{{ $page := .Page }}
{{ $file := .Get "file" }}
{{ $anchor := .Get "anchor" }}
{{ $codelang := .Get "language" | default (path.Ext $file | strings.TrimPrefix ".") }}

{{ $filename := $file }}
{{ if not (hasPrefix $filename "/") }}
{{ $filename = path.Join $page.Path $file }}
{{ end }}
{{ $filename = safeURL $filename }}

{{ $resource := readFile $filename}}

{{ with $resource }}
  {{ if eq $anchor "true" }}
  <h6 id="{{ $file | anchorize }}">{{ $file }}
    <a class="anchor" href="#{{ $file | anchorize }}">#</a>
  </h6>
  {{ end }}
  <div class="highlight">
      {{- highlight . $codelang "" -}}
  </div>
{{ else }}
  {{ errorf "%q not found" $filename }}
{{- end -}}