue.Elem().Int()))
		default:
			fieldValue.SetUint(driverValue.Elem().Uint())
		}
	case reflect.Float32, reflect.Float64:
		fieldValue.SetFloat(driverValue.Elem().Float())
	case reflect.String:
		fieldValue.SetString(string(driverValue.Elem().Bytes()))
	case reflect.Slice:
		if reflect.TypeOf(driverValue.Interface()).Elem().Kind() == reflect.Uint8 {
			fieldValue.SetBytes(driverValue.Elem().Bytes())
		}
	case reflect.Struct:
		switch fieldValue.Interface().(type) {
		case time.Time:
			fieldValue.Set(driverValue.Elem())
		default:
			if scanner, ok := fieldValue.Addr().Interface().(sql.Scanner); ok {
				return scanner.Scan(driverValue.Interface())
			}
		}

	}
	return nil
}
Exemple #22
0
func (d *base) SetModelValue(driverValue, fieldValue reflect.Value) error {
	// ignore zero types
	if !driverValue.Elem().IsValid() {
		return nil
	}
	switch fieldValue.Type().Kind() {
	case reflect.Bool:
		fieldValue.SetBool(d.Dialect.ParseBool(driverValue.Elem()))
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		fieldValue.SetInt(driverValue.Elem().Int())
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		// reading uint from int value causes panic
		switch driverValue.Elem().Kind() {
		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
			fieldValue.SetUint(uint64(driverValue.Elem().Int()))
		default:
			fieldValue.SetUint(driverValue.Elem().Uint())
		}
	case reflect.Float32, reflect.Float64:
		fieldValue.SetFloat(driverValue.Elem().Float())
	case reflect.String:
		fieldValue.SetString(string(driverValue.Elem().Bytes()))
	case reflect.Slice:
		if reflect.TypeOf(driverValue.Interface()).Elem().Kind() == reflect.Uint8 {
			fieldValue.SetBytes(driverValue.Elem().Bytes())
		}
	case reflect.Struct:
		if _, ok := fieldValue.Interface().(time.Time); ok {
			fieldValue.Set(driverValue.Elem())
		}
	}
	return nil
}
func parseAndSet(target reflect.Value, val string) error {
	if !target.CanSet() {
		return fmt.Errorf("Cannot set %v to %v", target, val)
	}
	switch kind := target.Type().Kind(); kind {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		intVal, err := strconv.ParseInt(val, 10, 64)
		if err == nil {
			target.SetInt(intVal)
		}
		return err
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		intVal, err := strconv.ParseUint(val, 10, 64)
		if err == nil {
			target.SetUint(intVal)
		}
		return err
	case reflect.Float32, reflect.Float64:
		floatVal, err := strconv.ParseFloat(val, 64)
		if err == nil {
			target.SetFloat(floatVal)
		}
		return err
	case reflect.String:
		target.SetString(val)
		return nil
	}
	return fmt.Errorf("Field %v has type %v, cannot set to %v", target, target.Type(), val)
}
Exemple #24
0
// Fill a single reflected field if it has the conf tag.
//
func (c *Config) getField(elem reflect.Value, group, key string) {
	var e error
	switch elem.Interface().(type) {

	case bool:
		var val bool
		val, e = c.Bool(group, key)
		elem.SetBool(val)

	case int:
		var val int
		val, e = c.Int(group, key)
		elem.SetInt(int64(val))

	case string:
		var val string
		val, e = c.String(group, key)
		elem.SetString(val)

	case float64:
		var val float64
		val, e = c.Float(group, key)
		elem.SetFloat(val)

	default:
		c.logError(errors.New("Parse conf: wrong type: " + elem.Kind().String()))
	}
	if e != nil {
		c.logError(errors.New("Parse conf: " + e.Error()))
	}
}
Exemple #25
0
func (d *MySQL) ValueToField(value reflect.Value, field reflect.Value) error {
	switch field.Type().Kind() {
	case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
		field.SetInt(value.Elem().Int())
	case reflect.Uint, reflect.Uint8, reflect.Uint16, reflect.Uint32, reflect.Uint64:
		// reading uint from int value causes panic
		switch value.Elem().Kind() {
		case reflect.Int, reflect.Int8, reflect.Int16, reflect.Int32, reflect.Int64:
			field.SetUint(uint64(value.Elem().Int()))
		default:
			field.SetUint(value.Elem().Uint())
		}
	case reflect.Float32, reflect.Float64:
		field.SetFloat(value.Elem().Float())
	case reflect.String:
		if !value.Elem().IsValid() {
			field.SetString("")
			return nil
		}
		field.SetString(string(value.Elem().Bytes()))
	case reflect.Slice:
		if reflect.TypeOf(value.Interface()).Elem().Kind() == reflect.Uint8 {
			field.SetBytes(value.Elem().Bytes())
		}
	case reflect.Struct:
		if field.Type() == reflect.TypeOf(time.Time{}) {
			field.Set(value.Elem())
		}
	}
	return nil
}
Exemple #26
0
func (me Record) GetValue(key string, value reflect.Value) (err error) {
	/*stringer, ok := value.Interface().(fmt.Stringer)
	  if ok {
	      me.Gut(key, stringer.String())
	      return
	  }*/
	monolog.Debug("GetValue: %s %v", key, value)

