{{ $class := .Get "class" -}}
{{ $newtab := .Get "newtab" | default false -}}
{{ $src := .Get "src" -}}
{{ $text := .Get "text" -}}

{{ $resource := false -}}
{{ $static := false -}}

{{ if and $src (fileExists (path.Join "/static" $src)) -}}
  {{ $static = true -}}
  {{ $src = relURL $src -}}
{{ else if $src -}}
  {{ $src = strings.TrimLeft "/" $src -}}
  {{ with resources.Get $src -}}
    {{ $resource = . -}}
  {{ end -}}
  {{ with .Page.Resources.Get $src -}}
    {{ $resource = . -}}
  {{ end -}}
{{ end -}}

{{ if $resource -}}
  {{ $src = $resource.RelPermalink -}}
{{ end -}}

{{ if not $text -}}
  {{ $text = path.Base $src -}}
{{ end -}}

{{ if not $src -}}
{{ warnf "%s shortcode number %d in \"content/%s\" is missing the \"src\" attribute." .Name .Ordinal .Page.File.Path -}}
{{ else if not (or $static $resource) -}}
{{ warnf "%s shortcode number %d in \"content/%s\" has an error in the \"src\" attribute." .Name .Ordinal .Page.File.Path -}}
{{ end -}}

<a class="file{{ with $class }} {{ . }}{{ end }}" href="{{ $src }}"{{ if $newtab }} target="_blank" rel="noopener noreferrer"{{ end }}>{{ $text }}</a>