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-rw-r--r--layouts/_default/single.gmi26
1 files changed, 26 insertions, 0 deletions
diff --git a/layouts/_default/single.gmi b/layouts/_default/single.gmi
index f1218a4..cb834df 100644
--- a/layouts/_default/single.gmi
+++ b/layouts/_default/single.gmi
@@ -9,7 +9,11 @@
# {{ .Name | safeHTML }}
{{ $content := .RawContent }}
{{- $scratch := newScratch }}
+
+{{/*- split text into chunks, with each chunk containing 3 parts: above, within, and below preformatted text */}}
+{{/*- the regex matching below the preformatted text matches exactly once in the entire text */}}
{{- $chunks := findRESubmatch `(?sm)(?:(.+?)(^\x60{3}[^\x60].*?^\x60{3}$))|(.+$)` $content }}
+
{{- $ref_index := 0 }}
{{- range $chunks }}
@@ -17,26 +21,44 @@
{{- $pre := index . 2 }}
{{- $below_pre := index . 3 }}
+ {{/*- mux regex matches above and below preformatted text for rendering (the matches are mutually exclusive) */}}
{{- $rendered_text := print $above_pre $below_pre }}
{{- if ($.Page.Params.makerefs | default true) }}
+
+ {{/*- find all the links within a chunk */}}
{{- $chunk_refs := findRESubmatch `!?\[\s*(.+?)\s*\]\(\s*(.+?)(?:\s+"(.+?)")?\s*\)` $rendered_text }}
+
{{- $scratch.Add "refs" $chunk_refs }}
{{- range $chunk_refs }}
{{- $ref_index = add $ref_index 1 }}
{{- $ref_text := index . 1 }}
+
+ {{/*- replace link with reference numbers enclosed in brackets */}}
{{- $rendered_text = replace $rendered_text (index . 0) (print $ref_text "[" $ref_index "]") 1 }}
+
{{- end }}
{{- else }}
+
+ {{/*- render all links directly */}}
{{- $rendered_text = $rendered_text | replaceRE `(?m)^!?\[\s*(.+?)\s*\]\(\s*(.+?)(?:\s+"(.+?)")?\s*\)$` (print "=> $2 " $emoji "$1") }}
+
{{- end }}
+
+ {{/*- trim extra heading symbols */}}
{{- $rendered_text = $rendered_text | replaceRE `(?m)^####{1,3}` "###" }}
+
+ {{/*- remove bold and italics asterisk symbols */}}
{{- $rendered_text = $rendered_text | replaceRE `\*{3}(\S|\S.*?\S)\*{3}` "$1" }}
{{- $rendered_text = $rendered_text | replaceRE `\*{2}(\S|\S.*?\S)\*{2}` "$1" }}
{{- $rendered_text = $rendered_text | replaceRE `\*{1}(\S|\S.*?\S)\*{1}` "$1" }}
+
+ {{/*- convert alternative unordered lists symbols to asterisks */}}
{{- $rendered_text = $rendered_text | replaceRE `(?m)^[-+] ` "* " }}
+
{{- $rendered_text = $rendered_text | emojify }}
+ {{/*- demux regex matches above and below preformatted text */}}
{{- if $above_pre }}
{{- $rendered_text | safeHTML }}
{{- $pre | safeHTML }}
@@ -44,6 +66,7 @@
{{- $pre | safeHTML }}
{{- $rendered_text | safeHTML }}
{{- end }}
+
{{- end }}
{{- $refs := $scratch.Get "refs" }}
@@ -56,7 +79,10 @@
{{- $ref_text := index . 1 }}
{{- $ref_link := index . 2 }}
{{- $ref_title := index . 3 }}
+
+{{/*- render referenced links */}}
{{ print "=> " $ref_link (emojify " :link: ") $ref_index ": " (cond (ne (len $ref_title) 0) $ref_title $ref_text) | safeHTML }}
+
{{- end }}
{{- end }}
{{- end }}