From: Michael Tremer <michael.tremer@ipfire.org>
Date: Mon, 12 Nov 2018 23:40:36 +0000 (+0000)
Subject: wiki: Add support for [[wiki]] links
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=574794da99c412456bbf95187856a12f33399aeb;p=ipfire.org.git

wiki: Add support for [[wiki]] links

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/backend/wiki.py b/src/backend/wiki.py
index 4d1e8f82..46b27b77 100644
--- a/src/backend/wiki.py
+++ b/src/backend/wiki.py
@@ -134,6 +134,27 @@ class Page(misc.Object):
 	def _render(self, text):
 		logging.debug("Rendering %s" % self)
 
+		patterns = (
+			(r"\[\[([\w\d\/]+)(?:\|([\w\d\s]+))\]\]", r"/\1", r"\2", None, None),
+			(r"\[\[([\w\d\/\-]+)\]\]", r"/\1", r"\1", self.backend.wiki.get_page_title, r"\1"),
+		)
+
+		for pattern, link, title, repl, args in patterns:
+			replacements = []
+
+			for match in re.finditer(pattern, text):
+				l = match.expand(link)
+				t = match.expand(title)
+
+				if callable(repl):
+					t = repl(match.expand(args)) or t
+
+				replacements.append((match.span(), t or l, l))
+
+			# Apply all replacements
+			for (start, end), t, l in reversed(replacements):
+				text = text[:start] + "[%s](%s)" % (t, l) + text[end:]
+
 		# Borrow this from the blog
 		return self.backend.blog._render_text(text, lang="markdown")