From a73aca8ed9c16915928206bad6fa0ccf4e9b2b8b Mon Sep 17 00:00:00 2001
From: Jacky Zhao <j.zhao2k19@gmail.com>
Date: Sun, 05 Feb 2023 18:39:58 +0000
Subject: [PATCH] feat: switch from GA to Plausible for analytics

---
 layouts/partials/textprocessing.html |  156 +++++++++++++++++++++++++++++++++++++++++++--------
 1 files changed, 131 insertions(+), 25 deletions(-)

diff --git a/layouts/partials/textprocessing.html b/layouts/partials/textprocessing.html
index 2312aa4..c918247 100644
--- a/layouts/partials/textprocessing.html
+++ b/layouts/partials/textprocessing.html
@@ -3,9 +3,9 @@
 {{ $page := .Page }}
 
 {{/* Escape slashes for Latex to fix line breaks */}}
-{{$latex := findRE "\\$\\$([^\\$]+)\\$\\$" $content}}
+{{$latex := findRE "(?:\\${2}([^\\$]+)\\${2})|(?:\\$([^\\$]*)\\$)" $content}}
 {{range $latex}}
-  {{$fixed := replaceRE "\\\\(?: +|\\n)" "\\\\" .}}
+  {{$fixed := replaceRE "\\\\(?: +|\\n)" "\\\\ " .}}
   {{$content = replace $content . $fixed}}
 {{end}}
 
