blob: 667b12c2cc46a8f28579f04921d117892ad69b63 (
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{{ $headers := findRE "<h[1-4].*?>(.|\n])+?</h[1-4]>" .Content }}
<!-- at least one header to link to -->
{{ if ge (len $headers) 1 }}
<div class="toc-content">
<!-- ignore empty links with + -->
{{ $h1_n := len (findRE "(.|\n])+?" .Content) }}
{{ $re := (cond (eq $h1_n 0) "<h[2-4]" "<h[1-4]") }}
{{ $renum := (cond (eq $h1_n 0) "[2-4]" "[1-4]") }}
<center>- {{ i18n "toc_title" }} -</center>
{{ $scratch := newScratch }}
{{ $scratch.Set "prev_heading" 1 }}
<ul>
{{ range $headers }}
{{ $header := . }}
{{ range first 1 (findRE $re $header 1) }}
{{ range findRE $renum . 1 }}
{{ $next_heading := (cond (eq $h1_n 0) (sub (int .) 1 ) (int . ) ) }}
{{ $prev_heading := $scratch.Get "prev_heading"}}
{{ if lt $next_heading $prev_heading }}
{{ range seq (sub $prev_heading $next_heading) }}
</ul>
{{ end }}
{{ end }}
{{ if gt $next_heading $prev_heading }}
{{ range seq (sub $next_heading $prev_heading) }}
<ul class="collapse" data-toggle="collapse">
{{ end }}
{{ end }}
{{ $anchorId := (replaceRE ".* id=\"(.*?)\".*" "$1" $header ) }}
<li>
<a href="#{{ $anchorId }}" onclick="collapseOthers(`#{{ $anchorId | safeJS}}-nav`)" id="{{ $anchorId }}-nav">
{{ $header | plainify | htmlUnescape }}
</a>
</li>
{{ $scratch.Set "prev_heading" $next_heading }}
{{ end }}
{{ end }}
{{ end }}
</ul>
</div>
{{ end }}
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