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|
package gliba
import (
"fmt"
"github.com/gotk3/gotk3/glib"
)
type Wrapper func(interface{}) (interface{}, bool)
type Unwrapper func(interface{}) (interface{}, bool)
var wrappers []Wrapper
var unwrappers []Unwrapper
func AddWrapper(f Wrapper) {
wrappers = append(wrappers, f)
}
func AddUnwrapper(f Unwrapper) {
unwrappers = append(unwrappers, f)
}
func WrapAllGuard(v interface{}) interface{} {
vv, ok := WrapAll(v)
if !ok {
panic(fmt.Sprintf("Unrecognized type of object: %#v", v))
}
return vv
}
func UnwrapAllGuard(v interface{}) interface{} {
vv, ok := UnwrapAll(v)
if !ok {
panic(fmt.Sprintf("Unrecognized type of object: %#v", v))
}
return vv
}
func WrapAll(v interface{}) (interface{}, bool) {
for _, w := range wrappers {
v1, ok := w(v)
if ok {
return v1, ok
}
}
return nil, false
}
func UnwrapAll(v interface{}) (interface{}, bool) {
for _, u := range unwrappers {
v1, ok := u(v)
if ok {
return v1, ok
}
}
return nil, false
}
func init() {
AddWrapper(WrapPrimitive)
AddWrapper(WrapLocal)
AddUnwrapper(UnwrapPrimitive)
AddUnwrapper(UnwrapLocal)
}
func UnwrapPrimitive(v interface{}) (interface{}, bool) {
if v == nil {
return nil, true
}
switch e := v.(type) {
case bool:
return e, true
case int8:
return e, true
case int64:
return e, true
case int:
return e, true
case uint8:
return e, true
case uint64:
return e, true
case uint:
return e, true
case float32:
return e, true
case float64:
return e, true
case string:
return e, true
}
return nil, false
}
func WrapPrimitive(v interface{}) (interface{}, bool) {
return UnwrapPrimitive(v)
}
func Wrap(o interface{}) interface{} {
v1, ok := WrapLocal(o)
if !ok {
panic(fmt.Sprintf("Unrecognized type of object: %#v", o))
}
return v1
}
func Unwrap(o interface{}) interface{} {
v1, ok := UnwrapLocal(o)
if !ok {
panic(fmt.Sprintf("Unrecognized type of object: %#v", o))
}
return v1
}
func WrapLocal(o interface{}) (interface{}, bool) {
switch oo := o.(type) {
case *glib.Application:
val := WrapApplicationSimple(oo)
if val == nil {
return nil, true
}
return val, true
case *glib.Object:
val := WrapObjectSimple(oo)
if val == nil {
return nil, true
}
return val, true
case *glib.Signal:
val := wrapSignalSimple(oo)
if val == nil {
return nil, true
}
return val, true
case *glib.Value:
val := wrapValueSimple(oo)
if val == nil {
return nil, true
}
return val, true
}
return nil, false
}
func UnwrapLocal(o interface{}) (interface{}, bool) {
switch oo := o.(type) {
case *Application:
val := unwrapApplication(oo)
if val == nil {
return nil, true
}
return val, true
case *Object:
val := unwrapObject(oo)
if val == nil {
return nil, true
}
return val, true
case *signal:
val := unwrapSignal(oo)
if val == nil {
return nil, true
}
return val, true
case *value:
val := unwrapValue(oo)
if val == nil {
return nil, true
}
return val, true
}
return nil, false
}
|
