Tabpane shortcodes: improved reporting of warnings and errors

layouts/shortcodes/blocks/lead.html

@@ -2,7 +2,7 @@
 {{ $height := .Get "height" | default "auto" -}}
 {{ with .Get "height" -}}
   {{ if not ( or ( eq . "auto" ) ( eq . "min" ) ( eq . "med" ) ( eq . "max" ) ( eq . "full" ) ) -}}
-    {{ errorf "shortcode 'lead': parameter height is '%s', must be one of 'auto', 'min', 'med', 'max' or 'full'." . -}}
+    {{ errorf "shortcode 'lead': parameter height is %q, must be one of 'auto', 'min', 'med', 'max' or 'full'." . -}}
   {{ end -}}
 {{ end -}}
 

layouts/shortcodes/imgproc.html

@@ -1,17 +1,17 @@
-{{ $original := .Page.Resources.GetMatch (printf "**%s*" (.Get 0)) }}
-{{ $command := .Get 1 }}
-{{ $options := .Get 2 }}
-{{ if eq $command "Fit"}}
-{{ .Scratch.Set "image" ($original.Fit $options) }}
-{{ else if eq $command "Resize"}}
-{{ .Scratch.Set "image" ($original.Resize $options) }}
-{{ else if eq $command "Fill"}}
-{{ .Scratch.Set "image" ($original.Fill $options) }}
-{{ else if eq $command "Crop"}}
-{{ .Scratch.Set "image" ($original.Crop $options) }}
-{{ else }}
-{{ errorf "Invalid image processing command: Must be one of Fit, Fill, Crop or Resize."}}
-{{ end }}
+{{ $original := .Page.Resources.GetMatch (printf "**%s*" (.Get 0)) -}}
+{{ $command := .Get 1 -}}
+{{ $options := .Get 2 -}}
+{{ if eq $command "Fit" -}}
+{{ .Scratch.Set "image" ($original.Fit $options) -}}
+{{ else if eq $command "Resize" -}}
+{{ .Scratch.Set "image" ($original.Resize $options) -}}
+{{ else if eq $command "Fill" -}}
+{{ .Scratch.Set "image" ($original.Fill $options) -}}
+{{ else if eq $command "Crop" -}}
+{{ .Scratch.Set "image" ($original.Crop $options) -}}
+{{ else -}}
+{{ errorf "Invalid image processing command %q: must be one of Fit, Fill, Crop or Resize." $command -}}
+{{ end -}}
 {{ $image := .Scratch.Get "image" }}
 <figure class="card rounded p-2 td-post-card mb-4 mt-4" style="max-width: {{ add $image.Width 10 }}px">
 	<img class="card-img-top" src="{{ $image.RelPermalink }}" width="{{ $image.Width }}" height="{{ $image.Height }}">

layouts/shortcodes/tab.html

@@ -1,8 +1,11 @@
 {{- /* Make sure that we are enclosed within a tabpane shortcode block */ -}}
+
 {{ with $.Parent -}}
-{{ if ne $.Parent.Name "tabpane" -}}
-    {{ errorf "shortcode 'tab' must be used within a 'tabpane' block" -}}
+  {{ if ne $.Parent.Name "tabpane" -}}
+    {{ errorf "Found shortcode %q enclosed inside a %q block, must be enclosed inside a %q block. Error position: %s" $.Name $.Parent.Name "tabpane" $.Position  -}}
   {{ end -}}
+{{ else -}}
+  {{ errorf "shortcode %q must be enclosed inside a %q block, but no parent block was found. Error position: %s" $.Name "tabpane" $.Position  -}}
 {{ end -}}
 
 {{ $header := "Tab" -}}
@@ -23,19 +26,19 @@
 {{ end -}}
 {{ with $.Get "text" -}}
   {{ if ne ( printf "%T" . ) "bool" -}}
-  {{ errorf "shortcode tab: parameter 'text' must be either true or false" -}}
+    {{ errorf "Shortcode %q: boolean value expected for parameter %q, but got %s. Error position: %s" $.Name "text" (printf "%T" .) $.Position  -}}
   {{ end -}}
   {{ $tab = merge $tab (dict "text" ($.Get "text")) -}}
 {{ end -}}
 {{ with $.Get "right" -}}
   {{ if ne ( printf "%T" . ) "bool" -}}
-  {{ errorf "shortcode tab: parameter 'right' must be either true or false" -}}
+    {{ errorf "Shortcode %q: boolean value expected for parameter %q, but got %s. Error position: %s" $.Name "right" (printf "%T" .) $.Position  -}}
   {{ end -}}
   {{ $tab = merge $tab (dict "rightpush" ($.Get "right")) -}}
 {{ end -}}
 {{ with $.Get "disabled" -}}
   {{ if ne ( printf "%T" . ) "bool" -}}
-  {{ errorf "shortcode tab: parameter 'disabled' must be either true or false" -}}
+    {{ errorf "Shortcode %q: boolean value expected for parameter %q, but got %s. Error position: %s" $.Name "disabled" (printf "%T" .) $.Position  -}}
   {{ end -}}
   {{ $tab = merge $tab (dict "disabled" ($.Get "disabled")) -}}
 {{ end -}}

layouts/shortcodes/tabpane.html

@@ -1,25 +1,25 @@
 {{/* Check parameter types */ -}}
 {{ with .Get "langEqualsHeader" -}}
-  {{ if ne ( printf "%T" . ) "bool" -}}
-    {{ errorf "shortcode tabpane: parameter 'langEqualsHeader' must be either true or false" -}}
+  {{ if ne ( printf "%T" . )  "bool" -}}
+    {{ errorf "Shortcode %q: boolean value expected for parameter %q, but got %s. Error position: %s" $.Name "langEqualsHeader" (printf "%T" .) $.Position  -}}
   {{ end -}}
 {{ end -}}
 
 {{ with .Get "text" -}}
   {{ if ne ( printf "%T" . ) "bool" -}}
-    {{ errorf "shortcode tabpane: parameter 'text' must be either true or false" -}}
+    {{ errorf "Shortcode %q: boolean value expected for parameter %q, but got %s. Error position: %s" $.Name "text" (printf "%T" .) $.Position  -}}
   {{ end -}}
 {{ end -}}
 
 {{ with .Get "persistLang" -}}
   {{ if ne ( printf "%T" . ) "bool" -}}
-    {{ errorf "shortcode tabpane: parameter 'persistLang' must be either true or false" -}}
+    {{ errorf "Shortcode %q: boolean value expected for parameter %q, but got %s. Error position: %s" $.Name "persistLang" (printf "%T" .) $.Position  -}}
   {{ end -}}
 {{ end -}}
 
 {{ with .Get "right" -}}
   {{ if ne ( printf "%T" . ) "bool" -}}
-    {{ errorf "shortcode tabpane: parameter 'right' must be either true or false" -}}
+    {{ errorf "Shortcode %q: boolean value expected for parameter %q, but got %s. Error position: %s" $.Name "right" (printf "%T" .) $.Position  -}}
   {{ end -}}
 {{ end -}}
 
@@ -101,7 +101,7 @@
 </ul>
 
 {{ if $duplicate -}}
-  {{ warnf "Tabpane on page '%s': duplicate language '%s' detected, disabling persistance of language to avoid multiple tab display." .Page.RelPermalink $duplicateLang  -}}
+  {{ warnf "Shortcode %q: duplicate language %q detected, disabling persistance of language to avoid multiple tab display. Position: %s" $.Name $duplicateLang $.Position -}}
 {{ end -}}
 {{ $duplicate = false -}}
 {{ $langs = slice -}}