func (o *Object) Keys() []string {
var result []string
o.cx.rt.Use(func() {
ids := C.JS_Enumerate(o.cx.jscx, o.obj)
if ids == nil {
panic("enumerate failed")
}
defer C.JS_free(o.cx.jscx, unsafe.Pointer(ids))
keys := make([]string, ids.length)
head := unsafe.Pointer(&ids.vector[0])
sl := &reflect.SliceHeader{
uintptr(head), len(keys), len(keys),
}
vector := *(*[]C.jsid)(unsafe.Pointer(sl))
for i := 0; i < len(keys); i++ {
id := vector[i]
ckey := C.JS_EncodeString(o.cx.jscx, C.JSID_TO_STRING(id))
gkey := C.GoString(ckey)
C.JS_free(o.cx.jscx, unsafe.Pointer(ckey))
keys[i] = gkey
}
result = keys
})
return result
}
// Convert a value to String.
func (v *Value) ToString() string {
var result string
v.cx.rt.Use(func() {
cstring := C.JS_EncodeString(v.cx.jscx, C.JS_ValueToString(v.cx.jscx, v.val))
gostring := C.GoString(cstring)
C.JS_free(v.cx.jscx, unsafe.Pointer(cstring))
result = gostring
})
return result
}
func (self *JS) jsval2goval(val C.jsval) interface{} {
t := C.JS_TypeOfValue(self.context, val)
if t == C.JSTYPE_VOID {
return nil
} else if t == C.JSTYPE_OBJECT {
return &JSObject{self, C.Jsval2JSObject(self.context, val)}
} else if t == C.JSTYPE_FUNCTION {
return NewJSFunction(self, val)
} else if t == C.JSTYPE_STRING {
c_string := C.JS_EncodeString(self.context, C.Jsval2JSString(self.context, val))
defer C.free(unsafe.Pointer(c_string))
return C.GoString(c_string)
} else if t == C.JSTYPE_NUMBER {
return float64(C.Jsval2jsdouble(self.context, val))
} else if t == C.JSTYPE_BOOLEAN {
return C.Jsval2JSBool(self.context, val) == C.JS_TRUE
}
return nil
}