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authorIndrajith K L2022-03-19 16:54:23 +0530
committerIndrajith K L2022-03-19 16:54:23 +0530
commit29fcd231e3da9b33c237886f3c1bb30a557ad641 (patch)
tree8eba56550b35938e7c445c9ed6d9005c14036666 /themes/PaperMod/layouts/partials/toc.html
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Initial Commit
Diffstat (limited to 'themes/PaperMod/layouts/partials/toc.html')
-rw-r--r--themes/PaperMod/layouts/partials/toc.html97
1 files changed, 97 insertions, 0 deletions
diff --git a/themes/PaperMod/layouts/partials/toc.html b/themes/PaperMod/layouts/partials/toc.html
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+++ b/themes/PaperMod/layouts/partials/toc.html
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+{{- $headers := findRE "<h[1-6].*?>(.|\n])+?</h[1-6]>" .Content -}}
+{{- $has_headers := ge (len $headers) 1 -}}
+{{- if $has_headers -}}
+<div class="toc">
+ <details {{if (.Param "TocOpen") }} open{{ end }}>
+ <summary accesskey="c" title="(Alt + C)">
+ <span class="details">{{- i18n "toc" | default "Table of Contents" }}</span>
+ </summary>
+
+ <div class="inner">
+ {{- if (.Param "UseHugoToc") }}
+ {{- .TableOfContents -}}
+ {{- else }}
+ {{- $largest := 6 -}}
+ {{- range $headers -}}
+ {{- $headerLevel := index (findRE "[1-6]" . 1) 0 -}}
+ {{- $headerLevel := len (seq $headerLevel) -}}
+ {{- if lt $headerLevel $largest -}}
+ {{- $largest = $headerLevel -}}
+ {{- end -}}
+ {{- end -}}
+
+ {{- $firstHeaderLevel := len (seq (index (findRE "[1-6]" (index $headers 0) 1) 0)) -}}
+
+ {{- $.Scratch.Set "bareul" slice -}}
+ <ul>
+ {{- range seq (sub $firstHeaderLevel $largest) -}}
+ <ul>
+ {{- $.Scratch.Add "bareul" (sub (add $largest .) 1) -}}
+ {{- end -}}
+ {{- range $i, $header := $headers -}}
+ {{- $headerLevel := index (findRE "[1-6]" . 1) 0 -}}
+ {{- $headerLevel := len (seq $headerLevel) -}}
+
+ {{/* get id="xyz" */}}
+ {{- $id := index (findRE "(id=\"(.*?)\")" $header 9) 0 }}
+
+ {{- /* strip id="" to leave xyz, no way to get regex capturing groups in hugo */ -}}
+ {{- $cleanedID := replace (replace $id "id=\"" "") "\"" "" }}
+ {{- $header := replaceRE "<h[1-6].*?>((.|\n])+?)</h[1-6]>" "$1" $header -}}
+
+ {{- if ne $i 0 -}}
+ {{- $prevHeaderLevel := index (findRE "[1-6]" (index $headers (sub $i 1)) 1) 0 -}}
+ {{- $prevHeaderLevel := len (seq $prevHeaderLevel) -}}
+ {{- if gt $headerLevel $prevHeaderLevel -}}
+ {{- range seq $prevHeaderLevel (sub $headerLevel 1) -}}
+ <ul>
+ {{/* the first should not be recorded */}}
+ {{- if ne $prevHeaderLevel . -}}
+ {{- $.Scratch.Add "bareul" . -}}
+ {{- end -}}
+ {{- end -}}
+ {{- else -}}
+ </li>
+ {{- if lt $headerLevel $prevHeaderLevel -}}
+ {{- range seq (sub $prevHeaderLevel 1) -1 $headerLevel -}}
+ {{- if in ($.Scratch.Get "bareul") . -}}
+ </ul>
+ {{/* manually do pop item */}}
+ {{- $tmp := $.Scratch.Get "bareul" -}}
+ {{- $.Scratch.Delete "bareul" -}}
+ {{- $.Scratch.Set "bareul" slice}}
+ {{- range seq (sub (len $tmp) 1) -}}
+ {{- $.Scratch.Add "bareul" (index $tmp (sub . 1)) -}}
+ {{- end -}}
+ {{- else -}}
+ </ul>
+ </li>
+ {{- end -}}
+ {{- end -}}
+ {{- end -}}
+ {{- end }}
+ <li>
+ <a href="#{{- $cleanedID -}}" aria-label="{{- $header | plainify -}}">{{- $header | safeHTML -}}</a>
+ {{- else }}
+ <li>
+ <a href="#{{- $cleanedID -}}" aria-label="{{- $header | plainify -}}">{{- $header | safeHTML -}}</a>
+ {{- end -}}
+ {{- end -}}
+ <!-- {{- $firstHeaderLevel := len (seq (index (findRE "[1-6]" (index $headers 0) 1) 0)) -}} -->
+ {{- $firstHeaderLevel := $largest }}
+ {{- $lastHeaderLevel := len (seq (index (findRE "[1-6]" (index $headers (sub (len $headers) 1)) 1) 0)) }}
+ </li>
+ {{- range seq (sub $lastHeaderLevel $firstHeaderLevel) -}}
+ {{- if in ($.Scratch.Get "bareul") (add . $firstHeaderLevel) }}
+ </ul>
+ {{- else }}
+ </ul>
+ </li>
+ {{- end -}}
+ {{- end }}
+ </ul>
+ {{- end }}
+ </div>
+ </details>
+</div>
+{{- end }}