convert [ref]s into footnotes

main.py

@@ -45,6 +45,16 @@ def code_parser(el):
 	return lang
 
 
+def find_all_matches(pattern, string, group=0):
+	pat = re.compile(pattern)
+	pos = 0
+	out = []
+	while m := pat.search(string, pos):
+		pos = m.start() + 1
+		out.append(m[group])
+	return out
+
+
 mkdirp('output')
 
 with open(in_file, 'r', encoding='utf-8') as f:
@@ -98,6 +108,33 @@ for item in items:
 
 	content = '\n'.join(lines)
 	content = md(content, code_language_callback=code_parser).strip() + '\n'
+	ref_regex = re.compile(r'\[ref](.+?)\[/ref]')
+	refs = []
+	stuff = find_all_matches(ref_regex, content, 1)
+	if stuff:
+		for thing in stuff:
+			if not thing in refs:
+				refs = refs + [thing]
+
+		current = 0
+		while m := ref_regex.search(content, current):
+			thing = m.group(1)
+			current = m.start() + 1
+			try:
+				idx = refs.index(thing) + 1
+				content = content.replace(m.group(0), f"[^{idx}]")
+			except ValueError:
+				print(f"{thing} not found")
+				continue
+
+	if len(refs) > 0:
+		ref_output = []
+		for i in range(0, len(refs)):
+			ref = refs[i]
+			ref_output.append(f"[^{i + 1}]: {ref}")
+
+		content = content + '\n' + '\n\n'.join(ref_output) + '\n'
+
 	frontmatter = f"---\nlayout: {post_type}\nid: {post_id}\ntitle: \"{title}\"\ncreator: \"{creator}\"\ndate: {date}\ncategories:\n{categories}\ntags:\n{tags}\ndraft: {'true' if status == 'draft' else 'false'}\npublished: {'true' if status == 'publish' else 'false'}\n---\n\n"
 
 	title_slug = slugify(title)