{{ $gh_repo := (.Site.Params.github_repo) -}}
{{ $gh_docs := (printf "%s/tree/%s/docs/" $gh_repo $.Site.Params.version) -}}
{{ $gh_examples := (printf "%s/tree/%s/examples/" $gh_repo $.Site.Params.version) -}}

{{/* Store ordinal, to be retrieved by parent element */}}
{{ if ge hugo.Version "0.93.0" }}

{{ .Page.Store.Add "Ordinal" 1 }}
{{ end }}

{{/* Handle the "file" named parameter or a single unnamed parameter as the file
path */}}
{{ if .IsNamedParams }}
{{ $.Scratch.Set "fparameter" ( .Get "file" ) }}
{{ else }}
{{ $.Scratch.Set "fparameter" ( .Get 0 ) }}
{{ end }}


{{/* If the first character is "/", the path is absolute from the site's
`baseURL`. Otherwise, construct an absolute path using the current directory */}}

{{ if eq (.Scratch.Get "fparameter" | printf "%.1s") "/" }}
{{ $.Scratch.Set "filepath" ($.Scratch.Get "fparameter") }}
{{ else }}
{{ $.Scratch.Set "filepath" "/" }}
{{ $.Scratch.Add "filepath" $.Page.File.Dir }}
{{ $.Scratch.Add "filepath" ($.Scratch.Get "fparameter") }}
{{ end }}


{{/* If the file exists, read it and highlight it if it's code.
Throw a compile error or print an error on the page if the file is not found */}}

{{ if fileExists ($.Scratch.Get "filepath") }}
{{ if eq (.Get "code") "true" }}
{{- highlight ($.Scratch.Get "filepath" | readFile | htmlUnescape |
safeHTML ) (.Get "lang") "" -}}
{{ else }}
{{ $file_content := ($.Scratch.Get "filepath" | os.ReadFile) }}
{{ $file_content = replace $file_content "../docs/" $gh_docs }}
{{- replace $file_content "./" $gh_examples -}}
{{ end }}
{{ else if eq (.Get "draft") "true" }}

<p style="color: #D74848"><b><i>The file <code>{{ $.Scratch.Get "filepath" }}</code> was not found.</i></b></p>

{{ else }}{{- errorf "Shortcode %q: file %q not found at %s" .Name ($.Scratch.Get "filepath") .Position -}}{{ end }}