@@ -14,6 +14,7 @@
 {{$codefences := $raw | findRE "\\x60[^\\x60\\n]+\\x60"}}
 {{$codeblocks := $raw | findRE "\\x60{3}[^\\x60]+\\x60{3}"}}
 {{$code := union $codefences $codeblocks}}
+
 {{range $wikilinks}}
   {{$cur := .}}
   {{$incode := false}}
@@ -22,35 +23,140 @@
       {{$incode = true}}
     {{end}}
   {{end}}
+
   {{if not $incode}}
-    {{if (hasPrefix . "!")}}
-      {{$inner := . | strings.TrimPrefix "![[" | strings.TrimSuffix "]]" }}
-      {{$split := split $inner "|"}}
-      {{$path := index $split 0 | relURL}}
-      {{$reference := split $path "#"}}
-      {{$title := index $reference 0}}
-      {{$display := default $title (index $split 1)}}
-      {{$img := printf "<img src=\"%s\" title=\"%s\">" $path $display}}
-      {{$content = replace $content . $img}}
-    {{else}}
-      {{$inner := . | strings.TrimPrefix "[[" | strings.TrimSuffix "]]" }}
-      {{$split := split $inner "|"}}
-      {{$path := index $split 0}}
-      {{$reference := split $path "#"}}
-      {{$title := index $reference 0}}
+
+    <!-- remove link delimiters -->
+    {{$inner := . | strings.TrimPrefix "!" | strings.TrimPrefix "[[" | strings.TrimSuffix "]]" }}
+    <!-- split from alias -->
+    {{$split := split $inner "|"}}
+    <!-- separate link path -->
+    {{$path := index $split 0}}
+
+    {{$reference := split $path "#"}}
+    <!-- path with heading link removed -->
+    {{$title := index $reference 0}}
+    <!-- $display is hyperlink display text -->
+    <!-- use alias, else title -->
+    {{$display := default $title (index $split 1)}}
+    <!-- remove subfolder from title -->
+    {{$display := index (last 1 (split $display "/")) 0}}
+
+    <!-- attempt to get title -->
+    {{$searchtitle := $title }}
+    {{$curpage := $page.GetPage $searchtitle }}
+    <!-- attempt to search md file instead  -->
+    {{ if (eq $curpage.String "nopPage") }}
+      {{$searchtitle = (add $title ".md") }}
+      {{$curpage = $page.GetPage $searchtitle }}
+    {{ end }}
+    <!-- attempt to reverse typographer behaviour  -->
+    {{ if (eq $curpage.String "nopPage") }}
+      {{$searchtitle = (replace $searchtitle "&amp;" "&") }}
+      {{$searchtitle = (replace $searchtitle "&quot;" "\"") }}
+      {{$searchtitle = (replace $searchtitle "&rdquo;" "\"") }}
+      {{$searchtitle = (replace $searchtitle "&ldquo;" "\"") }}
+      {{$searchtitle = (replace $searchtitle "&rsquo;" "'") }}
+      {{$searchtitle = (replace $searchtitle "&lsquo;" "'") }}
+      {{$curpage = $page.GetPage $searchtitle }}
+    {{ end }}
+    {{$relpath := relURL $path}}
+
+    <!-- If path to Hugo page -->
+    {{if not (eq $curpage.String "nopPage") }}
       {{$block := default "" (index $reference 1)}}
-      {{$block = strings.TrimRight "/" (cond (eq $block "") $block (printf "#%s" $block))}}
-      {{$href := strings.TrimRight "/" ($page.GetPage $title).RelPermalink}}
-      {{$display := default $title (index $split 1)}}
-      {{if not $href}}
-        {{$link := printf "<a class=\"internal-link broken\">%s</a>" $display}}
-        {{$content = replace $content . $link}}
+      {{$block = strings.TrimRight "/" (cond (eq $block "") $block (printf "#%s" $block)) | urlize | lower}}
+      {{$href := strings.TrimRight "/" $curpage.RelPermalink}}
+      {{$link := printf "<a href=\"%s%s\" rel=\"noopener\" class=\"internal-link\" data-src=\"%s\">%s</a>" $href $block $href $display}}
+      {{$content = replace $content . $link}}
+    <!-- If path to existing file -->
+    {{else if fileExists $relpath}}
+      {{$splitpath := split $relpath "/"}}
+      {{$dirname := first (sub (len $splitpath) 1) $splitpath | path.Join | urlize}}
+      {{$basename := index (last 1 $splitpath) 0}}
+      {{$href := printf "/%s/%s" $dirname $basename}}
+      <!-- Embedded? -->
+      {{if (hasPrefix . "!")}}
+        {{ $embed_ext := lower (path.Ext $href) }}
+        <!-- Image -->
+        {{if in ".png .jpg .jpeg .gif .bmp .svg" $embed_ext }}
+          {{$width := default "auto" (index $split 1) }}
+          {{$link := printf "<img src=\"%s\" width=\"%s\" />" $href $width}}
+          {{$content = replace $content . $link}}
+        <!-- Video -->
+        {{else if in ".mp4 .webm .ogv .mov .mkv" $embed_ext}}
+          {{$link := printf "<video src=\"%s\" style=\"width: -webkit-fill-available;\" controls></video>" $href}}
+          {{$content = replace $content . $link}}
+        <!-- Audio -->
+        {{else if in ".mp3 .webm .wav .m4a .ogg .3gp .flac" $embed_ext}}
+          {{$link := printf "<audio src=\"%s\" controls></audio>" $href}}
+          {{$content = replace $content . $link}}
+        <!-- PDF -->
+        {{else if in ".pdf" $embed_ext }}
+          {{$src_link := printf "<a href=\"%s\" rel=\"noopener\" class=\"internal-link\">[source]</a>" $href}}
+          {{$iframe_link := printf "<iframe src=\"%s\" style=\"height: -webkit-fill-available; width: -webkit-fill-available;\"></iframe>" $href}}
+          {{$link := printf "%s<br>%s" $src_link $iframe_link}}
+          {{$content = replace $content . $link}}
+        <!-- other -->
+        {{else}}
+          {{$link := printf "<a href=\"%s\" rel=\"noopener\" class=\"internal-link\">%s</a>" $href $href}}
+          {{$content = replace $content . $link}}
+        {{end}}
       {{else}}
-        {{$fullhref := printf "%s%s" $href $block }}
-        {{$link := printf "<a href=\"%s\" rel=\"noopener\" class=\"internal-link\" data-src=\"%s\">%s</a>" $fullhref $href $display}}
+        {{$link := printf "<a href=\"%s\" rel=\"noopener\" class=\"internal-link\">%s</a>" $href $display}}
         {{$content = replace $content . $link}}
       {{end}}
+    <!-- Broken path -->
+    {{else}}
+      {{$link := printf "<a class=\"internal-link broken\">%s</a>" $display}}
+      {{$content = replace $content . $link}}
     {{end}}
+
   {{end}}
 {{end}}
+
+{{/* Add jumpable anchors */}}
+{{ $content = $content | replaceRE "(<h[1-9] id=\"([^\"]+)\">)(.+)(</h[1-9]>)" `<a href="#${2}">${1}<span class="hanchor" ariaLabel="Anchor"># </span>${3}${4}</a>` }}
+
+{{/* Callouts */}}
+{{if $.Site.Data.config.enableCallouts}}
+  {{ $content = $content | replaceRE "<blockquote>" "<blockquote class=callout>" }}
+  {{ $blockquoteclasses := findRE `\[!.+\]` $content }}
+  {{ $blockquoteclasses1 := findRE "<blockquote.*?>(.|\n)*?</blockquote>" $content }}
+  {{ $blockquotetags := findRE `blockquote class=callout` $content }}
+  {{ $counter := 0 }}
+  {{ $counter1 := 0 }}
+  {{ $finder := index $blockquoteclasses1 $counter }}
+  {{range $blockquotetags}}
+    {{ $finder = index $blockquoteclasses1 $counter }}
+    {{ if (in $finder "[!") }}
+      {{ $inner := index $blockquoteclasses $counter1 }}
+      {{ if (in $finder "]-") }}
+        {{ $inner = $inner | replaceRE `\[!([a-zA-Z]+)\]` `callout-collapsible callout-collapsed ${1}`}}
+      {{ else if (in $finder "]+") }}
+        {{ $inner = $inner | replaceRE `\[!([a-zA-Z]+)\]` `callout-collapsible ${1}`}}
+      {{ else}}
+        {{ $inner = $inner | replaceRE `\[!([a-zA-Z]+)\]` `${1}` }}
+      {{ end }}
+      {{ $inner = printf "blockquote class=\"%s-callout\"" $inner | lower}}
+      {{ $content = replace $content . $inner 1}}
+      {{ $counter1 = add $counter1 1 }}
+    {{ else }}
+      {{ $inner := print "blockquote" }}
+      {{ $content = replace $content . $inner 1}}
+    {{ end }}
+    {{ $counter = add $counter 1 }}
+  {{end}}
+  {{ $content = $content | replaceRE `\[![a-zA-Z]+\][-\+]?` "" }}
+  {{ $content = $content | replaceRE "blockquote class=callout" "blockquote" }}
+  {{ $content = $content | replaceRE `(?s)(<blockquote class="\S+-callout">.*?)<br>(.*?<\/blockquote)` `${1}</p><p>${2}` }}
+{{end}}
+
+{{/* Make ==text== into <mark>text</mark> */}}
+{{$mark := findRE "==([^=\n]+)==" $content}}
+{{range $mark}}
+  {{$fixed := printf "<mark>%s</mark>" (replace . "==" "")}}
+  {{$content = replace $content . $fixed}}
+{{end}}
+
 {{ $content | safeHTML }}

--
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