Пример #1
0
// make is needed to create types for use by test
func makevalue(v interface{}) (UnionSassValue, error) {
	f := reflect.ValueOf(v)
	err := error(nil)
	switch f.Kind() {
	default:
		return C.sass_make_null(), err
	case reflect.Bool:
		return C.sass_make_boolean(C.bool(v.(bool))), err
	case reflect.String:
		return C.sass_make_string(C.CString(v.(string))), err
	case reflect.Struct: //only SassNumber and color.RGBA are supported
		if reflect.TypeOf(v).String() == "context.SassNumber" {
			var sn = v.(SassNumber)
			return C.sass_make_number(C.double(sn.Value), C.CString(sn.Unit)), err
		} else if reflect.TypeOf(v).String() == "color.RGBA" {
			var sc = v.(color.RGBA)
			return C.sass_make_color(C.double(sc.R), C.double(sc.G), C.double(sc.B), C.double(sc.A)), err
		} else {
			err = errors.New(fmt.Sprintf("The struct type %s is unsupported for marshalling", reflect.TypeOf(v).String()))
			return C.sass_make_null(), err
		}
	case reflect.Slice:
		// Initialize the list
		l := C.sass_make_list(C.size_t(f.Len()), C.SASS_COMMA)
		for i := 0; i < f.Len(); i++ {
			t, er := makevalue(f.Index(i).Interface())
			if err == nil && er != nil {
				err = er
			}
			C.sass_list_set_value(l, C.size_t(i), t)
		}
		return l, err
	}
}
Пример #2
0
// SampleCB example how a callback is defined
func SampleCB(ctx *Context, usv UnionSassValue) UnionSassValue {
	var sv []interface{}
	Unmarshal(usv, &sv)
	return C.sass_make_boolean(false)
}
Пример #3
0
// MakeBool creates Sass bool from a bool
func MakeBool(b bool) UnionSassValue {
	return C.sass_make_boolean(C.bool(b))
}