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fixed sigil integration to strip html from chapter titles, fixed softbreak handling and enabled integration with extra_css

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This commit is contained in:
ldolse 2011-01-24 16:30:29 +08:00
parent 670fc644ed
commit 7485c9a5e2
1 changed files with 10 additions and 6 deletions
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16
src/calibre/ebooks/conversion/utils.py
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@ -25,13 +25,15 @@ class HeuristicProcessor(object):
self.chapters_with_title = 0
self.blanks_deleted = False
self.linereg = re.compile('(?<=<p).*?(?=</p>)', re.IGNORECASE|re.DOTALL)
self.blankreg = re.compile(r'\s*(?P<openline><p(?!\sid=\"softbreak\")[^>]*>)\s*(?P<closeline></p>)', re.IGNORECASE)
self.blankreg = re.compile(r'\s*(?P<openline><p(?!\sclass=\"softbreak\")[^>]*>)\s*(?P<closeline></p>)', re.IGNORECASE)
self.softbreak = re.compile(r'\s*(?P<openline><p(?=\sclass=\"softbreak\")[^>]*>)\s*(?P<closeline></p>)', re.IGNORECASE)
self.multi_blank = re.compile(r'(\s*<p[^>]*>\s*</p>){2,}', re.IGNORECASE)
def is_pdftohtml(self, src):
return '<!-- created by calibre\'s pdftohtml -->' in src[:1000]
def chapter_head(self, match):
from calibre.utils.html2text import html2text
chap = match.group('chap')
title = match.group('title')
if not title:
@ -40,10 +42,12 @@ class HeuristicProcessor(object):
" chapters. - " + unicode(chap))
return '<h2>'+chap+'</h2>\n'
else:
txt_chap = html2text(chap)
txt_title = html2text(title)
self.html_preprocess_sections = self.html_preprocess_sections + 1
self.log.debug("marked " + unicode(self.html_preprocess_sections) +
" chapters & titles. - " + unicode(chap) + ", " + unicode(title))
return '<h2 title="'+chap+', '+title+'">'+chap+'</h2>\n<h3 class="sigilNotInTOC">'+title+'</h3>\n'
return '<h2 title="'+txt_chap+', '+txt_title+'">'+chap+'</h2>\n<h3 class="sigilNotInTOC">'+title+'</h3>\n'
def chapter_break(self, match):
chap = match.group('section')
@ -469,7 +473,7 @@ class HeuristicProcessor(object):
if blanks_between_paragraphs and getattr(self.extra_opts, 'delete_blank_paragraphs', False):
self.log.debug("deleting blank lines")
self.blanks_deleted = True
html = self.multi_blank.sub('\n<p id="softbreak" style="margin-top:1.5em; margin-bottom:1.5em"> </p>', html)
html = self.multi_blank.sub('\n<p class="softbreak" style="margin-top:1.5em; margin-bottom:1.5em"> </p>', html)
html = self.blankreg.sub('', html)
# Determine line ending type
@ -524,11 +528,11 @@ class HeuristicProcessor(object):
# Center separator lines
html = re.sub(u'<(?P<outer>p|div)[^>]*>\s*(<(?P<inner1>font|span|[ibu])[^>]*>)?\s*(<(?P<inner2>font|span|[ibu])[^>]*>)?\s*(<(?P<inner3>font|span|[ibu])[^>]*>)?\s*(?P<break>([*#•=✦]+\s*)+)\s*(</(?P=inner3)>)?\s*(</(?P=inner2)>)?\s*(</(?P=inner1)>)?\s*</(?P=outer)>', '<p style="text-align:center; margin-top:1.25em; margin-bottom:1.25em">' + '\g<break>' + '</p>', html)
if not self.blanks_deleted:
html = self.multi_blank.sub('\n<p id="softbreak" style="margin-top:1.5em; margin-bottom:1.5em"> </p>', html)
html = re.sub('<p\s+id="softbreak"[^>]*>\s*</p>', '<div id="softbreak" style="margin-left: 45%; margin-right: 45%; margin-top:1.5em; margin-bottom:1.5em"><hr style="height: 3px; background:#505050" /></div>', html)
html = self.multi_blank.sub('\n<p class="softbreak" style="margin-top:1.5em; margin-bottom:1.5em"> </p>', html)
html = re.sub('<p\s+class="softbreak"[^>]*>\s*</p>', '<div id="softbreak" style="margin-left: 45%; margin-right: 45%; margin-top:1.5em; margin-bottom:1.5em"><hr style="height: 3px; background:#505050" /></div>', html)
if self.deleted_nbsps:
# put back non-breaking spaces in empty paragraphs to preserve original formatting
html = self.blankreg.sub('\n'+r'\g<openline>'+u'\u00a0'+r'\g<closeline>', html)
html = self.softbreak.sub('\n'+r'\g<openline>'+u'\u00a0'+r'\g<closeline>', html)
return html