diff options
Diffstat (limited to 'Godeps/_workspace/src/github.com/obscuren/otto/type_go_slice.go')
-rw-r--r-- | Godeps/_workspace/src/github.com/obscuren/otto/type_go_slice.go | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/Godeps/_workspace/src/github.com/obscuren/otto/type_go_slice.go b/Godeps/_workspace/src/github.com/obscuren/otto/type_go_slice.go new file mode 100644 index 000000000..5821e2ad3 --- /dev/null +++ b/Godeps/_workspace/src/github.com/obscuren/otto/type_go_slice.go @@ -0,0 +1,118 @@ +package otto + +import ( + "reflect" + "strconv" +) + +func (runtime *_runtime) newGoSliceObject(value reflect.Value) *_object { + self := runtime.newObject() + self.class = "GoArray" // TODO GoSlice? + self.objectClass = _classGoSlice + self.value = _newGoSliceObject(value) + return self +} + +type _goSliceObject struct { + value reflect.Value +} + +func _newGoSliceObject(value reflect.Value) *_goSliceObject { + self := &_goSliceObject{ + value: value, + } + return self +} + +func (self _goSliceObject) getValue(index int64) (reflect.Value, bool) { + if index < int64(self.value.Len()) { + return self.value.Index(int(index)), true + } + return reflect.Value{}, false +} + +func (self _goSliceObject) setValue(index int64, value Value) bool { + indexValue, exists := self.getValue(index) + if !exists { + return false + } + reflectValue, err := value.toReflectValue(self.value.Type().Elem().Kind()) + if err != nil { + panic(err) + } + indexValue.Set(reflectValue) + return true +} + +func goSliceGetOwnProperty(self *_object, name string) *_property { + // length + if name == "length" { + return &_property{ + value: toValue(self.value.(*_goSliceObject).value.Len()), + mode: 0, + } + } + + // .0, .1, .2, ... + index := stringToArrayIndex(name) + if index >= 0 { + value := UndefinedValue() + reflectValue, exists := self.value.(*_goSliceObject).getValue(index) + if exists { + value = self.runtime.toValue(reflectValue.Interface()) + } + return &_property{ + value: value, + mode: 0110, + } + } + + return objectGetOwnProperty(self, name) +} + +func goSliceEnumerate(self *_object, all bool, each func(string) bool) { + object := self.value.(*_goSliceObject) + // .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 goSliceDefineOwnProperty(self *_object, name string, descriptor _property, throw bool) bool { + if name == "length" { + return typeErrorResult(throw) + } else if index := stringToArrayIndex(name); index >= 0 { + if self.value.(*_goSliceObject).setValue(index, descriptor.value.(Value)) { + return true + } + return typeErrorResult(throw) + } + return objectDefineOwnProperty(self, name, descriptor, throw) +} + +func goSliceDelete(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.(*_goSliceObject) + indexValue, exists := object.getValue(index) + if exists { + indexValue.Set(reflect.Zero(object.value.Type().Elem())) + return true + } + return typeErrorResult(throw) + } + + return self.delete(name, throw) +} |