1 files changed, 41 insertions, 0 deletions
diff --git a/doc/update-links.py b/doc/update-links.py
new file mode 100755
index 0000000..765d4a0
--- /dev/null
+++ b/doc/update-links.py
@@ -0,0 +1,41 @@
+#!/usr/bin/env python
+# Icinga 2 | (c) 2012 Icinga GmbH | GPLv2+
+
+import os
+import sys
+import re
+
+if len(sys.argv) < 2:
+    print "Syntax: %s <md-files>" % sys.argv[0]
+    print ""
+    print "Updates inter-chapter links in the specified Markdown files."
+    sys.exit(1)
+
+anchors = {}
+
+for file in sys.argv[1:]:
+    text = open(file).read()
+    for match in re.finditer(r"<a id=\"(?P<id>.*?)\">", text):
+        id = match.group("id")
+
+        if id in anchors:
+            print "Error: Anchor '%s' is used multiple times: in %s and %s" % (id, file, anchors[id])
+
+        anchors[match.group("id")] = file
+
+def update_anchor(match):
+    id = match.group("id")
+
+    try:
+        file = os.path.basename(anchors[id])
+    except KeyError:
+        print "Error: Unmatched anchor: %s" % (id)
+        file = ""
+
+    return "[%s](%s#%s)" % (match.group("text"), file, id)
+
+for file in sys.argv[1:]:
+    text = open(file).read()
+    print "> Processing file '%s'..." % (file)
+    new_text = re.sub(r"\[(?P<text>.*?)\]\((?P<file>[0-9-a-z\.]+)?#(?P<id>[^#\)]+)\)", update_anchor, text)
+    open(file, "w").write(new_text)