From ec19602210cb16c9658a05bd96dabca92158e0ae Mon Sep 17 00:00:00 2001
From: =?utf8?q?Vladim=C3=ADr=20Vondru=C5=A1?= <mosra@centrum.cz>
Date: Fri, 15 Dec 2017 18:58:17 +0100
Subject: [PATCH] doxygen: consistent and tested quote unescaping.

---
 doxygen/dox2html5.py           | 6 +++---
 doxygen/test/doxyfile/Doxyfile | 4 ++++
 doxygen/test/test_doxyfile.py  | 2 ++
 3 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/doxygen/dox2html5.py b/doxygen/dox2html5.py
index 5832f4ab..510d0093 100755
--- a/doxygen/dox2html5.py
+++ b/doxygen/dox2html5.py
@@ -1749,8 +1749,8 @@ def parse_doxyfile(state: State, doxyfile, config = None):
     logging.info("Parsing configuration from {}".format(doxyfile))
 
     comment_re = re.compile(r"""^\s*(#.*)?$""")
-    variable_re = re.compile(r"""^\s*(?P<key>[A-Z0-9_@]+)\s*=\s*(?P<quote>"?)(?P<value>.*)(?P=quote)\s*(?P<backslash>\\?)$""")
-    variable_continuation_re = re.compile(r"""^\s*(?P<key>[A-Z_]+)\s*\+=\s*(?P<quote>"?)(?P<value>.*)(?P=quote)\s*(?P<backslash>\\?)$""")
+    variable_re = re.compile(r"""^\s*(?P<key>[A-Z0-9_@]+)\s*=\s*(?P<quote>['"]?)(?P<value>.*)(?P=quote)\s*(?P<backslash>\\?)$""")
+    variable_continuation_re = re.compile(r"""^\s*(?P<key>[A-Z_]+)\s*\+=\s*(?P<quote>['"]?)(?P<value>.*)(?P=quote)\s*(?P<backslash>\\?)$""")
     continuation_re = re.compile(r"""^\s*(?P<quote>['"]?)(?P<value>.*)(?P=quote)\s*(?P<backslash>\\?)$""")
 
     # Defaults so we don't fail with minimal Doxyfiles and also that the
@@ -1788,7 +1788,7 @@ def parse_doxyfile(state: State, doxyfile, config = None):
         else:
             backslash = False
 
-        return [i.replace('\\"', '"') for i in out], backslash
+        return [i.replace('\\"', '"').replace('\\\'', '\'') for i in out], backslash
 
     with open(doxyfile) as f:
         continued_line = None
diff --git a/doxygen/test/doxyfile/Doxyfile b/doxygen/test/doxyfile/Doxyfile
index 3f059d88..eb8f8d1e 100644
--- a/doxygen/test/doxyfile/Doxyfile
+++ b/doxygen/test/doxyfile/Doxyfile
@@ -14,3 +14,7 @@ HTML_EXTRA_FILES = \
 # Adding
 HTML_EXTRA_STYLESHEET = a.css
 HTML_EXTRA_STYLESHEET += b.css
+
+# Escaping
+M_PAGE_HEADER = 'this is "quotes" \'apostrophes\''
+M_PAGE_FINE_PRINT = "this is \"quotes\""
diff --git a/doxygen/test/test_doxyfile.py b/doxygen/test/test_doxyfile.py
index 3b3e5141..dd2a0791 100644
--- a/doxygen/test/test_doxyfile.py
+++ b/doxygen/test/test_doxyfile.py
@@ -37,6 +37,8 @@ class Doxyfile(unittest.TestCase):
             'M_CLASS_TREE_EXPAND_LEVELS': 1,
             'M_EXPAND_INNER_TYPES': False,
             'M_FILE_TREE_EXPAND_LEVELS': 1,
+            'M_PAGE_FINE_PRINT': 'this is "quotes"',
+            'M_PAGE_HEADER': 'this is "quotes" \'apostrophes\'',
             'M_SHOW_DOXYGEN_VERSION': True,
             'M_THEME_COLOR': '#22272e',
             'OUTPUT_DIRECTORY': '',
-- 
2.30.2