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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,137 @@ | ||
| // Copyright ©2020 The go-hep Authors. All rights reserved. | ||
| // Use of this source code is governed by a BSD-style | ||
| // license that can be found in the LICENSE file. | ||
|
|
||
| package rcont | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "reflect" | ||
|
|
||
| "go-hep.org/x/hep/groot/rbase" | ||
| "go-hep.org/x/hep/groot/rbytes" | ||
| "go-hep.org/x/hep/groot/root" | ||
| "go-hep.org/x/hep/groot/rtypes" | ||
| "go-hep.org/x/hep/groot/rvers" | ||
| ) | ||
|
|
||
| type RefTable struct { | ||
| obj rbase.Object | ||
| size int32 // dummy, for backward compatibility | ||
| parents *ObjArray // array of Parent objects (eg TTree branch) holding the referenced objects | ||
| owner root.Object // Object owning this TRefTable | ||
| guids []string // UUIDs of TProcessIDs used in fParentIDs | ||
| } | ||
|
|
||
| func NewRefTable(owner root.Object) *RefTable { | ||
| return &RefTable{ | ||
| obj: *rbase.NewObject(), | ||
| owner: owner, | ||
| } | ||
| } | ||
|
|
||
| func (*RefTable) RVersion() int16 { | ||
| return rvers.RefTable | ||
| } | ||
|
|
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| func (*RefTable) Class() string { | ||
| return "TRefTable" | ||
| } | ||
|
|
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| func (tbl *RefTable) UID() uint32 { | ||
| return tbl.obj.UID() | ||
| } | ||
|
|
||
| func (tbl *RefTable) At(i int) root.Object { | ||
| panic("not implemented") | ||
| } | ||
|
|
||
| func (tbl *RefTable) UIDs() []string { | ||
| return tbl.guids | ||
| } | ||
|
|
||
| func (tbl *RefTable) MarshalROOT(w *rbytes.WBuffer) (int, error) { | ||
| if w.Err() != nil { | ||
| return 0, w.Err() | ||
| } | ||
|
|
||
| pos := w.WriteVersion(tbl.RVersion()) | ||
| if _, err := tbl.obj.MarshalROOT(w); err != nil { | ||
| return 0, err | ||
| } | ||
|
|
||
| w.WriteI32(tbl.size) | ||
| { | ||
| var obj root.Object | ||
| if tbl.parents != nil { | ||
| obj = tbl.parents | ||
| } | ||
| if err := w.WriteObjectAny(obj); err != nil { | ||
| return 0, err | ||
| } | ||
| } | ||
| { | ||
| var obj root.Object | ||
| if tbl.owner != nil { | ||
| obj = tbl.owner | ||
| } | ||
| if err := w.WriteObjectAny(obj); err != nil { | ||
| return 0, err | ||
| } | ||
| } | ||
| w.WriteStdVectorStrs(tbl.guids) | ||
|
|
||
| return w.SetByteCount(pos, tbl.Class()) | ||
| } | ||
|
|
||
| func (tbl *RefTable) UnmarshalROOT(r *rbytes.RBuffer) error { | ||
| if r.Err() != nil { | ||
| return r.Err() | ||
| } | ||
|
|
||
| beg := r.Pos() | ||
|
|
||
| vers, pos, bcnt := r.ReadVersion(tbl.Class()) | ||
|
|
||
| if vers < 3 { | ||
| return fmt.Errorf("rcont: TRefTable version too old (%d < 3)", vers) | ||
| } | ||
|
|
||
| if err := tbl.obj.UnmarshalROOT(r); err != nil { | ||
| return err | ||
| } | ||
|
|
||
| tbl.size = r.ReadI32() | ||
| { | ||
| obj := r.ReadObjectAny() | ||
| tbl.parents = nil | ||
| if obj != nil { | ||
| tbl.parents = obj.(*ObjArray) | ||
| } | ||
| } | ||
| { | ||
| obj := r.ReadObjectAny() | ||
| tbl.owner = nil | ||
| if obj != nil { | ||
| tbl.owner = obj | ||
| } | ||
| } | ||
| r.ReadStdVectorStrs(&tbl.guids) | ||
|
|
||
| r.CheckByteCount(pos, bcnt, beg, tbl.Class()) | ||
| return r.Err() | ||
| } | ||
|
|
||
| func init() { | ||
| f := func() reflect.Value { | ||
| o := NewRefTable(nil) | ||
| return reflect.ValueOf(o) | ||
| } | ||
| rtypes.Factory.Add("TRefTable", f) | ||
| } | ||
|
|
||
| var ( | ||
| _ root.Object = (*RefTable)(nil) | ||
| _ rbytes.Marshaler = (*RefTable)(nil) | ||
| _ rbytes.Unmarshaler = (*RefTable)(nil) | ||
| ) |
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