// RawAnchor returns and coerces n if it is an anchor node. nil will be returned
// otherwise.
func RawAnchor(n *ipb.Path_Node) *srvpb.RawAnchor {
if a := n.GetRawAnchor(); a != nil {
return a
} else if a := n.GetExpandedAnchor(); a != nil {
return &srvpb.RawAnchor{
Ticket: a.Ticket,
StartOffset: a.Span.Start.ByteOffset,
EndOffset: a.Span.End.ByteOffset,
SnippetStart: a.SnippetSpan.Start.ByteOffset,
SnippetEnd: a.SnippetSpan.End.ByteOffset,
}
}
return nil
}
// OriginalNode returns the given node's original serving node, synthesizing one
// if necessary.
func OriginalNode(n *ipb.Path_Node) (g *srvpb.Node) {
defer func() {
// Ensure serving data is consistent
sort.Sort(xrefs.ByName(g.Fact))
}()
if n.Original != nil {
return n.Original
}
// Synthesize node without original
log.Printf("WARNING: synthesizing node for %q", n.Ticket)
sn := &srvpb.Node{
Ticket: n.Ticket,
Fact: []*cpb.Fact{
{Name: facts.NodeKind, Value: []byte(n.NodeKind)},
},
}
if a := n.GetRawAnchor(); a != nil {
sn.Fact = append(sn.Fact,
&cpb.Fact{Name: facts.AnchorStart, Value: []byte(strconv.FormatInt(int64(a.StartOffset), 10))},
&cpb.Fact{Name: facts.AnchorEnd, Value: []byte(strconv.FormatInt(int64(a.EndOffset), 10))},
)
if a.SnippetStart != 0 || a.SnippetEnd != 0 {
sn.Fact = append(sn.Fact,
&cpb.Fact{Name: facts.SnippetStart, Value: []byte(strconv.FormatInt(int64(a.SnippetStart), 10))},
&cpb.Fact{Name: facts.SnippetEnd, Value: []byte(strconv.FormatInt(int64(a.SnippetEnd), 10))},
)
}
} else if a := n.GetExpandedAnchor(); a != nil {
sn.Fact = append(sn.Fact,
&cpb.Fact{Name: facts.AnchorStart, Value: []byte(strconv.FormatInt(int64(a.Span.Start.ByteOffset), 10))},
&cpb.Fact{Name: facts.AnchorEnd, Value: []byte(strconv.FormatInt(int64(a.Span.End.ByteOffset), 10))},
)
if a.SnippetSpan.Start.ByteOffset != 0 || a.SnippetSpan.End.ByteOffset != 0 {
sn.Fact = append(sn.Fact,
&cpb.Fact{Name: facts.SnippetStart, Value: []byte(strconv.FormatInt(int64(a.SnippetSpan.Start.ByteOffset), 10))},
&cpb.Fact{Name: facts.SnippetEnd, Value: []byte(strconv.FormatInt(int64(a.SnippetSpan.End.ByteOffset), 10))},
)
}
} else if f := n.GetFile(); f != nil {
if len(f.Text) > 0 {
sn.Fact = append(sn.Fact, &cpb.Fact{Name: facts.Text, Value: f.Text})
}
if f.Encoding != "" {
sn.Fact = append(sn.Fact, &cpb.Fact{Name: facts.TextEncoding, Value: []byte(f.Encoding)})
}
}
return sn
}
