// AsSource returns an interface for reading the resource.
func (res *memoryResource) AsSource() (buf serial.SeekingReadCloser, err error) {
if res.writeLocks == 0 {
res.readLocks++
buf = serial.NewByteStoreFromData(res.data, func([]byte) { res.readLocks-- })
} else {
err = fmt.Errorf("Cannot open for reading")
}
return
}
// AsSink returns an interface for writing the resource.
func (res *memoryResource) AsSink() (buf serial.SeekingWriteCloser, err error) {
if res.readLocks == 0 && res.writeLocks == 0 {
res.writeLocks++
buf = serial.NewByteStoreFromData(nil, func(data []byte) {
res.data = data
res.writeLocks--
})
} else {
err = fmt.Errorf("Cannot open for writing")
}
return
}
func (library *ReleaseStoreLibrary) saveAndReloadObjpropData(data []byte, path string, name string) (provider objprop.Provider, reader serial.SeekingReadCloser) {
newResource, err := library.saveResource(data, path, name)
if err == nil {
reader, err = newResource.AsSource()
}
if err == nil {
provider, err = dosObjprop.NewProvider(reader, library.descriptors)
if err != nil {
reader.Close()
}
}
if err != nil {
log.Printf("Failed to store in sink, buffering: %v\n", err)
reader = serial.NewByteStoreFromData(data, func([]byte) {})
provider, _ = dosObjprop.NewProvider(reader, library.descriptors)
}
return
}