fixed bug 885874 (Song with mis matched formatting tags abends on render); fixed one extra new lines added before and after an optional break

bzr-revno: 1965
Fixes: https://launchpad.net/bugs/885874
This commit is contained in:
Andreas Preikschat 2012-05-05 20:15:13 +02:00
commit 265b703ba9
2 changed files with 59 additions and 14 deletions

View File

@ -235,8 +235,8 @@ class Renderer(object):
# the first two slides (and neglect the last for now).
if len(slides) == 3:
html_text = expand_tags(u'\n'.join(slides[:2]))
# We check both slides to determine if the optional break is
# needed (there is only one optional break).
# We check both slides to determine if the optional split is
# needed (there is only one optional split).
else:
html_text = expand_tags(u'\n'.join(slides))
html_text = html_text.replace(u'\n', u'<br>')
@ -247,14 +247,18 @@ class Renderer(object):
else:
# The first optional slide fits, which means we have to
# render the first optional slide.
text_contains_break = u'[---]' in text
if text_contains_break:
text_contains_split = u'[---]' in text
if text_contains_split:
try:
text_to_render, text = \
text.split(u'\n[---]\n', 1)
except:
text_to_render = text.split(u'\n[---]\n')[0]
text = u''
text_to_render, raw_tags, html_tags = \
self._get_start_tags(text_to_render)
if text:
text = raw_tags + text
else:
text_to_render = text
text = u''
@ -263,7 +267,7 @@ class Renderer(object):
if len(slides) > 1 and text:
# Add all slides apart from the last one the list.
pages.extend(slides[:-1])
if text_contains_break:
if text_contains_split:
text = slides[-1] + u'\n[---]\n' + text
else:
text = slides[-1] + u'\n'+ text
@ -492,7 +496,7 @@ class Renderer(object):
(raw_text.find(tag[u'start tag']), tag[u'start tag'],
tag[u'end tag']))
html_tags.append(
(raw_text.find(tag[u'start tag']), tag[u'start html']))
(raw_text.find(tag[u'start tag']), tag[u'start html']))
# Sort the lists, so that the tags which were opened first on the first
# slide (the text we are checking) will be opened first on the next
# slide as well.

View File

@ -33,7 +33,7 @@ The basic XML for storing the lyrics in the song database looks like this::
<song version="1.0">
<lyrics>
<verse type="c" label="1" lang="en">
<![CDATA[Chorus virtual slide 1[---]Chorus virtual slide 2]]>
<![CDATA[Chorus optional split 1[---]Chorus optional split 2]]>
</verse>
</lyrics>
</song>
@ -135,7 +135,7 @@ class SongXML(object):
The returned list has the following format::
[[{'type': 'v', 'label': '1'},
u"virtual slide 1[---]virtual slide 2"],
u"optional slide split 1[---]optional slide split 2"],
[{'lang': 'en', 'type': 'c', 'label': '1'}, u"English chorus"]]
"""
self.song_xml = None
@ -334,18 +334,59 @@ class OpenLyrics(object):
self._add_text_to_element(u'verse', lyrics, None, verse_def)
if u'lang' in verse[0]:
verse_element.set(u'lang', verse[0][u'lang'])
# Create a list with all "virtual" verses.
virtual_verses = cgi.escape(verse[1])
virtual_verses = virtual_verses.split(u'[---]')
for index, virtual_verse in enumerate(virtual_verses):
# Create a list with all "optional" verses.
optional_verses = cgi.escape(verse[1])
optional_verses = optional_verses.split(u'\n[---]\n')
start_tags = u''
end_tags = u''
for index, optional_verse in enumerate(optional_verses):
# Fix up missing end and start tags such as {r} or {/r}.
optional_verse = start_tags + optional_verse
start_tags, end_tags = self._get_missing_tags(optional_verse)
optional_verse += end_tags
# Add formatting tags to text
lines_element = self._add_text_with_tags_to_lines(verse_element,
virtual_verse, tags_element)
optional_verse, tags_element)
# Do not add the break attribute to the last lines element.
if index < len(virtual_verses) - 1:
if index < len(optional_verses) - 1:
lines_element.set(u'break', u'optional')
return self._extract_xml(song_xml)
def _get_missing_tags(self, text):
"""
Tests the given text for not closed formatting tags and returns a tuple
consisting of two unicode strings::
(u'{st}{r}', u'{/r}{/st}')
The first unicode string are the start tags (for the next slide). The
second unicode string are the end tags.
``text``
The text to test. The text must **not** contain html tags, only
OpenLP formatting tags are allowed::
{st}{r}Text text text
"""
tags = []
for tag in FormattingTags.get_html_tags():
if tag[u'start tag'] == u'{br}':
continue
if text.count(tag[u'start tag']) != text.count(tag[u'end tag']):
tags.append((text.find(tag[u'start tag']),
tag[u'start tag'], tag[u'end tag']))
# Sort the lists, so that the tags which were opened first on the first
# slide (the text we are checking) will be opened first on the next
# slide as well.
tags.sort(key=lambda tag: tag[0])
end_tags = []
start_tags = []
for tag in tags:
start_tags.append(tag[1])
end_tags.append(tag[2])
end_tags.reverse()
return u''.join(start_tags), u''.join(end_tags)
def xml_to_song(self, xml, parse_and_temporary_save=False):
"""
Create and save a song from OpenLyrics format xml to the database. Since