func (sg *SubGraph) Dotty(labels *digraph.Labels, highlightVertices, highlightEdges map[int]bool) string {
V := make([]string, 0, len(sg.V))
E := make([]string, 0, len(sg.E))
for vidx, v := range sg.V {
highlight := ""
if highlightVertices[vidx] {
highlight = " color=red"
}
V = append(V, fmt.Sprintf(
"n%v [label=\"%v\"%v];",
vidx,
labels.Label(v.Color),
highlight,
))
}
for eidx, e := range sg.E {
highlight := ""
if highlightEdges[eidx] {
highlight = " color=red"
}
E = append(E, fmt.Sprintf(
"n%v->n%v [label=\"%v\"%v]",
e.Src,
e.Targ,
labels.Label(e.Color),
highlight,
))
}
return fmt.Sprintf("digraph{\n%v\n%v\n}", strings.Join(V, "\n"), strings.Join(E, "\n"))
}
func (emb *Embedding) Dotty(labels *digraph.Labels, attrs map[int]map[string]interface{}) string {
V := make([]string, 0, len(emb.SG.V))
E := make([]string, 0, len(emb.SG.E))
// TODO: Replace this with strconv.Quote
safeStr := func(i interface{}) string {
s := fmt.Sprint(i)
s = strings.Replace(s, "\n", "\\n", -1)
s = strings.Replace(s, "\"", "\\\"", -1)
return s
}
renderAttrs := func(color, id int) string {
a := attrs[id]
label := labels.Label(color)
strs := make([]string, 0, len(a)+1)
strs = append(strs, fmt.Sprintf(`idx="%v"`, id))
if line, has := a["start_line"]; has {
strs = append(strs, fmt.Sprintf(`label="%v\n[line: %v]"`, safeStr(label), safeStr(line)))
} else {
strs = append(strs, fmt.Sprintf(`label="%v"`, safeStr(label)))
}
for name, value := range a {
if name == "label" || name == "id" {
continue
}
strs = append(strs, fmt.Sprintf("%v=\"%v\"", name, safeStr(value)))
}
return strings.Join(strs, ",")
}
for idx, id := range emb.Ids {
V = append(V, fmt.Sprintf(
"%v [%v];",
id,
renderAttrs(emb.SG.V[idx].Color, id),
))
}
for idx := range emb.SG.E {
e := &emb.SG.E[idx]
E = append(E, fmt.Sprintf(
"%v -> %v [label=\"%v\"];",
emb.Ids[e.Src],
emb.Ids[e.Targ],
safeStr(labels.Label(e.Color)),
))
}
return fmt.Sprintf(
`digraph {
%v
%v
}
`, strings.Join(V, "\n "), strings.Join(E, "\n "))
}
func (sg *SubGraph) Pretty(labels *digraph.Labels) string {
V := make([]string, 0, len(sg.V))
E := make([]string, 0, len(sg.E))
for _, v := range sg.V {
V = append(V, fmt.Sprintf(
"(%v)",
labels.Label(v.Color),
))
}
for _, e := range sg.E {
E = append(E, fmt.Sprintf(
"[%v->%v:%v]",
e.Src,
e.Targ,
labels.Label(e.Color),
))
}
return fmt.Sprintf("{%v:%v}%v%v", len(sg.E), len(sg.V), strings.Join(V, ""), strings.Join(E, ""))
}