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|
package otto
import (
"reflect"
"strconv"
)
func (runtime *_runtime) newGoArrayObject(value reflect.Value) *_object {
self := runtime.newObject()
self.class = "GoArray"
self.objectClass = _classGoArray
self.value = _newGoArrayObject(value)
return self
}
type _goArrayObject struct {
value reflect.Value
writable bool
propertyMode _propertyMode
}
func _newGoArrayObject(value reflect.Value) *_goArrayObject {
writable := value.Kind() == reflect.Ptr // The Array is addressable (like a Slice)
mode := _propertyMode(0010)
if writable {
mode = 0110
}
self := &_goArrayObject{
value: value,
writable: writable,
propertyMode: mode,
}
return self
}
func (self _goArrayObject) getValue(index int64) (reflect.Value, bool) {
value := reflect.Indirect(self.value)
if index < int64(value.Len()) {
return value.Index(int(index)), true
}
return reflect.Value{}, false
}
func (self _goArrayObject) setValue(index int64, value Value) bool {
indexValue, exists := self.getValue(index)
if !exists {
return false
}
reflectValue, err := value.toReflectValue(reflect.Indirect(self.value).Type().Elem().Kind())
if err != nil {
panic(err)
}
indexValue.Set(reflectValue)
return true
}
func goArrayGetOwnProperty(self *_object, name string) *_property {
// length
if name == "length" {
return &_property{
value: toValue(reflect.Indirect(self.value.(*_goArrayObject).value).Len()),
mode: 0,
}
}
// .0, .1, .2, ...
index := stringToArrayIndex(name)
if index >= 0 {
object := self.value.(*_goArrayObject)
value := UndefinedValue()
reflectValue, exists := object.getValue(index)
if exists {
value = self.runtime.toValue(reflectValue.Interface())
}
return &_property{
value: value,
mode: object.propertyMode,
}
}
return objectGetOwnProperty(self, name)
}
func goArrayEnumerate(self *_object, all bool, each func(string) bool) {
object := self.value.(*_goArrayObject)
// .0, .1, .2, ...
for index, length := 0, object.value.Len(); index < length; index++ {
name := strconv.FormatInt(int64(index), 10)
if !each(name) {
return
}
}
objectEnumerate(self, all, each)
}
func goArrayDefineOwnProperty(self *_object, name string, descriptor _property, throw bool) bool {
if name == "length" {
return typeErrorResult(throw)
} else if index := stringToArrayIndex(name); index >= 0 {
object := self.value.(*_goArrayObject)
if object.writable {
if self.value.(*_goArrayObject).setValue(index, descriptor.value.(Value)) {
return true
}
}
return typeErrorResult(throw)
}
return objectDefineOwnProperty(self, name, descriptor, throw)
}
func goArrayDelete(self *_object, name string, throw bool) bool {
// length
if name == "length" {
return typeErrorResult(throw)
}
// .0, .1, .2, ...
index := stringToArrayIndex(name)
if index >= 0 {
object := self.value.(*_goArrayObject)
if object.writable {
indexValue, exists := object.getValue(index)
if exists {
indexValue.Set(reflect.Zero(reflect.Indirect(object.value).Type().Elem()))
return true
}
}
return typeErrorResult(throw)
}
return self.delete(name, throw)
}
|
