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Original file line number | Diff line number | Diff line change |
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<div class="toc"> | ||
<details {{if (.Param "TocOpen") }} open{{ end }}> | ||
<summary accesskey="c" title="(Alt + C)"> | ||
<div class="details">{{ .Title }}</div> | ||
</summary> | ||
<div class="inner"> | ||
{{- $headers := findRE "<h[1-6].*?>(.|\n])+?</h[1-6]>" .Content -}} | ||
{{- $has_headers := ge (len $headers) 1 -}} | ||
{{- if $has_headers -}} | ||
|
||
{{- $largest := 6 -}} | ||
{{- range $headers -}} | ||
{{- $headerLevel := index (findRE "[1-6]" . 1) 0 -}} | ||
{{- $headerLevel := len (seq $headerLevel) -}} | ||
{{- if lt $headerLevel $largest -}} | ||
{{- $largest = $headerLevel -}} | ||
{{- end -}} | ||
{{- end -}} | ||
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||
{{- $firstHeaderLevel := len (seq (index (findRE "[1-6]" (index $headers 0) 1) 0)) -}} | ||
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||
{{- $.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) -}} | ||
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||
{{/* get id="xyz" */}} | ||
{{- $id := index (findRE "(id=\"(.*?)\")" $header 9) 0 }} | ||
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||
{{- /* 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 -}} | ||
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||
{{- 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> |