From de7644ed839b70cb6ed6480d363d6a88336b39150dcc923ab9a475d59c008913 Mon Sep 17 00:00:00 2001
From: Nicholas Johnson <nick@nicholasjohnson.ch>
Date: Sun, 22 Jan 2023 00:00:00 +0000
Subject: Render files in chunks to ignore preformatted text

---
 TODO                        |  1 -
 layouts/_default/single.gmi | 36 ++++++++++++++++++++++++------------
 2 files changed, 24 insertions(+), 13 deletions(-)

diff --git a/TODO b/TODO
index 07d01a6..607b9e4 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,4 @@
 - fix spacing
 - add tag support
 - document "layouts/_default/single.gmi"
-- fix "layouts/_default/single.gmi" changing preformatted text
 - test internationalization
diff --git a/layouts/_default/single.gmi b/layouts/_default/single.gmi
index 09456ab..8695a9b 100644
--- a/layouts/_default/single.gmi
+++ b/layouts/_default/single.gmi
@@ -8,21 +8,33 @@
 {{ end -}}
 # {{ .Name | safeHTML }}
 {{ $content := .RawContent }}
-{{- $refs := findRE `\[.+?\]\(.+?\)` $content }}
-{{- if (.Page.Params.makerefs | default true) }}
-	{{- range $ref_index, $ref_val := $refs }}
-		{{- $ref_num := add $ref_index 1 }}
-		{{- $ref_text := $ref_val | replaceRE `\[(.+?)\]\((.+?)\)` "$1" }}
-		{{- $content = replace $content $ref_val (print $ref_text "[" $ref_num "]") 1 }}
+{{- $scratch := newScratch }}
+{{- $chunks := findRE `(?s)(.*?)(?:(?:\n|^)\x60{3}.*?\n\x60{3}(?:\n|$)|$)` $content }}
+
+{{- range $chunks }}
+	{{- $before_chunk := (. | replaceRE `(?s)(.*?)(?:(?:(?:\n|^)\x60{3}.*?\n\x60{3}(?:\n|$))|$)` "$1") }}
+	{{- $cur_chunk := $before_chunk }}
+
+	{{- $scratch.Set "refs" (findRE `\[.+?\]\(.+?\)` $cur_chunk) }}
+	{{- $refs := $scratch.Get "refs" }}
+	{{- if ($.Page.Params.makerefs | default true) }}
+		{{- range $ref_index, $ref_val := $refs }}
+			{{- $ref_num := add $ref_index 1 }}
+			{{- $ref_text := $ref_val | replaceRE `\[(.+?)\]\((.+?)\)` "$1" }}
+			{{- $cur_chunk = replace $cur_chunk $ref_val (print $ref_text "[" $ref_num "]") 1 }}
+		{{- end }}
+	{{- else }}
+		{{- $cur_chunk = $cur_chunk | replaceRE `(?m)\[(.+?)\]\((.+?)\)` (print "=> $2 " $emoji "$1") }}
 	{{- end }}
-{{- else }}
-	{{- $content = $content | replaceRE `(?m)\[(.+?)\]\((.+?)\)` (print "=> $2 " $emoji "$1") }}
+	{{- $cur_chunk = $cur_chunk | replaceRE `(?m)^####{1,3}` "###" }}
+	{{- $cur_chunk = $cur_chunk | replaceRE `(?s)\*{3}(.*?)\*{3}|\*{2}(.*?)\*{2}|\*{1}(.*?)\*{1}` "$1$2$3" }}
+	{{- $cur_chunk = $cur_chunk | replaceRE `(?m)^- ` "* " }}
+	{{- $cur_chunk = $cur_chunk | emojify }}
+	{{- $content = replace $content $before_chunk $cur_chunk 1 }}
 {{- end }}
-{{- $content = $content | replaceRE `(?m)^####{1,3}` "###" }}
-{{- $content = $content | replaceRE `(?s)\*{3}(.*?)\*{3}|\*{2}(.*?)\*{2}|\*{1}(.*?)\*{1}` "$1$2$3" }}
-{{- $content = $content | replaceRE `(?m)^- ` "* " }}
-{{- $content = $content | emojify }}
+
 {{- $content | safeHTML }}
+{{- $refs := $scratch.Get "refs" }}
 {{- if and (.Page.Params.makerefs | default true) $refs }}
 
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