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minor tweaks to chapter marking

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This commit is contained in:
ldolse 2010-11-17 19:27:51 +08:00
parent fb124c50a7
commit b238903ba8
1 changed files with 3 additions and 3 deletions
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6
src/calibre/ebooks/conversion/utils.py
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@ -195,7 +195,7 @@ class PreProcessor(object):
numeric_chapters = r".?(\d+\.?|(CHAPTER\s*([\dA-Z\-\'\"\?\.!#,]+\s*){1,10}))\s*"
uppercase_chapters = r"\s*.?([A-Z#]+(\s|-){0,3}){1,5}\s*"
numeric_titles = r".?(\d+\.?\s+([\d\w-]+\:?\'?-?\s?){0,5})\s*"
emphasized_lines = r"<b[^>]*>\s*(<span[^>]*>)?\s*(\s*(?=[\w#\-*\s]+<)([\w#-*]+\s*){1,5}\s*)(</span>)?\s*</b>"
emphasized_lines = r"<b[^>]*>\s*(<span[^>]*>)?\s*(?!([*#•]+\s*)+)(\s*(?=[\w#\-*\s]+<)([\w#-*]+\s*){1,5}\s*)(</span>)?\s*</b>"
full_chapter_line = chapter_line_open+chapter_header_open+typical_chapters+chapter_header_close+chapter_line_close
n_lookahead = re.sub("(ou|in|cha)", "lookahead_", full_chapter_line)
@ -308,10 +308,10 @@ class PreProcessor(object):
html = re.sub(u'\xad\s*(</span>\s*(</[iubp]>\s*<[iubp][^>]*>\s*)?<span[^>]*>|</[iubp]>\s*<[iubp][^>]*>)?\s*', '', html)
# If still no sections after unwrapping mark split points on lines with no punctuation
if self.html_preprocess_sections < 10:
if self.html_preprocess_sections < 5:
self.log("Looking for more split points based on punctuation,"
" currently have " + unicode(self.html_preprocess_sections))
chapdetect3 = re.compile(r'<(?P<styles>(p|div)[^>]*)>\s*(?P<section>(<span[^>]*>)?\s*(<[ibu][^>]*>){0,2}\s*(<span[^>]*>)?\s*(<[ibu][^>]*>){0,2}\s*(<span[^>]*>)?\s*.?(?=[a-z#\-*\s]+<)([a-z#-*]+\s*){1,5}\s*\s*(</span>)?(</[ibu]>){0,2}\s*(</span>)?\s*(</[ibu]>){0,2}\s*(</span>)?\s*</(p|div)>)', re.IGNORECASE)
chapdetect3 = re.compile(r'<(?P<styles>(p|div)[^>]*)>\s*(?P<section>(<span[^>]*>)?\s*(?!([*#•]+\s*)+)(<[ibu][^>]*>){0,2}\s*(<span[^>]*>)?\s*(<[ibu][^>]*>){0,2}\s*(<span[^>]*>)?\s*.?(?=[a-z#\-*\s]+<)([a-z#-*]+\s*){1,5}\s*\s*(</span>)?(</[ibu]>){0,2}\s*(</span>)?\s*(</[ibu]>){0,2}\s*(</span>)?\s*</(p|div)>)', re.IGNORECASE)
html = chapdetect3.sub(self.chapter_break, html)
# search for places where a first or second level heading is immediately followed by another
# top level heading. demote the second heading to h3 to prevent splitting between chapter