From 43164aa75f8180afdeacf47bc0166ff26195991f Mon Sep 17 00:00:00 2001
From: Syndamia <kamen@syndamia.com>
Date: Wed, 1 Jan 2025 20:51:24 +0200
Subject: feat(parser): Implement definition lists

---
 md-parser.awk | 44 +++++++++++++++++++++++++++++++++++++++++---
 1 file changed, 41 insertions(+), 3 deletions(-)

(limited to 'md-parser.awk')

diff --git a/md-parser.awk b/md-parser.awk
index b25c8b2..c063b4e 100644
--- a/md-parser.awk
+++ b/md-parser.awk
@@ -12,9 +12,9 @@
 #     [x] Subscript ~...~
 #     [ ] Footnote [^...] (with user customizations)
 #     [x] Task list - [ ] (readonly)
-#     [ ] Definition lists
-#         [ ] Single line
-#         [ ] Multi-line
+#     [x] Definition lists
+#         [x] Single line
+#         [x] Multi-line
 #     [x] Fenced code blocks ```lang ```
 #     [ ] Tables
 #     [x] Links
@@ -282,6 +282,40 @@ list_started && /^\[[x ]\][ \t]/ {
 	_next()
 }
 
+# Definition lists
+inside_definition_list == 2 && !emptyP1 && ! /^: / {
+	inside_definition_list = 0
+	P2 = P2 "</dl>"
+}
+inside_definition_list == 1 {
+	## If empty, get ready to close dl
+	if ($0 !~ /[^ \t]/) {
+		++inside_definition_list
+	}
+
+	## If nonempty, we're continuing the dd
+	if (!empty0) {
+		not_paragraph = 1
+	}
+	else {
+		PNappnd("</dd>")
+	}
+}
+/^: / && !emptyP1 {
+	sub(/^<p>/, "", P1)
+	$0 = substr($0, 3)
+
+	P1 = "<dt>" P1 "</dt>"
+	if (!inside_definition_list) {
+		P1 = "<dl>" P1
+	}
+	$0 = "<dd>" $0
+
+	inside_definition_list = 1
+	not_paragraph = 1
+	not_paragraph_p1 = 1
+}
+
 # Automatic links
 /<[^ \t<>]+>/ {
 	## URL: <uri_scheme:...>
@@ -480,6 +514,10 @@ function __buffered_print() {
 }
 
 END {
+	if (inside_definition_list) {
+		PNappnd("</dl>")
+	}
+
 	print P2
 	while (P1_repeats > 0) {
 		print ""
-- 
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