ai_old/goja/object_gomap.go
2024-09-20 16:50:35 +08:00

159 lines
3.5 KiB
Go

package goja
import (
"reflect"
"github.com/dop251/goja/unistring"
)
type objectGoMapSimple struct {
baseObject
data map[string]interface{}
}
func (o *objectGoMapSimple) init() {
o.baseObject.init()
o.prototype = o.val.runtime.global.ObjectPrototype
o.class = classObject
o.extensible = true
}
func (o *objectGoMapSimple) _getStr(name string) Value {
v, exists := o.data[name]
if !exists {
return nil
}
return o.val.runtime.ToValue(v)
}
func (o *objectGoMapSimple) getStr(name unistring.String, receiver Value) Value {
if v := o._getStr(name.String()); v != nil {
return v
}
return o.baseObject.getStr(name, receiver)
}
func (o *objectGoMapSimple) getOwnPropStr(name unistring.String) Value {
if v := o._getStr(name.String()); v != nil {
return v
}
return nil
}
func (o *objectGoMapSimple) setOwnStr(name unistring.String, val Value, throw bool) bool {
n := name.String()
if _, exists := o.data[n]; exists {
o.data[n] = val.Export()
return true
}
if proto := o.prototype; proto != nil {
// we know it's foreign because prototype loops are not allowed
if res, ok := proto.self.setForeignStr(name, val, o.val, throw); ok {
return res
}
}
// new property
if !o.extensible {
o.val.runtime.typeErrorResult(throw, "Cannot add property %s, object is not extensible", name)
return false
} else {
o.data[n] = val.Export()
}
return true
}
func trueValIfPresent(present bool) Value {
if present {
return valueTrue
}
return nil
}
func (o *objectGoMapSimple) setForeignStr(name unistring.String, val, receiver Value, throw bool) (bool, bool) {
return o._setForeignStr(name, trueValIfPresent(o._hasStr(name.String())), val, receiver, throw)
}
func (o *objectGoMapSimple) _hasStr(name string) bool {
_, exists := o.data[name]
return exists
}
func (o *objectGoMapSimple) hasOwnPropertyStr(name unistring.String) bool {
return o._hasStr(name.String())
}
func (o *objectGoMapSimple) defineOwnPropertyStr(name unistring.String, descr PropertyDescriptor, throw bool) bool {
if !o.val.runtime.checkHostObjectPropertyDescr(name, descr, throw) {
return false
}
n := name.String()
if o.extensible || o._hasStr(n) {
o.data[n] = descr.Value.Export()
return true
}
o.val.runtime.typeErrorResult(throw, "Cannot define property %s, object is not extensible", n)
return false
}
func (o *objectGoMapSimple) deleteStr(name unistring.String, _ bool) bool {
delete(o.data, name.String())
return true
}
type gomapPropIter struct {
o *objectGoMapSimple
propNames []string
idx int
}
func (i *gomapPropIter) next() (propIterItem, iterNextFunc) {
for i.idx < len(i.propNames) {
name := i.propNames[i.idx]
i.idx++
if _, exists := i.o.data[name]; exists {
return propIterItem{name: newStringValue(name), enumerable: _ENUM_TRUE}, i.next
}
}
return propIterItem{}, nil
}
func (o *objectGoMapSimple) iterateStringKeys() iterNextFunc {
propNames := make([]string, len(o.data))
i := 0
for key := range o.data {
propNames[i] = key
i++
}
return (&gomapPropIter{
o: o,
propNames: propNames,
}).next
}
func (o *objectGoMapSimple) stringKeys(_ bool, accum []Value) []Value {
// all own keys are enumerable
for key := range o.data {
accum = append(accum, newStringValue(key))
}
return accum
}
func (o *objectGoMapSimple) export(*objectExportCtx) interface{} {
return o.data
}
func (o *objectGoMapSimple) exportType() reflect.Type {
return reflectTypeMap
}
func (o *objectGoMapSimple) equal(other objectImpl) bool {
if other, ok := other.(*objectGoMapSimple); ok {
return o == other
}
return false
}