	switch value.Kind() {
	case reflect.Int, reflect.Int32, reflect.Int64:
		value.SetInt(int64(me.GetIntDefault(key, 0)))
	case reflect.Uint, reflect.Uint32, reflect.Uint64:
		value.SetUint(uint64(me.GetIntDefault(key, 0)))
	case reflect.Float32, reflect.Float64:
		f, err := me.GetFloat(key)
		if err != nil {
			return err
		}
		value.SetFloat(f)
	case reflect.String:
		s, ok := me.MayGet(key)
		if !ok {
			return fmt.Errorf("Could not get string for key %s", key)
		}
		value.SetString(s)
	case reflect.Struct:
		me.GetStruct(key+".", value.Addr().Interface())
	default:
		monolog.Warning("Don't know what to do with %v", value)
	}
	return nil
}
Exemple #27
0
func boolAsFloatDecoder(dv, sv reflect.Value) {
	if sv.Bool() {
		dv.SetFloat(1)
	} else {
		dv.SetFloat(0)
	}
}
// subtractValue subtracts actual value of type float32. Nested data, like
// slice, pointer and struct should not use this function.
// string, int32 and int64 are taken as identifiers (should be
// consistent in both input values). We set output of these types
// to the value of the first input value.
//
// id indicates whether the type should be treated as an identifier.
//
// Returns (bool, bool) - (Is there a diff between the values, Is this value an identifier)
func subtractValue(out, in1, in2 reflect.Value, section string, id bool) (bool, bool) {
	switch in1.Kind() {
	case reflect.Float32:
		if id {
			if in1.Float() != 0 {
				out.Set(in1)
			} else {
				out.Set(in2)
			}
			return false, true
		}

		if roundToTwoDecimal(in1.Float()-in2.Float()) == 0 {
			// This takes care of -0 values which may be returned by roundToTwoDecimal.
			out.SetFloat(0)
			return false, false
		}
		out.SetFloat(in1.Float() - in2.Float())
		return true, false

	case reflect.String:
		if id {
			if in1.String() != "" {
				out.Set(in1)
			} else {
				out.Set(in2)
			}
			return false, true
		}
		if in1.String() == in2.String() {
			out.Set(in1)
			return false, false
		}
		s := combineProtoStrings(in1.String(), in2.String(), connector)
		out.SetString(*s)
		return true, false

	case reflect.Int32, reflect.Int64:
		if id {
			if in1.Int() != 0 {
				out.Set(in1)
			} else {
				out.Set(in2)
			}
			return false, true
		}
		if diff := in1.Int() - in2.Int(); diff != 0 {
			out.SetInt(diff)
			return true, false
		}
		out.SetInt(0)
		return false, false

	default:
		reportWarningf("subtracting %s type in %s not supported", in1.Kind().String(), section)
		out.Set(in1)
		return false, true
	}
}
Exemple #29
0
func _reflect(b []byte, v reflect.Value) int {
	switch v.Kind() {
	case reflect.String:
		s := ScanString(b)
		v.SetString(s)
		return len(s) + 1
	case reflect.Bool:
		v.SetBool(Bool(b))
		return 1
	case reflect.Int:
		v.SetInt(int64(Int(b)))
		return 8
	case reflect.Uint:
		v.SetUint(uint64(Uint(b)))
		return 8
	case reflect.Int8:
		v.SetInt(int64(Int8(b)))
	case reflect.Uint8:
		v.SetUint(uint64(Uint8(b)))
	case reflect.Int16:
		v.SetInt(int64(Int16(b)))
	case reflect.Uint16:
		v.SetUint(uint64(Uint16(b)))
	case reflect.Int32:
		v.SetInt(int64(Int32(b)))
	case reflect.Uint32:
		v.SetUint(uint64(Uint32(b)))
	case reflect.Int64:
		v.SetInt(Int64(b))
	case reflect.Uint64:
		v.SetUint(Uint64(b))
	case reflect.Float32:
		v.SetFloat(float64(Float32(b)))
	case reflect.Float64:
		v.SetFloat(Float64(b))
	case reflect.Complex64:
		v.SetComplex(complex128(Complex64(b)))
	case reflect.Complex128:
		v.SetComplex(Complex128(b))
	case reflect.Struct:
		sum := 0
		for i, n := 0, v.NumField(); i < n; i++ {
			if f := v.Field(i); f.CanSet() {
				s := _reflect(b[sum:], f)
				if s < 0 {
					return -1
				}
				sum += s
			}
		}
		if sum == 0 {
			return -1
		}
		return sum
	default:
		return -1
	}
	return int(v.Type().Size())
}
Exemple #30
0
func (d *Decoder) float64Value(value reflect.Value) error {
	v, err := d.DecodeFloat64()
	if err != nil {
		return err
	}
	value.SetFloat(v)
	return nil
}