(dot []byte)
| 345 | } |
| 346 | |
| 347 | func dotToSvg(dot []byte) ([]byte, error) { |
| 348 | cmd := exec.Command("dot", "-Tsvg") |
| 349 | out := &bytes.Buffer{} |
| 350 | cmd.Stdin, cmd.Stdout, cmd.Stderr = bytes.NewBuffer(dot), out, os.Stderr |
| 351 | if err := cmd.Run(); err != nil { |
| 352 | return nil, err |
| 353 | } |
| 354 | |
| 355 | // Fix dot bug related to unquoted ampersands. |
| 356 | svg := bytes.ReplaceAll(out.Bytes(), []byte("&;"), []byte("&;")) |
| 357 | |
| 358 | // Cleanup for embedding by dropping stuff before the <svg> start. |
| 359 | if pos := bytes.Index(svg, []byte("<svg")); pos >= 0 { |
| 360 | svg = svg[pos:] |
| 361 | } |
| 362 | return svg, nil |
| 363 | } |
| 364 | |
| 365 | func (ui *webInterface) top(w http.ResponseWriter, req *http.Request) { |
| 366 | rpt, errList := ui.makeReport(w, req, []string{"top"}, func(cfg *config) { |
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