fix shortcodes

layouts/shortcodes/readfile.html

@@ -0,0 +1,41 @@
+{{/* 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 }}
+    {{- $.Scratch.Get "filepath" | os.ReadFile | .Page.RenderString | safeHTML -}}
+  {{ 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 }}