Fixed an issue and added a test.

openlp/core/lib/__init__.py

@@ -23,12 +23,11 @@
 The :mod:`lib` module contains most of the components and libraries that make
 OpenLP work.
 """
-
+import html
 import logging
 import os
 import re
 import math
-from distutils.version import LooseVersion
 
 from PyQt5 import QtCore, QtGui, Qt, QtWidgets
 
@@ -36,6 +35,8 @@ from openlp.core.common import translate
 
 log = logging.getLogger(__name__ + '.__init__')
 
+SLIMCHARS = 'fiíIÍjlĺľrtť.,;/ ()|"\'!:\\'
+
 
 class ServiceItemContext(object):
     """
@@ -327,7 +328,6 @@ def expand_and_align_chords_in_line(match):
     :param match:
     :return: The line with expanded html-chords
     """
-    SLIMCHARS = 'fiíIÍjlĺľrtť.,;/ ()|"\'!:\\'
     whitespaces = ''
     chordlen = 0
     taillen = 0
@@ -389,7 +389,8 @@ def expand_and_align_chords_in_line(match):
                 ws_right = ws_left = ' ' * wsl_mod
                 whitespaces = ws_left + '–' + ws_right
         whitespaces = '<span class="ws">' + whitespaces + '</span>'
-    return '<span class="chord"><span><strong>' + chord + '</strong></span></span>' + tail + whitespaces + remainder
+    return '<span class="chord"><span><strong>' + html.escape(chord) + '</strong></span></span>' + html.escape(tail) + \
+           whitespaces + html.escape(remainder)
 
 
 def expand_chords(text):
@@ -417,7 +418,7 @@ def expand_chords(text):
             expanded_text_lines.append(new_line)
         else:
             chords_on_prev_line = False
-            expanded_text_lines.append(line)
+            expanded_text_lines.append(html.escape(line))
     return '{br}'.join(expanded_text_lines)
 
 
@@ -429,7 +430,6 @@ def compare_chord_lyric(chord, lyric):
     :param lyric:
     :return:
     """
-    SLIMCHARS = 'fiíIÍjlĺľrtť.,;/ ()|"\'!:\\'
     chordlen = 0
     if chord == '&nbsp;':
         return 0

openlp/core/lib/serviceitem.py

@@ -261,7 +261,7 @@ class ServiceItem(RegistryProperties):
                     previous_pages[verse_tag] = (slide['raw_slide'], pages)
                 for page in pages:
                     page = page.replace('<br>', '{br}')
-                    html_data = expand_tags(html.escape(page.rstrip()), expand_chord_tags)
+                    html_data = expand_tags(page.rstrip(), expand_chord_tags)
                     new_frame = {
                         'title': clean_tags(page),
                         'text': clean_tags(page.rstrip(), expand_chord_tags),

tests/functional/openlp_core_lib/test_lib.py

@@ -764,6 +764,23 @@ class TestLib(TestCase):
                         '&nbsp;&nbsp;</span> <span class="chord"><span><strong>G</strong></span></span></span>'
         self.assertEqual(expected_html, text_with_expanded_chords, 'The expanded chords should look as expected!')
 
+    def test_expand_chords2(self):
+        """
+        Test that the expanding of chords works as expected when special chars are involved.
+        """
+        import html
+        # GIVEN: A lyrics-line with chords
+        text_with_chords = "I[D]'M NOT MOVED BY WHAT I SEE HALLE[F]LUJA[C]H"
+
+        # WHEN: Expanding the chords
+        text_with_expanded_chords = expand_tags(text_with_chords, True)
+
+        # THEN: We should get html that looks like below
+        expected_html = '<span class="chordline firstchordline">I<span class="chord"><span><strong>D</strong></span>' \
+                        '</span>&#x27;M NOT MOVED BY WHAT I SEE HALLE<span class="chord"><span><strong>F</strong>' \
+                        '</span></span>LUJA<span class="chord"><span><strong>C</strong></span></span>H</span>'
+        self.assertEqual(expected_html, text_with_expanded_chords, 'The expanded chords should look as expected!')
+
     def test_compare_chord_lyric_short_chord(self):
         """
         Test that the chord/lyric comparing works.

tests/functional/openlp_plugins/songs/test_lib.py

@@ -206,7 +206,7 @@ class TestLib(TestCase):
         assert result[0][3] == 0, 'The start indices should be kept.'
         assert result[0][4] == 21, 'The stop indices should be kept.'
 
-    def test_remove_typos_beginning_negated(self):
+    def test_remove_typos_middle_negated(self):
         """
         Test the _remove_typos function with a large difference in the middle.
         """