func (d *CompoundFileDirectory) FileExists(name string) bool {
d.ensureOpen()
// if d.writer != nil {
// return d.writer.FileExists(name)
// }
_, ok := d.entries[util.StripSegmentName(name)]
return ok
}
func (d *CompoundFileDirectory) OpenInput(name string, context IOContext) (in IndexInput, err error) {
d.ensureOpen()
// assert !d.openForWrite
id := util.StripSegmentName(name)
if entry, ok := d.entries[id]; ok {
is := d.handle.openSlice(name, entry.offset, entry.length)
return is, nil
}
keys := make([]string, 0)
for k := range d.entries {
keys = append(keys, k)
}
panic(fmt.Sprintf("No sub-file with id %v found (fileName=%v files: %v)", id, name, keys))
}