blog-static/themes/vanilla/layouts/shortcodes/codelines.html

{{ $source := (readFile (printf "code/%s" (.Get 1))) }}
{{ $allLines := split $source "\n" }}
{{ if not (eq (int (.Get 2)) 1) }}
{{ .Scratch.Set "remLines" (after (sub (int (.Get 2)) 1) $allLines) }}
{{ else }}
{{ .Scratch.Set "remLines" $allLines }}
{{ end }}
{{ $lines := first (add (sub (int (.Get 3)) (int (.Get 2))) 1) (.Scratch.Get "remLines") }}

{{ if (.Get 4) }}
{{ .Scratch.Set "opts" (printf ",%s" (.Get 4)) }}
{{ else }}
{{ .Scratch.Set "opts" "" }}
{{ end }}

{{ .Scratch.Set "bestLength" -1 }}
{{ .Scratch.Set "bestUrl" (printf "https://dev.danilafe.com/Web-Projects/blog-static/src/branch/master/code/%s" (.Get 1)) }}
{{ $filePath := (.Get 1) }}
{{ $scratch := .Scratch }}
{{ range $module, $props := .Site.Params.submoduleLinks }}
{{ $path := index $props "path" }}
{{ $bestLength := $scratch.Get "bestLength" }}
{{ if and (le $bestLength (len $path)) (hasPrefix $filePath $path) }}
{{ $scratch.Set "bestLength" (len $path) }}
{{ $scratch.Set "bestUrl" (printf "%s%s" (index $props "url") (strings.TrimPrefix $path $filePath)) }}
{{ end }}
{{ end }}
<div class="highlight-group">
    <div class="highlight-label">From <a href="{{ .Scratch.Get "bestUrl" }}">{{ path.Base (.Get 1) }}</a>,
        {{ if eq (.Get 2) (.Get 3) }}line {{ .Get 2 }}{{ else }} lines {{ .Get 2 }} through {{ .Get 3 }}{{ end }}</div>
    {{ highlight (delimit $lines "\n") (.Get 0) (printf "linenos=table,linenostart=%d%s" (.Get 2) (.Scratch.Get "opts")) }}
</div>