[PATCH 7 of 8] docchecker: introduce a way to check for poor markup

Yuya Nishihara yuya at tcha.org
Tue Jan 12 16:34:05 CST 2016


# HG changeset patch
# User timeless <timeless at mozdev.org>
# Date 1452109634 0
#      Wed Jan 06 19:47:14 2016 +0000
# Node ID ed86fb2a41879a8158539dfb500ad9682f802649
# Parent  58f8b29c37ff0724b8e6aa0fa61dd812283c117e
docchecker: introduce a way to check for poor markup

Specifically, :hg:`foo 'bar baz'` when rendered by `hg help`
results in:

  'hg foo 'bar baz''

... which is hard to read.

We encourage :hg:`foo "bar baz"` instead.

diff --git a/doc/docchecker b/doc/docchecker
new file mode 100755
--- /dev/null
+++ b/doc/docchecker
@@ -0,0 +1,50 @@
+#!/usr/bin/env python
+#
+# docchecker - look for problematic markup
+#
+# Copyright 2016 timeless <timeless at mozdev.org> and others
+#
+# This software may be used and distributed according to the terms of the
+# GNU General Public License version 2 or any later version.
+import sys
+import re
+
+leadingline = re.compile(r'(^\s*)(\S.*)$')
+hg_backtick = re.compile(r""":hg:`[^`]*'[^`]*`""")
+
+def check(line):
+  if hg_backtick.search(line):
+    print(line)
+    print("""warning: please avoid nesting ' in :hg:`...`""")
+
+def work(file):
+  (llead, lline) = ('', '')
+
+  for line in file:
+    # this section unwraps lines
+    match = leadingline.match(line)
+    if not match:
+      check(lline)
+      (llead, lline) = ('', '')
+      continue
+
+    lead, line = match.group(1), match.group(2)
+    if (lead == llead):
+      if (lline != ''):
+        lline += ' ' + line
+      else:
+        lline = line
+    else:
+      check(lline)
+      (llead, lline) = (lead, line)
+  check(lline)
+
+def main():
+  for f in sys.argv[1:]:
+    try:
+      with open(f) as file:
+        work(file)
+    except:
+      print("failed to process %s" % f)
+
+main()


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