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idbcursor.go
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idbcursor.go
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package indexeddb
import (
"sync"
"syscall/js"
"github.com/realPy/hogosuru/baseobject"
"github.com/realPy/hogosuru/eventtarget"
)
//IDBCursor struct
type IDBCursor struct {
eventtarget.EventTarget
}
type IDBCursorFrom interface {
IDBCursor_() IDBCursor
}
func (i IDBCursor) IDBCursor_() IDBCursor {
return i
}
var singletonIDBCursor sync.Once
var idbcursorinterface js.Value
func IDBCursorGetInterface() js.Value {
singletonIDBCursor.Do(func() {
var err error
if idbcursorinterface, err = baseobject.Get(js.Global(), "IDBCursor"); err != nil {
idbcursorinterface = js.Undefined()
}
baseobject.Register(idbcursorinterface, func(v js.Value) (interface{}, error) {
return IDBCursorNewFromJSObject(v)
})
IDBCursorWithValueGetInterface()
})
return idbcursorinterface
}
func IDBCursorNewFromJSObject(obj js.Value) (IDBCursor, error) {
var i IDBCursor
var err error
if ai := IDBDatabaseGetInterface(); !ai.IsUndefined() {
if obj.IsUndefined() || obj.IsNull() {
err = baseobject.ErrUndefinedValue
} else {
if obj.InstanceOf(ai) {
i.BaseObject = i.SetObject(obj)
} else {
err = ErrNotAnIDBCursor
}
}
} else {
err = ErrNotImplemented
}
return i, err
}
func (i IDBCursor) Direction() (string, error) {
return i.GetAttributeString("direction")
}
func (i IDBCursor) Key() (interface{}, error) {
return i.GetAttributeGlobal("key")
}
func (i IDBCursor) PrimaryKey() (interface{}, error) {
return i.GetAttributeGlobal("primaryKey")
}
func (i IDBCursor) Advance(count int) error {
var err error
_, err = i.Call("advance", js.ValueOf(count))
return err
}
func (i IDBCursor) Request() (IDBRequest, error) {
var err error
var obj js.Value
var request IDBRequest
if obj, err = i.Get("request"); err == nil {
request, err = IDBRequestNewFromJSObject(obj)
}
return request, err
}
func (i IDBCursor) Source() (interface{}, error) {
var err error
var obj js.Value
var bobj interface{}
if obj, err = i.Get("source"); err == nil {
bobj, err = baseobject.Discover(obj)
}
return bobj, err
}
func (i IDBCursor) Continue(option ...interface{}) error {
//var err error
var arrayJS []interface{}
if len(option) > 0 {
arrayJS = append(arrayJS, baseobject.GetJsValueOf(option[0]))
}
i.Call("continue", arrayJS...)
return nil
}
func (i IDBCursor) Delete() (IDBRequest, error) {
var err error
var obj js.Value
var request IDBRequest
if obj, err = i.Call("delete"); err == nil {
request, err = IDBRequestNewFromJSObject(obj)
}
return request, err
}
func (i IDBCursor) Update(value interface{}) (IDBRequest, error) {
var err error
var obj js.Value
var request IDBRequest
var arrayJS []interface{}
arrayJS = append(arrayJS, baseobject.GetJsValueOf(value))
if obj, err = i.Call("update", arrayJS...); err == nil {
request, err = IDBRequestNewFromJSObject(obj)
}
return request, err
}