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